private void Setup()
{
// Load the layer
try
{
mapControl1.Map.Load(new MapTableLoader("mexico.tab"));
FeatureLayer layer = mapControl1.Map.Layers["mexico"] as FeatureLayer;
LabelLayer labelLayer = new LabelLayer("Label Layer", "Label Layer");
labelLayer.Sources.Append(new LabelSource(layer.Table));
mapControl1.Map.Layers.Add(labelLayer);
}
catch(Exception)
{
mnuCloseTable.Enabled = false;
mnuCloseAll.Enabled = false;
mnuTheme.Enabled = false;
}
}
private static Map InitializeMapOsm(float angle)
{
//Transparent style
VectorStyle transparentStyle = new VectorStyle();
transparentStyle.Fill = Brushes.Transparent;
transparentStyle.EnableOutline = true; //otherwise all the fancy theming stuff won't work!
transparentStyle.Line.Brush = Brushes.Transparent;
transparentStyle.Outline.Brush = Brushes.Transparent;
transparentStyle.Symbol = null;
VectorStyle transparentStyle2 = new VectorStyle();
transparentStyle2.Fill = Brushes.Transparent;
transparentStyle2.EnableOutline = true; //otherwise all the fancy theming stuff won't work!
transparentStyle2.Line.Brush = Brushes.Transparent;
transparentStyle2.Outline.Brush = Brushes.Transparent;
transparentStyle2.Symbol = null;
//Initialize a new map
Map map = new Map();
map.BackColor = Color.Cornsilk;
var encoding = System.Text.Encoding.UTF8;
//Set up the countries layer
VectorLayer layNatural = new VectorLayer("Natural");
//Set the datasource to a shapefile in the App_data folder
layNatural.DataSource = new ShapeFile(string.Format("{0}/natural.shp", PathOsm), true)
{
Encoding = encoding
};
//Set default style to draw nothing
layNatural.Style = transparentStyle;
//Set theme
ThemeViaDelegate theme = new ThemeViaDelegate(layNatural.Style, "type");
theme.GetStyleFunction = delegate(FeatureDataRow row)
{
string caseVal = (String)row["type"];
caseVal = caseVal.ToLowerInvariant();
VectorStyle returnStyle = new VectorStyle();
switch (caseVal)
{
case "forest":
returnStyle.Fill = Brushes.ForestGreen;
returnStyle.EnableOutline = true;
returnStyle.Outline.Brush = Brushes.DarkGreen;
break;
case "water":
returnStyle.Fill = Brushes.Aqua;
returnStyle.EnableOutline = true;
returnStyle.Outline.Brush = Brushes.DarkBlue;
break;
case "riverbank":
returnStyle.Fill = Brushes.Peru;
returnStyle.EnableOutline = true;
returnStyle.Outline.Brush = Brushes.OrangeRed;
break;
case "park":
returnStyle.Fill = Brushes.PaleGreen;
returnStyle.EnableOutline = true;
returnStyle.Outline.Brush = Brushes.DarkGreen;
break;
default:
returnStyle = null;
break;
}
return(returnStyle);
};
layNatural.Theme = theme;
layNatural.SRID = 31466;
VectorLayer layRoads = new VectorLayer("Roads");
layRoads.DataSource = new ShapeFile(string.Format("{0}/roads.shp", PathOsm))
{
Encoding = encoding
};
layRoads.DataSource.Open();
_roadsExtents = layRoads.DataSource.GetExtents();
//layRoads.DataSource.Close();
layRoads.Style = transparentStyle;
ThemeViaDelegate themeRoads = new ThemeViaDelegate(transparentStyle, "type");
themeRoads.GetStyleFunction = delegate(FeatureDataRow row)
{
VectorStyle returnStyle = new VectorStyle();
switch ((String)row["type"])
{
case "rail":
returnStyle.Fill = Brushes.White;
returnStyle.Line.DashPattern = new float[] { 4f, 4f }; //;System.Drawing.Drawing2D.DashStyle.Dash;
returnStyle.Line.Width = 4;
returnStyle.EnableOutline = true;
returnStyle.Outline.Brush = Brushes.Black;
returnStyle.Outline.Width = 6;
break;
case "canal":
returnStyle.Fill = Brushes.Aqua;
returnStyle.Outline.Brush = Brushes.DarkBlue;
returnStyle.Outline.Width = 5;
break;
case "cycleway":
case "footway":
case "pedestrian":
returnStyle.Line.Brush = Brushes.DarkGray;
returnStyle.Line.DashStyle =
DashStyle.Dot;
returnStyle.Line.Width = 1;
returnStyle.MaxVisible = _roadsExtents.Width * 0.05d;
break;
case "living_street":
case "residential":
returnStyle.Line.Brush = Brushes.LightGoldenrodYellow;
returnStyle.Line.Width = 2;
returnStyle.EnableOutline = true;
returnStyle.Outline.Brush = Brushes.DarkGray;
returnStyle.Outline.Width = 4;
returnStyle.MaxVisible = _roadsExtents.Width * 0.15d;
break;
case "primary":
returnStyle.Line.Brush = Brushes.LightGoldenrodYellow;
returnStyle.Line.Width = 7;
returnStyle.EnableOutline = true;
returnStyle.Outline.Brush = Brushes.Black;
returnStyle.Outline.Width = 11;
break;
case "secondary":
returnStyle.Line.Brush = Brushes.LightGoldenrodYellow;
returnStyle.Line.Width = 6;
returnStyle.EnableOutline = true;
returnStyle.Outline.Brush = Brushes.Black;
returnStyle.MaxVisible = _roadsExtents.Width * 0.3d;
returnStyle.Outline.Width = 10;
break;
case "tertiary":
returnStyle.Line.Brush = Brushes.LightGoldenrodYellow;
returnStyle.Line.Width = 5;
returnStyle.EnableOutline = true;
returnStyle.Outline.Brush = Brushes.Black;
returnStyle.MaxVisible = _roadsExtents.Width * 0.6d;
returnStyle.Outline.Width = 9;
break;
case "path":
case "track":
case "unclassified":
returnStyle.Line.Brush = Brushes.DarkGray;
returnStyle.Line.DashStyle =
DashStyle.DashDotDot;
returnStyle.Line.Width = 1;
returnStyle.MaxVisible = _roadsExtents.Width * 0.025d;
break;
default:
returnStyle = null;
break;
}
return(returnStyle);
};
layRoads.Theme = themeRoads;
layRoads.SRID = 31466;
VectorLayer layRail = new VectorLayer("Railways");
layRail.DataSource = new ShapeFile(string.Format("{0}/railways.shp", PathOsm))
{
Encoding = encoding
};
layRail.Style.Line.Brush = Brushes.White;
layRail.Style.Line.DashPattern = new float[] { 4f, 4f };//;System.Drawing.Drawing2D.DashStyle.Dash;
layRail.Style.Line.Width = 4;
layRail.Style.EnableOutline = true;
layRail.Style.Outline.Brush = Brushes.Black;
layRail.Style.Outline.Width = 6;
VectorLayer layWaterways = new VectorLayer("Waterways");
layWaterways.Style = transparentStyle;
layWaterways.DataSource = new ShapeFile(string.Format("{0}/waterways.shp", PathOsm))
{
Encoding = encoding
};
layRoads.Style = transparentStyle;
ThemeViaDelegate themeWater = new ThemeViaDelegate(transparentStyle, "type");
themeWater.GetStyleFunction = delegate(FeatureDataRow row)
{
VectorStyle returnStyle = new VectorStyle();
returnStyle.Line.Brush = Brushes.Aqua;
returnStyle.EnableOutline = true;
Int32 lineWidth = 1;
switch ((String)row["type"])
{
case "canal":
case "derelict_canal":
lineWidth = 2;
break;
case "drain":
returnStyle.EnableOutline = false;
break;
case "stream":
lineWidth = 2;
break;
default:
//returnStyle = null;
break;
}
returnStyle.Line.Width = lineWidth;
returnStyle.Outline.Brush = Brushes.DarkBlue;
returnStyle.Outline.Width = lineWidth + 1;
return(returnStyle);
};
layWaterways.Theme = themeWater;
layWaterways.SRID = 31466;
VectorLayer layPoints = new VectorLayer("Points");
layPoints.DataSource = new ShapeFile(string.Format("{0}/points.shp", PathOsm))
{
Encoding = encoding
};
layPoints.Style = transparentStyle2;
ThemeViaDelegate themePoints = new ThemeViaDelegate(transparentStyle2, "type");
themePoints.GetStyleFunction = delegate(FeatureDataRow row)
{
VectorStyle returnStyle = new VectorStyle();
switch ((String)row["type"])
{
case "bank":
returnStyle.Symbol = new Bitmap("Images/Bank.gif");
break;
case "hospital":
returnStyle.Symbol = new Bitmap("Images/Medical-Facility.gif");
break;
case "hotel":
returnStyle.Symbol = new Bitmap("Images/Hotel.gif");
break;
case "restaurant":
case "fast-food":
returnStyle.Symbol = new Bitmap("Images/Restaurant.gif");
break;
case "parking":
returnStyle.Symbol = new Bitmap("Images/Car.gif");
break;
default:
Bitmap tmp = new Bitmap(1, 1);
tmp.SetPixel(0, 0, Color.Transparent);
returnStyle.Symbol = tmp;
break;
}
return(returnStyle);
};
layPoints.Theme = themePoints;
layWaterways.SRID = 31466;
var layLabel = new LabelLayer("Road Labels");
layLabel.DataSource = layRoads.DataSource;
layLabel.LabelColumn = "Name";
//Add layers to Map
map.Layers.Add(layNatural);
map.Layers.Add(layWaterways);
map.Layers.Add(layRail);
map.Layers.Add(layRoads);
map.Layers.Add(layPoints);
map.Layers.Add(layLabel);
ShapeProvider sp = new ShapeProvider(string.Format("{0}/obepath.shp", PathOsm))
{
Encoding = encoding
};
VectorLayer vl = new VectorLayer("obepath", sp);
vl.SRID = 31466;
var bmp = new Bitmap("Images/Car.gif");
bmp.MakeTransparent(bmp.GetPixel(0, 0));
vl.Style.Symbol = bmp;
VariableLayerCollection.Interval = 500;
map.VariableLayers.Add(vl);
//Restrict zoom
map.MaximumZoom = layRoads.Envelope.Width * 0.75d;
map.Zoom = layRoads.Envelope.Width * 0.2d;;
map.Center = layRoads.Envelope.Centre;
var disclaimer = new Disclaimer
{
Font = new Font(FontFamily.GenericSansSerif, 7f, FontStyle.Italic),
Text = "Geodata from OpenStreetMap (CC-by-SA)\nTransformed to Shapefile by geofabrik.de",
Anchor = MapDecorationAnchor.CenterBottom
};
map.Decorations.Add(disclaimer);
transparentStyle2.MaxVisible = map.MaximumZoom * 0.3;
Matrix mat = new Matrix();
mat.RotateAt(angle, map.WorldToImage(map.Center));
map.MapTransform = mat;
return(map);
}
private static Map InitializeMapOrig(float angle)
{
//Initialize a new map of size 'imagesize'
Map map = new Map();
//Set up the countries layer
VectorLayer layCountries = new VectorLayer("Countries");
//Set the datasource to a shapefile in the App_data folder
layCountries.DataSource = new ShapeFile("GeoData/World/countries.shp", true);
//Set fill-style to green
layCountries.Style.Fill = new SolidBrush(Color.FromArgb(64, Color.Green));
//Set the polygons to have a black outline
layCountries.Style.Outline = Pens.Black;
layCountries.Style.EnableOutline = true;
layCountries.SRID = 4326;
//Set up a river layer
VectorLayer layRivers = new VectorLayer("Rivers");
//Set the datasource to a shapefile in the App_data folder
layRivers.DataSource = new ShapeFile("GeoData/World/rivers.shp", true);
//Define a blue 1px wide pen
layRivers.Style.Line = new Pen(Color.Blue, 1);
layRivers.SRID = 4326;
//Set up a cities layer
VectorLayer layCities = new VectorLayer("Cities");
//Set the datasource to a shapefile in the App_data folder
layCities.DataSource = new ShapeFile("GeoData/World/cities.shp", true);
layCities.Style.SymbolScale = 0.8f;
layCities.MaxVisible = 40;
layCities.SRID = 4326;
//Set up a country label layer
LabelLayer layLabel = new LabelLayer("Country labels");
layLabel.DataSource = layCountries.DataSource;
layLabel.Enabled = true;
layLabel.LabelColumn = "Name";
layLabel.Style = new LabelStyle();
layLabel.Style.ForeColor = Color.White;
layLabel.Style.Font = new Font(FontFamily.GenericSerif, 12);
layLabel.Style.BackColor = new SolidBrush(Color.FromArgb(128, 255, 0, 0));
layLabel.MaxVisible = 90;
layLabel.MinVisible = 30;
layLabel.Style.HorizontalAlignment = LabelStyle.HorizontalAlignmentEnum.Center;
layLabel.SRID = 4326;
layLabel.MultipartGeometryBehaviour = LabelLayer.MultipartGeometryBehaviourEnum.Largest;
layLabel.LabelFilter = LabelCollisionDetection.ThoroughCollisionDetection;
layLabel.Style.CollisionDetection = true;
layLabel.LabelPositionDelegate = fdr => fdr.Geometry.InteriorPoint.Coordinate;
layLabel.PriorityColumn = "POPDENS";
//Set up a city label layer
LabelLayer layCityLabel = new LabelLayer("City labels");
layCityLabel.DataSource = layCities.DataSource;
layCityLabel.Enabled = true;
layCityLabel.LabelColumn = "Name";
layCityLabel.Style = new LabelStyle();
layCityLabel.Style.ForeColor = Color.Black;
layCityLabel.Style.Font = new Font(FontFamily.GenericSerif, 11);
layCityLabel.MaxVisible = layLabel.MinVisible;
layCityLabel.Style.HorizontalAlignment = LabelStyle.HorizontalAlignmentEnum.Left;
layCityLabel.Style.VerticalAlignment = LabelStyle.VerticalAlignmentEnum.Bottom;
layCityLabel.Style.Offset = new PointF(3, 3);
layCityLabel.Style.Halo = new Pen(Color.Yellow, 2);
layCityLabel.TextRenderingHint = TextRenderingHint.AntiAlias;
layCityLabel.SmoothingMode = SmoothingMode.AntiAlias;
layCityLabel.SRID = 4326;
layCityLabel.LabelFilter = LabelCollisionDetection.ThoroughCollisionDetection;
layCityLabel.Style.CollisionDetection = true;
layCityLabel.PriorityColumn = "POPULATION";
layCityLabel.Theme = new GradientTheme(layCityLabel.PriorityColumn, 250000, 5000000,
new LabelStyle
{
MaxVisible = 10,
CollisionBuffer = new Size(0, 0), CollisionDetection = true, Enabled = true,
ForeColor = Color.LightSlateGray, Halo = new Pen(Color.Silver, 1),
HorizontalAlignment = LabelStyle.HorizontalAlignmentEnum.Center,
VerticalAlignment = LabelStyle.VerticalAlignmentEnum.Middle,
Font = new Font(GenericFontFamilies.SansSerif.ToString(), 8f, FontStyle.Regular)
},
new LabelStyle
{
MaxVisible = layLabel.MinVisible,
CollisionBuffer = new Size(3, 3), CollisionDetection = true, Enabled = true,
ForeColor = Color.LightSlateGray, Halo = new Pen(Color.Silver, 5),
HorizontalAlignment = LabelStyle.HorizontalAlignmentEnum.Center,
VerticalAlignment = LabelStyle.VerticalAlignmentEnum.Middle,
Font = new Font(GenericFontFamilies.SansSerif.ToString(), 16f, FontStyle.Bold)
});
bool ignoreLength = false;
var layRiverLabel = new LabelLayer("River labels")
{
DataSource = layRivers.DataSource,
Enabled = true,
LabelColumn = "Name",
TextRenderingHint = TextRenderingHint.AntiAlias,
SmoothingMode = SmoothingMode.AntiAlias,
SRID = 4326,
LabelFilter = LabelCollisionDetection.ThoroughCollisionDetection,
MultipartGeometryBehaviour = LabelLayer.MultipartGeometryBehaviourEnum.CommonCenter,
Style =
new LabelStyle
{
ForeColor = Color.DarkBlue,
Font = new Font(FontFamily.GenericSansSerif, 11),
HorizontalAlignment = LabelStyle.HorizontalAlignmentEnum.Center,
VerticalAlignment = LabelStyle.VerticalAlignmentEnum.Middle,
//CollisionDetection = true,
Halo = new Pen(Color.Azure, 2),
IgnoreLength = ignoreLength,
Offset = new PointF(0, -10)
},
};
//Add the layers to the map object.
//The order we add them in are the order they are drawn, so we add the rivers last to put them on top
//map.BackgroundLayer.Add(AsyncLayerProxyLayer.Create(layCountries));
map.Layers.Add(layCountries);
map.Layers.Add(layRivers);
map.Layers.Add(layCities);
map.Layers.Add(layLabel);
map.Layers.Add(layCityLabel);
map.Layers.Add(layRiverLabel);
//limit the zoom to 360 degrees width
map.MaximumZoom = 360;
map.BackColor = Color.LightBlue;
map.Zoom = 360;
map.Center = new Point(0, 0);
Matrix mat = new Matrix();
mat.RotateAt(angle, map.WorldToImage(map.Center));
map.MapTransform = mat;
return(map);
}
public static void Render(Graphics graphics, IViewport viewport, LabelLayer labelLayer)
{
var layerStyles = BaseLayer.GetLayerStyles(labelLayer);
foreach (var layerStyle in layerStyles)
{
if (layerStyle.Enabled && labelLayer.MaxVisible >= viewport.Resolution && labelLayer.MinVisible < viewport.Resolution)
{
if (labelLayer.DataSource == null)
{
throw (new ApplicationException("DataSource property not set"));
}
graphics.SmoothingMode = SmoothingMode.AntiAlias;
var features = labelLayer.GetFeaturesInView(viewport.Extent, viewport.Resolution);
//Initialize label collection
var labels = new List <Label>();
var style = layerStyle as LabelStyle;
//List<System.Drawing.Rectangle> LabelBoxes; //Used for collision detection
//Render labels
foreach (IFeature feature in features)
{
if (layerStyle is IThemeStyle)
{
style = (layerStyle as IThemeStyle).GetStyle(feature) as LabelStyle;
}
float rotation = 0;
if (!String.IsNullOrEmpty(labelLayer.RotationColumn))
{
rotation = float.Parse(feature[labelLayer.RotationColumn].ToString(), NumberStyles.Any, CultureInfo.InvariantCulture);
}
int priority = labelLayer.Priority;
if (labelLayer.PriorityDelegate != null)
{
priority = labelLayer.PriorityDelegate(feature);
}
else if (!String.IsNullOrEmpty(labelLayer.PriorityColumn))
{
priority = int.Parse(feature[labelLayer.PriorityColumn].ToString(), NumberStyles.Any, CultureInfo.InvariantCulture);
}
string text;
if (labelLayer.LabelStringDelegate != null)
{
text = labelLayer.LabelStringDelegate(feature);
}
else
{
text = feature[labelLayer.LabelColumn].ToString();
}
if (!string.IsNullOrEmpty(text))
{
if (feature.Geometry is GeometryCollection)
{
var geometryCollection = feature.Geometry as GeometryCollection;
if (labelLayer.MultipartGeometryBehaviour == LabelLayer.MultipartGeometryBehaviourEnum.All)
{
foreach (var geometry in geometryCollection)
{
var label = CreateLabel(geometry, text, rotation, priority, style, viewport, graphics);
if (label != null)
{
labels.Add(label);
}
}
}
else if (labelLayer.MultipartGeometryBehaviour == LabelLayer.MultipartGeometryBehaviourEnum.CommonCenter)
{
var label = CreateLabel(feature.Geometry, text, rotation, priority, style, viewport, graphics);
if (label != null)
{
labels.Add(label);
}
}
else if (labelLayer.MultipartGeometryBehaviour == LabelLayer.MultipartGeometryBehaviourEnum.First)
{
if ((feature.Geometry as GeometryCollection).Collection.Count > 0)
{
Label label = CreateLabel(geometryCollection.Collection[0], text, rotation, 0,
style, viewport, graphics);
if (label != null)
{
labels.Add(label);
}
}
}
else if (labelLayer.MultipartGeometryBehaviour == LabelLayer.MultipartGeometryBehaviourEnum.Largest)
{
var coll = (feature.Geometry as GeometryCollection);
if (coll.NumGeometries > 0)
{
double largestVal = 0;
int idxOfLargest = 0;
for (var j = 0; j < coll.NumGeometries; j++)
{
Geometry geom = coll.Geometry(j);
if (geom is LineString && ((LineString)geom).Length > largestVal)
{
largestVal = ((LineString)geom).Length;
idxOfLargest = j;
}
if (geom is MultiLineString && ((MultiLineString)geom).Length > largestVal)
{
largestVal = ((MultiLineString)geom).Length;
idxOfLargest = j;
}
if (geom is Polygon && ((Polygon)geom).Area > largestVal)
{
largestVal = ((Polygon)geom).Area;
idxOfLargest = j;
}
if (geom is MultiPolygon && ((MultiPolygon)geom).Area > largestVal)
{
largestVal = ((MultiPolygon)geom).Area;
idxOfLargest = j;
}
}
var label = CreateLabel(coll.Geometry(idxOfLargest), text, rotation, priority, style,
viewport, graphics);
if (label != null)
{
labels.Add(label);
}
}
}
}
else
{
var label = CreateLabel(feature.Geometry, text, rotation, priority, style, viewport, graphics);
if (label != null)
{
labels.Add(label);
}
}
}
}
if (labels.Count > 0) //We have labels to render...
{
if ((layerStyle is LabelStyle) && (layerStyle as LabelStyle).CollisionDetection && labelLayer.LabelFilter != null)
{
labelLayer.LabelFilter(labels);
}
foreach (Label label in labels)
{
if (!label.Show)
{
continue;
}
LabelRenderer.DrawLabel(graphics, label.LabelPoint, label.Style.Offset, label.Style.Font,
label.Style.ForeColor, label.Style.BackColor, label.Halo, label.Rotation, label.Text, viewport);
}
}
}
}
}
private static Map InitializeMapOrig(float angle)
{
//Initialize a new map of size 'imagesize'
Map map = new Map();
//Set up the countries layer
VectorLayer layCountries = new VectorLayer("Countries");
//Set the datasource to a shapefile in the App_data folder
layCountries.DataSource = new ShapeFile("GeoData/World/countries.shp", true);
//Set fill-style to green
layCountries.Style.Fill = new SolidBrush(Color.Green);
//Set the polygons to have a black outline
layCountries.Style.Outline = Pens.Black;
layCountries.Style.EnableOutline = true;
layCountries.SRID = 4326;
//Set up a river layer
VectorLayer layRivers = new VectorLayer("Rivers");
//Set the datasource to a shapefile in the App_data folder
layRivers.DataSource = new ShapeFile("GeoData/World/rivers.shp", true);
//Define a blue 1px wide pen
layRivers.Style.Line = new Pen(Color.Blue, 1);
layRivers.SRID = 4326;
//Set up a cities layer
VectorLayer layCities = new VectorLayer("Cities");
//Set the datasource to a shapefile in the App_data folder
layCities.DataSource = new ShapeFile("GeoData/World/cities.shp", true);
layCities.Style.SymbolScale = 0.8f;
layCities.MaxVisible = 40;
layCities.SRID = 4326;
//Set up a country label layer
LabelLayer layLabel = new LabelLayer("Country labels");
layLabel.DataSource = layCountries.DataSource;
layLabel.Enabled = true;
layLabel.LabelColumn = "Name";
layLabel.Style = new LabelStyle();
layLabel.Style.ForeColor = Color.White;
layLabel.Style.Font = new Font(FontFamily.GenericSerif, 12);
layLabel.Style.BackColor = new SolidBrush(Color.FromArgb(128, 255, 0, 0));
layLabel.MaxVisible = 90;
layLabel.MinVisible = 30;
layLabel.Style.HorizontalAlignment = LabelStyle.HorizontalAlignmentEnum.Center;
layLabel.SRID = 4326;
layLabel.MultipartGeometryBehaviour = LabelLayer.MultipartGeometryBehaviourEnum.Largest;
//Set up a city label layer
LabelLayer layCityLabel = new LabelLayer("City labels");
layCityLabel.DataSource = layCities.DataSource;
layCityLabel.Enabled = true;
layCityLabel.LabelColumn = "Name";
layCityLabel.Style = new LabelStyle();
layCityLabel.Style.ForeColor = Color.Black;
layCityLabel.Style.Font = new Font(FontFamily.GenericSerif, 11);
layCityLabel.MaxVisible = layLabel.MinVisible;
layCityLabel.Style.HorizontalAlignment = LabelStyle.HorizontalAlignmentEnum.Left;
layCityLabel.Style.VerticalAlignment = LabelStyle.VerticalAlignmentEnum.Bottom;
layCityLabel.Style.Offset = new PointF(3, 3);
layCityLabel.Style.Halo = new Pen(Color.Yellow, 2);
layCityLabel.TextRenderingHint = TextRendering.AntiAlias;
layCityLabel.SmoothingMode = Smoothing.AntiAlias;
layCityLabel.SRID = 4326;
layCityLabel.LabelFilter = LabelCollisionDetection.ThoroughCollisionDetection;
layCityLabel.Style.CollisionDetection = true;
//Add the layers to the map object.
//The order we add them in are the order they are drawn, so we add the rivers last to put them on top
map.Layers.Add(layCountries);
map.Layers.Add(layRivers);
map.Layers.Add(layCities);
map.Layers.Add(layLabel);
map.Layers.Add(layCityLabel);
//limit the zoom to 360 degrees width
map.MaximumZoom = 360;
map.BackColor = Color.LightBlue;
map.Zoom = 360;
map.Center = new Point(0, 0);
Matrix mat = new Matrix();
mat.RotateAt(angle, map.WorldToImage(map.Center));
map.MapTransform = mat;
return(map);
}
public static Map InitializeMap(float angle)
{
//Initialize a new map of size 'imagesize'
Map map = new Map();
//Set up the countries layer
VectorLayer layCountries = new VectorLayer("OracleSample");
//Set the datasource to a shapefile in the App_data folder
layCountries.DataSource = new SharpMap.Data.Providers.OracleProvider("system", "metsys", "127.0.0.1",
"COUNTRIES", "GEOM", "ID");
//System.Diagnostics.Debug.WriteLine(layCountries.DataSource.GetGeometryByOid(101).ToString());
//Set fill-style to green
layCountries.Style.Fill = new SolidBrush(Color.Green);
//Set the polygons to have a black outline
layCountries.Style.Outline = Pens.Black;
layCountries.Style.EnableOutline = true;
//Set up a river layer
VectorLayer layRivers = new SharpMap.Layers.VectorLayer("Rivers");
//Set the datasource to a shapefile in the App_data folder
layRivers.DataSource = new SharpMap.Data.Providers.OracleProvider("system", "metsys", "127.0.0.1", "RIVERS", "GEOM", "ID");
//Define a blue 1px wide pen
layRivers.Style.Line = new Pen(Color.Blue, 1);
//Set up a river layer
VectorLayer layCities = new VectorLayer("Cities");
//Set the datasource to a shapefile in the App_data folder
layCities.DataSource = new SharpMap.Data.Providers.OracleProvider("system", "metsys", "127.0.0.1", "CITIES", "GEOM", "ID");
layCities.Style.SymbolScale = 0.8f;
layCities.MaxVisible = 40;
//Set up a country label layer
LabelLayer layLabel = new LabelLayer("Country labels")
{
DataSource = layCountries.DataSource,
Enabled = true,
LabelColumn = "NAME",
MaxVisible = 90,
MinVisible = 30,
MultipartGeometryBehaviour = LabelLayer.MultipartGeometryBehaviourEnum.Largest,
LabelFilter = SharpMap.Rendering.LabelCollisionDetection.ThoroughCollisionDetection,
PriorityColumn = "POPDENS",
Style = new LabelStyle()
{
ForeColor = Color.White,
Font = new Font(FontFamily.GenericSerif, 12),
BackColor = new SolidBrush(Color.FromArgb(128, 255, 0, 0)),
HorizontalAlignment = LabelStyle.HorizontalAlignmentEnum.Center,
CollisionDetection = true
}
};
////Set up a city label layer
LabelLayer layCityLabel = new LabelLayer("City labels")
{
DataSource = layCities.DataSource,
Enabled = true,
LabelColumn = "NAME",
PriorityColumn = "POPULATION",
PriorityDelegate = delegate(GeoAPI.Features.IFeature fdr)
{
Int32 retVal = 10000000 * ((String)fdr.Attributes["capital"] == "Y" ? 1 : 0);
return(retVal + Convert.ToInt32(fdr.Attributes["population"]));
},
TextRenderingHint = TextRendering.AntiAlias,
SmoothingMode = Smoothing.AntiAlias,
LabelFilter = SharpMap.Rendering.LabelCollisionDetection.ThoroughCollisionDetection,
Style = new LabelStyle()
{
ForeColor = Color.Black,
Font = new Font(FontFamily.GenericSerif, 11),
MaxVisible = layLabel.MinVisible,
HorizontalAlignment = LabelStyle.HorizontalAlignmentEnum.Left,
VerticalAlignment = LabelStyle.VerticalAlignmentEnum.Bottom,
Offset = new PointF(3, 3),
Halo = new Pen(Color.Yellow, 2),
CollisionDetection = true
}
};
//Add the layers to the map object.
//The order we add them in are the order they are drawn, so we add the rivers last to put them on top
map.Layers.Add(layCountries);
map.Layers.Add(layRivers);
map.Layers.Add(layCities);
map.Layers.Add(layLabel);
map.Layers.Add(layCityLabel);
//limit the zoom to 360 degrees width
map.MaximumZoom = 360;
map.BackColor = Color.LightBlue;
map.ZoomToExtents(); // = 360;
Matrix mat = new Matrix();
mat.RotateAt(angle, map.WorldToImage(map.Center));
map.MapTransform = mat;
return(map);
}
public static Canvas Render(IViewport viewport, LabelLayer layer)
{
// todo: Move stack functionality to Mapsui core.
// step 1) Split RenderStackedLabelLayer into a method
// GetFeaturesInViewStacked en a RenderStackedLabel
// which can later be replace by normal label rendering.
// The method GetFeaturesInViewStacked
// returns a style with an offset determined by the stackoffset
// and a position determined by CenterX en Cluster.Box.Bottom.
// step 2) Move GetFeaturesInViewStacked to a GetFeaturesInView
// method of a new StackedLabelLayed.
var canvas = new Canvas {
Opacity = layer.Opacity
};
// todo: take into account the priority
var features = layer.GetFeaturesInView(viewport.Extent, viewport.Resolution).ToArray();
var margin = viewport.Resolution * 50;
const int symbolSize = 32; // todo: determine margin by symbol size
const int boxMargin = symbolSize / 2;
var clusters = new List <Cluster>();
//todo: repeat until there are no more merges
ClusterFeatures(clusters, features, margin, layer.Style, viewport.Resolution);
const int textHeight = 18;
foreach (var cluster in clusters)
{
var stackOffsetY = double.NaN;
var orderedFeatures = cluster.Features.OrderBy(f => f.Geometry.GetBoundingBox().GetCentroid().Y);
if (cluster.Features.Count > 1)
{
canvas.Children.Add(RenderBox(cluster.Box, viewport));
}
foreach (var feature in orderedFeatures)
{
if (double.IsNaN(stackOffsetY)) // first time
{
stackOffsetY = textHeight * 0.5 + boxMargin;
}
else
{
stackOffsetY += textHeight; //todo: get size from text (or just pass stack nr)
}
LabelStyle style;
if (layer.Style is IThemeStyle)
{
style = (LabelStyle)((IThemeStyle)layer.Style).GetStyle(feature);
}
else
{
style = (LabelStyle)layer.Style;
}
var labelStyle = new LabelStyle(style)
{
Text = layer.GetLabelText(feature)
//we only use the layer for the text, this should be returned by style
};
labelStyle.Offset.Y += stackOffsetY;
// Since the box can be rotated, find the minimal Y value of all 4 corners
var rotatedBox = cluster.Box.Rotate(-viewport.Rotation);
var minY = rotatedBox.Vertices.Select(v => v.Y).Min();
var position = new Point(cluster.Box.GetCentroid().X, minY);
var labelText = labelStyle.GetLabelText(feature);
canvas.Children.Add(SingleLabelRenderer.RenderLabel(position, labelStyle, viewport, labelText));
}
}
return(canvas);
}
/// <summary>
/// 加载指定的Layer至mapImage
/// 注：不刷新地图
/// 标准图层：
/// 名称：TableOrShapeFile
/// 标题：LayerName
/// 分类图层：
/// 名称：TableOrShapeFile + splitKey + ColumnName + splitKey + MaybeValue
/// 标题：Text
/// </summary>
/// <param name="layerName">图层名</param>
/// <param name="mapImage">欲加载到的控件</param>
public static void AddLayer(string layerName, MapImage mapImage, float LabelOffset_X, float LabelOffset_Y)
{
try
{
string[] strArray = Regex.Split(layerName, Global.SplitKey);
DataRow[] rows_layer = DB_Service.MainDataSet.Tables["LayerTable"].Select("TableOrShapeFile = '" + strArray[0] + "'");
//图层
VectorLayer layer;
//图层样式
VectorStyle style = new VectorStyle();
//数据源类型
int DataSourceType = Convert.ToInt32(rows_layer[0]["DataSourceType"]);
//显示次序
int viewOrder = Convert.ToInt32(rows_layer[0]["ViewOrder"]);
//图层点样式
string PointImageID = "";
switch (strArray.Length)
{
case 1:
if (DataSourceType == 0 || DataSourceType == 1)
{
PointImageID = rows_layer[0]["PointImage"].ToString();
}
break;
case 3:
DataRow[] roww = DB_Service.MainDataSet.Tables["LayerSortTable"].Select("TableOrShapeFile = '" + strArray[0] + "' and ColumnName = '" + strArray[1] + "' and MaybeValue = '" + strArray[2] + "'");
PointImageID = roww[0]["PointImage"].ToString();
break;
}
//图层线、面样式
style.Line.Color = Color.FromArgb(Convert.ToInt32(rows_layer[0]["Line_Color"].ToString().Split(',')[0]), Convert.ToInt32(rows_layer[0]["Line_Color"].ToString().Split(',')[1]), Convert.ToInt32(rows_layer[0]["Line_Color"].ToString().Split(',')[2]), Convert.ToInt32(rows_layer[0]["Line_Color"].ToString().Split(',')[3]));
style.Line.Width = Convert.ToInt32(rows_layer[0]["Line_Width"]);
if (Convert.ToBoolean(rows_layer[0]["Fill_IsSolid"]))
{
style.Fill = new SolidBrush(Color.FromArgb(Convert.ToInt32(rows_layer[0]["Fill_Color"].ToString().Split(',')[0]), Convert.ToInt32(rows_layer[0]["Fill_Color"].ToString().Split(',')[1]), Convert.ToInt32(rows_layer[0]["Fill_Color"].ToString().Split(',')[2]), Convert.ToInt32(rows_layer[0]["Fill_Color"].ToString().Split(',')[3])));
}
else
{
style.Fill = new TextureBrush(Resource_Service.GetImage(rows_layer[0]["Fill_Image"].ToString()));
}
if (Convert.ToBoolean(rows_layer[0]["FillLine_Enable"]))
{
style.EnableOutline = true;
style.Outline.Color = Color.FromArgb(Convert.ToInt32(rows_layer[0]["FillLine_Color"].ToString().Split(',')[0]), Convert.ToInt32(rows_layer[0]["FillLine_Color"].ToString().Split(',')[1]), Convert.ToInt32(rows_layer[0]["FillLine_Color"].ToString().Split(',')[2]), Convert.ToInt32(rows_layer[0]["FillLine_Color"].ToString().Split(',')[3]));
style.Outline.Width = Convert.ToInt32(rows_layer[0]["FillLine_Width"]);
}
else
{
style.EnableOutline = false;
}
//加载数据源
if (DataSourceType == 0 || DataSourceType == 1)
{
//数据库数据源
layer = new VectorLayer(layerName, viewOrder, new GeometryFeatureProvider(new FeatureDataTable(DB_Service.GetDataTableByLayerName(layerName))));
//设置图层样式
if (PointImageID != "")
{
style.Symbol = (System.Drawing.Bitmap)Resource_Service.GetImage(PointImageID);
}
}
else
{
//文件数据源
string file = Global.MapPath + strArray[0];
if (File.Exists(file))
{
ShapeFile shpfile = new ShapeFile(file, true);
shpfile.Encoding = System.Text.Encoding.GetEncoding("gb2312");
layer = new VectorLayer(layerName, viewOrder, shpfile);
}
else
{
MessageBox.Show("加载图层失败。\n\n没有找到 " + file + " 的图层文件！", "装载图层");
return;
}
}
//启用图层样式
style.Enabled = true;
layer.Style = style;
//标注图层
LabelLayer labellayer = new LabelLayer("LL" + layerName);
labellayer.Enabled = true;
labellayer.Style.Offset = new PointF(LabelOffset_X, LabelOffset_Y);
if (rows_layer[0]["LabelLayerColName"].ToString() != "")
{
labellayer.LabelColumn = rows_layer[0]["LabelLayerColName"].ToString();
}
else
{
labellayer.LabelColumn = "Name";
}
if (rows_layer[0]["LabelLayerMinShow"] != DBNull.Value)
{
labellayer.MinVisible = Convert.ToDouble(rows_layer[0]["LabelLayerMinShow"]);
}
else
{
labellayer.MinVisible = 0;
}
if (rows_layer[0]["LabelLayerMaxShow"] != DBNull.Value)
{
labellayer.MaxVisible = Convert.ToDouble(rows_layer[0]["LabelLayerMaxShow"]);
}
else
{
labellayer.MaxVisible = 9999999;
}
labellayer.DataSource = layer.DataSource;
//根据不同的图层，设置不同的标注图层风格
switch (strArray[0])
{
case "StationTable":
labellayer.Style.ForeColor = Global.StationNameColor;
labellayer.Style.Font = new Font("黑体", 15, FontStyle.Underline);
break;
case "PositionTable":
//labellayer.Style.ForeColor = Global.PersonNameColor;
labellayer.Style.ForeColor = Color.DodgerBlue; //Color.Black;
labellayer.Style.Font = new Font("黑体", 15, FontStyle.Underline);
break;
case "MapTextTable":
//labellayer.Style.ForeColor = Color.Blue;
labellayer.Style.ForeColor = Color.Black;
labellayer.Style.Font = new Font("黑体", 13, FontStyle.Regular);
break;
default:
labellayer.Style.ForeColor = Color.Black;
labellayer.Style.Font = new Font("黑体", 13, FontStyle.Regular);
break;
}
if (mapImage.Map.Layers.Count == 0)
{
//如果没有最后一个图层，则直接添加
mapImage.Map.Layers.Add(layer);
mapImage.Map.Layers.Add(labellayer);
}
else
{
if (mapImage.Map.Layers[mapImage.Map.Layers.Count - 2].ViewOrder < viewOrder)
{
//最后一个图层的ViewOrder小于将添加的图层：直接添加
mapImage.Map.Layers.Add(layer);
mapImage.Map.Layers.Add(labellayer);
}
else
{
//最后一个图层的ViewOrder大于或者等于要添加的图层：循环判断找出位置插入
for (int i = 0; i < mapImage.Map.Layers.Count; i = i + 2)
{
if (mapImage.Map.Layers[i].ViewOrder >= viewOrder)
{
mapImage.Map.Layers.Insert(i, layer);
mapImage.Map.Layers.Insert(i + 1, labellayer);
break;
}
}
}
}
}
catch (Exception ex)
{
MessageBox.Show("图层 " + layerName + " 加载失败！\n\n" + ex.Message, "装载图层", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}
public static Map InitializeMapPostGis(Size size)
{
HttpContext.Current.Trace.Write("Initializing map...");
string connectionString = ConfigurationManager.ConnectionStrings["postgis"].ConnectionString;
//Initialize a new map of size 'imagesize'
Map map = new Map(size);
//Set up the countries layer
VectorLayer layCountries = new VectorLayer("Countries");
//Set the datasource to a new MsSqlSpatialProvider
layCountries.DataSource = new PostGIS(connectionString, "countries", "wkb_geometry", "ogc_fid");
//Set fill-style to green
layCountries.Style.Fill = new SolidBrush(Color.Green);
//Set the polygons to have a black outline
layCountries.Style.Outline = Pens.Black;
layCountries.Style.EnableOutline = true;
//Set up a river layer
VectorLayer layRivers = new VectorLayer("Rivers");
//Set the datasource to a new MsSqlSpatialProvider
layRivers.DataSource = new PostGIS(connectionString, "rivers", "wkb_geometry", "ogc_fid");
//Define a blue 1px wide pen
layRivers.Style.Line = new Pen(Color.Blue, 1);
//Set up a river layer
VectorLayer layCities = new VectorLayer("Cities");
//Set the datasource to a new MsSqlSpatialProvider
layCities.DataSource = new PostGIS(connectionString, "cities", "wkb_geometry", "ogc_fid");;
//Define a blue 1px wide pen
//layCities.Style.Symbol = new Bitmap(HttpContext.Current.Server.MapPath(@"~\App_data\icon.png"));
layCities.Style.SymbolScale = 0.8f;
layCities.MaxVisible = 40;
//Set up a country label layer
LabelLayer layLabel = new LabelLayer("Country labels");
layLabel.DataSource = layCountries.DataSource;
layLabel.Enabled = true;
layLabel.LabelColumn = "Name";
layLabel.MaxVisible = 90;
layLabel.MinVisible = 30;
layLabel.MultipartGeometryBehaviour = LabelLayer.MultipartGeometryBehaviourEnum.Largest;
layLabel.LabelFilter = LabelCollisionDetection.ThoroughCollisionDetection;
layLabel.PriorityColumn = "popdens";
layLabel.Style = new LabelStyle();
layLabel.Style.ForeColor = Color.White;
layLabel.Style.Font = new Font(FontFamily.GenericSerif, 12);
layLabel.Style.BackColor = new SolidBrush(Color.FromArgb(128, 255, 0, 0));
layLabel.Style.HorizontalAlignment = LabelStyle.HorizontalAlignmentEnum.Center;
layLabel.Style.CollisionDetection = true;
//Set up a city label layer
LabelLayer layCityLabel = new LabelLayer("City labels");
layCityLabel.DataSource = layCities.DataSource;
layCityLabel.Enabled = true;
layCityLabel.LabelColumn = "name";
layCityLabel.PriorityColumn = "population";
layCityLabel.PriorityDelegate = delegate(IFeature fdr)
{
Int32 retVal = 10000000 * (Int32)((String)fdr.Attributes["capital"] == "Y" ? 1 : 0);
return(retVal + Convert.ToInt32(fdr.Attributes["population"]));
};
layCityLabel.TextRenderingHint = TextRendering.AntiAlias;
layCityLabel.SmoothingMode = Smoothing.AntiAlias;
layCityLabel.LabelFilter = LabelCollisionDetection.ThoroughCollisionDetection;
layCityLabel.Style = new LabelStyle();
layCityLabel.Style.ForeColor = Color.Black;
layCityLabel.Style.Font = new Font(FontFamily.GenericSerif, 11);
layCityLabel.Style.MaxVisible = layLabel.MinVisible;
layCityLabel.Style.HorizontalAlignment = LabelStyle.HorizontalAlignmentEnum.Left;
layCityLabel.Style.VerticalAlignment = LabelStyle.VerticalAlignmentEnum.Bottom;
layCityLabel.Style.Offset = new PointF(3, 3);
layCityLabel.Style.Halo = new Pen(Color.Yellow, 2);
layCityLabel.Style.CollisionDetection = true;
//Add the layers to the map object.
//The order we add them in are the order they are drawn, so we add the rivers last to put them on top
map.Layers.Add(layCountries);
map.Layers.Add(layRivers);
map.Layers.Add(layCities);
map.Layers.Add(layLabel);
map.Layers.Add(layCityLabel);
//limit the zoom to 360 degrees width
map.MaximumZoom = 360;
map.BackColor = Color.LightBlue;
map.Zoom = 360;
map.Center = new Point(0, 0);
HttpContext.Current.Trace.Write("Map initialized");
return(map);
}
/// <summary>
/// Add a list of vector layers to the map.
/// </summary>
/// <param name="vectorLayers"></param>
public void AddVectorLayers(List <FeatureInfo> vectorLayers)
{
int counter = 0;
if (vectorLayers == null)
{
return;
}
vectorLayers.ForEach(layer => {
VectorLayer vectorLayer = new VectorLayer("VectorLayer-" + counter);
GeometryFactory factory = new GeometryFactory();
List <IGeometry> geometries = new List <IGeometry>();
FeatureDataTable featureData = new FeatureDataTable();
featureData.Columns.Add("text", typeof(String));
featureData.Columns.Add("style", typeof(MapExport.Style));
layer.features.ForEach(feature =>
{
FeatureDataRow dataRow = featureData.NewRow();
dataRow["text"] = feature.attributes.text;
dataRow["style"] = feature.attributes.style;
List <GeoAPI.Geometries.Coordinate> vertices = new List <GeoAPI.Geometries.Coordinate>();
feature.coordinates.ForEach(coordinate =>
{
double x = coordinate[0];
double y = coordinate[1];
vertices.Add((new GeoAPI.Geometries.Coordinate(x, y)));
});
bool created = false;
switch (feature.type)
{
case "Text":
case "Point":
case "MultiPoint":
if (vertices.Count > 0)
{
var point = factory.CreatePoint(new GeoAPI.Geometries.Coordinate(vertices[0]));
dataRow.Geometry = point;
}
created = true;
break;
case "LineString":
case "MultiLineString":
var lineString = factory.CreateLineString(vertices.ToArray());
dataRow.Geometry = lineString;
created = true;
break;
case "Polygon":
case "MultiPolygon":
var polygon = factory.CreatePolygon(vertices.ToArray());
dataRow.Geometry = polygon;
created = true;
break;
case "Circle":
var circle = factory.CreatePoint(new GeoAPI.Geometries.Coordinate(vertices[0]));
dataRow.Geometry = circle.Buffer(vertices[1][0]);
created = true;
break;
}
if (created)
{
featureData.AddRow(dataRow);
}
});
vectorLayer.DataSource = new SharpMap.Data.Providers.GeometryFeatureProvider(featureData);
vectorLayer.Theme = new CustomTheme(GetFeatureStyle);
map.Layers.Add(vectorLayer);
LabelLayer labels = new LabelLayer("Labels");
labels.DataSource = vectorLayer.DataSource;
labels.Enabled = true;
labels.LabelColumn = "text";
labels.Theme = new CustomTheme(GetLabelStyle);
labels.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAlias;
labels.SmoothingMode = SmoothingMode.HighQuality;
labels.SRID = vectorLayer.SRID;
map.Layers.Add(labels);
counter++;
});
}
private void Form2_Load(object sender, EventArgs e)
{
System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(Form2));
this.toolStrip1 = new System.Windows.Forms.ToolStrip();
this.ZoomWindowToolStripButton = new System.Windows.Forms.ToolStripButton();
this.ZoomInToolStripButton = new System.Windows.Forms.ToolStripButton();
this.ZoomOutToolStripButton = new System.Windows.Forms.ToolStripButton();
this.PanToolStripButton = new System.Windows.Forms.ToolStripButton();
this.PreviousToolStripButton = new System.Windows.Forms.ToolStripButton();
this.NextToolStripButton = new System.Windows.Forms.ToolStripButton();
this.QueryToolStripButton = new System.Windows.Forms.ToolStripButton();
this.toolStrip1.SuspendLayout();
//
// toolStrip1
//
this.toolStrip1.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
this.ZoomWindowToolStripButton,
this.ZoomInToolStripButton,
this.ZoomOutToolStripButton,
this.PanToolStripButton,
this.PreviousToolStripButton,
this.NextToolStripButton,
this.QueryToolStripButton
});
this.toolStrip1.Location = new System.Drawing.Point(0, 0);
this.toolStrip1.Name = "toolStrip1";
this.toolStrip1.Size = new System.Drawing.Size(735, 31);
this.toolStrip1.TabIndex = 1;
this.toolStrip1.Text = "toolStrip1";
//
// toolStripButton1
//
this.ZoomWindowToolStripButton.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Image;
this.ZoomWindowToolStripButton.Image = ((System.Drawing.Image)(resources.GetObject("globe")));
this.ZoomWindowToolStripButton.ImageScaling = System.Windows.Forms.ToolStripItemImageScaling.None;
this.ZoomWindowToolStripButton.ImageTransparentColor = System.Drawing.Color.Magenta;
this.ZoomWindowToolStripButton.Name = "toolStripButton1";
this.ZoomWindowToolStripButton.Size = new System.Drawing.Size(28, 28);
this.ZoomWindowToolStripButton.Text = "全图";
this.ZoomWindowToolStripButton.Click += new EventHandler(ZoomWindowToolStripButton_Click);
//
// toolStripButton2
//
this.ZoomInToolStripButton.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Image;
this.ZoomInToolStripButton.Image = ((System.Drawing.Image)(resources.GetObject("zoomin")));
this.ZoomInToolStripButton.ImageScaling = System.Windows.Forms.ToolStripItemImageScaling.None;
this.ZoomInToolStripButton.ImageTransparentColor = System.Drawing.Color.Magenta;
this.ZoomInToolStripButton.Name = "toolStripButton2";
this.ZoomInToolStripButton.Size = new System.Drawing.Size(26, 28);
this.ZoomInToolStripButton.Text = "放大";
this.ZoomInToolStripButton.Click += new EventHandler(ZoomInToolStripButton_Click);
//
// toolStripButton3
//
this.ZoomOutToolStripButton.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Image;
this.ZoomOutToolStripButton.Image = ((System.Drawing.Image)(resources.GetObject("zoomout")));
this.ZoomOutToolStripButton.ImageScaling = System.Windows.Forms.ToolStripItemImageScaling.None;
this.ZoomOutToolStripButton.ImageTransparentColor = System.Drawing.Color.Magenta;
this.ZoomOutToolStripButton.Name = "toolStripButton3";
this.ZoomOutToolStripButton.Size = new System.Drawing.Size(26, 28);
this.ZoomOutToolStripButton.Text = "缩小";
this.ZoomOutToolStripButton.Click += new EventHandler(ZoomOutToolStripButton_Click);
//
// toolStripButton4
//
this.PanToolStripButton.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Image;
this.PanToolStripButton.Image = ((System.Drawing.Image)(resources.GetObject("hand")));
this.PanToolStripButton.ImageScaling = System.Windows.Forms.ToolStripItemImageScaling.None;
this.PanToolStripButton.ImageTransparentColor = System.Drawing.Color.Magenta;
this.PanToolStripButton.Name = "toolStripButton4";
this.PanToolStripButton.Size = new System.Drawing.Size(28, 28);
this.PanToolStripButton.Text = "平移";
this.PanToolStripButton.Click += new EventHandler(PanToolStripButton_Click);
//
// toolStripButton6
//
this.PreviousToolStripButton.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Image;
this.PreviousToolStripButton.Image = ((System.Drawing.Image)(resources.GetObject("previous")));
this.PreviousToolStripButton.ImageScaling = System.Windows.Forms.ToolStripItemImageScaling.None;
this.PreviousToolStripButton.ImageTransparentColor = System.Drawing.Color.Magenta;
this.PreviousToolStripButton.Name = "toolStripButton6";
this.PreviousToolStripButton.Size = new System.Drawing.Size(28, 28);
this.PreviousToolStripButton.Text = "前一视图";
this.PreviousToolStripButton.Click += new EventHandler(PreviousToolStripButton_Click);
//
// toolStripButton7
//
this.NextToolStripButton.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Image;
this.NextToolStripButton.Image = ((System.Drawing.Image)(resources.GetObject("next")));
this.NextToolStripButton.ImageScaling = System.Windows.Forms.ToolStripItemImageScaling.None;
this.NextToolStripButton.ImageTransparentColor = System.Drawing.Color.Magenta;
this.NextToolStripButton.Name = "toolStripButton7";
this.NextToolStripButton.Size = new System.Drawing.Size(28, 28);
this.NextToolStripButton.Text = "后一视图";
this.NextToolStripButton.Click += new EventHandler(NextToolStripButton_Click);
//
// toolStripButton8
//
this.QueryToolStripButton.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Image;
this.QueryToolStripButton.Image = ((System.Drawing.Image)(resources.GetObject("identify")));
this.QueryToolStripButton.ImageScaling = System.Windows.Forms.ToolStripItemImageScaling.None;
this.QueryToolStripButton.ImageTransparentColor = System.Drawing.Color.Magenta;
this.QueryToolStripButton.Name = "toolStripButton8";
this.QueryToolStripButton.Size = new System.Drawing.Size(28, 28);
this.QueryToolStripButton.Text = "查询";
this.QueryToolStripButton.Click += new EventHandler(QueryToolStripButton_Click);
this.Controls.Add(this.toolStrip1);
//
// button2
//
this.button2 = new System.Windows.Forms.Button();
this.button2.Location = new System.Drawing.Point(158, 99);
this.button2.Name = "button2";
this.button2.Size = new System.Drawing.Size(75, 23);
this.button2.TabIndex = 0;
this.button2.Text = "button2";
this.button2.UseVisualStyleBackColor = true;
this.button2.Click += new EventHandler(button2_Click);
this.Controls.Add(this.button2);
//
// mapBox1
//
this.mapBox1 = new SharpMap.Forms.MapBox();
this.mapBox1.ActiveTool = SharpMap.Forms.MapBox.Tools.None;
this.mapBox1.BackColor = System.Drawing.Color.White;
this.mapBox1.Cursor = System.Windows.Forms.Cursors.Default;
this.mapBox1.Dock = System.Windows.Forms.DockStyle.Fill;
this.mapBox1.FineZoomFactor = 10D;
this.mapBox1.Location = new System.Drawing.Point(0, 78);
this.mapBox1.MapQueryMode = SharpMap.Forms.MapBox.MapQueryType.LayerByIndex;
this.mapBox1.Name = "mapBox1";
this.mapBox1.QueryGrowFactor = 5F;
this.mapBox1.QueryLayerIndex = 0;
this.mapBox1.SelectionBackColor = System.Drawing.Color.FromArgb(((int)(((byte)(210)))), ((int)(((byte)(244)))), ((int)(((byte)(244)))), ((int)(((byte)(244)))));
this.mapBox1.SelectionForeColor = System.Drawing.Color.FromArgb(((int)(((byte)(244)))), ((int)(((byte)(244)))), ((int)(((byte)(244)))));
this.mapBox1.ShowProgressUpdate = false;
this.mapBox1.Size = new System.Drawing.Size(527, 317);
this.mapBox1.TabIndex = 0;
this.mapBox1.Text = "mapBox1";
this.mapBox1.WheelZoomMagnitude = -2D;
this.mapBox1.MapQueried += new SharpMap.Forms.MapBox.MapQueryHandler(mapBox1_MapQueried);
this.mapBox1.Map.MapViewOnChange += new SharpMap.Map.MapViewChangedHandler(Map_MapViewOnChange);
this.mapBox1.MouseDown += new MapBox.MouseEventHandler(mapBox1_MouseDown);
this.mapBox1.MouseUp += new MapBox.MouseEventHandler(mapBox1_MouseUp);
this.Controls.Add(this.mapBox1);
this.toolStrip1.ResumeLayout(false);
this.toolStrip1.PerformLayout();
this.mapBox1.Map.Layers.Clear();
SharpMap.Layers.VectorLayer vlayer = new SharpMap.Layers.VectorLayer("states");
string start = Application.StartupPath;
string path = @"E:\workspace\Code\2016\ExcelReader\ExcelReader\bin\Debug\tmp.shp";
vlayer.DataSource = new SharpMap.Data.Providers.ShapeFile(path);
vlayer.Style.Fill = new SolidBrush(Color.GreenYellow);
vlayer.Style.Outline = System.Drawing.Pens.Gray;
vlayer.Style.EnableOutline = true;
mapBox1.Map.Layers.Add(vlayer);
SharpMap.Layers.LabelLayer labelLayer = new LabelLayer("label");
labelLayer.DataSource = vlayer.DataSource;
labelLayer.Enabled = true;
labelLayer.LabelColumn = "mapNo";
labelLayer.Style = new SharpMap.Styles.LabelStyle();
labelLayer.Style.ForeColor = Color.Black;
labelLayer.Style.Font = new System.Drawing.Font(FontFamily.GenericSerif, 13);
labelLayer.Style.Offset = new PointF(3, 3);
labelLayer.Style.Halo = new Pen(Color.Yellow, 2);
labelLayer.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAlias;
labelLayer.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
labelLayer.LabelFilter = SharpMap.Rendering.LabelCollisionDetection.ThoroughCollisionDetection;
labelLayer.Style.CollisionDetection = true;
labelLayer.MaxVisible = 200000;
mapBox1.Map.Layers.Add(labelLayer);
mapBox1.Map.ZoomToExtents();
mapBox1.Refresh();
}
private static Map InitializeMapOsmWithXls(float angle)
{
Map map = new Map();
TileAsyncLayer tileLayer = new TileAsyncLayer(new OsmTileSource(), "TileLayer - OSM with XLS");
map.BackgroundLayer.Add(tileLayer);
//Get data from excel
string xlsPath = string.Format(XlsConnectionString, Directory.GetCurrentDirectory(), "GeoData\\Cities.xls");
DataSet ds = new DataSet("XLS");
using (OleDbConnection cn = new OleDbConnection(xlsPath))
{
cn.Open();
using (OleDbDataAdapter da = new OleDbDataAdapter(new OleDbCommand("SELECT * FROM [Cities$]", cn)))
da.Fill(ds);
}
#if !DotSpatialProjections
//The SRS for this datasource is EPSG:4326, therefore we need to transfrom it to OSM projection
CoordinateTransformationFactory ctf = new CoordinateTransformationFactory();
CoordinateSystemFactory cf = new CoordinateSystemFactory();
ICoordinateSystem epsg4326 = cf.CreateFromWkt("GEOGCS[\"WGS 84\",DATUM[\"WGS_1984\",SPHEROID[\"WGS 84\",6378137,298.257223563,AUTHORITY[\"EPSG\",\"7030\"]],AUTHORITY[\"EPSG\",\"6326\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.01745329251994328,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"4326\"]]");
ICoordinateSystem epsg3857 = cf.CreateFromWkt("PROJCS[\"Popular Visualisation CRS / Mercator\", GEOGCS[\"Popular Visualisation CRS\", DATUM[\"Popular Visualisation Datum\", SPHEROID[\"Popular Visualisation Sphere\", 6378137, 0, AUTHORITY[\"EPSG\",\"7059\"]], TOWGS84[0, 0, 0, 0, 0, 0, 0], AUTHORITY[\"EPSG\",\"6055\"]],PRIMEM[\"Greenwich\", 0, AUTHORITY[\"EPSG\", \"8901\"]], UNIT[\"degree\", 0.0174532925199433, AUTHORITY[\"EPSG\", \"9102\"]], AXIS[\"E\", EAST], AXIS[\"N\", NORTH], AUTHORITY[\"EPSG\",\"4055\"]], PROJECTION[\"Mercator\"], PARAMETER[\"False_Easting\", 0], PARAMETER[\"False_Northing\", 0], PARAMETER[\"Central_Meridian\", 0], PARAMETER[\"Latitude_of_origin\", 0], UNIT[\"metre\", 1, AUTHORITY[\"EPSG\", \"9001\"]], AXIS[\"East\", EAST], AXIS[\"North\", NORTH], AUTHORITY[\"EPSG\",\"3857\"]]");
ICoordinateTransformation ct = ctf.CreateFromCoordinateSystems(epsg4326, epsg3857);
foreach (DataRow row in ds.Tables[0].Rows)
{
if (row["X"] == DBNull.Value || row["Y"] == DBNull.Value)
{
continue;
}
double[] coords = new[] { Convert.ToDouble(row["X"]), Convert.ToDouble(row["Y"]) };
coords = ct.MathTransform.Transform(coords);
row["X"] = coords[0];
row["Y"] = coords[1];
}
#else
var epsg4326 = DotSpatial.Projections.KnownCoordinateSystems.Geographic.World.WGS1984;
var epsg3857 = DotSpatial.Projections.ProjectionInfo.FromEsriString("PROJCS[\"Popular Visualisation CRS / Mercator\", GEOGCS[\"Popular Visualisation CRS\", DATUM[\"Popular Visualisation Datum\", SPHEROID[\"Popular Visualisation Sphere\", 6378137, 0, AUTHORITY[\"EPSG\",\"7059\"]], TOWGS84[0, 0, 0, 0, 0, 0, 0], AUTHORITY[\"EPSG\",\"6055\"]],PRIMEM[\"Greenwich\", 0, AUTHORITY[\"EPSG\", \"8901\"]], UNIT[\"degree\", 0.0174532925199433, AUTHORITY[\"EPSG\", \"9102\"]], AXIS[\"E\", EAST], AXIS[\"N\", NORTH], AUTHORITY[\"EPSG\",\"4055\"]], PROJECTION[\"Mercator\"], PARAMETER[\"False_Easting\", 0], PARAMETER[\"False_Northing\", 0], PARAMETER[\"Central_Meridian\", 0], PARAMETER[\"Latitude_of_origin\", 0], UNIT[\"metre\", 1, AUTHORITY[\"EPSG\", \"9001\"]], AXIS[\"East\", EAST], AXIS[\"North\", NORTH], AUTHORITY[\"EPSG\",\"3857\"]]");
foreach (System.Data.DataRow row in ds.Tables[0].Rows)
{
if (row["X"] == DBNull.Value || row["Y"] == DBNull.Value)
{
continue;
}
var coords = new[] { Convert.ToDouble(row["X"]), Convert.ToDouble(row["Y"]) };
DotSpatial.Projections.Reproject.ReprojectPoints(coords, null, epsg4326, epsg3857, 0, 1);
row["X"] = coords[0];
row["Y"] = coords[1];
}
#endif
//Add Rotation Column
ds.Tables[0].Columns.Add("Rotation", typeof(float));
foreach (DataRow row in ds.Tables[0].Rows)
{
row["Rotation"] = -angle;
}
//Set up provider
DataTablePoint xlsProvider = new DataTablePoint(ds.Tables[0], "OID", "X", "Y");
VectorLayer xlsLayer = new VectorLayer("XLS", xlsProvider)
{
Style = { Symbol = VectorStyle.DefaultSymbol }
};
//Add layer to map
map.Layers.Add(xlsLayer);
LabelLayer xlsLabelLayer = new LabelLayer("XLSLabel")
{
DataSource = xlsProvider,
LabelColumn = "Name",
PriorityColumn = "Population",
Style =
{
CollisionBuffer = new SizeF(2f, 2f),
CollisionDetection = true
},
LabelFilter =
LabelCollisionDetection.ThoroughCollisionDetection
};
map.Layers.Add(xlsLabelLayer);
map.ZoomToBox(tileLayer.Envelope);
return(map);
}
public FtPuntualVectorLayer(FtMap ftMap, FtTransmitterDataset dataset)
{
_ftMap = ftMap;
IProvider dataSource = null;
var symbolizer = dataset.Visulization.Symbolizer;
var pointSymbolizer = symbolizer as IPointSymbolizer;
if (pointSymbolizer != null)
{
dataSource = dataset.GPSData.AsDataTablePoint();
SymbolizerLayer = new VectorLayer(dataset.TagId.ToString(), dataSource)
{
Style = { PointSymbolizer = pointSymbolizer }
};
pointSymbolizer.Size = new Size(Properties.Settings.Default.VisualizerMarkersize,
Properties.Settings.Default.VisualizerMarkersize);
}
var lineSymbolizer = symbolizer as FtBasicLineSymbolizer;
if (lineSymbolizer != null)
{
dataSource = dataset.GPSData.AsDataTableLine();
SymbolizerLayer = new VectorLayer(dataset.TagId.ToString(), dataSource)
{
Style = { LineSymbolizer = lineSymbolizer }
};
lineSymbolizer.Size = new Size(Properties.Settings.Default.VisualizerMarkersize,
Properties.Settings.Default.VisualizerMarkersize);
}
SymbolizerLayer.SmoothingMode = SmoothingMode.HighQuality;
symbolizer.SmoothingMode = SmoothingMode.HighQuality;
if (dataSource?.GetFeatureCount() > 500)
{
SymbolizerLayer.SmoothingMode = SmoothingMode.HighSpeed;
symbolizer.SmoothingMode = SmoothingMode.HighSpeed;
}
if ((symbolizer as IFtBaseSymbolizer).Labeled)
{
LabelLayer = new LabelLayer($"Label{dataset.TagId}")
{
DataSource = dataset.GPSData.AsDataTablePoint(),
LabelColumn = "num",
LabelPositionDelegate = LabelPositionDelegate,
SmoothingMode = SmoothingMode.HighSpeed,
Style = { Font = MapFont, VerticalAlignment = LabelStyle.VerticalAlignmentEnum.Top, HorizontalAlignment = LabelStyle.HorizontalAlignmentEnum.Left, CollisionDetection = false, ForeColor = dataset.Visulization.Color }
};
}
if (LabelLayer != null)
{
this.Add(LabelLayer);
}
this.Add(SymbolizerLayer);
}
void SetupMap()
{
FactLocations = new FeatureDataTable();
FactLocations.Columns.Add("MapLocation", typeof(MapLocation));
FactLocations.Columns.Add("ViewPort", typeof(Envelope));
FactLocations.Columns.Add("Label", typeof(string));
clusterer = new MarkerClusterer(FactLocations);
GeometryFeatureProvider factLocationGFP = new GeometryFeatureProvider(clusterer.FeatureDataTable);
clusterLayer = new VectorLayer("Clusters")
{
DataSource = factLocationGFP
};
Dictionary <string, IStyle> styles = new Dictionary <string, IStyle>();
VectorStyle feature = new VectorStyle
{
PointColor = new SolidBrush(Color.Red),
PointSize = 20,
Symbol = Image.FromFile(Path.Combine(Application.StartupPath, @"Resources\Icons\teardrop_blue.png")),
SymbolOffset = new PointF(0.0f, -17.0f)
};
styles.Add(MapCluster.FEATURE, feature);
VectorStyle cluster = new VectorStyle
{
PointColor = new SolidBrush(Color.ForestGreen),
PointSize = 20,
Symbol = Image.FromFile(Path.Combine(Application.StartupPath, @"Resources\Icons\people35.png"))
};
styles.Add(MapCluster.CLUSTER, cluster);
VectorStyle unknown = new VectorStyle
{
PointColor = new SolidBrush(Color.Black),
PointSize = 10
};
styles.Add(MapCluster.UNKNOWN, unknown);
clusterLayer.Theme = new SharpMap.Rendering.Thematics.UniqueValuesTheme <string>("Cluster", styles, unknown);
map.Layers.Add(clusterLayer);
labelLayer = new LabelLayer("Label")
{
DataSource = factLocationGFP,
Enabled = true,
//Specifiy field that contains the label string.
LabelColumn = "Label",
TextRenderingHint = TextRenderingHint.AntiAlias,
SmoothingMode = SmoothingMode.AntiAlias
};
LabelStyle style = new LabelStyle
{
ForeColor = Color.Black,
Font = new Font(FontFamily.GenericSerif, 14, FontStyle.Bold),
HorizontalAlignment = LabelStyle.HorizontalAlignmentEnum.Center,
VerticalAlignment = LabelStyle.VerticalAlignmentEnum.Bottom,
CollisionDetection = true,
Offset = new PointF(0, 17),
Halo = new Pen(Color.Yellow, 3)
};
labelLayer.Style = style;
map.Layers.Add(labelLayer);
}
public static Canvas Render(IViewport viewport, LabelLayer layer)
{
throw new NotImplementedException();
}
public static Map InitializeMapMsSqlSpatial(Size size)
{
HttpContext.Current.Trace.Write("Initializing map...");
string connectionString = ConfigurationManager.ConnectionStrings["mssqlspatial"].ConnectionString;
//Initialize a new map of size 'imagesize'
Map map = new Map(size);
if (connectionString.Contains("server=XXXXXXXXXXX"))
{
throw new ArgumentException("You need to adjust the connectionstring to MsSqlSpatial Server");
}
//Set up the countries layer
VectorLayer layCountries = new VectorLayer("Countries");
//Set the datasource to a new MsSqlSpatialProvider
layCountries.DataSource = new MsSqlSpatial(connectionString, "Countries", "Geometry", "oid");
//Set fill-style to green
layCountries.Style.Fill = new SolidBrush(Color.Green);
//Set the polygons to have a black outline
layCountries.Style.Outline = Pens.Black;
layCountries.Style.EnableOutline = true;
layCountries.SRID = 4326;
//Set up a river layer
VectorLayer layRivers = new VectorLayer("Rivers");
//Set the datasource to a new MsSqlSpatialProvider
layRivers.DataSource = new MsSqlSpatial(connectionString, "Rivers", "Geometry", "oid");
//Define a blue 1px wide pen
layRivers.Style.Line = new Pen(Color.Blue, 1);
layRivers.SRID = 4326;
//Set up a river layer
VectorLayer layCities = new VectorLayer("Cities");
//Set the datasource to a new MsSqlSpatialProvider
layCities.DataSource = new MsSqlSpatial(connectionString, "Cities", "Geometry", "oid");
;
//Define a blue 1px wide pen
//layCities.Style.Symbol = new Bitmap(HttpContext.Current.Server.MapPath(@"~\App_data\icon.png"));
layCities.Style.SymbolScale = 0.8f;
layCities.MaxVisible = 40;
layCities.SRID = 4326;
//Set up a country label layer
LabelLayer layLabel = new LabelLayer("Country labels");
layLabel.DataSource = layCountries.DataSource;
layLabel.Enabled = true;
layLabel.LabelColumn = "Name";
layLabel.Style = new LabelStyle();
layLabel.Style.ForeColor = Color.White;
layLabel.Style.Font = new Font(FontFamily.GenericSerif, 12);
layLabel.Style.BackColor = new SolidBrush(Color.FromArgb(128, 255, 0, 0));
layLabel.MaxVisible = 90;
layLabel.MinVisible = 30;
layLabel.Style.HorizontalAlignment = LabelStyle.HorizontalAlignmentEnum.Center;
layLabel.SRID = 4326;
layLabel.MultipartGeometryBehaviour = LabelLayer.MultipartGeometryBehaviourEnum.Largest;
//Set up a city label layer
LabelLayer layCityLabel = new LabelLayer("City labels");
layCityLabel.DataSource = layCities.DataSource;
layCityLabel.Enabled = true;
layCityLabel.LabelColumn = "Name";
layCityLabel.Style = new LabelStyle();
layCityLabel.Style.ForeColor = Color.Black;
layCityLabel.Style.Font = new Font(FontFamily.GenericSerif, 11);
layCityLabel.MaxVisible = layLabel.MinVisible;
layCityLabel.Style.HorizontalAlignment = LabelStyle.HorizontalAlignmentEnum.Left;
layCityLabel.Style.VerticalAlignment = LabelStyle.VerticalAlignmentEnum.Bottom;
layCityLabel.Style.Offset = new PointF(3, 3);
layCityLabel.Style.Halo = new Pen(Color.Yellow, 2);
layCityLabel.TextRenderingHint = TextRenderingHint.AntiAlias;
layCityLabel.SmoothingMode = SmoothingMode.AntiAlias;
layCityLabel.SRID = 4326;
layCityLabel.LabelFilter = LabelCollisionDetection.ThoroughCollisionDetection;
layCityLabel.Style.CollisionDetection = true;
//Add the layers to the map object.
//The order we add them in are the order they are drawn, so we add the rivers last to put them on top
map.Layers.Add(layCountries);
map.Layers.Add(layRivers);
map.Layers.Add(layCities);
map.Layers.Add(layLabel);
map.Layers.Add(layCityLabel);
//limit the zoom to 360 degrees width
map.MaximumZoom = 360;
map.BackColor = Color.LightBlue;
map.Zoom = 360;
map.Center = new Point(0, 0);
HttpContext.Current.Trace.Write("Map initialized");
return(map);
}
// Create a LabelLayer and add it into the Group Layer collection with index 0.
private LabelLayer CreateLabelLayer(Map myMap, MapInfo.Data.Table table, string caption)
{
LabelLayer ll = new LabelLayer("Label Layer for bound data", SampleConstants.NewLabelLayerAlias);
// Insert this LabelLayer into the GroupLayer
GroupLayer gLyr = GetTheGroupLayer();
gLyr.Insert(0, ll);
LabelSource ls = new LabelSource(table);
ls.DefaultLabelProperties.Caption = caption;
ll.Sources.Append(ls);
return ll;
}
public static Map InitializeMap(float angle)
{
//Initialize a new map based on the simple map
Map map = new Map();
//Set up countries layer
VectorLayer layCountries = new VectorLayer("Countries");
//Set the datasource to a shapefile in the App_data folder
layCountries.DataSource = new ShapeFile("GeoData/World/countries.shp", true);
//Set fill-style to green
layCountries.Style.Fill = new SolidBrush(Color.Green);
//Set the polygons to have a black outline
layCountries.Style.Outline = Pens.Black;
layCountries.Style.EnableOutline = true;
layCountries.SRID = 4326;
map.Layers.Add(layCountries);
//set up cities layer
VectorLayer layCities = new VectorLayer("Cities");
//Set the datasource to a shapefile in the App_data folder
layCities.DataSource = new ShapeFile("GeoData/World/cities.shp", true);
layCities.Style.SymbolScale = 0.8f;
layCities.MaxVisible = 40;
layCities.SRID = 4326;
map.Layers.Add(layCities);
//Set up a country label layer
LabelLayer layLabel = new LabelLayer("Country labels");
layLabel.DataSource = layCountries.DataSource;
layLabel.Enabled = true;
layLabel.LabelColumn = "Name";
layLabel.Style = new LabelStyle();
layLabel.Style.ForeColor = Color.White;
layLabel.Style.Font = new Font(FontFamily.GenericSerif, 12);
layLabel.Style.BackColor = new SolidBrush(Color.FromArgb(128, 255, 0, 0));
layLabel.MaxVisible = 90;
layLabel.MinVisible = 30;
layLabel.Style.HorizontalAlignment = LabelStyle.HorizontalAlignmentEnum.Center;
layLabel.SRID = 4326;
layLabel.MultipartGeometryBehaviour = LabelLayer.MultipartGeometryBehaviourEnum.Largest;
map.Layers.Add(layLabel);
//Set up a city label layer
LabelLayer layCityLabel = new LabelLayer("City labels");
layCityLabel.DataSource = layCities.DataSource;
layCityLabel.Enabled = true;
layCityLabel.LabelColumn = "Name";
layCityLabel.Style = new LabelStyle();
layCityLabel.Style.ForeColor = Color.Black;
layCityLabel.Style.Font = new Font(FontFamily.GenericSerif, 11);
layCityLabel.MaxVisible = layLabel.MinVisible;
layCityLabel.Style.HorizontalAlignment = LabelStyle.HorizontalAlignmentEnum.Left;
layCityLabel.Style.VerticalAlignment = LabelStyle.VerticalAlignmentEnum.Bottom;
layCityLabel.Style.Offset = new PointF(3, 3);
layCityLabel.Style.Halo = new Pen(Color.Yellow, 2);
layCityLabel.TextRenderingHint = TextRendering.AntiAlias;
layCityLabel.SmoothingMode = Smoothing.AntiAlias;
layCityLabel.SRID = 4326;
layCityLabel.LabelFilter = LabelCollisionDetection.ThoroughCollisionDetection;
layCityLabel.Style.CollisionDetection = true;
map.Layers.Add(layCityLabel);
//Set a gradient theme on the countries layer, based on Population density
//First create two styles that specify min and max styles
//In this case we will just use the default values and override the fill-colors
//using a colorblender. If different line-widths, line- and fill-colors where used
//in the min and max styles, these would automatically get linearly interpolated.
VectorStyle min = new VectorStyle();
VectorStyle max = new VectorStyle();
//Create theme using a density from 0 (min) to 400 (max)
GradientTheme popdens = new GradientTheme("PopDens", 0, 400, min, max);
//We can make more advanced coloring using the ColorBlend'er.
//Setting the FillColorBlend will override any fill-style in the min and max fills.
//In this case we just use the predefined Rainbow colorscale
popdens.FillColorBlend = ColorBlend.Rainbow5;
layCountries.Theme = popdens;
//Lets scale the labels so that big countries have larger texts as well
LabelStyle lblMin = new LabelStyle();
LabelStyle lblMax = new LabelStyle();
lblMin.ForeColor = Color.Black;
lblMin.Font = new Font(FontFamily.GenericSerif, 6);
lblMax.ForeColor = Color.Blue;
lblMax.BackColor = new SolidBrush(Color.FromArgb(128, 255, 255, 255));
lblMin.BackColor = lblMax.BackColor;
lblMax.Font = new Font(FontFamily.GenericSerif, 9);
layLabel.Theme = new GradientTheme("PopDens", 0, 400, lblMin, lblMax);
//Lets scale city icons based on city population
//cities below 1.000.000 gets the smallest symbol, and cities with more than 5.000.000 the largest symbol
VectorStyle citymin = new VectorStyle();
VectorStyle citymax = new VectorStyle();
string iconPath = "Images/icon.png";
if (!File.Exists(iconPath))
{
throw new Exception(
String.Format("Error file '{0}' could not be found, make sure it is at the expected location",
iconPath));
}
citymin.Symbol = new Bitmap(iconPath);
citymin.SymbolScale = 0.5f;
citymax.Symbol = new Bitmap(iconPath);
citymax.SymbolScale = 1f;
layCities.Theme = new GradientTheme("Population", 1000000, 5000000, citymin, citymax);
//limit the zoom to 360 degrees width
map.MaximumZoom = 360;
map.BackColor = Color.LightBlue;
map.MaximumExtents = new Envelope(-20, 70, -65, 80);
map.MaximumZoom = 30;
map.Zoom = 20;
map.Center = new Point(0, 0);
Matrix mat = new Matrix();
mat.RotateAt(angle, map.WorldToImage(map.Center));
map.MapTransform = mat;
return(map);
}
private static Map InitializeMapinfo(float angle)
{
//Initialize a new map of size 'imagesize'
Map map = new Map();
//Set up the countries layer
VectorLayer layCountries = new VectorLayer("Countries");
//Set the datasource to a shapefile in the App_data folder
try
{
layCountries.DataSource = new Ogr("GeoData/MapInfo/countriesMapInfo.tab");
}
catch (TypeInitializationException ex)
{
if (ex.Message == "The type initializer for 'OSGeo.OGR.Ogr' threw an exception.")
{
throw new Exception(
String.Format(
"The application threw a PINVOKE exception. You probably need to copy the unmanaged dll's to your bin directory. They are a part of fwtools {0}. You can download it from: http://home.gdal.org/fwtools/",
GdalRasterLayer.FWToolsVersion));
}
throw;
}
//Set fill-style to green
layCountries.Style.Fill = new SolidBrush(Color.Green);
//Set the polygons to have a black outline
layCountries.Style.Outline = Pens.Black;
layCountries.Style.EnableOutline = true;
layCountries.SRID = 4326;
//Set up a river layer
VectorLayer layRivers = new VectorLayer("Rivers");
//Set the datasource to a shapefile in the App_data folder
layRivers.DataSource = new Ogr("GeoData/MapInfo/riversMapInfo.tab");
//Define a blue 1px wide pen
layRivers.Style.Line = new Pen(Color.Blue, 1);
layRivers.SRID = 4326;
//Set up a river layer
VectorLayer layCities = new VectorLayer("Cities");
//Set the datasource to a shapefile in the App_data folder
layCities.DataSource = new Ogr("GeoData/MapInfo/citiesMapInfo.tab");
layCities.Style.SymbolScale = 0.8f;
layCities.MaxVisible = 40;
layCities.SRID = 4326;
//Set up a country label layer
LabelLayer layLabel = new LabelLayer("Country labels");
layLabel.DataSource = layCountries.DataSource;
layLabel.Enabled = true;
layLabel.LabelColumn = "Name";
layLabel.Style = new LabelStyle();
layLabel.Style.ForeColor = Color.White;
layLabel.Style.Font = new Font(FontFamily.GenericSerif, 12);
layLabel.Style.BackColor = new SolidBrush(Color.FromArgb(128, 255, 0, 0));
layLabel.MaxVisible = 90;
layLabel.MinVisible = 30;
layLabel.Style.HorizontalAlignment = LabelStyle.HorizontalAlignmentEnum.Center;
layLabel.SRID = 4326;
layLabel.MultipartGeometryBehaviour = LabelLayer.MultipartGeometryBehaviourEnum.Largest;
//Set up a city label layer
LabelLayer layCityLabel = new LabelLayer("City labels");
layCityLabel.DataSource = layCities.DataSource;
layCityLabel.Enabled = true;
layCityLabel.LabelColumn = "Name";
layCityLabel.Style = new LabelStyle();
layCityLabel.Style.ForeColor = Color.Black;
layCityLabel.Style.Font = new Font(FontFamily.GenericSerif, 11);
layCityLabel.MaxVisible = layLabel.MinVisible;
layCityLabel.Style.HorizontalAlignment = LabelStyle.HorizontalAlignmentEnum.Left;
layCityLabel.Style.VerticalAlignment = LabelStyle.VerticalAlignmentEnum.Bottom;
layCityLabel.Style.Offset = new PointF(3, 3);
layCityLabel.Style.Halo = new Pen(Color.Yellow, 2);
layCityLabel.TextRenderingHint = TextRenderingHint.AntiAlias;
layCityLabel.SmoothingMode = SmoothingMode.AntiAlias;
layCityLabel.SRID = 4326;
layCityLabel.LabelFilter = LabelCollisionDetection.ThoroughCollisionDetection;
layCityLabel.Style.CollisionDetection = true;
//Add the layers to the map object.
//The order we add them in are the order they are drawn, so we add the rivers last to put them on top
map.Layers.Add(layCountries);
map.Layers.Add(layRivers);
map.Layers.Add(layCities);
map.Layers.Add(layLabel);
map.Layers.Add(layCityLabel);
//limit the zoom to 360 degrees width
map.MaximumZoom = 360;
map.BackColor = Color.LightBlue;
map.ZoomToExtents(); // = 360;
map.Center = new Point(0, 0);
_ogrSampleDataset = "MapInfo";
Matrix mat = new Matrix();
mat.RotateAt(angle, map.WorldToImage(map.Center));
map.MapTransform = mat;
return(map);
}
public Form3()
{
InitializeComponent();
System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(Form3));
this.components = new System.ComponentModel.Container();
this.mapBox1 = new SharpMap.Forms.MapBox();
this.mapZoomToolStrip1 = new SharpMap.Forms.ToolBar.MapZoomToolStrip(this.components);
this.toolsbIdentity = new System.Windows.Forms.ToolStripButton();
this.mapZoomToolStrip1.SuspendLayout();
//
// mapBox1
//
this.mapBox1.ActiveTool = SharpMap.Forms.MapBox.Tools.None;
this.mapBox1.BackColor = System.Drawing.Color.White;
this.mapBox1.Cursor = System.Windows.Forms.Cursors.Default;
this.mapBox1.Dock = System.Windows.Forms.DockStyle.Fill;
this.mapBox1.FineZoomFactor = 10D;
this.mapBox1.Location = new System.Drawing.Point(0, 0);
this.mapBox1.MapQueryMode = SharpMap.Forms.MapBox.MapQueryType.LayerByIndex;
this.mapBox1.Name = "mapBox1";
this.mapBox1.QueryGrowFactor = 5F;
this.mapBox1.QueryLayerIndex = 0;
this.mapBox1.SelectionBackColor = System.Drawing.Color.FromArgb(((int)(((byte)(210)))), ((int)(((byte)(244)))), ((int)(((byte)(244)))), ((int)(((byte)(244)))));
this.mapBox1.SelectionForeColor = System.Drawing.Color.FromArgb(((int)(((byte)(244)))), ((int)(((byte)(244)))), ((int)(((byte)(244)))));
this.mapBox1.ShowProgressUpdate = false;
this.mapBox1.Size = new System.Drawing.Size(580, 407);
this.mapBox1.TabIndex = 0;
this.mapBox1.Text = "mapBox1";
this.mapBox1.WheelZoomMagnitude = -2D;
this.mapBox1.MapQueried += new SharpMap.Forms.MapBox.MapQueryHandler(this.mapBox1_MapQueried);
//
// mapZoomToolStrip1
//
this.mapZoomToolStrip1.Enabled = false;
this.mapZoomToolStrip1.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
this.toolsbIdentity
});
this.mapZoomToolStrip1.Location = new System.Drawing.Point(0, 0);
this.mapZoomToolStrip1.MapControl = this.mapBox1;
this.mapZoomToolStrip1.Name = "mapZoomToolStrip1";
this.mapZoomToolStrip1.Size = new System.Drawing.Size(580, 25);
this.mapZoomToolStrip1.TabIndex = 2;
this.mapZoomToolStrip1.Text = "mapZoomToolStrip1";
//
// toolsbIdentity
//
this.toolsbIdentity.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.Image;
this.toolsbIdentity.Image = ((System.Drawing.Image)(resources.GetObject("identify")));
this.toolsbIdentity.ImageTransparentColor = System.Drawing.Color.Magenta;
this.toolsbIdentity.Name = "toolsbIdentity";
this.toolsbIdentity.Size = new System.Drawing.Size(23, 22);
this.toolsbIdentity.Text = "查询";
this.toolsbIdentity.Click += new System.EventHandler(this.toolsbIdentity_Click);
this.Controls.Add(this.mapZoomToolStrip1);
this.Controls.Add(this.mapBox1);
this.mapZoomToolStrip1.ResumeLayout(false);
this.mapZoomToolStrip1.PerformLayout();
this.mapBox1.Map.Layers.Clear();
SharpMap.Layers.VectorLayer vlayer = new SharpMap.Layers.VectorLayer("states");
string start = Application.StartupPath;
string path = @"D:\workspace\Code\2016\ExcelReader\ExcelReader\bin\Debug\tmp.shp";
vlayer.DataSource = new SharpMap.Data.Providers.ShapeFile(path);
vlayer.Style.Fill = new SolidBrush(Color.GreenYellow);
vlayer.Style.Outline = System.Drawing.Pens.Gray;
vlayer.Style.EnableOutline = true;
mapBox1.Map.Layers.Add(vlayer);
SharpMap.Layers.LabelLayer labelLayer = new LabelLayer("label");
labelLayer.DataSource = vlayer.DataSource;
labelLayer.Enabled = true;
labelLayer.LabelColumn = "mapNo";
labelLayer.Style = new SharpMap.Styles.LabelStyle();
labelLayer.Style.ForeColor = Color.Black;
labelLayer.Style.Font = new System.Drawing.Font(FontFamily.GenericSerif, 13);
labelLayer.Style.Offset = new PointF(3, 3);
labelLayer.Style.Halo = new Pen(Color.Yellow, 2);
labelLayer.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAlias;
labelLayer.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
labelLayer.LabelFilter = SharpMap.Rendering.LabelCollisionDetection.ThoroughCollisionDetection;
labelLayer.Style.CollisionDetection = true;
labelLayer.MaxVisible = 200000;
mapBox1.Map.Layers.Add(labelLayer);
mapBox1.Map.ZoomToExtents();
mapBox1.Refresh();
}
/// <summary>
/// Find a LabelSource node in the layer tree which uses the
/// specified table, and select that node. If there are no
/// LabelSources that use the specified table, ask the user
/// whether a LabelSource should be added to the map.
/// </summary>
/// <param name="sourceTable">
/// A table which may or may not be labeled currently</param>
/// <param name="currentLabelSource">
/// If null is passed, we will select the first LabelSource we find
/// that uses the specified table; if currentLabelSource is not
/// null, we will search for the next LabelSource that uses
/// the same table.
/// </param>
private void SelectNextLabelSource(
Table sourceTable, LabelSource currentLabelSource)
{
LabelSource matchingLabelSource =
LocateNextLabelSource(_lc.Map, sourceTable, currentLabelSource, true);
if (matchingLabelSource != null)
{
// There is at least one LabelSource found that uses
// the specified table.
if (_lc.ContextMenuTargetObject == matchingLabelSource)
{
// The user right-clicked on a LabelSource in the tree,
// and the only LabelSource that we found is the
// same one the user right-clicked. So we failed
// to find a Next LabelSource.
MapInfo.Windows.MessageBox.Show(
"There are no more label sources based on the table:\n\n"
+ sourceTable.TableInfo.Description);
}
else
{
// We found an appropriate match; select its tree node.
_lc.SelectedObject = matchingLabelSource;
}
}
else
{
// There are NO LabelSource nodes that use the specified table.
// The user must have right-clicked a FeatureLayer node
// and then clicked Find Labels, but we could not find any.
// Ask the user if we should create a new LabelSource.
MessageBoxButtons buttons = MessageBoxButtons.YesNo;
DialogResult dr = MessageBox.Show(
null,
"There are no labels for the selected layer: \n\n"
+ sourceTable.TableInfo.Description + "\n\n"
+ "Do you want to create a new label source?",
"No Labels Found", buttons);
if (dr == DialogResult.Yes)
{
if (_firstLabelLayer == null)
{
// There are NO LabelLayers in the map; build one.
_firstLabelLayer = new LabelLayer("Label Layer");
_lc.Map.Layers.Insert(0, _firstLabelLayer);
}
LabelSource newSource = new LabelSource(sourceTable);
if (sourceTable.TableInfo.TableType == TableType.Wms ||
sourceTable.TableInfo.TableType == TableType.Grid ||
sourceTable.TableInfo.TableType == TableType.Raster)
{
// For a Raster Image layer, just label with the layer name.
newSource.DefaultLabelProperties.Caption =
"'" + sourceTable.TableInfo.Description + "'";
}
_firstLabelLayer.Sources.Append(newSource);
if (!_lc.UpdateWhenCollectionChanges)
{
// The LayerControl is currently configured to NOT update
// automatically when a new node is added to the tree;
// so we will force the LayerTree to regenerate, so that
// the new LabelSource node appears.
Map map = _lc.Map;
_lc.Map = null;
_lc.Map = map;
}
_lc.SelectedObject = newSource;
}
}
}
public static List <IFeature> RenderStackedLabelLayer(IViewport viewport, LabelLayer layer)
{
var renderedFeatures = new List <IFeature> ();
var canvas = new CALayer();
canvas.Opacity = (float)layer.Opacity;
//todo: take into account the priority
var features = layer.GetFeaturesInView(viewport.Extent, viewport.Resolution);
var margin = viewport.Resolution * 50;
if (layer.Style != null)
{
var clusters = new List <Cluster>();
//todo: repeat until there are no more merges
ClusterFeatures(clusters, features, margin, layer.Style, viewport.Resolution);
foreach (var cluster in clusters)
{
var feature = cluster.Features.OrderBy(f => f.Geometry.GetBoundingBox().GetCentroid().Y).FirstOrDefault();
//SetFeatureOutline (feature, layer.Name, cluster.Features.Count);
//var bb = RenderBox(cluster.Box, viewport);
//Zorg dat dit ALTIJD decimal zelfde ISet als ViewChanged is
//var feature = cluster.Features.FirstOrDefault ();
var styles = feature.Styles ?? Enumerable.Empty <IStyle>();
foreach (var style in styles)
{
if (feature.Styles != null && style.Enabled)
{
var styleKey = layer.Name; //feature.GetHashCode ().ToString ();
var renderedGeometry = (feature[styleKey] != null) ? (CALayer)feature[styleKey] : null;
var labelText = layer.GetLabelText(feature);
if (renderedGeometry == null)
{
//Mapsui.Geometries.Point point, Offset stackOffset, LabelStyle style, IFeature feature, IViewport viewport, string text)
renderedGeometry = RenderLabel(feature.Geometry as Mapsui.Geometries.Point,
style as LabelStyle, feature, viewport, labelText);
feature [styleKey] = renderedGeometry;
feature ["first"] = true;
}
else
{
feature ["first"] = false;
}
}
}
renderedFeatures.Add(feature);
/*
* Offset stackOffset = null;
*
* foreach (var feature in cluster.Features.OrderBy(f => f.Geometry.GetBoundingBox().GetCentroid().Y))
* {
* if (layerStyle is IThemeStyle) style = (layerStyle as IThemeStyle).GetStyle(feature);
* if ((style == null) || (style.Enabled == false) || (style.MinVisible > viewport.Resolution) || (style.MaxVisible < viewport.Resolution)) continue;
*
* if (stackOffset == null) //first time
* {
* stackOffset = new Offset();
* if (cluster.Features.Count > 1)
* canvas.AddSublayer (RenderBox(cluster.Box, viewport));
* }
* else stackOffset.Y += 18; //todo: get size from text, (or just pass stack nr)
*
* if (!(style is LabelStyle)) throw new Exception("Style of label is not a LabelStyle");
* var labelStyle = style as LabelStyle;
* string labelText = layer.GetLabel(feature);
* var position = new Mapsui.Geometries.Point(cluster.Box.GetCentroid().X, cluster.Box.Bottom);
* canvas.AddSublayer(RenderLabel(position, stackOffset, labelStyle, feature, viewport, labelText));
* }
*/
}
}
return(renderedFeatures);
}
/// <summary>
/// Find a LabelSource in the map which uses the
/// specified table, and return it, or return null
/// if no suitable LabelSource exists.
/// </summary>
/// <param name="map">The Map object to search</param>
/// <param name="sourceTable">
/// A table which may or may not be labeled currently</param>
/// <param name="currentLabelSource">
/// If null is passed, we will return the first LabelSource we find
/// that uses the specified table; if currentLabelSource is not
/// null, we will search for the next LabelSource that uses
/// the same table.
/// </param>
/// <param name="wrapAround">true if you want a "find next" search
/// to wrap around to the beginning of the layer tree, if necessary,
/// to find the next LabelSource; false if you do not the search to wrap.
/// </param>
/// <returns>A LabelSource object (which may be identical to
/// the currentLabelSource param, e.g. if the currentLabelSource
/// param represents the only LabelSource in the map); or null if
/// the map does not contain any LabelSource based on the specified table.
/// </returns>
private LabelSource LocateNextLabelSource(
Map map, Table sourceTable, LabelSource currentLabelSource, bool wrapAround)
{
// Get a collection of all LabelLayers in the map
FilterByLayerType labelLayerFilter =
new FilterByLayerType(LayerType.Label);
MapLayerEnumerator mapLayerEnum =
map.Layers.GetMapLayerEnumerator(
labelLayerFilter, MapLayerEnumeratorOptions.Recurse);
_firstLabelLayer = null;
LabelSource matchingLabelSource = null;
LabelSource firstMatchingLabelSource = null;
bool bPassedCurrentLabelSource = false;
// Given the set of all LabelLayers in the layer tree,
// search each LabelLayer to try to find a LabelSource
// child node that is based on the specified table
// (the sourceTable param).
// OR: If a non-null currentLabelSource param
// was passed in, then it represents an existing
// LabelSource, and our job is to find the NEXT
// LabelSource that uses the same table.
foreach (LabelLayer ll in mapLayerEnum)
{
if (_firstLabelLayer == null)
{
// Make a note of the first LabelLayer we find;
// later, if we decide to create a new LabelSource,
// it will go into this first LabelLayer.
_firstLabelLayer = ll;
}
// Look through this LabelLayer's collection of LabelSources
foreach (LabelSource lblSource in ll.Sources)
{
if (lblSource.Table == sourceTable)
{
// This LabelSource uses the correct table
if (firstMatchingLabelSource == null)
{
// We found our first match, so make a note of it,
// even though it may not be ideal (i.e. it may not
// be the "next" LabelSource that was requested).
firstMatchingLabelSource = lblSource;
}
// Now determine whether this match is an ideal match.
// We may have been passed a LabelSource, and asked
// to find the "next" LabelSource. So we may need
// to skip over the current LabelSource if it's
// the same as the LabelSource that was passed in.
if (currentLabelSource != null &&
!bPassedCurrentLabelSource)
{
// We WERE asked to find the "next" LabelSource,
// which means that our first task is to find
// the LabelSource that the user right-clicked.
// But according to the flag, we have not yet
// looped past the currently-selected LabelSource.
// So we will continue the loop instead of
// assigning matchingLabelSource.
if (lblSource == currentLabelSource)
{
// We were asked to find the next LabelSource,
// and this LabelSource is the same one that
// was passed in. In this case, just set the
// flag, so that the next match will be used.
bPassedCurrentLabelSource = true;
}
continue;
}
// We found a LabelSource that is a perfect match.
matchingLabelSource = lblSource;
break;
}
} // This ends the "for each LabelSource in this LabelLayer" loop
if (matchingLabelSource != null)
{
// We found an ideal match, so we can skip searching
// the other LabelLayers. Break the outer foreach loop:
break;
}
} // This ends the "for each LabelLayer" loop
if (matchingLabelSource == null)
{
// We end up here if we did not find an ideal match; for
// example, if we were asked to find the "next" node, and
// we did not find a next matching node, but we did find a
// previous matching node, we end up here.
// At this point, since we did not find a perfect match,
// we will consider a less-than-perfect match.
if (wrapAround)
{
// Wrapping is On, meaning that when we search for
// the next LabelSource, we should wrap around to the top of
// the layer list, if necessary
matchingLabelSource = firstMatchingLabelSource;
}
else
{
// Wrap is Off, meaning: if we did not find a Next LabelSource,
// return the LabelSource that was originally specified,
// which will tell the caller, "there IS no Next LabelSource."
matchingLabelSource = currentLabelSource;
}
}
return(matchingLabelSource);
}
private static Map InitializeMapWithSymbolizerLayers(float angle)
{
//Initialize a new map of size 'imagesize'
Map map = new Map();
//Set up the countries layer
var layCountries = new SharpMap.Layers.Symbolizer.PolygonalVectorLayer(
"Countries",
new ShapeFile("GeoData/World/countries.shp", true),
new BasicPolygonSymbolizer {
Fill = new SolidBrush(Color.Green), Outline = Pens.Black,
}
)
{
SRID = 4326
};
//Set up a river layer
var symbolizer = new CachedLineSymbolizer();
symbolizer.LineSymbolizeHandlers.AddRange(new [] {
new PlainLineSymbolizeHandler {
Line = new Pen(Color.Blue, 3)
{
LineJoin = LineJoin.Round
}
},
new PlainLineSymbolizeHandler {
Line = new Pen(Color.Aqua, 1)
},
});
var layRivers = new SharpMap.Layers.Symbolizer.LinealVectorLayer("Rivers")
{
//Set the datasource to a shapefile in the App_data folder
DataSource = new ShapeFile("GeoData/World/rivers.shp", true),
//Define a blue 2px wide pen
Symbolizer = symbolizer,
SRID = 4326
};
//Set up a cities layer
var layCities = new SharpMap.Layers.Symbolizer.PuntalVectorLayer("Cities")
{
//Set the datasource to a shapefile in the App_data folder
DataSource = new ShapeFile("GeoData/World/cities.shp", true),
Symbolizer = new RasterPointSymbolizer()
{
Scale = 0.8f
},
MaxVisible = 40
};
//Set up a country label layer
var layLabel = new LabelLayer("Country labels")
{
DataSource = layCountries.DataSource,
Enabled = true,
LabelColumn = "Name",
Style =
new LabelStyle
{
ForeColor = Color.White,
Font = new Font(FontFamily.GenericSerif, 12),
BackColor = new SolidBrush(Color.FromArgb(128, 255, 0, 0)),
HorizontalAlignment = LabelStyle.HorizontalAlignmentEnum.Center
},
MaxVisible = 90,
MinVisible = 30,
SRID = 4326,
MultipartGeometryBehaviour = LabelLayer.MultipartGeometryBehaviourEnum.Largest,
};
//Set up a city label layer
var layCityLabel = new LabelLayer("City labels")
{
DataSource = layCities.DataSource,
Enabled = true,
LabelColumn = "Name",
TextRenderingHint = TextRenderingHint.AntiAlias,
SmoothingMode = SmoothingMode.AntiAlias,
SRID = 4326,
LabelFilter = LabelCollisionDetection.ThoroughCollisionDetection,
Style =
new LabelStyle
{
ForeColor = Color.Black,
Font = new Font(FontFamily.GenericSerif, 11),
HorizontalAlignment = LabelStyle.HorizontalAlignmentEnum.Left,
VerticalAlignment = LabelStyle.VerticalAlignmentEnum.Bottom,
Offset = new PointF(3, 3),
CollisionDetection = true,
Halo = new Pen(Color.Yellow, 2)
},
MaxVisible = layLabel.MinVisible,
};
//Setup River label
var layRiverLabel = new LabelLayer("River labels")
{
DataSource = layRivers.DataSource,
Enabled = true,
LabelColumn = "Name",
TextRenderingHint = TextRenderingHint.AntiAlias,
SmoothingMode = SmoothingMode.AntiAlias,
SRID = 4326,
LabelFilter = LabelCollisionDetection.ThoroughCollisionDetection,
MultipartGeometryBehaviour = LabelLayer.MultipartGeometryBehaviourEnum.All,
Style =
new LabelStyle
{
ForeColor = Color.DarkBlue,
Font = new Font(FontFamily.GenericSansSerif, 11),
HorizontalAlignment = LabelStyle.HorizontalAlignmentEnum.Center,
VerticalAlignment = LabelStyle.VerticalAlignmentEnum.Middle,
//CollisionDetection = true,
Halo = new Pen(Color.Azure, 2),
IgnoreLength = true
},
};
//Add the layers to the map object.
//The order we add them in are the order they are drawn, so we add the rivers last to put them on top
map.Layers.Add(layCountries);
map.Layers.Add(layRivers);
map.Layers.Add(layCities);
map.Layers.Add(layRiverLabel);
map.Layers.Add(layLabel);
map.Layers.Add(layCityLabel);
//limit the zoom to 360 degrees width
map.MaximumZoom = 360;
map.BackColor = Color.LightBlue;
map.Zoom = 360;
map.Center = new Point(0, 0);
Matrix mat = new Matrix();
mat.RotateAt(angle, map.WorldToImage(map.Center));
map.MapTransform = mat;
return(map);
}
private void _InitialLayers()
{
m_layers = new Dictionary <string, TileLayer>();
TileAsyncLayer bingLayer = new TileAsyncLayer(new BingTileSource(BingRequest.UrlBing, "", BingMapType.Aerial), "TileLayer - Bing");
//TileAsyncLayer googleLayer = new TileAsyncLayer(new BingTileSource(BingRequest.UrlBing, "", BingMapType.Roads), "TileLayer - Bing");
TileAsyncLayer googleLayer = new TileAsyncLayer(new GoogleTileSource(new GoogleRequest(GoogleMapType.GoogleMap), new BruTile.Cache.MemoryCache <byte[]>(100, 1000)), "TileLayer-Google");
//TileAsyncLayer bingLayer = new TileAsyncLayer(new GoogleTileSource(new GoogleRequest(GoogleMapType.GoogleSatellite), new BruTile.Cache.MemoryCache<byte[]>(100, 1000)), "Satellite-Google");
TileAsyncLayer hybrid = new TileAsyncLayer(new BingTileSource(BingRequest.UrlBing, "", BingMapType.Hybrid), "TileLayer - Bing Hybrid");
m_layers.Add("Bing", bingLayer);
m_layers.Add("Google", googleLayer);
m_layers.Add("Hybrid", hybrid);
//Marker layer
markerLayer = new VectorLayer("Fixed Marker");
markerLayer.Style.Symbol = GISAppDemo.Properties.Resources.OutfallSmall;
markerLayer.DataSource = markerProvider;
Color tRed = Color.FromArgb(50, Color.Red);
markerLayer.Style.Fill = new SolidBrush(tRed);
//output layer
outputLayer = new VectorLayer("Output");
outputLayer.Style.Symbol = GISAppDemo.Properties.Resources.g_arrow;
outputLayer.Style.Line.Color = Color.FromArgb(255, Color.Crimson);
outputLayer.Style.Line.Width = 3.0F;
Color tRed2 = Color.FromArgb(128, Color.Red);
outputLayer.Style.Fill = new SolidBrush(tRed2);
outputLayer.DataSource = outputProvider;
//standard output layer
stdOutputLayer = new VectorLayer("StdOutput");
stdOutputLayer.Style.Symbol = GISAppDemo.Properties.Resources.r_arrow;
stdOutputLayer.Style.Line.Color = Color.FromArgb(85, Color.Red);
stdOutputLayer.Style.Line.Width = 3.0F;
stdOutputLayer.DataSource = stdOutputProvider;
// green point layer
greenPointLayer = new VectorLayer("GreenPoint");
greenPointLayer.Style.PointColor = new SolidBrush(Color.FromArgb(200, Color.Green));
greenPointLayer.Style.PointSize = 6;
greenPointLayer.DataSource = greenPointProvider;
// red point layer
redPointLayer = new VectorLayer("RedPoint");
redPointLayer.Style.PointColor = new SolidBrush(Color.FromArgb(200, Color.Red));
redPointLayer.Style.PointSize = 10;
redPointLayer.DataSource = redPointProvider;
//Shape Layer
shapeLayer = new SharpMap.Layers.VectorLayer("Shape");
shapeLayer.DataSource = new SharpMap.Data.Providers.ShapeFile(shpFileName, true);
//Set fill-style to green
shapeLayer.Style.Fill = new SolidBrush(Color.Green);
//Set the polygons to have a black outline
shapeLayer.Style.Outline = Pens.Black;
//shapeLayer.Style.Line.Color = Color.Navy;
//shapeLayer.Style.Line.Color = Color.FromArgb(200, Color.Gray);
shapeLayer.Style.Line.Color = Color.FromArgb(200, Color.Navy);
shapeLayer.Style.Line.Width = 1;
shapeLayer.Style.PointSize = 2;
shapeLayer.Style.PointColor = new SolidBrush(Color.Blue);
shapeLayer.SRID = 4326;
shapeLayer.CoordinateTransformation = LayerTools.Wgs84toGoogleMercator;
// Shape Layer 2
shapeLayer2 = new SharpMap.Layers.VectorLayer("Shape_2");
shapeLayer2.DataSource = new SharpMap.Data.Providers.ShapeFile(shpFileName, true);
//Set fill-style to green
shapeLayer2.Style.Fill = new SolidBrush(Color.Green);
//Set the polygons to have a black outline
shapeLayer2.Style.Outline = Pens.Black;
//shapeLayer.Style.Line.Color = Color.Navy;
//shapeLayer.Style.Line.Color = Color.FromArgb(200, Color.Gray);
shapeLayer2.Style.Line.Color = Color.FromArgb(200, Color.Navy);
shapeLayer2.Style.Line.Width = 2;
shapeLayer2.Style.PointSize = 5;
shapeLayer2.Style.PointColor = new SolidBrush(Color.FromArgb(200, Color.Green));
shapeLayer2.SRID = 4326;
shapeLayer2.CoordinateTransformation = LayerTools.Wgs84toGoogleMercator;
// Shape Layer 3
shapeLayer3 = new SharpMap.Layers.VectorLayer("Shape_3");
shapeLayer3.DataSource = new SharpMap.Data.Providers.ShapeFile(shpFileName, true);
//Set fill-style to red
shapeLayer3.Style.Fill = new SolidBrush(Color.FromArgb(128, Color.Red));
//Set the polygons to have a black outline
shapeLayer3.Style.Outline = Pens.Black;
shapeLayer3.Style.Line.Color = Color.FromArgb(255, Color.Crimson);
shapeLayer3.Style.Line.Width = 3.0F;
shapeLayer3.Style.PointSize = 5;
shapeLayer3.Style.PointColor = new SolidBrush(Color.Green);
shapeLayer3.SRID = 4326;
shapeLayer3.CoordinateTransformation = LayerTools.Wgs84toGoogleMercator;
//edgeid layer
edgeIdLayer = new LabelLayer("EdgeId");
edgeIdLayer.DataSource = shapeLayer.DataSource;
edgeIdLayer.LabelColumn = "ID";
edgeIdLayer.Style.ForeColor = Color.Navy;
edgeIdLayer.Style.Font = new Font(FontFamily.GenericSerif, 16);
edgeIdLayer.CoordinateTransformation = LayerTools.Wgs84toGoogleMercator;
}
private void mnuAddTheme_Click(object sender, System.EventArgs e)
{
try
{
CreateThemeWizard createTheme = new CreateThemeWizard(mapControl1.Map,this);
_thm = createTheme.CreateTheme("theme1");
MapLayer themedLayer = createTheme.SelectedLayer;
if (themedLayer is FeatureLayer)
{
_themedFeatureLayer = (FeatureLayer)themedLayer;
}
else
{
_themedLabelLayer = (LabelLayer)themedLayer;
}
if (createTheme.WizardResult == WizardStepResult.Done)
{
// Update the controls
//mnuAddTheme.Enabled = false;
mnuRemoveTheme.Enabled = true;
mnuModifyTheme.Enabled = true;
}
}
catch (Exception ex)
{
System.Windows.Forms.MessageBox.Show("Error creating theme: " + ex.Message);
}
}
public static Map InitializeMap(float angle)
{
//Initialize a new map of size 'imagesize'
Map map = new Map();
//Set up the countries layer
VectorLayer layCountries = new VectorLayer("Countries");
//Set the datasource to a shapefile in the App_data folder
layCountries.DataSource = new SpatiaLite(
DataSource, "countries", "geom", "PK_UID");
//Set fill-style to green
layCountries.Style.Fill = new SolidBrush(Color.Green);
//Set the polygons to have a black outline
layCountries.Style.Outline = Pens.Black;
layCountries.Style.EnableOutline = true;
//Set up a river layer
VectorLayer layRivers = new VectorLayer("Rivers");
//Set the datasource to a shapefile in the App_data folder
layRivers.DataSource = new SpatiaLite(
DataSource, "rivers", "geom", "PK_UID");
//Define a blue 3px wide pen
layRivers.Style.Line = new Pen(Color.LightBlue, 2);
layRivers.Style.Line.CompoundArray = new[] { 0.2f, 0.8f };
layRivers.Style.Outline = new Pen(Color.DarkBlue, 3);
layRivers.Style.EnableOutline = true;
//Set up a cities layer
VectorLayer layCities = new VectorLayer("Cities");
//Set the datasource to the spatialite table
layCities.DataSource = new SpatiaLite(
DataSource, "cities", "geom", "PK_UID");
layCities.Style.SymbolScale = 0.8f;
layCities.MaxVisible = 40;
//Set up a country label layer
LabelLayer layLabel = new LabelLayer("Country labels")
{
DataSource = layCountries.DataSource,
LabelColumn = "NAME",
MultipartGeometryBehaviour = LabelLayer.MultipartGeometryBehaviourEnum.Largest,
LabelFilter = LabelCollisionDetection.ThoroughCollisionDetection,
PriorityColumn = "POPDENS",
Style = new LabelStyle
{
ForeColor = Color.White,
Font = new Font(FontFamily.GenericSerif, 12),
BackColor = new SolidBrush(Color.FromArgb(128, 255, 0, 0)),
HorizontalAlignment = LabelStyle.HorizontalAlignmentEnum.Center,
MaxVisible = 90,
MinVisible = 30,
CollisionDetection = true
}
};
//Set up a city label layer
LabelLayer layCityLabel = new LabelLayer("City labels")
{
DataSource = layCities.DataSource,
LabelColumn = "name",
PriorityColumn = "population",
PriorityDelegate = delegate(IFeature fdr)
{
Int32 retVal = 10000000 * ((String)fdr.Attributes["capital"] == "Y" ? 1 : 0);
return(retVal + Convert.ToInt32(fdr.Attributes["population"]));
},
TextRenderingHint = TextRendering.AntiAlias,
SmoothingMode = Smoothing.AntiAlias,
LabelFilter = LabelCollisionDetection.ThoroughCollisionDetection,
Style = new LabelStyle
{
ForeColor = Color.Black,
Font = new Font(FontFamily.GenericSerif, 11),
MaxVisible = layLabel.MinVisible,
HorizontalAlignment = LabelStyle.HorizontalAlignmentEnum.Left,
VerticalAlignment = LabelStyle.VerticalAlignmentEnum.Bottom,
Offset = new PointF(3, 3),
Halo = new Pen(Color.Yellow, 2),
CollisionDetection = true
}
};
LabelLayer layRiverLabels = new LabelLayer("RiverLabels");
layRiverLabels.DataSource = layRivers.DataSource;
layRiverLabels.LabelColumn = "Name";
layRiverLabels.PriorityDelegate = GetRiverLength;
layRiverLabels.Style = new LabelStyle
{
Font = new Font("Arial", 10, FontStyle.Bold),
Halo = new Pen(Color.Azure, 2),
ForeColor = Color.DarkCyan,
IgnoreLength = true,
Enabled = true,
CollisionDetection = true,
};
layRiverLabels.LabelFilter = LabelCollisionDetection.ThoroughCollisionDetection;
//Add the layers to the map object.
//The order we add them in are the order they are drawn, so we add the rivers last to put them on top
map.Layers.Add(layCountries);
map.Layers.Add(layRivers);
map.Layers.Add(layCities);
map.Layers.Add(layRiverLabels);
map.Layers.Add(layLabel);
map.Layers.Add(layCityLabel);
//limit the zoom to 360 degrees width
map.MaximumZoom = 360;
map.BackColor = Color.LightBlue;
map.ZoomToExtents(); // = 360;
Matrix mat = new Matrix();
mat.RotateAt(angle, map.WorldToImage(map.Center));
map.MapTransform = mat;
return(map);
}
private void SetupMap()
{
lifelines = new FeatureDataTable();
lifelines.Columns.Add("MapLifeLine", typeof(MapLifeLine));
lifelines.Columns.Add("LineCap", typeof(string));
lifelines.Columns.Add("Label", typeof(string));
lifelines.Columns.Add("ViewPort", typeof(Envelope));
GeometryFeatureProvider lifelinesGFP = new GeometryFeatureProvider(lifelines);
VectorStyle linestyle = new VectorStyle
{
Line = new Pen(Color.Green, 2f)
};
linestyle.Line.MiterLimit = 0;
linesLayer = new VectorLayer("LifeLines")
{
DataSource = lifelinesGFP,
Style = linestyle
};
Dictionary <string, IStyle> styles = new Dictionary <string, IStyle>();
VectorStyle line = new VectorStyle
{
PointColor = new SolidBrush(Color.Green),
PointSize = 2
};
styles.Add(MapLifeLine.LINE, line);
VectorStyle startPoint = new VectorStyle
{
PointColor = new SolidBrush(Color.Green),
PointSize = 2,
Symbol = Image.FromFile(Path.Combine(Application.StartupPath, @"Resources\Icons\arrow-right.png"))
};
styles.Add(MapLifeLine.START, startPoint);
VectorStyle endPoint = new VectorStyle
{
PointColor = new SolidBrush(Color.Green),
PointSize = 2,
Symbol = Image.FromFile(Path.Combine(Application.StartupPath, @"Resources\Icons\arrow-left.png"))
};
styles.Add(MapLifeLine.END, endPoint);
linesLayer.Theme = new SharpMap.Rendering.Thematics.UniqueValuesTheme <string>("LineCap", styles, line);
mapBox1.Map.Layers.Add(linesLayer);
labelLayer = new LabelLayer("Label")
{
DataSource = lifelinesGFP,
Enabled = true,
//Specifiy field that contains the label string.
LabelColumn = "Label",
TextRenderingHint = TextRenderingHint.AntiAlias,
SmoothingMode = SmoothingMode.AntiAlias
};
LabelStyle style = new LabelStyle
{
ForeColor = Color.Black,
Font = new Font(FontFamily.GenericSerif, 14, FontStyle.Bold),
HorizontalAlignment = LabelStyle.HorizontalAlignmentEnum.Center,
VerticalAlignment = LabelStyle.VerticalAlignmentEnum.Bottom,
CollisionDetection = true,
Offset = new PointF(0, 25),
Halo = new Pen(Color.Yellow, 3)
};
labelLayer.Style = style;
mapBox1.Map.Layers.Add(labelLayer);
points = new TearDropLayer("Points");
mapBox1.Map.Layers.Add(points);
selections = new TearDropLayer("Selections");
mapBox1.Map.VariableLayers.Add(selections);
mh.AddParishLayers(mapBox1.Map);
mh.SetScaleBar(mapBox1);
mapBox1.Map.MinimumZoom = 500;
mapBox1.Map.MaximumZoom = 50000000;
mapBox1.QueryGrowFactor = 30;
mapBox1.Map.ZoomToExtents();
mapBox1.ActiveTool = SharpMap.Forms.MapBox.Tools.Pan;
}
public static LabelLayer CreateLabelLayer(VectorLayer src, string column)
{
string name = String.Format("{0}:Labels", src.LayerName);
LabelLayer layer = new LabelLayer(name);
layer.DataSource = src.DataSource;
layer.LabelColumn = column;
layer.Style.CollisionDetection = true;
layer.Style.CollisionBuffer = new SizeF(10F, 10F);
layer.LabelFilter = LabelCollisionDetection.ThoroughCollisionDetection;
layer.Style.Offset = new PointF(0, -5F);
layer.MultipartGeometryBehaviour = LabelLayer.MultipartGeometryBehaviourEnum.CommonCenter;
layer.Style.Font = new Font(FontFamily.GenericSansSerif, 12);
layer.MaxVisible = src.MaxVisible;
layer.MinVisible = src.MinVisible;
layer.Style.Halo = new Pen(Color.White, 2);
layer.SmoothingMode = SmoothingMode.HighQuality;
layer.CoordinateTransformation = src.CoordinateTransformation;
return layer;
}
public static Map InitializeMap(float angle)
{
try
{
// WARNING
// This sample needs the GeoServer WFS running on your local machine.
// It uses the GeoServer default sample data. Installing and starting it is all you need to do
// http://docs.codehaus.org/display/GEOS/Download
// Sample by Peter Robineau
const string getCapabilitiesURI = "http://localhost:8080/geoserver/wfs";
const string serviceURI = "http://localhost:8080/geoserver/wfs";
Map map = new Map(new Size(600, 600));
map.MinimumZoom = 0.005;
map.BackColor = Color.White;
VectorLayer layer1 = new VectorLayer("States");
VectorLayer layer2 = new VectorLayer("SelectedStatesAndHousholds");
VectorLayer layer3 = new VectorLayer("New Jersey");
VectorLayer layer4 = new VectorLayer("Roads");
VectorLayer layer5 = new VectorLayer("Landmarks");
VectorLayer layer6 = new VectorLayer("Poi");
// Demo data from Geoserver 1.5.3 and Geoserver 1.6.0
WFS prov1 = new WFS(getCapabilitiesURI, "topp", "states", WFS.WFSVersionEnum.WFS1_0_0);
// Bypass 'GetCapabilities' and 'DescribeFeatureType', if you know all necessary metadata.
WfsFeatureTypeInfo featureTypeInfo = new WfsFeatureTypeInfo(serviceURI, "topp", null, "states",
"the_geom");
// 'WFS.WFSVersionEnum.WFS1_1_0' supported by Geoserver 1.6.x
WFS prov2 = new WFS(featureTypeInfo, WFS.WFSVersionEnum.WFS1_1_0);
// Bypass 'GetCapabilities' and 'DescribeFeatureType' again...
// It's possible to specify the geometry type, if 'DescribeFeatureType' does not...(.e.g 'GeometryAssociationType')
// This helps to accelerate the initialization process in case of unprecise geometry information.
WFS prov3 = new WFS(serviceURI, "topp", "http://www.openplans.org/topp", "states", "the_geom",
GeometryTypeEnum.MultiSurfacePropertyType, WFS.WFSVersionEnum.WFS1_1_0);
// Get data-filled FeatureTypeInfo after initialization of dataprovider (useful in Web Applications for caching metadata.
WfsFeatureTypeInfo info = prov1.FeatureTypeInfo;
// Use cached 'GetCapabilities' response of prov1 (featuretype hosted by same service).
// Compiled XPath expressions are re-used automatically!
// If you use a cached 'GetCapabilities' response make sure the data provider uses the same version of WFS as the one providing the cache!!!
WFS prov4 = new WFS(prov1.GetCapabilitiesCache, "tiger", "tiger_roads", WFS.WFSVersionEnum.WFS1_0_0);
WFS prov5 = new WFS(prov1.GetCapabilitiesCache, "tiger", "poly_landmarks", WFS.WFSVersionEnum.WFS1_0_0);
WFS prov6 = new WFS(prov1.GetCapabilitiesCache, "tiger", "poi", WFS.WFSVersionEnum.WFS1_0_0);
// Clear cache of prov1 - data providers do not have any cache, if they use the one of another data provider
prov1.GetCapabilitiesCache = null;
//Filters
IFilter filter1 = new PropertyIsEqualToFilter_FE1_1_0("STATE_NAME", "California");
IFilter filter2 = new PropertyIsEqualToFilter_FE1_1_0("STATE_NAME", "Vermont");
IFilter filter3 = new PropertyIsBetweenFilter_FE1_1_0("HOUSHOLD", "600000", "4000000");
IFilter filter4 = new PropertyIsLikeFilter_FE1_1_0("STATE_NAME", "New*");
// SelectedStatesAndHousholds: Green
OGCFilterCollection filterCollection1 = new OGCFilterCollection();
filterCollection1.AddFilter(filter1);
filterCollection1.AddFilter(filter2);
OGCFilterCollection filterCollection2 = new OGCFilterCollection();
filterCollection2.AddFilter(filter3);
filterCollection1.AddFilterCollection(filterCollection2);
filterCollection1.Junctor = OGCFilterCollection.JunctorEnum.Or;
prov2.OGCFilter = filterCollection1;
// Like-Filter('New*'): Bisque
prov3.OGCFilter = filter4;
// Layer Style
layer1.Style.Fill = new SolidBrush(Color.IndianRed); // States
layer2.Style.Fill = new SolidBrush(Color.Green); // SelectedStatesAndHousholds
layer3.Style.Fill = new SolidBrush(Color.Bisque); // e.g. New York, New Jersey,...
layer5.Style.Fill = new SolidBrush(Color.LightBlue);
// Labels
// Labels are collected when parsing the geometry. So there's just one 'GetFeatureByOid' call necessary.
// Otherwise (when calling twice for retrieving labels) there may be an inconsistent read...
// If a label property is set, the quick geometry option is automatically set to 'false'.
prov3.Label = "STATE_NAME";
LabelLayer layLabel = new LabelLayer("labels");
layLabel.DataSource = prov3;
layLabel.Enabled = true;
layLabel.LabelColumn = prov3.Label;
layLabel.Style = new LabelStyle();
layLabel.Style.CollisionDetection = false;
layLabel.Style.CollisionBuffer = new SizeF(5, 5);
layLabel.Style.ForeColor = Color.Black;
layLabel.Style.Font = new Font(FontFamily.GenericSerif, 10);
layLabel.MaxVisible = 90;
layLabel.Style.HorizontalAlignment = LabelStyle.HorizontalAlignmentEnum.Center;
// Options
// Defaults: MultiGeometries: true, QuickGeometries: false, GetFeatureGETRequest: false
// Render with validation...
prov1.QuickGeometries = false;
// Important when connecting to an UMN MapServer
prov1.GetFeatureGETRequest = true;
// Ignore multi-geometries...
prov1.MultiGeometries = false;
// Quick geometries
// We need this option for prov2 since we have not passed a featuretype namespace
prov2.QuickGeometries = true;
prov4.QuickGeometries = true;
prov5.QuickGeometries = true;
prov6.QuickGeometries = true;
layer1.DataSource = prov1;
layer2.DataSource = prov2;
layer3.DataSource = prov3;
layer4.DataSource = prov4;
layer5.DataSource = prov5;
layer6.DataSource = prov6;
map.Layers.Add(layer1);
map.Layers.Add(layer2);
map.Layers.Add(layer3);
map.Layers.Add(layer4);
map.Layers.Add(layer5);
map.Layers.Add(layer6);
map.Layers.Add(layLabel);
map.Center = new Point(-74.0, 40.7);
map.Zoom = 10;
// Alternatively zoom closer
// demoMap.Zoom = 0.2;
Matrix mat = new Matrix();
mat.RotateAt(angle, map.WorldToImage(map.Center));
map.MapTransform = mat;
return(map);
}
catch (WebException ex)
{
if ((ex.Message.Contains("(502) Bad Gateway")) ||
(ex.Message.Contains("Unable to connect to the remote server")))
{
throw new Exception(
"The Wfs sample threw an exception. You probably need to install the GeoServer WFS to your local machine. You can get it from here: http://docs.codehaus.org/display/GEOS/Download. The exception message was: " +
ex.Message);
}
else
{
throw;
}
}
}
//初始化地图，更换地图
private void InitMap(MapFile mapFile)
{
currentMap = mapFile;
if (preMap == mapFile.File)
{
return;
}
mapControl.Map.Clear();
mapControl.Map.Load(MapInfo.Mapping.MapLoader.CreateFromFile(mapFile.File));
mapControlOver.Map.Load(MapInfo.Mapping.MapLoader.CreateFromFile(mapFile.File));
initZoom = mapControl.Map.Zoom;
initCenter = mapControl.Map.Bounds.Center();
ClearDistanceLayer();
preMap = mapFile.File;
comboBoxLayers.Items.Clear();
listBoxLayerPlace.Items.Clear();
for (int i = 1; i < mapControl.Map.Layers.Count; i++)
{
if (mapControl.Map.Layers[i].Name != "Watching" && mapControl.Map.Layers[i].Name != "Place" &&
mapControl.Map.Layers[i].Name != "HisPos" && mapControl.Map.Layers[i].Name != "HisLine" &&
mapControl.Map.Layers[i].Name != "HisAlarm" && mapControl.Map.Layers[i].Name != "Alarm" &&
mapControl.Map.Layers[i].Name != "DisLine" && mapControl.Map.Layers[i].Name != "Temp" &&
mapControl.Map.Layers[i].Name != "HisPlayPos" && mapControl.Map.Layers[i].Name != "HisPlayLine" &&
mapControl.Map.Layers[i].Name != "Watching_L" && mapControl.Map.Layers[i].Name != "Place_L" &&
mapControl.Map.Layers[i].Name != "HisPos_L" && mapControl.Map.Layers[i].Name != "HisAlarm_L" &&
mapControl.Map.Layers[i].Name != "Alarm_L" && mapControl.Map.Layers[i].Name != "HisPlayPos_L" &&
mapControl.Map.Layers[i].Name != "Administrative")
{
comboBoxLayers.Items.Add(mapControl.Map.Layers[i].Name);
}
}
if (comboBoxLayers.Items.Count > 0)
{
comboBoxLayers.SelectedIndex = 0;
}
if (tableWatching == null)
{
//监控点图层
TableInfo ti = TableInfoFactory.CreateTemp("Watching");
ti.Columns.Add(ColumnFactory.CreateStringColumn("ID", 10));
ti.Columns.Add(ColumnFactory.CreateStringColumn("Label", 20));
tableWatching = Session.Current.Catalog.CreateTable(ti);
TextStyle ts = new TextStyle();
ts.Font.Size = 8;
ts.Font.FontWeight = FontWeight.Bold;
ts.Font.ForeColor = Color.Green;
labLayWatching = new LabelLayer("Watching_L", "Watching_L");
LabelSource source = new LabelSource(tableWatching);
source.DefaultLabelProperties.Caption = "Label";
source.DefaultLabelProperties.Style = ts;
source.DefaultLabelProperties.CalloutLine.Use = false;
source.DefaultLabelProperties.Layout.Alignment = MapInfo.Text.Alignment.CenterRight;
source.DefaultLabelProperties.Layout.Offset = 10;
source.DefaultLabelProperties.Visibility.AllowOverlap = true;
//labLayWatching = (LabelLayer)mapControl.Map.Layers["Watching_L"];
labLayWatching.Sources.Append(source);
//自定义标注点图层
TableInfo ti2 = TableInfoFactory.CreateTemp("Place");
ti2.Columns.Add(ColumnFactory.CreateStringColumn("Label", 20));
tablePlace = Session.Current.Catalog.CreateTable(ti2);
TextStyle ts2 = new TextStyle();
ts2.Font.Size = 8;
ts2.Font.FontWeight = FontWeight.Bold;
ts2.Font.ForeColor = Color.Blue;
labLayPlace = new LabelLayer("Place_L", "Place_L");
LabelSource source2 = new LabelSource(tablePlace);
source2.DefaultLabelProperties.Caption = "Label";
source2.DefaultLabelProperties.Style = ts2;
source2.DefaultLabelProperties.CalloutLine.Use = false;
source2.DefaultLabelProperties.Layout.Alignment = MapInfo.Text.Alignment.CenterRight;
source2.DefaultLabelProperties.Layout.Offset = 10;
source2.DefaultLabelProperties.Visibility.AllowOverlap = false;
//labLayPlace = (LabelLayer)mapControl.Map.Layers["Place_L"];
labLayPlace.Sources.Append(source2);
//历史轨迹点图层
TableInfo ti3 = TableInfoFactory.CreateTemp("HisPos");
ti3.Columns.Add(ColumnFactory.CreateStringColumn("Label", 20));
tableHisPos = Session.Current.Catalog.CreateTable(ti3);
TextStyle ts3 = new TextStyle();
ts3.Font.Size = 8;
ts3.Font.FontWeight = FontWeight.Bold;
ts3.Font.ForeColor = Color.Navy;
labLayHisPos = new LabelLayer("HisPos_L", "HisPos_L");
LabelSource source3 = new LabelSource(tableHisPos);
source3.DefaultLabelProperties.Caption = "Label";
source3.DefaultLabelProperties.Style = ts3;
source3.DefaultLabelProperties.CalloutLine.Use = false;
source3.DefaultLabelProperties.Layout.Alignment = MapInfo.Text.Alignment.CenterRight;
source3.DefaultLabelProperties.Layout.Offset = 10;
source3.DefaultLabelProperties.Visibility.AllowOverlap = false;
//labLayHisPos = (LabelLayer)mapControl.Map.Layers["HisPos_L"];
labLayHisPos.Sources.Append(source3);
//历史轨迹线图层
TableInfo ti4 = TableInfoFactory.CreateTemp("HisLine");
tableHisLine = Session.Current.Catalog.CreateTable(ti4);
//历史报警点图层
TableInfo ti5 = TableInfoFactory.CreateTemp("HisAlarm");
ti5.Columns.Add(ColumnFactory.CreateStringColumn("Label", 20));
tableHisAlarm = Session.Current.Catalog.CreateTable(ti5);
TextStyle ts5 = new TextStyle();
ts5.Font.Size = 8;
ts5.Font.FontWeight = FontWeight.Bold;
ts5.Font.ForeColor = Color.Red;
labLayHisAlarm = new LabelLayer("HisAlarm_L", "HisAlarm_L");
LabelSource source5 = new LabelSource(tableHisAlarm);
source5.DefaultLabelProperties.Caption = "Label";
source5.DefaultLabelProperties.Style = ts5;
source5.DefaultLabelProperties.CalloutLine.Use = false;
source5.DefaultLabelProperties.Layout.Alignment = MapInfo.Text.Alignment.CenterRight;
source5.DefaultLabelProperties.Layout.Offset = 10;
source5.DefaultLabelProperties.Visibility.AllowOverlap = false;
//labLayHisAlarm = (LabelLayer)mapControl.Map.Layers["HisAlarm_L"];
labLayHisAlarm.Sources.Append(source5);
//报警点图层
TableInfo ti6 = TableInfoFactory.CreateTemp("Alarm");
ti6.Columns.Add(ColumnFactory.CreateStringColumn("Label", 20));
tableAlarm = Session.Current.Catalog.CreateTable(ti6);
TextStyle ts6 = new TextStyle();
ts6.Font.Size = 8;
ts6.Font.FontWeight = FontWeight.Bold;
ts6.Font.ForeColor = Color.Red;
labLayAlarm = new LabelLayer("Alarm_L", "Alarm_L");
LabelSource source6 = new LabelSource(tableAlarm);
source6.DefaultLabelProperties.Caption = "Label";
source6.DefaultLabelProperties.Style = ts6;
source6.DefaultLabelProperties.CalloutLine.Use = false;
source6.DefaultLabelProperties.Layout.Alignment = MapInfo.Text.Alignment.CenterRight;
source6.DefaultLabelProperties.Layout.Offset = 10;
source6.DefaultLabelProperties.Visibility.AllowOverlap = false;
//labLayAlarm = (LabelLayer)mapControl.Map.Layers["Alarm_L"];
labLayAlarm.Sources.Append(source6);
//测距线图层
TableInfo ti7 = TableInfoFactory.CreateTemp("DisLine");
tableDisLine = Session.Current.Catalog.CreateTable(ti7);
//临时图层
TableInfo ti8 = TableInfoFactory.CreateTemp("Temp");
tableTemp = Session.Current.Catalog.CreateTable(ti8);
//轨迹回放点图层
TableInfo ti9 = TableInfoFactory.CreateTemp("HisPlayPos");
ti9.Columns.Add(ColumnFactory.CreateStringColumn("Label", 20));
tableHisPlay = Session.Current.Catalog.CreateTable(ti9);
TextStyle ts9 = new TextStyle();
ts9.Font.Size = 8;
ts9.Font.FontWeight = FontWeight.Bold;
ts9.Font.ForeColor = Color.Black;
labLayHisPlayPos = new LabelLayer("HisPlayPos_L", "HisPlayPos_L");
LabelSource source9 = new LabelSource(tableHisPlay);
source9.DefaultLabelProperties.Caption = "Label";
source9.DefaultLabelProperties.Style = ts9;
source9.DefaultLabelProperties.CalloutLine.Use = false;
source9.DefaultLabelProperties.Layout.Alignment = MapInfo.Text.Alignment.CenterRight;
source9.DefaultLabelProperties.Layout.Offset = 10;
source9.DefaultLabelProperties.Visibility.AllowOverlap = false;
labLayHisPlayPos.Sources.Append(source9);
//轨迹回放线图层
TableInfo ti10 = TableInfoFactory.CreateTemp("HisPlayLine");
tableHisPlayLine = Session.Current.Catalog.CreateTable(ti10);
}
FeatureLayer lyr = new FeatureLayer(tableWatching);
mapControl.Map.Layers.Insert(0, lyr);
FeatureLayer lyr2 = new FeatureLayer(tablePlace);
mapControl.Map.Layers.Insert(0, lyr2);
FeatureLayer lyr3 = new FeatureLayer(tableHisPos);
mapControl.Map.Layers.Insert(0, lyr3);
FeatureLayer lyr4 = new FeatureLayer(tableHisLine);
mapControl.Map.Layers.Insert(0, lyr4);
FeatureLayer lyr5 = new FeatureLayer(tableHisAlarm);
mapControl.Map.Layers.Insert(0, lyr5);
FeatureLayer lyr6 = new FeatureLayer(tableAlarm);
mapControl.Map.Layers.Insert(0, lyr6);
FeatureLayer lyr7 = new FeatureLayer(tableDisLine);
mapControl.Map.Layers.Insert(0, lyr7);
FeatureLayer lyr8 = new FeatureLayer(tableTemp);
mapControl.Map.Layers.Insert(0, lyr8);
FeatureLayer lyr9 = new FeatureLayer(tableHisPlay);
mapControl.Map.Layers.Insert(0, lyr9);
FeatureLayer lyr10 = new FeatureLayer(tableHisPlayLine);
mapControl.Map.Layers.Insert(0, lyr10);
//标注图层
mapControl.Map.Layers.Add(labLayWatching);
mapControl.Map.Layers.Add(labLayPlace);
mapControl.Map.Layers.Add(labLayHisPos);
mapControl.Map.Layers.Add(labLayHisAlarm);
mapControl.Map.Layers.Add(labLayAlarm);
mapControl.Map.Layers.Add(labLayHisPlayPos);
}
public static Map InitializeMapOgr(Size size)
{
HttpContext.Current.Trace.Write("Initializing map...");
//Initialize a new map of size 'imagesize'
Map map = new Map(size);
//Set up the countries layer
VectorLayer layCountries = new VectorLayer("Countries");
//Set the datasource to a shapefile in the App_data folder
try
{
layCountries.DataSource =
new Ogr(HttpContext.Current.Server.MapPath(@"~\App_data\MapInfo\countriesMapInfo.tab"));
}
catch (TypeInitializationException ex)
{
if (ex.GetType() == typeof(TypeInitializationException))
{
throw new Exception(
"Please copy the umanaged dll's into your bin folder from javascript:window.location.href='http://www.codeplex.com/SharpMap/Wiki/View.aspx?title=Extensions';.");
}
}
catch (Exception ex)
{
throw;
}
//Set fill-style to green
layCountries.Style.Fill = new SolidBrush(Color.Green);
//Set the polygons to have a black outline
layCountries.Style.Outline = Pens.Black;
layCountries.Style.EnableOutline = true;
layCountries.SRID = 4326;
//Set up a river layer
VectorLayer layRivers = new VectorLayer("Rivers");
//Set the datasource to a shapefile in the App_data folder
layRivers.DataSource = new Ogr(HttpContext.Current.Server.MapPath(@"~\App_data\MapInfo\riversMapInfo.tab"));
//Define a blue 1px wide pen
layRivers.Style.Line = new Pen(Color.Blue, 1);
layRivers.SRID = 4326;
//Set up a river layer
VectorLayer layCities = new VectorLayer("Cities");
//Set the datasource to a shapefile in the App_data folder
layCities.DataSource = new Ogr(HttpContext.Current.Server.MapPath(@"~\App_data\MapInfo\citiesMapInfo.tab"));
//Define a blue 1px wide pen
//layCities.Style.Symbol = new Bitmap(HttpContext.Current.Server.MapPath(@"~\App_data\icon.png"));
layCities.Style.SymbolScale = 0.8f;
layCities.MaxVisible = 40;
layCities.SRID = 4326;
//Set up a country label layer
LabelLayer layLabel = new LabelLayer("Country labels");
layLabel.DataSource = layCountries.DataSource;
layLabel.Enabled = true;
layLabel.LabelColumn = "Name";
layLabel.Style = new LabelStyle();
layLabel.Style.ForeColor = Color.White;
layLabel.Style.Font = new Font(FontFamily.GenericSerif, 12);
layLabel.Style.BackColor = new SolidBrush(Color.FromArgb(128, 255, 0, 0));
layLabel.MaxVisible = 90;
layLabel.MinVisible = 30;
layLabel.Style.HorizontalAlignment = LabelStyle.HorizontalAlignmentEnum.Center;
layLabel.SRID = 4326;
layLabel.MultipartGeometryBehaviour = LabelLayer.MultipartGeometryBehaviourEnum.Largest;
//Set up a city label layer
LabelLayer layCityLabel = new LabelLayer("City labels");
layCityLabel.DataSource = layCities.DataSource;
layCityLabel.Enabled = true;
layCityLabel.LabelColumn = "Name";
layCityLabel.Style = new LabelStyle();
layCityLabel.Style.ForeColor = Color.Black;
layCityLabel.Style.Font = new Font(FontFamily.GenericSerif, 11);
layCityLabel.MaxVisible = layLabel.MinVisible;
layCityLabel.Style.HorizontalAlignment = LabelStyle.HorizontalAlignmentEnum.Left;
layCityLabel.Style.VerticalAlignment = LabelStyle.VerticalAlignmentEnum.Bottom;
layCityLabel.Style.Offset = new PointF(3, 3);
layCityLabel.Style.Halo = new Pen(Color.Yellow, 2);
layCityLabel.TextRenderingHint = TextRenderingHint.AntiAlias;
layCityLabel.SmoothingMode = SmoothingMode.AntiAlias;
layCityLabel.SRID = 4326;
layCityLabel.LabelFilter = LabelCollisionDetection.ThoroughCollisionDetection;
layCityLabel.Style.CollisionDetection = true;
//Add the layers to the map object.
//The order we add them in are the order they are drawn, so we add the rivers last to put them on top
map.Layers.Add(layCountries);
map.Layers.Add(layRivers);
map.Layers.Add(layCities);
map.Layers.Add(layLabel);
map.Layers.Add(layCityLabel);
//limit the zoom to 360 degrees width
map.MaximumZoom = 360;
map.BackColor = Color.LightBlue;
map.ZoomToExtents(); // = 360;
map.Center = new Point(0, 0);
HttpContext.Current.Trace.Write("Map initialized");
return(map);
}
public static Map InitializeMap()
{
//Initialize a new map based on the simple map
var map = new Map();
//Layer osm = new Layer("OSM");
//string url = "http://labs.metacarta.com/wms-c/tilecache.py?version=1.1.1&request=GetCapabilities&service=wms-c";
//var tileSources = TileSourceWmsC.TileSourceBuilder(new Uri(url), null);
//var tileSource = new List<ITileSource>(tileSources).Find(source => source.Schema.Name == "osm-map");
//osm.DataSource = new TileProvider(tileSource, "OSM");
//map.Layers.Add(osm);
//Set up countries layer
var countryLayer = new Layer("Countries");
//Set the datasource to a shapefile in the App_data folder
countryLayer.DataSource = new ShapeFile("GeoData/World/countries.shp", true);
countryLayer.DataSource.SRID = 4326;
var style = new VectorStyle
{
Fill = new Brush {
Color = Color.Green
},
Outline = new Pen {
Color = Color.Black
}
};
countryLayer.Styles.Add(style);
map.Layers.Add(countryLayer);
//set up cities layer
var cityLayer = new Layer("Cities");
//Set the datasource to a shapefile in the App_data folder
cityLayer.DataSource = new ShapeFile("GeoData/World/cities.shp", true);
cityLayer.DataSource.SRID = 4326;
cityLayer.MaxVisible = 0.09;
map.Layers.Add(cityLayer);
//Set up a country label layer
var countryLabelLayer = new LabelLayer("Country labels");
countryLabelLayer.DataSource = countryLayer.DataSource;
countryLabelLayer.DataSource.SRID = 4326;
countryLabelLayer.Enabled = true;
countryLabelLayer.MaxVisible = 0.18;
countryLabelLayer.MinVisible = 0.054;
countryLabelLayer.LabelColumn = "NAME";
var labelStyle = new LabelStyle();
labelStyle.ForeColor = Color.Black;
labelStyle.Font = new Font {
FontFamily = "GenericSerif", Size = 12
};
labelStyle.BackColor = new Brush {
Color = new Color {
A = 128, R = 255, G = 255, B = 255
}
};
labelStyle.HorizontalAlignment = LabelStyle.HorizontalAlignmentEnum.Center;
countryLabelLayer.MultipartGeometryBehaviour = LabelLayer.MultipartGeometryBehaviourEnum.Largest;
countryLabelLayer.Styles.Add(labelStyle);
map.Layers.Add(countryLabelLayer);
//Set up a city label layer
var cityLabelLayer = new LabelLayer("City labels");
cityLabelLayer.DataSource = cityLayer.DataSource;
cityLabelLayer.DataSource.SRID = 4326;
cityLabelLayer.Enabled = true;
cityLabelLayer.LabelColumn = "NAME";
cityLabelLayer.MaxVisible = countryLabelLayer.MinVisible;
cityLabelLayer.MinVisible = 0;
cityLabelLayer.LabelFilter = LabelCollisionDetection.ThoroughCollisionDetection;
var cityLabelStyle = new LabelStyle();
cityLabelStyle.ForeColor = Color.Black;
cityLabelStyle.Font = new Font {
FontFamily = "GenericSerif", Size = 11
};
cityLabelStyle.HorizontalAlignment = LabelStyle.HorizontalAlignmentEnum.Left;
cityLabelStyle.VerticalAlignment = LabelStyle.VerticalAlignmentEnum.Bottom;
cityLabelStyle.Offset = new Offset {
X = 3, Y = 3
};
cityLabelStyle.Halo = new Pen {
Color = Color.Yellow, Width = 2
};
cityLabelStyle.CollisionDetection = true;
cityLabelLayer.Styles.Add(cityLabelStyle);
map.Layers.Add(cityLabelLayer);
//Set a gradient theme on the countries layer, based on Population density
//First create two styles that specify min and max styles
//In this case we will just use the default values and override the fill-colors
//using a colorblender. If different line-widths, line- and fill-colors where used
//in the min and max styles, these would automatically get linearly interpolated.
IStyle min = new Style();
IStyle max = new Style();
//Create theme using a density from 0 (min) to 400 (max)
var popdens = new GradientTheme("PopDens", 0, 400, min, max);
//We can make more advanced coloring using the ColorBlend'er.
//Setting the FillColorBlend will override any fill-style in the min and max fills.
//In this case we just use the predefined Rainbow colorscale
popdens.FillColorBlend = ColorBlend.Rainbow5;
countryLayer.Styles.Add(popdens);
//Lets scale the labels so that big countries have larger texts as well
var lblMin = new LabelStyle();
var lblMax = new LabelStyle();
lblMin.ForeColor = Color.Black;
lblMin.Font = new Font {
FontFamily = "Sans Serif", Size = 6
};
lblMax.ForeColor = Color.Black;
lblMax.BackColor = new Brush {
Color = new Color {
A = 128, R = 255, G = 255, B = 255
}
};
lblMin.BackColor = lblMax.BackColor;
lblMax.Font = new Font {
FontFamily = "Sans Serif", Size = 9
};
countryLabelLayer.Styles.Add(new GradientTheme("PopDens", 0, 400, lblMin, lblMax));
//Lets scale city icons based on city population
//cities below 1.000.000 gets the smallest symbol, and cities with more than 5.000.000 the largest symbol
var citymin = new SymbolStyle();
var citymax = new SymbolStyle();
const string iconPath = "Images/icon.png";
if (!File.Exists(iconPath))
{
throw new Exception(
String.Format("Error file '{0}' could not be found, make sure it is at the expected location",
iconPath));
}
citymin.Symbol = new Bitmap {
Data = new FileStream(iconPath, FileMode.Open, FileAccess.Read)
};
citymin.SymbolScale = 0.5f;
citymax.Symbol = new Bitmap {
Data = new FileStream(iconPath, FileMode.Open, FileAccess.Read)
};
citymax.SymbolScale = 1f;
cityLayer.Styles.Add(new GradientTheme("Population", 1000000, 5000000, citymin, citymax));
var geodanLayer = new Layer("Geodan");
geodanLayer.DataSource = new MemoryProvider(new Point(4.9130567, 52.3422033));
geodanLayer.Styles.Add(new SymbolStyle {
Symbol = new Bitmap {
Data = new FileStream(iconPath, FileMode.Open, FileAccess.Read)
}
});
map.Layers.Add(geodanLayer);
//limit the zoom to 360 degrees width
map.BackColor = Color.White;
return(map);
}
/// <summary>
/// ���þݵ��ע�ļ�
/// </summary>
private void LabelLayer()
{
LabelLayer layer = new LabelLayer("LabelLayer" + strTempMapPointTable, "LabelLayer" + strTempMapPointTable);
mapControl1.Map.Layers.Add(layer);
LabelSource source = new LabelSource(MapInfo.Engine.Session.Current.Catalog.GetTable(strTempMapPointTable));
source.DefaultLabelProperties.Caption = "Caption"; //��ע�õ����Ǹ��ֶ�����
source.DefaultLabelProperties.Layout.Offset = 5;
layer.Sources.Append(source);
}
public LayerModel(VectorLayer vectorLayer, LabelLayer labelLayer, LayerRecord layerRecord)
{
this.vectorLayer = vectorLayer;
this.labelLayer = labelLayer;
this.layerRecord = layerRecord;
}
