public void TestSymbolSelectionTheming()
{
//Create a map
SharpMap.Map map = new SharpMap.Map(new System.Drawing.Size(720, 360));
//Create some random sample data
SharpMap.Data.FeatureDataTable fdt =
cd.CreatePointFeatureDataTableFromArrays(cd.GetRandomOrdinates(80, -180, 180),
cd.GetRandomOrdinates(80, -90, 90), null);
//Add rotation column and fill with random rotation values
fdt.Columns.Add("Symbol", typeof(System.Byte[]));
foreach (SharpMap.Data.FeatureDataRow row in fdt.Rows)
row["Symbol"] = RandomSymbol((int)System.Math.Floor(cd.RandomNumberGenerator.NextDouble() * 360d));
//Create layer and datasource
SharpMap.Layers.VectorLayer vl = new SharpMap.Layers.VectorLayer("Points", new SharpMap.Data.Providers.GeometryFeatureProvider(fdt));
//Create default style
SharpMap.Styles.VectorStyle defaultStyle = new SharpMap.Styles.VectorStyle();
defaultStyle.Symbol = new System.Drawing.Bitmap(@"..\..\..\DemoWinForm\Resources\flag.png");
defaultStyle.SymbolScale = 0.5f;
//Create theming class and apply to layer
SymbolFromFeatureDataRowTheming srt = new SymbolFromFeatureDataRowTheming("Symbol", defaultStyle);
vl.Theme = new SharpMap.Rendering.Thematics.CustomTheme(srt.GetRotatedSymol);
map.Layers.Add(vl);
map.ZoomToExtents();
System.Drawing.Image mapImage = map.GetMap();
mapImage.Save("SymbolFromFDR.bmp");
}
public MainWindow()
: base(Gtk.WindowType.Toplevel)
{
try
{
GeoAPI.GeometryServiceProvider.Instance = new NtsGeometryServices();
Build();
Size mapSize = new Size(800, 500);
myMap = new SharpMap.Map(mapSize);
SharpMap.Styles.VectorStyle style = new SharpMap.Styles.VectorStyle();
style.Outline = new Pen(Color.Green, 1);
style.EnableOutline = true;
SharpMap.Layers.VectorLayer layWorld = new SharpMap.Layers.VectorLayer("States");
layWorld.DataSource =
new SharpMap.Data.Providers.ShapeFile(
@"data" + System.IO.Path.DirectorySeparatorChar + @"states.shp", true);
layWorld.Style = style;
myMap.Layers.Add(layWorld);
myMap.MaximumZoom = 360;
myMap.BackColor = Color.LightBlue;
myMap.Center = new GeoAPI.Geometries.Coordinate(0, 0);
myMap.Zoom = 360;
Bitmap img = (Bitmap)myMap.GetMap();
image3.Pixbuf = ImageToPixbuf(img);
}
catch (Exception ex)
{
label1.Text = ex.Message;
}
}
public SharpMap.Styles.IStyle GetStyle(SharpMap.Data.FeatureDataRow fdr)
{
var retval = new SharpMap.Styles.VectorStyle();
if (fdr["Bearing"] == DBNull.Value)
{
var bmp = new System.Drawing.Bitmap(36, 36);
using (var g = System.Drawing.Graphics.FromImage(bmp))
{
g.Clear(System.Drawing.Color.Wheat);
g.FillEllipse(System.Drawing.Brushes.Green, 0, 0, 36, 36);
g.DrawEllipse(new System.Drawing.Pen(System.Drawing.Brushes.Yellow, 3), 4, 4, 28, 28);
g.DrawString("H", new System.Drawing.Font("Arial", 18, System.Drawing.FontStyle.Bold),
System.Drawing.Brushes.Yellow,
new System.Drawing.RectangleF(2, 2, 34, 34),
new System.Drawing.StringFormat
{
Alignment = System.Drawing.StringAlignment.Center,
LineAlignment = System.Drawing.StringAlignment.Center
});
}
bmp.MakeTransparent(System.Drawing.Color.Wheat);
retval.Symbol = bmp;
}
else
{
retval.Symbol = ColoredArrow(_brush);
var rot = (Single)(Double)fdr["Bearing"];
retval.SymbolRotation = rot % 360f;
}
return(retval);
}
public MainWindow()
: base(Gtk.WindowType.Toplevel)
{
try
{
GeoAPI.GeometryServiceProvider.Instance = new NtsGeometryServices();
Build();
Size mapSize = new Size(800, 500);
myMap = new SharpMap.Map(mapSize);
SharpMap.Styles.VectorStyle style = new SharpMap.Styles.VectorStyle();
style.Outline = new Pen(Color.Green, 1);
style.EnableOutline = true;
SharpMap.Layers.VectorLayer layWorld = new SharpMap.Layers.VectorLayer("States");
layWorld.DataSource =
new SharpMap.Data.Providers.ShapeFile(
@"data" + System.IO.Path.DirectorySeparatorChar + @"states.shp", true);
layWorld.Style = style;
myMap.Layers.Add(layWorld);
myMap.MaximumZoom = 360;
myMap.BackColor = Color.LightBlue;
myMap.Center = new GeoAPI.Geometries.Coordinate(0, 0);
myMap.Zoom = 360;
Bitmap img = (Bitmap)myMap.GetMap();
image3.Pixbuf = ImageToPixbuf(img);
}
catch (Exception ex)
{
label1.Text = ex.Message;
}
}
public static void Example2()
{
var map = new SharpMap.Map(new Size(1280, 1084));
SharpMap.Data.Providers.IProvider provider =
new SharpMap.Data.Providers.ShapeFile(
@"C:\temp\Data\niedersachsen.shp\railways.shp");
var style = new SharpMap.Styles.VectorStyle();
style.Line.Brush = Brushes.White;
style.Line.DashPattern = new float[] { 4f, 4f };
style.Line.Width = 4;
style.EnableOutline = true;
style.Outline.Brush = Brushes.Black;
style.Outline.Width = 6;
var vl = new SharpMap.Layers.VectorLayer("Railways", provider)
{Style = style};
map.Layers.Add(vl);
var env = vl.Envelope;
env.ExpandBy(-0.45f *env.Width, -0.45 * env.Height);
map.ZoomToBox(env);
var mapImage = map.GetMap();
mapImage.Save("Example2.png",
System.Drawing.Imaging.ImageFormat.Png);
}
private SharpMap.Styles.VectorStyle GetRoadCustomStyle(SharpMap.Data.FeatureDataRow row)
{
double zoom = MainMapImage.Map.Zoom;
bool isPrimary = row["ROUTE_INTE"].ToString().Equals("14 (Primary Route)");
if (zoom > 10)
{
if (isPrimary)
{
SharpMap.Styles.VectorStyle style = new SharpMap.Styles.VectorStyle();
style.Line = new Pen(Color.DarkRed, 2.0f);
return(style);
}
else
{
SharpMap.Styles.VectorStyle style = new SharpMap.Styles.VectorStyle();
style.Line = new Pen(Color.Transparent, 0.1f);
return(style);
}
}
else
if (isPrimary)
{
SharpMap.Styles.VectorStyle style = new SharpMap.Styles.VectorStyle();
style.Line = new Pen(Color.DarkRed, 3.0f);
return(style);
}
else
{
return(null); //Return null which will render the default style
}
}
//特征着色
private SharpMap.Styles.VectorStyle FeatureColoured(SharpMap.Data.FeatureDataRow row)
{
SharpMap.Styles.VectorStyle style = new SharpMap.Styles.VectorStyle();
string NAME = row["NAME"].ToString().ToLower();
if (NAME == featureName)
{
style.Fill = new System.Drawing.SolidBrush(Color.Green);
style.Outline = new System.Drawing.Pen(Color.Transparent, 2);
style.Line.Color = Color.Yellow;
style.EnableOutline = true;
return(style);
}
else
{
//style.Fill = new SolidBrush(Color.Transparent);
//style.Outline = new Pen(Color.ForestGreen, 0.4f);
//style.Line.Width = 1;
//style.Line.Color = Color.Green;
style.Fill = new System.Drawing.SolidBrush(Color.Transparent);
style.Outline = new System.Drawing.Pen(Color.ForestGreen, 0.4f);
style.Line.Color = Color.Green;
style.EnableOutline = true;
return(style);
}
}
/// <summary>
/// 面状-公园绿地
/// </summary>
/// <returns></returns>
public static VectorStyle GreenParkStyle()
{
SharpMap.Styles.VectorStyle vs = new SharpMap.Styles.VectorStyle();
Brush brush = new SolidBrush(Color.FromArgb(199, 228, 185));
vs.Fill = brush;
return(vs);
}
/// <summary>
/// 面状-空白地
/// </summary>
/// <returns></returns>
public static VectorStyle SpaceAreaStyle()
{
SharpMap.Styles.VectorStyle vs = new SharpMap.Styles.VectorStyle();
Brush brush = new SolidBrush(Color.FromArgb(240, 240, 240));
vs.Fill = brush;
return(vs);
}
/// <summary>
/// 面状-蓝色河流
/// </summary>
/// <returns></returns>
public static VectorStyle BlueRiverStyle()
{
SharpMap.Styles.VectorStyle vs = new SharpMap.Styles.VectorStyle();
Brush brush = new SolidBrush(Color.FromArgb(153, 180, 207));
vs.Fill = brush;
return(vs);
}
public void TestRender()
{
var style = new SharpMap.Styles.GroupStyle();
var vStyle = new SharpMap.Styles.VectorStyle()
{
Enabled = true,
PointColor = Brushes.Red,
PointSize = 6
};
style.AddStyle(vStyle);
vStyle = new SharpMap.Styles.VectorStyle()
{
Enabled = true,
PointColor = Brushes.White,
PointSize = 2,
};
style.AddStyle(vStyle);
Assert.AreEqual(2, style.Count);
Assert.AreEqual(Color.Red, (style[0].PointColor as SolidBrush).Color);
VectorLayer vLay = new VectorLayer("test");
vLay.Style = style;
vLay.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
vLay.DataSource = new SharpMap.Data.Providers.GeometryProvider("POINT(0 0)");
Map m = new Map(new Size(11, 11));
m.BackColor = Color.White;
m.ZoomToBox(new GeoAPI.Geometries.Envelope(-5, 5, -5, 5));
m.Layers.Add(vLay);
var img = m.GetMap();
img.Save(@"c:\\temp\ren.png");
Bitmap bmp = img as Bitmap;
Color c1 = bmp.GetPixel(5, 5);
Assert.AreEqual(Color.White.ToArgb(), c1.ToArgb());
c1 = bmp.GetPixel(3, 5);
Assert.AreEqual(Color.Red.ToArgb(), c1.ToArgb());
c1 = bmp.GetPixel(7, 5);
Assert.AreEqual(Color.Red.ToArgb(), c1.ToArgb());
c1 = bmp.GetPixel(5, 3);
Assert.AreEqual(Color.Red.ToArgb(), c1.ToArgb());
c1 = bmp.GetPixel(5, 7);
Assert.AreEqual(Color.Red.ToArgb(), c1.ToArgb());
img.Dispose();
m.Dispose();
}
// This displays the GSHHG or GSHHS or whatever they call themselves this week world map. currently using the high def version
// Note that these databases do not have meaningful attributes, so it is not possible to use a theme to display these
// Instead, the rendoring style is assigned by layer.
private void initializeToolStripMenuItem_Click(object sender, EventArgs e)
{
Cursor = Cursors.WaitCursor;
S57.InitializeBackgroundMap(ref mapBox1);
#if false
string GSHHGFileName = @"d:\Users\dwoodall\Documents\GSHHG\gshhg-shp-2.3.5-1\GSHHS_shp\f\GSHHS_f_L1.shp";
// this is the default area to be displayed. do not make it bigger unless you want to wait forever for it to render
Envelope envelope = new Envelope(-75.0d, -80.0d, 23.0d, 28.0d);
//ShapeFile GSHHGData = new ShapeFile(GSHHGFileName);
SharpMap.Layers.VectorLayer GSHHGLayer = new SharpMap.Layers.VectorLayer("GSHHG");
GSHHGLayer.DataSource = new SharpMap.Data.Providers.ShapeFile(GSHHGFileName);
//Create the style for Land
SharpMap.Styles.VectorStyle landStyle = new SharpMap.Styles.VectorStyle();
landStyle.Fill = new System.Drawing.SolidBrush(System.Drawing.Color.SaddleBrown);
landStyle.Outline = new System.Drawing.Pen(System.Drawing.Color.Black);
//Create the style for Water
SharpMap.Styles.VectorStyle waterStyle = new SharpMap.Styles.VectorStyle();
waterStyle.Fill = new System.Drawing.SolidBrush(System.Drawing.Color.LightBlue);
//Create the default style
SharpMap.Styles.VectorStyle defaultStyle = new SharpMap.Styles.VectorStyle();
defaultStyle.Fill = new System.Drawing.SolidBrush(System.Drawing.Color.Red);
//Create the theme items
Dictionary <string, SharpMap.Styles.IStyle> styles = new Dictionary <string, SharpMap.Styles.IStyle>();
styles.Add("land", landStyle);
styles.Add("water", waterStyle);
styles.Add("default", defaultStyle);
//GSHHGLayer.Theme = null;
GSHHGLayer.Style = landStyle;
GSHHGLayer.Style.EnableOutline = true;
//Console.WriteLine("GSHHG LayerName = " + GSHHGLayer.LayerName + " Theme = " + GSHHGLayer.Theme);
//GSHHGLayer = S57.InitializeGSHHGMap();
mapBox1.Map.BackColor = System.Drawing.Color.LightBlue;
mapBox1.Map.Layers.Add(GSHHGLayer);
mapBox1.Map.ZoomToBox(envelope);
mapBox1.Refresh();
mapBox1.ActiveTool = SharpMap.Forms.MapBox.Tools.Pan;
#endif
Cursor = Cursors.Default;
}
public void TestRender()
{
var style = new SharpMap.Styles.GroupStyle();
var vStyle = new SharpMap.Styles.VectorStyle()
{
Enabled = true,
PointColor = Brushes.Red,
PointSize = 6
};
style.AddStyle(vStyle);
vStyle = new SharpMap.Styles.VectorStyle()
{
Enabled = true,
PointColor = Brushes.White,
PointSize = 2
};
style.AddStyle(vStyle);
Assert.AreEqual(2, style.Count);
Assert.AreEqual(Color.Red, (style[0].PointColor as SolidBrush).Color);
VectorLayer vLay = new VectorLayer("test");
vLay.Style = style;
vLay.DataSource = new SharpMap.Data.Providers.FeatureProvider(GeoAPI.GeometryServiceProvider.Instance.CreateGeometryFactory(4326).CreatePoint(new Coordinate(0, 0)));
Map m = new Map(new Size(11, 11));
m.BackColor = Color.White;
m.ZoomToBox(new GeoAPI.Geometries.Envelope(-5, 5, -5, 5));
m.Layers.Add(vLay);
var img = m.GetMap();
//img.Save(@"c:\\temp\ren.png");
Bitmap bmp = img as Bitmap;
Color c1 = bmp.GetPixel(5, 5);
Assert.AreEqual(Color.White.ToArgb(), c1.ToArgb());
c1 = bmp.GetPixel(3, 5);
Assert.AreEqual(Color.Red.ToArgb(), c1.ToArgb());
c1 = bmp.GetPixel(7, 5);
Assert.AreEqual(Color.Red.ToArgb(), c1.ToArgb());
c1 = bmp.GetPixel(5, 3);
Assert.AreEqual(Color.Red.ToArgb(), c1.ToArgb());
c1 = bmp.GetPixel(5, 7);
Assert.AreEqual(Color.Red.ToArgb(), c1.ToArgb());
}
/// <summary>
/// 线状-小路样式
/// </summary>
/// <returns></returns>
public static VectorStyle LittleRoadStyle()
{
SharpMap.Styles.VectorStyle vs = new SharpMap.Styles.VectorStyle();
System.Drawing.Pen pen0 = new Pen(Color.FromArgb(253, 253, 253), 3);
System.Drawing.Pen pen1 = new Pen(Color.FromArgb(220, 220, 220), 5);
Pen[] linePens = new Pen[2];
linePens[0] = pen1;
linePens[1] = pen0;
vs.Lines = linePens;
return(vs);
}
/// <summary>
/// 线状-一级主干道样式
/// </summary>
/// <returns></returns>
public static VectorStyle Level1WayStyle()
{
SharpMap.Styles.VectorStyle vs = new SharpMap.Styles.VectorStyle();
System.Drawing.Pen pen0 = new Pen(Color.FromArgb(255, 238, 153), 5);
System.Drawing.Pen pen1 = new Pen(Color.FromArgb(232, 193, 077), 8);
Pen[] linePens = new Pen[2];
linePens[0] = pen1;
linePens[1] = pen0;
vs.Lines = linePens;
return(vs);
}
/// <summary>
/// 线状-高速公路样式
/// </summary>
/// <returns></returns>
public static VectorStyle HightWayStyle()
{
SharpMap.Styles.VectorStyle vs = new SharpMap.Styles.VectorStyle();
System.Drawing.Pen pen0 = new Pen(Color.FromArgb(255, 187, 051), 5);
System.Drawing.Pen pen1 = new Pen(Color.FromArgb(208, 161, 065), 8);
Pen[] linePens = new Pen[2];
linePens[0] = pen1;
linePens[1] = pen0;
vs.Lines = linePens;
return(vs);
}
/// <summary>
/// 线状-二级主干道样式
/// </summary>
/// <returns></returns>
public static VectorStyle Level2WayStyle()
{
SharpMap.Styles.VectorStyle vs = new SharpMap.Styles.VectorStyle();
System.Drawing.Pen pen0 = new Pen(Color.FromArgb(255, 255, 204), 4);
System.Drawing.Pen pen1 = new Pen(Color.FromArgb(233, 214, 168), 7);
Pen[] linePens = new Pen[2];
linePens[0] = pen1;
linePens[1] = pen0;
vs.Lines = linePens;
return(vs);
}
public SharpMap.Styles.VectorStyle GetRotatedSymol(GeoAPI.Features.IFeature row)
{
if (!System.String.IsNullOrEmpty(StyleRotationColumn))
{
try
{
SharpMap.Styles.VectorStyle dataStyle = CloneStyle(DefaultStyle);
dataStyle.SymbolRotation = System.Convert.ToSingle(row.Attributes[StyleRotationColumn]);
return(dataStyle);
}
catch { }
}
return(null);
}
public void TestRender()
{
var style = new SharpMap.Styles.GroupStyle();
var vStyle = new SharpMap.Styles.VectorStyle()
{
Enabled = true,
PointColor = Brushes.Red,
PointSize = 6
};
style.AddStyle(vStyle);
vStyle = new SharpMap.Styles.VectorStyle()
{
Enabled = true,
PointColor = Brushes.White,
PointSize = 2
};
style.AddStyle(vStyle);
Assert.AreEqual(2, style.Count);
Assert.AreEqual(Color.Red, (style[0].PointColor as SolidBrush).Color);
VectorLayer vLay = new VectorLayer("test");
vLay.Style = style;
vLay.DataSource = new SharpMap.Data.Providers.GeometryProvider("POINT(0 0)");
Map m = new Map(new Size(11, 11));
m.BackColor = Color.White;
m.ZoomToBox(new GeoAPI.Geometries.Envelope(-5, 5, -5, 5));
m.Layers.Add(vLay);
var img = m.GetMap();
//img.Save(@"c:\\temp\ren.png");
Bitmap bmp = img as Bitmap;
Color c1 = bmp.GetPixel(5, 5);
Assert.AreEqual(Color.White.ToArgb(), c1.ToArgb());
c1 = bmp.GetPixel(3, 5);
Assert.AreEqual(Color.Red.ToArgb(), c1.ToArgb());
c1 = bmp.GetPixel(7, 5);
Assert.AreEqual(Color.Red.ToArgb(), c1.ToArgb());
c1 = bmp.GetPixel(5, 3);
Assert.AreEqual(Color.Red.ToArgb(), c1.ToArgb());
c1 = bmp.GetPixel(5, 7);
Assert.AreEqual(Color.Red.ToArgb(), c1.ToArgb());
}
public SharpMap.Styles.VectorStyle GetRotatedSymol(GeoAPI.Features.IFeature row)
{
if (!System.String.IsNullOrEmpty(SymbolColumn))
{
try
{
SharpMap.Styles.VectorStyle dataStyle = CloneStyle(DefaultStyle);
if (!row.IsNull(SymbolColumn))
{
dataStyle.Symbol = new System.Drawing.Bitmap(
new System.IO.MemoryStream((byte[])row.Attributes[SymbolColumn]));
}
return(dataStyle);
}
catch { }
}
return(null);
}
private static SharpMap.Styles.VectorStyle CloneStyle(SharpMap.Styles.VectorStyle styleToClone)
{
SharpMap.Styles.VectorStyle style =
new SharpMap.Styles.VectorStyle
{
Enabled = styleToClone.Enabled,
MinVisible = styleToClone.MinVisible,
MaxVisible = styleToClone.MaxVisible,
Line = styleToClone.Line.Clone() as System.Drawing.Pen,
Fill = styleToClone.Fill.Clone() as System.Drawing.Brush,
Outline = styleToClone.Outline.Clone() as System.Drawing.Pen,
EnableOutline = styleToClone.EnableOutline,
Symbol = styleToClone.Symbol.Clone() as System.Drawing.Bitmap,
SymbolOffset = styleToClone.SymbolOffset,
SymbolRotation = styleToClone.SymbolRotation,
SymbolScale = styleToClone.SymbolScale
};
return(style);
}
private static SharpMap.Styles.VectorStyle CloneStyle(SharpMap.Styles.VectorStyle styleToClone)
{
SharpMap.Styles.VectorStyle style =
new SharpMap.Styles.VectorStyle
{
Enabled = styleToClone.Enabled,
MinVisible = styleToClone.MinVisible,
MaxVisible = styleToClone.MaxVisible,
Line = styleToClone.Line.Clone() as System.Drawing.Pen,
Fill = styleToClone.Fill.Clone() as System.Drawing.Brush,
Outline = styleToClone.Outline.Clone() as System.Drawing.Pen,
EnableOutline = styleToClone.EnableOutline,
Symbol = styleToClone.Symbol.Clone() as System.Drawing.Bitmap,
SymbolOffset = styleToClone.SymbolOffset,
SymbolRotation = styleToClone.SymbolRotation,
SymbolScale = styleToClone.SymbolScale
};
return style;
}
public void TestAddRemove()
{
var style = new SharpMap.Styles.GroupStyle();
var vStyle = new SharpMap.Styles.VectorStyle()
{
Enabled = true,
PointColor = Brushes.Red,
PointSize = 3
};
style.AddStyle(vStyle);
vStyle = new SharpMap.Styles.VectorStyle()
{
Enabled = true,
PointColor = Brushes.White,
PointSize = 1
};
style.AddStyle(vStyle);
Assert.AreEqual(2, style.Count);
Assert.AreEqual(Color.Red, (style[0].PointColor as SolidBrush).Color);
}
public void TestEnsureVisible()
{
//Create a map
SharpMap.Map map = new SharpMap.Map(new System.Drawing.Size(720, 360));
//Create some random sample data
SharpMap.Data.FeatureDataTable fdt =
cd.CreatePointFeatureDataTableFromArrays(cd.GetRandomOrdinates(80, -180, 180),
cd.GetRandomOrdinates(80, -90, 90), null);
//Create layer and datasource
SharpMap.Layers.VectorLayer vl = new SharpMap.Layers.VectorLayer("Points", new SharpMap.Data.Providers.GeometryFeatureProvider(fdt));
//Create default style
SharpMap.Styles.VectorStyle defaultStyle = new SharpMap.Styles.VectorStyle();
defaultStyle.Symbol = new System.Drawing.Bitmap(@"..\..\..\DemoWinForm\Resources\flag.png");
defaultStyle.SymbolScale = 0.5f;
//Create theming class and apply to layer
SymbolRotationTheming srt = new SymbolRotationTheming("Rotation", defaultStyle);
vl.Theme = new SharpMap.Rendering.Thematics.CustomTheme(srt.GetRotatedSymol);
map.Layers.Add(vl);
map.ZoomToExtents();
map.Zoom = 60; //2*30
map.Center = new SharpMap.Geometries.Point(0, 0);
System.Console.WriteLine(map.Center);
EnsureVisible(map, new SharpMap.Geometries.Point(-30, 0));
System.Console.WriteLine(map.Center);
System.Console.WriteLine();
EnsureVisible(map, new SharpMap.Geometries.Point(15, 20));
System.Console.WriteLine(map.Center);
System.Console.WriteLine();
EnsureVisible(map, new SharpMap.Geometries.Point(15, -20));
System.Console.WriteLine(map.Center);
}
public static SharpMap.Layers.VectorLayer InitializeGSHHGMap()
{
SharpMap.Layers.VectorLayer GSHHGLayer = new SharpMap.Layers.VectorLayer("GSHHG");
GSHHGLayer.DataSource = new SharpMap.Data.Providers.ShapeFile(@"d:\Users\dwoodall\Documents\GSHHG\gshhg-shp-2.3.5-1\GSHHS_shp\f\GSHHS_f_L1.shp", true);
//Create the style for Land
SharpMap.Styles.VectorStyle landStyle = new SharpMap.Styles.VectorStyle();
landStyle.Fill = new System.Drawing.SolidBrush(System.Drawing.Color.FromArgb(232, 232, 232));
//Create the style for Water
SharpMap.Styles.VectorStyle waterStyle = new SharpMap.Styles.VectorStyle();
waterStyle.Fill = new System.Drawing.SolidBrush(System.Drawing.Color.FromArgb(198, 198, 255));
//Create the theme items
Dictionary <string, SharpMap.Styles.IStyle> styles = new Dictionary <string, SharpMap.Styles.IStyle>();
styles.Add("land", landStyle);
styles.Add("water", waterStyle);
//Assign the theme
GSHHGLayer.Theme = new SharpMap.Rendering.Thematics.UniqueValuesTheme <string>("class", styles, landStyle);
return(GSHHGLayer);
//mapBox.Map.Layers.Add(vlay);
//ProjNet.CoordinateSystems.Transformations.CoordinateTransformationFactory ctFact = new ProjNet.CoordinateSystems.Transformations.CoordinateTransformationFactory();
//vlay.CoordinateTransformation = ctFact.CreateFromCoordinateSystems(ProjNet.CoordinateSystems.GeographicCoordinateSystem.WGS84, ProjNet.CoordinateSystems.ProjectedCoordinateSystem.WebMercator);
//vlay.ReverseCoordinateTransformation = ctFact.CreateFromCoordinateSystems(ProjNet.CoordinateSystems.ProjectedCoordinateSystem.WebMercator, ProjNet.CoordinateSystems.GeographicCoordinateSystem.WGS84);
//mapBox1.Map.BackgroundLayer.Add(new SharpMap.Layers.TileAsyncLayer(
// new BruTile.Web.OsmTileSource(), "OSM"));
//mapBox.Map.ZoomToExtents();
//mapBox.Refresh();
//mapBox.ActiveTool = SharpMap.Forms.MapBox.Tools.Pan;
//return mapBox;
}
public void TestEnsureVisible()
{
//Create a map
SharpMap.Map map = new SharpMap.Map(new System.Drawing.Size(720,360));
//Create some random sample data
SharpMap.Data.FeatureDataTable fdt =
cd.CreatePointFeatureDataTableFromArrays(cd.GetRandomOrdinates(80, -180, 180),
cd.GetRandomOrdinates(80, -90, 90), null);
//Create layer and datasource
SharpMap.Layers.VectorLayer vl = new SharpMap.Layers.VectorLayer("Points", new SharpMap.Data.Providers.FeatureProvider(fdt));
//Create default style
SharpMap.Styles.VectorStyle defaultStyle = new SharpMap.Styles.VectorStyle();
defaultStyle.Symbol = new System.Drawing.Bitmap(@"..\..\..\DemoWinForm\Resources\flag.png");
defaultStyle.SymbolScale = 0.5f;
//Create theming class and apply to layer
var srt = new SymbolRotationTheming("Rotation", defaultStyle);
vl.Theme = new SharpMap.Rendering.Thematics.CustomTheme(srt.GetRotatedSymol);
map.Layers.Add(vl);
map.ZoomToExtents();
map.Zoom = 60; //2*30
map.Center = new GeoAPI.Geometries.Coordinate(0,0);
System.Console.WriteLine(map.Center);
EnsureVisible(map, new GeoAPI.Geometries.Coordinate(-30, 0));
System.Console.WriteLine(map.Center);
System.Console.WriteLine();
EnsureVisible(map, new GeoAPI.Geometries.Coordinate(15, 20));
System.Console.WriteLine(map.Center);
System.Console.WriteLine();
EnsureVisible(map, new GeoAPI.Geometries.Coordinate(15, -20));
System.Console.WriteLine(map.Center);
}
//修改shp图层的外观，包括颜色和线宽
public void setShpLayer(string layername, Color color, int width)
{
ILayer layer = this.mapBox.Map.GetLayerByName(layername);
if (layer != null)
{
SharpMap.Styles.VectorStyle vs = new SharpMap.Styles.VectorStyle();
//Line
vs.Line.Color = color;
vs.Line.Width = width;
//Point
vs.PointColor = new SolidBrush(color);
vs.PointSize = width;
//Polygon
vs.Outline = new Pen(color, width);
vs.Fill = new SolidBrush(Color.Transparent);
vs.EnableOutline = true;
(layer as VectorLayer).Style = vs;
this.mapBox.Refresh();
}
}
public void TestAddRemove()
{
var style = new SharpMap.Styles.GroupStyle();
var vStyle = new SharpMap.Styles.VectorStyle()
{
Enabled = true,
PointColor = Brushes.Red,
PointSize = 3
};
style.AddStyle(vStyle);
vStyle = new SharpMap.Styles.VectorStyle()
{
Enabled = true,
PointColor = Brushes.White,
PointSize = 1
};
style.AddStyle(vStyle);
Assert.AreEqual(2, style.Count);
Assert.AreEqual(Color.Red, (style[0].PointColor as SolidBrush).Color);
}
private SharpMap.Styles.VectorStyle GetStyleForShape(SharpMap.Data.FeatureDataRow row)
{
SharpMap.Styles.VectorStyle style = new SharpMap.Styles.VectorStyle();
if (bandStates.Contains(row.ItemArray[6]))
{
style.Fill = Brushes.Green;
style.Outline = new Pen(Color.Black, 1);
}
else
{
style.Fill = Brushes.DarkRed;
style.Outline = new Pen(Color.Black, 1);
}
if (!states.Contains(row.ItemArray[6]))
//if (row.ItemArray[6].Equals("PR"))
{
style.Fill = Brushes.White; // ignore non-50 states for WAS award coloring
style.Outline = new Pen(Color.White, 1);
}
//style.Line = new Pen(Color.Black, 1);
style.EnableOutline = true;
return(style);
}
public static void Example2()
{
var map = new SharpMap.Map(new Size(1280, 1084));
SharpMap.Data.Providers.IProvider provider =
new SharpMap.Data.Providers.ShapeFile(
@"C:\temp\Data\niedersachsen.shp\railways.shp");
var style = new SharpMap.Styles.VectorStyle();
style.Line.Brush = Brushes.White;
style.Line.DashPattern = new float[] { 4f, 4f };
style.Line.Width = 4;
style.EnableOutline = true;
style.Outline.Brush = Brushes.Black;
style.Outline.Width = 6;
var vl = new SharpMap.Layers.VectorLayer("Railways", provider)
{
Style = style
};
map.Layers.Add(vl);
var env = vl.Envelope;
env.ExpandBy(-0.45f * env.Width, -0.45 * env.Height);
map.ZoomToBox(env);
var mapImage = map.GetMap();
mapImage.Save("Example2.png",
System.Drawing.Imaging.ImageFormat.Png);
}
public void TestSymbolSelectionTheming()
{
//Create a map
SharpMap.Map map = new SharpMap.Map(new System.Drawing.Size(720, 360));
//Create some random sample data
SharpMap.Data.FeatureDataTable fdt =
cd.CreatePointFeatureDataTableFromArrays(cd.GetRandomOrdinates(80, -180, 180),
cd.GetRandomOrdinates(80, -90, 90), null);
//Add rotation column and fill with random rotation values
fdt.Columns.Add("Symbol", typeof(System.Byte[]));
foreach (SharpMap.Data.FeatureDataRow row in fdt.Rows)
{
row["Symbol"] = RandomSymbol((int)System.Math.Floor(cd.RandomNumberGenerator.NextDouble() * 360d));
}
//Create layer and datasource
SharpMap.Layers.VectorLayer vl = new SharpMap.Layers.VectorLayer("Points", new SharpMap.Data.Providers.FeatureProvider(fdt));
//Create default style
SharpMap.Styles.VectorStyle defaultStyle = new SharpMap.Styles.VectorStyle();
defaultStyle.Symbol = new System.Drawing.Bitmap(@"..\..\..\DemoWinForm\Resources\flag.png");
defaultStyle.SymbolScale = 0.5f;
//Create theming class and apply to layer
SymbolFromFeatureDataRowTheming srt = new SymbolFromFeatureDataRowTheming("Symbol", defaultStyle);
vl.Theme = new SharpMap.Rendering.Thematics.CustomTheme(srt.GetRotatedSymol);
map.Layers.Add(vl);
map.ZoomToExtents();
System.Drawing.Image mapImage = map.GetMap();
mapImage.Save("SymbolFromFDR.bmp");
}
public SharpMap.Styles.IStyle GetStyle(SharpMap.Data.FeatureDataRow fdr)
{
var retval = new SharpMap.Styles.VectorStyle();
if (fdr["Bearing"] == DBNull.Value)
{
var bmp = new System.Drawing.Bitmap(36, 36);
using (var g = System.Drawing.Graphics.FromImage(bmp))
{
g.Clear(System.Drawing.Color.Wheat);
g.FillEllipse(System.Drawing.Brushes.Green, 0, 0, 36, 36);
g.DrawEllipse(new System.Drawing.Pen(System.Drawing.Brushes.Yellow, 3), 4, 4, 28, 28);
g.DrawString("H", new System.Drawing.Font("Arial", 18, System.Drawing.FontStyle.Bold),
System.Drawing.Brushes.Yellow,
new System.Drawing.RectangleF(2, 2, 34, 34),
new System.Drawing.StringFormat
{
Alignment = System.Drawing.StringAlignment.Center,
LineAlignment = System.Drawing.StringAlignment.Center
});
}
bmp.MakeTransparent(System.Drawing.Color.Wheat);
retval.Symbol = bmp;
}
else
{
retval.Symbol = ColoredArrow(_brush);
var rot = (Single)(Double)fdr["Bearing"];
retval.SymbolRotation = rot % 360f;
}
return retval;
}
private void LoadParcels(List<PointD> pt, Color color, string labelname)
{
SharpMap.Map map = new SharpMap.Map();
List<GeoAPI.Geometries.Coordinate> vertices = new List<GeoAPI.Geometries.Coordinate>();
foreach (PointD i in pt)
{
GeoAPI.Geometries.Coordinate p = new GeoAPI.Geometries.Coordinate();
p.X = i.X;
p.Y = i.Y;
vertices.Add(p);
}
GeoAPI.Geometries.Coordinate l = new GeoAPI.Geometries.Coordinate();
l.X = pt[0].X;
l.Y = pt[0].Y;
vertices.Add(l);
//Collection<GeoAPI.Geometries.IGeometry> geom = new Collection<GeoAPI.Geometries.IGeometry>();
GeometryFactory gf = new NetTopologySuite.Geometries.GeometryFactory();
GeoAPI.Geometries.ILinearRing shell = gf.CreateLinearRing(vertices.ToArray());
GeoAPI.Geometries.IPolygon polygon = gf.CreatePolygon(shell, null);
SharpMap.Data.Providers.GeometryProvider geomProvider= new SharpMap.Data.Providers.GeometryProvider(polygon);
SharpMap.Layers.VectorLayer layerParcels = new SharpMap.Layers.VectorLayer("Parcels");
SharpMap.Styles.VectorStyle style = new SharpMap.Styles.VectorStyle();
style.Fill = new SolidBrush(Color.FromArgb(200,color));
style.Outline = new Pen(new SolidBrush(color));
layerParcels.Style = style;
layerParcels.Style.EnableOutline = true;
layerParcels.DataSource = geomProvider;
layerParcels.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
mapBox1.ActiveTool = SharpMap.Forms.MapBox.Tools.Pan;
var fdt = new SharpMap.Data.FeatureDataTable();
fdt.Columns.Add(new System.Data.DataColumn("id", typeof(uint)));
fdt.Columns.Add(new System.Data.DataColumn("label", typeof(string)));
var fdr = (SharpMap.Data.FeatureDataRow)fdt.NewRow();
fdr.ItemArray = new object[] { 1, labelname };
fdr.Geometry = polygon;
fdt.AddRow(fdr);
var dataprovider = new SharpMap.Data.Providers.GeometryFeatureProvider(fdt);
var ll = new SharpMap.Layers.LabelLayer("llayer");
ll.DataSource = dataprovider;
ll.LabelColumn = "label";
ll.Style.Font = new Font("Eurostile Extended", 16,FontStyle.Bold);
mapBox1.Map.Layers.Add(layerParcels);
mapBox1.Map.Layers.Add(ll);
mapBox1.Map.ZoomToExtents();
mapBox1.Refresh();
}
public ClsTheme(SharpMap.Styles.VectorStyle style)
{
_style = style;
}
private SharpMap.Styles.VectorStyle ReferenciasStyle(SharpMap.Data.FeatureDataRow row)
{
SharpMap.Styles.VectorStyle style;
switch (row["TYPE"].ToString())
{
case "Cargadero":
style = LoadStyle(GetFileNameFromConfig("Simbolo_Cargadero"));
break;
case "Cruce":
style = LoadStyle(GetFileNameFromConfig("Simbolo_Cruce"));
break;
case "Canchon":
style = LoadStyle(GetFileNameFromConfig("Simbolo_Canchon"));
break;
case "Puente":
style = LoadStyle(GetFileNameFromConfig("Simbolo_Puente"));
break;
case "Acceso":
style = LoadStyle(GetFileNameFromConfig("Simbolo_Acceso"));
break;
case "Proveedor":
style = LoadStyle(GetFileNameFromConfig("Simbolo_Proveedor"));
break;
default:
{
style = new SharpMap.Styles.VectorStyle();
style.Line.Color = System.Drawing.Color.Black;
}
break;
}
return style;
}
private SharpMap.Styles.VectorStyle LoadStyle(string filename)
{
SharpMap.Styles.VectorStyle style = new SharpMap.Styles.VectorStyle();
if (System.IO.File.Exists(filename))
{
string fileExtension = System.IO.Path.GetExtension(filename).ToLower();
switch (fileExtension)
{
case ".png":
case ".jpg":
case ".gif":
case ".bmp":
style.Symbol = new System.Drawing.Bitmap(filename, true);
break;
case ".ico":
System.Drawing.Icon icon = new System.Drawing.Icon(filename);
style.Symbol = icon.ToBitmap();
break;
default:
style.Line.Color = System.Drawing.Color.Black;
break;
}
}
else
{
style.Line.Color = System.Drawing.Color.Black;
}
return style;
}
public static void InitializeBackgroundMap(ref SharpMap.Forms.MapBox mapBox1)
{
string GSHHGFileName = @"d:\Users\dwoodall\Documents\GSHHG\gshhg-shp-2.3.5-1\GSHHS_shp\f\GSHHS_f_L1.shp";
// this is the default area to be displayed. do not make it bigger unless you want to wait forever for it to render
GeoAPI.Geometries.Envelope envelope = new GeoAPI.Geometries.Envelope(-75.0d, -80.0d, 23.0d, 28.0d);
//ShapeFile GSHHGData = new ShapeFile(GSHHGFileName);
SharpMap.Layers.VectorLayer GSHHGLayer = new SharpMap.Layers.VectorLayer("GSHHG");
GSHHGLayer.DataSource = new SharpMap.Data.Providers.ShapeFile(GSHHGFileName, true);
if (!GSHHGLayer.DataSource.IsOpen)
{
GSHHGLayer.DataSource.Open();
}
//Create the style for Land
SharpMap.Styles.VectorStyle landStyle = new SharpMap.Styles.VectorStyle();
landStyle.Fill = new System.Drawing.SolidBrush(S52.colorMaptoRGBI(S52.ColorName.LANDF));
landStyle.Outline = new System.Drawing.Pen(System.Drawing.Color.Black);
//Create the style for Water
SharpMap.Styles.VectorStyle waterStyle = new SharpMap.Styles.VectorStyle();
waterStyle.Fill = new System.Drawing.SolidBrush(S52.colorMaptoRGBI(S52.ColorName.DEPMD));
//Create the default style
SharpMap.Styles.VectorStyle defaultStyle = new SharpMap.Styles.VectorStyle();
defaultStyle.Fill = new System.Drawing.SolidBrush(System.Drawing.Color.Red);
//Create the theme items
Dictionary <string, SharpMap.Styles.IStyle> styles = new Dictionary <string, SharpMap.Styles.IStyle>();
styles.Add("land", landStyle);
styles.Add("water", waterStyle);
styles.Add("default", defaultStyle);
GSHHGLayer.Style = landStyle;
GSHHGLayer.Style.EnableOutline = true;
mapBox1.BackColor = S52.colorMaptoRGB(S52.ColorName.UINFB);
mapBox1.Map.Layers.Add(GSHHGLayer);
mapBox1.Map.ZoomToExtents();
mapBox1.Refresh();
GeoAPI.CoordinateSystems.Transformations.ICoordinateTransformationFactory ctFact
= new ProjNet.CoordinateSystems.Transformations.CoordinateTransformationFactory();
GSHHGLayer.CoordinateTransformation =
ctFact.CreateFromCoordinateSystems(ProjNet.CoordinateSystems.GeographicCoordinateSystem.WGS84,
ProjNet.CoordinateSystems.ProjectedCoordinateSystem.WebMercator);
GSHHGLayer.ReverseCoordinateTransformation =
ctFact.CreateFromCoordinateSystems(ProjNet.CoordinateSystems.ProjectedCoordinateSystem.WebMercator,
ProjNet.CoordinateSystems.GeographicCoordinateSystem.WGS84);
//mapBox1.Map.BackgroundLayer.Add(new SharpMap.Layers.TileAsyncLayer(
// new BruTile.Web.OsmTileSource(), "OSM"));
//mapBox1.Map.ZoomToBox(envelope);
mapBox1.Map.ZoomToExtents();
mapBox1.Refresh();
mapBox1.ActiveTool = SharpMap.Forms.MapBox.Tools.Pan;
}
/// <summary>
/// Creates an instance of this class
/// </summary>
/// <param name="styleRotationColumn">Name of the column, which contains the symbol</param>
/// <param name="defaultStyle">Default vector style from which parts are to be modified</param>
public SymbolFromFeatureDataRowTheming(System.String styleRotationColumn, SharpMap.Styles.VectorStyle defaultStyle)
{
SymbolColumn = styleRotationColumn;
DefaultStyle = defaultStyle;
}
/// <summary>
/// Creates an instance of this class
/// </summary>
/// <param name="styleRotationColumn">Name of the column, which contains the rotation angle in degrees [0°, 360°]</param>
/// <param name="defaultStyle">Default vector style from which parts are to be modified</param>
public SymbolRotationTheming(System.String styleRotationColumn, SharpMap.Styles.VectorStyle defaultStyle)
{
StyleRotationColumn = styleRotationColumn;
DefaultStyle = defaultStyle;
}
private SharpMap.Styles.VectorStyle CaminosStyle(SharpMap.Data.FeatureDataRow row)
{
SharpMap.Styles.VectorStyle style = new SharpMap.Styles.VectorStyle();
switch (row["TYPE"].ToString())
{
case "Camino Principal":
style.Line.Color = System.Drawing.Color.Brown;
break;
case "Camino Secundario":
style.Line.Color = System.Drawing.Color.DarkGray;
break;
case "Ruta Provincial":
style.Line.Color = System.Drawing.Color.Orange;
break;
case "Ruta Nacional":
style.Line.Color = System.Drawing.Color.Yellow;
style.Line.Width = 2;
break;
case "Sin Especificar":
default:
style.Line.Color = System.Drawing.Color.Black;
break;
}
return style;
}
/// <summary>
/// Creates an instance of this class
/// </summary>
/// <param name="styleRotationColumn">Name of the column, which contains the rotation angle in degrees [0°, 360°]</param>
/// <param name="defaultStyle">Default vector style from which parts are to be modified</param>
public SymbolRotationTheming(System.String styleRotationColumn, SharpMap.Styles.VectorStyle defaultStyle)
{
StyleRotationColumn = styleRotationColumn;
DefaultStyle = defaultStyle;
}
private void RenderGeometry(System.Drawing.Graphics g, Map map, Geometry feature, SharpMap.Styles.VectorStyle style)
{
switch (feature.GetType().FullName)
{
case "SharpMap.Geometries.Polygon":
if (style.EnableOutline)
{
SharpMap.Rendering.VectorRenderer.DrawPolygon(g, (Polygon)feature, style.Fill, style.Outline, _ClippingEnabled, map);
}
else
{
SharpMap.Rendering.VectorRenderer.DrawPolygon(g, (Polygon)feature, style.Fill, null, _ClippingEnabled, map);
}
break;
case "SharpMap.Geometries.MultiPolygon":
if (style.EnableOutline)
{
SharpMap.Rendering.VectorRenderer.DrawMultiPolygon(g, (MultiPolygon)feature, style.Fill, style.Outline, _ClippingEnabled, map);
}
else
{
SharpMap.Rendering.VectorRenderer.DrawMultiPolygon(g, (MultiPolygon)feature, style.Fill, null, _ClippingEnabled, map);
}
break;
case "SharpMap.Geometries.LineString":
SharpMap.Rendering.VectorRenderer.DrawLineString(g, (LineString)feature, style.Line, map);
break;
case "SharpMap.Geometries.MultiLineString":
SharpMap.Rendering.VectorRenderer.DrawMultiLineString(g, (MultiLineString)feature, style.Line, map);
break;
case "SharpMap.Geometries.Point":
SharpMap.Rendering.VectorRenderer.DrawPoint(g, (Point)feature, style.Symbol, style.SymbolScale, style.SymbolOffset, style.SymbolRotation, map);
break;
case "SharpMap.Geometries.MultiPoint":
SharpMap.Rendering.VectorRenderer.DrawMultiPoint(g, (MultiPoint)feature, style.Symbol, style.SymbolScale, style.SymbolOffset, style.SymbolRotation, map);
break;
case "SharpMap.Geometries.GeometryCollection":
foreach (Geometries.Geometry geom in (GeometryCollection)feature)
{
RenderGeometry(g, map, geom, style);
}
break;
default:
break;
}
}
/// <summary>
/// Renders the layer to a graphics object
/// </summary>
/// <param name="g">Graphics object reference</param>
/// <param name="map">Map which is rendered</param>
public override void Render(System.Drawing.Graphics g, Map map)
{
if (map.Center == null)
{
throw (new ApplicationException("Cannot render map. View center not specified"));
}
g.SmoothingMode = this.SmoothingMode;
SharpMap.Geometries.BoundingBox envelope = map.Envelope; //View to render
if (this.CoordinateTransformation != null)
{
envelope = SharpMap.CoordinateSystems.Transformations.GeometryTransform.TransformBox(envelope, this.CoordinateTransformation.MathTransform.Inverse());
}
//List<SharpMap.Geometries.Geometry> features = this.DataSource.GetGeometriesInView(map.Envelope);
if (this.DataSource == null)
{
throw (new ApplicationException("DataSource property not set on layer '" + this.LayerName + "'"));
}
//If thematics is enabled, we use a slighty different rendering approach
if (this.Theme != null)
{
SharpMap.Data.FeatureDataSet ds = new SharpMap.Data.FeatureDataSet();
this.DataSource.Open();
this.DataSource.ExecuteIntersectionQuery(envelope, ds);
this.DataSource.Close();
SharpMap.Data.FeatureDataTable features = (SharpMap.Data.FeatureDataTable)ds.Tables[0];
if (this.CoordinateTransformation != null)
{
for (int i = 0; i < features.Count; i++)
{
features[i].Geometry = SharpMap.CoordinateSystems.Transformations.GeometryTransform.TransformGeometry(features[i].Geometry, this.CoordinateTransformation.MathTransform);
}
}
//Linestring outlines is drawn by drawing the layer once with a thicker line
//before drawing the "inline" on top.
if (Style.EnableOutline)
{
//foreach (SharpMap.Geometries.Geometry feature in features)
for (int i = 0; i < features.Count; i++)
{
SharpMap.Data.FeatureDataRow feature = features[i];
//Draw background of all line-outlines first
if (feature.Geometry is SharpMap.Geometries.LineString)
{
SharpMap.Styles.VectorStyle outlinestyle1 = this.Theme.GetStyle(feature) as SharpMap.Styles.VectorStyle;
if (outlinestyle1.Enabled && outlinestyle1.EnableOutline)
{
SharpMap.Rendering.VectorRenderer.DrawLineString(g, feature.Geometry as LineString, outlinestyle1.Outline, map);
}
}
else if (feature.Geometry is SharpMap.Geometries.MultiLineString)
{
SharpMap.Styles.VectorStyle outlinestyle2 = this.Theme.GetStyle(feature) as SharpMap.Styles.VectorStyle;
if (outlinestyle2.Enabled && outlinestyle2.EnableOutline)
{
SharpMap.Rendering.VectorRenderer.DrawMultiLineString(g, feature.Geometry as MultiLineString, outlinestyle2.Outline, map);
}
}
}
}
for (int i = 0; i < features.Count; i++)
{
SharpMap.Data.FeatureDataRow feature = features[i];
SharpMap.Styles.VectorStyle style = this.Theme.GetStyle(feature) as SharpMap.Styles.VectorStyle;
RenderGeometry(g, map, feature.Geometry, style);
}
}
else
{
this.DataSource.Open();
Collection <SharpMap.Geometries.Geometry> geoms = this.DataSource.GetGeometriesInView(envelope);
this.DataSource.Close();
if (this.CoordinateTransformation != null)
{
for (int i = 0; i < geoms.Count; i++)
{
geoms[i] = SharpMap.CoordinateSystems.Transformations.GeometryTransform.TransformGeometry(geoms[i], this.CoordinateTransformation.MathTransform);
}
}
//Linestring outlines is drawn by drawing the layer once with a thicker line
//before drawing the "inline" on top.
if (this.Style.EnableOutline)
{
foreach (SharpMap.Geometries.Geometry geom in geoms)
{
if (geom != null)
{
//Draw background of all line-outlines first
switch (geom.GetType().FullName)
{
case "SharpMap.Geometries.LineString":
SharpMap.Rendering.VectorRenderer.DrawLineString(g, geom as LineString, this.Style.Outline, map);
break;
case "SharpMap.Geometries.MultiLineString":
SharpMap.Rendering.VectorRenderer.DrawMultiLineString(g, geom as MultiLineString, this.Style.Outline, map);
break;
default:
break;
}
}
}
}
for (int i = 0; i < geoms.Count; i++)
{
if (geoms[i] != null)
{
RenderGeometry(g, map, geoms[i], this.Style);
}
}
}
base.Render(g, map);
}
//特征着色
private SharpMap.Styles.VectorStyle FeatureColoured(SharpMap.Data.FeatureDataRow row)
{
SharpMap.Styles.VectorStyle style = new SharpMap.Styles.VectorStyle();
string NAME = row["NAME"].ToString().ToLower();
if (NAME == featureName)
{
style.Fill = new System.Drawing.SolidBrush(Color.Green);
style.Outline = new System.Drawing.Pen(Color.Transparent, 2);
style.Line.Color = Color.Yellow;
style.EnableOutline = true;
return style;
}
else
{
//style.Fill = new SolidBrush(Color.Transparent);
//style.Outline = new Pen(Color.ForestGreen, 0.4f);
//style.Line.Width = 1;
//style.Line.Color = Color.Green;
style.Fill = new System.Drawing.SolidBrush(Color.Transparent);
style.Outline = new System.Drawing.Pen(Color.ForestGreen, 0.4f);
style.Line.Color = Color.Green;
style.EnableOutline = true;
return style;
}
}
public void LoadAndDrawData()
{
this.MainMapImage.Map.BackColor = Color.LightBlue;
this.MainMapImage.Map.Center = new SharpMap.Geometries.Point(-4, 40); //Set center of map
this.MainMapImage.Map.Zoom = 12; //Set zoom level
this.MainMapImage.Map.Size = new System.Drawing.Size(1000, 1000); //Set output size
//Set up the countries layer
SharpMap.Layers.VectorLayer layCountries = new SharpMap.Layers.VectorLayer("Countries");
//Set the datasource to a shapefile in the App_data folder
layCountries.DataSource = new SharpMap.Data.Providers.ShapeFile(@"Data\coastlines.shp");
//Set fill-style to green
layCountries.Style.Fill = new SolidBrush(Color.Black);
//Set the polygons to have a black outline
layCountries.Style.Outline = System.Drawing.Pens.Black;
layCountries.Style.EnableOutline = true;
layCountries.SRID = 4321;
//Set up a political area layer
SharpMap.Layers.VectorLayer layArea = new SharpMap.Layers.VectorLayer("Areas");
//Set the datasource to a shapefile in the App_data folder
layArea.DataSource = new SharpMap.Data.Providers.ShapeFile(@"Data\areas.shp");
//Define a blue 1px wide pen
layArea.Style.Line = new Pen(Color.Red, 10.4f);
layArea.Style.Fill = new SolidBrush(Color.Beige);
layArea.SRID = 4322;
//Set up a road layer
SharpMap.Layers.VectorLayer layRoads = new SharpMap.Layers.VectorLayer("Roads");
//Set the datasource to a shapefile in the App_data folder
layRoads.DataSource = new SharpMap.Data.Providers.ShapeFile(@"Data\roads.shp");
//Define a blue 1px wide pen
layRoads.Style.Line = new Pen(Color.Red, 2.0f);
layRoads.MaxVisible = 15;
layRoads.SRID = 4323;
SharpMap.Rendering.Thematics.CustomTheme iTheme = new SharpMap.Rendering.Thematics.CustomTheme(GetRoadCustomStyle);
SharpMap.Styles.VectorStyle defaultstyle = new SharpMap.Styles.VectorStyle(); //Create default renderstyle
defaultstyle.Line = new Pen(Color.Red, 0.5f);
iTheme.DefaultStyle = defaultstyle;
layRoads.Theme = iTheme;
SharpMap.Layers.VectorLayer layCities = new SharpMap.Layers.VectorLayer("Cities");
//Set the datasource to a shapefile in the App_data folder
layCities.DataSource = new SharpMap.Data.Providers.ShapeFile(@"Data\cities.shp");
//Define a blue 1px wide pen
layCities.Style.Symbol = new Bitmap(@"Data\city.png");
layCities.Style.SymbolScale = 1.8f;
layCities.MaxVisible = 10;
layCities.SRID = 4324;
//Set up a river layer
SharpMap.Layers.VectorLayer layRivers = new SharpMap.Layers.VectorLayer("Rivers");
//Set the datasource to a shapefile in the App_data folder
layRivers.DataSource = new SharpMap.Data.Providers.ShapeFile(@"Data\rivers.shp");
//Define a blue 1px wide pen
layRivers.Style.Line = new Pen(Color.Blue, 0.4f);
layRivers.MaxVisible = 7;
layRivers.SRID = 4325;
//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
MainMapImage.Map.Layers.Add(layCountries);
MainMapImage.Map.Layers.Add(layArea);
MainMapImage.Map.Layers.Add(layRivers);
MainMapImage.Map.Layers.Add(layRoads);
MainMapImage.Map.Layers.Add(layCities);
MainMapImage.Map.Center = new SharpMap.Geometries.Point(-4, 40); //Set center of map
MainMapImage.Map.Zoom = 12; //Set zoom level
MainMapImage.Map.Size = new System.Drawing.Size(1000, 1000); //Set output size
MainMapImage.ActiveTool = SharpMap.Forms.MapImage.Tools.Pan;
MainMapImage.WheelZoomMagnitude = 1.5;
MainMapImage.Refresh();
}
public ClsTheme(SharpMap.Styles.VectorStyle style)
{
_style = style;
}
// demonstratas the use of dynamic styles (themes) for vector layers
private SharpMap.Styles.VectorStyle GetCountryStyle(SharpMap.Data.FeatureDataRow row)
{
// set a linear gradient brush for each country according to the bounding pixel rectangle
SharpMap.Styles.VectorStyle style = new SharpMap.Styles.VectorStyle();
Color c = SharpMap.Rendering.Thematics.ColorBlend.Rainbow7.GetColor((float)((System.Convert.ToDouble(row["KK_KAT"]) - 1.0) / 6.0));
c = Color.FromArgb(180, c.R, c.G, c.B);
style.Fill = new SolidBrush(c);
// set the border width depending on the map scale
Pen pen = new Pen(Brushes.Black, (int)(50.0 / map.PixelSize));
pen.LineJoin = LineJoin.Round;
style.Outline = pen;
style.EnableOutline = true;
return style;
}
//修改shp图层的外观，包括颜色和线宽
public void setShpLayer(string layername, Color color, int width)
{
ILayer layer = this.mapBox.Map.GetLayerByName(layername);
if (layer != null)
{
SharpMap.Styles.VectorStyle vs = new SharpMap.Styles.VectorStyle();
//Line
vs.Line.Color = color;
vs.Line.Width = width;
//Point
vs.PointColor = new SolidBrush(color);
vs.PointSize = width;
//Polygon
vs.Outline = new Pen(color, width);
vs.Fill = new SolidBrush(Color.Transparent);
vs.EnableOutline = true;
(layer as VectorLayer).Style = vs;
this.mapBox.Refresh();
}
}
/// <summary>
/// Creates an instance of this class
/// </summary>
/// <param name="styleRotationColumn">Name of the column, which contains the symbol</param>
/// <param name="defaultStyle">Default vector style from which parts are to be modified</param>
public SymbolFromFeatureDataRowTheming(System.String styleRotationColumn, SharpMap.Styles.VectorStyle defaultStyle)
{
SymbolColumn = styleRotationColumn;
DefaultStyle = defaultStyle;
}
private SharpMap.Styles.VectorStyle GetRoadCustomStyle(SharpMap.Data.FeatureDataRow row)
{
double zoom = MainMapImage.Map.Zoom;
bool isPrimary = row["ROUTE_INTE"].ToString().Equals("14 (Primary Route)");
if (zoom > 10)
{
if (isPrimary)
{
SharpMap.Styles.VectorStyle style = new SharpMap.Styles.VectorStyle();
style.Line = new Pen(Color.DarkRed, 2.0f);
return style;
}
else
{
SharpMap.Styles.VectorStyle style = new SharpMap.Styles.VectorStyle();
style.Line = new Pen(Color.Transparent, 0.1f);
return style;
}
}
else
if (isPrimary)
{
SharpMap.Styles.VectorStyle style = new SharpMap.Styles.VectorStyle();
style.Line = new Pen(Color.DarkRed, 3.0f);
return style;
}
else
return null; //Return null which will render the default style
}
