public static SharpMap.Map InitializeMap(float angle)
{
//Initialize a new map of size 'imagesize'
SharpMap.Map map = new SharpMap.Map();
//Set up the countries layer
var layCountries = new VectorLayer("Countries");
//Set the datasource to a shapefile in the App_data folder
layCountries.DataSource = new SharpMap.Data.Providers.SpatiaLite(
DataSource, "countries", "geom", "PK_UID");
//Set fill-style to green
layCountries.Style.Fill = new System.Drawing.SolidBrush(System.Drawing.Color.Green);
//Set the polygons to have a black outline
layCountries.Style.Outline = System.Drawing.Pens.Black;
layCountries.Style.EnableOutline = true;
//Set up a river layer
var layRivers = new SharpMap.Layers.VectorLayer("Rivers");
//Set the datasource to a shapefile in the App_data folder
layRivers.DataSource = new SharpMap.Data.Providers.SpatiaLite(
DataSource, "rivers", "geom", "PK_UID");
//Define a blue 3px wide pen
layRivers.Style.Line = new System.Drawing.Pen(System.Drawing.Color.LightBlue, 2);
layRivers.Style.Line.CompoundArray = new[] { 0.2f, 0.8f };
layRivers.Style.Outline = new System.Drawing.Pen(System.Drawing.Color.DarkBlue, 3);
layRivers.Style.EnableOutline = true;
//Set up a cities layer
var layCities = new SharpMap.Layers.VectorLayer("Cities");
//Set the datasource to the spatialite table
layCities.DataSource = new SharpMap.Data.Providers.SpatiaLite(
DataSource, "cities", "geom", "PK_UID");
layCities.Style.SymbolScale = 0.8f;
layCities.MaxVisible = 40;
//Set up a country label layer
SharpMap.Layers.LabelLayer layLabel = new SharpMap.Layers.LabelLayer("Country labels")
{
DataSource = layCountries.DataSource,
LabelColumn = "NAME",
MultipartGeometryBehaviour = SharpMap.Layers.LabelLayer.MultipartGeometryBehaviourEnum.Largest,
LabelFilter = SharpMap.Rendering.LabelCollisionDetection.ThoroughCollisionDetection,
PriorityColumn = "POPDENS",
Style = new SharpMap.Styles.LabelStyle
{
ForeColor = System.Drawing.Color.White,
Font = new System.Drawing.Font(System.Drawing.FontFamily.GenericSerif, 12),
BackColor = new System.Drawing.SolidBrush(System.Drawing.Color.FromArgb(128, 255, 0, 0)),
HorizontalAlignment = SharpMap.Styles.LabelStyle.HorizontalAlignmentEnum.Center,
MaxVisible = 90,
MinVisible = 30,
CollisionDetection = true
}
};
//Set up a city label layer
SharpMap.Layers.LabelLayer layCityLabel = new SharpMap.Layers.LabelLayer("City labels")
{
DataSource = layCities.DataSource,
LabelColumn = "name",
PriorityColumn = "population",
PriorityDelegate = delegate(SharpMap.Data.FeatureDataRow fdr)
{
System.Int32 retVal = 10000000 * ( (System.String)fdr["capital"] == "Y" ? 1 : 0 );
return retVal + System.Convert.ToInt32(fdr["population"]);
},
TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAlias,
SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias,
LabelFilter = SharpMap.Rendering.LabelCollisionDetection.ThoroughCollisionDetection,
Style = new SharpMap.Styles.LabelStyle
{
ForeColor = System.Drawing.Color.Black,
Font = new System.Drawing.Font(System.Drawing.FontFamily.GenericSerif, 11),
MaxVisible = layLabel.MinVisible,
HorizontalAlignment = SharpMap.Styles.LabelStyle.HorizontalAlignmentEnum.Left,
VerticalAlignment = SharpMap.Styles.LabelStyle.VerticalAlignmentEnum.Bottom,
Offset = new System.Drawing.PointF(3, 3),
Halo = new System.Drawing.Pen(System.Drawing.Color.Yellow, 2),
CollisionDetection = true
}
};
var layRiverLabels = new SharpMap.Layers.LabelLayer("RiverLabels");
layRiverLabels.DataSource = layRivers.DataSource;
layRiverLabels.LabelColumn = "Name";
layRiverLabels.PriorityDelegate = GetRiverLength;
layRiverLabels.Style = new SharpMap.Styles.LabelStyle
{
Font = new System.Drawing.Font("Arial", 10, System.Drawing.FontStyle.Bold),
Halo = new System.Drawing.Pen(System.Drawing.Color.Azure, 2),
ForeColor = System.Drawing.Color.DarkCyan,
IgnoreLength = false,
Enabled = true,
CollisionDetection = true,
};
layRiverLabels.LabelFilter = SharpMap.Rendering.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 = System.Drawing.Color.LightBlue;
map.ZoomToExtents(); // = 360;
var mat = new System.Drawing.Drawing2D.Matrix();
mat.RotateAt(angle, map.WorldToImage(map.Center));
map.MapTransform = mat;
return map;
}
public static SharpMap.Map InitializeMap(float angle)
{
//Initialize a new map of size 'imagesize'
SharpMap.Map map = new SharpMap.Map();
//Set up the countries layer
var layCountries = new VectorLayer("Countries");
//Set the datasource to a shapefile in the App_data folder
layCountries.DataSource = new SharpMap.Data.Providers.SpatiaLite(
DataSource, "countries", "geom", "PK_UID");
//Set fill-style to green
layCountries.Style.Fill = new System.Drawing.SolidBrush(System.Drawing.Color.Green);
//Set the polygons to have a black outline
layCountries.Style.Outline = System.Drawing.Pens.Black;
layCountries.Style.EnableOutline = true;
//Set up a river layer
var layRivers = new SharpMap.Layers.VectorLayer("Rivers");
//Set the datasource to a shapefile in the App_data folder
layRivers.DataSource = new SharpMap.Data.Providers.SpatiaLite(
DataSource, "rivers", "geom", "PK_UID");
//Define a blue 3px wide pen
layRivers.Style.Line = new System.Drawing.Pen(System.Drawing.Color.LightBlue, 2);
layRivers.Style.Line.CompoundArray = new[] { 0.2f, 0.8f };
layRivers.Style.Outline = new System.Drawing.Pen(System.Drawing.Color.DarkBlue, 3);
layRivers.Style.EnableOutline = true;
//Set up a cities layer
var layCities = new SharpMap.Layers.VectorLayer("Cities");
//Set the datasource to the spatialite table
layCities.DataSource = new SharpMap.Data.Providers.SpatiaLite(
DataSource, "cities", "geom", "PK_UID");
layCities.Style.SymbolScale = 0.8f;
layCities.MaxVisible = 40;
//Set up a country label layer
SharpMap.Layers.LabelLayer layLabel = new SharpMap.Layers.LabelLayer("Country labels")
{
DataSource = layCountries.DataSource,
LabelColumn = "NAME",
MultipartGeometryBehaviour = SharpMap.Layers.LabelLayer.MultipartGeometryBehaviourEnum.Largest,
LabelFilter = SharpMap.Rendering.LabelCollisionDetection.ThoroughCollisionDetection,
PriorityColumn = "POPDENS",
Style = new SharpMap.Styles.LabelStyle
{
ForeColor = System.Drawing.Color.White,
Font = new System.Drawing.Font(System.Drawing.FontFamily.GenericSerif, 12),
BackColor = new System.Drawing.SolidBrush(System.Drawing.Color.FromArgb(128, 255, 0, 0)),
HorizontalAlignment = SharpMap.Styles.LabelStyle.HorizontalAlignmentEnum.Center,
MaxVisible = 90,
MinVisible = 30,
CollisionDetection = true
}
};
//Set up a city label layer
SharpMap.Layers.LabelLayer layCityLabel = new SharpMap.Layers.LabelLayer("City labels")
{
DataSource = layCities.DataSource,
LabelColumn = "name",
PriorityColumn = "population",
PriorityDelegate = delegate(SharpMap.Data.FeatureDataRow fdr)
{
System.Int32 retVal = 10000000 * ((System.String)fdr["capital"] == "Y" ? 1 : 0);
return(retVal + System.Convert.ToInt32(fdr["population"]));
},
TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAlias,
SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias,
LabelFilter = SharpMap.Rendering.LabelCollisionDetection.ThoroughCollisionDetection,
Style = new SharpMap.Styles.LabelStyle
{
ForeColor = System.Drawing.Color.Black,
Font = new System.Drawing.Font(System.Drawing.FontFamily.GenericSerif, 11),
MaxVisible = layLabel.MinVisible,
HorizontalAlignment = SharpMap.Styles.LabelStyle.HorizontalAlignmentEnum.Left,
VerticalAlignment = SharpMap.Styles.LabelStyle.VerticalAlignmentEnum.Bottom,
Offset = new System.Drawing.PointF(3, 3),
Halo = new System.Drawing.Pen(System.Drawing.Color.Yellow, 2),
CollisionDetection = true
}
};
var layRiverLabels = new SharpMap.Layers.LabelLayer("RiverLabels");
layRiverLabels.DataSource = layRivers.DataSource;
layRiverLabels.LabelColumn = "Name";
layRiverLabels.PriorityDelegate = GetRiverLength;
layRiverLabels.Style = new SharpMap.Styles.LabelStyle
{
Font = new System.Drawing.Font("Arial", 10, System.Drawing.FontStyle.Bold),
Halo = new System.Drawing.Pen(System.Drawing.Color.Azure, 2),
ForeColor = System.Drawing.Color.DarkCyan,
IgnoreLength = false,
Enabled = true,
CollisionDetection = true,
};
layRiverLabels.LabelFilter = SharpMap.Rendering.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 = System.Drawing.Color.LightBlue;
map.ZoomToExtents(); // = 360;
var mat = new System.Drawing.Drawing2D.Matrix();
mat.RotateAt(angle, map.WorldToImage(map.Center));
map.MapTransform = mat;
return(map);
}
