public static SharpMap.Map InitializeMap(float angle)
{
var fdt = GetRealFeatureDataTable();
FillRealDataTable(fdt);
var p = new SharpMap.Data.Providers.GeometryFeatureProvider(fdt);
var m = new SharpMap.Map();
m.BackgroundLayer.Add(new SharpMap.Layers.TileAsyncLayer(
new BruTile.Web.OsmTileSource(
new BruTile.Web.OsmRequest(KnownTileSource.OpenStreetMap),
new BruTile.Cache.FileCache(@"d:\temp\OSM", "png")), "OSM"));
m.BackgroundLayer[0].LayerName = "TileLayer with HeatLayer";
//var l = new SharpMap.Layers.HeatLayer(p, r => 0.02f) { LayerName = "HEAT" };
var l = new SharpMap.Layers.HeatLayer(p, "Data", 0.00025f) { LayerName = "HEAT" };
m.Layers.Add(l);
#if DotSpatialProjections
l.CoordinateTransformation = new DotSpatial.Projections.CoordinateTransformation
{
Source = DotSpatial.Projections.ProjectionInfo.FromEpsgCode(4326),
Target = DotSpatial.Projections.ProjectionInfo.FromEpsgCode(3857)
};
#else
var ctfac = new ProjNet.CoordinateSystems.Transformations.CoordinateTransformationFactory();
l.CoordinateTransformation =
ctfac.CreateFromCoordinateSystems(ProjNet.CoordinateSystems.GeographicCoordinateSystem.WGS84,
ProjNet.CoordinateSystems.ProjectedCoordinateSystem.WebMercator);
#endif
l.ZoomMin = 0;// 0.01 * m.GetExtents().Width;
l.ZoomMax = /*0.9 * */m.GetExtents().Width;
l.OpacityMax = 0.5f;
l.OpacityMin = 0.9f;
l.HeatColorBlend = SharpMap.Layers.HeatLayer.Classic;
var env = l.Envelope;
GeoAPI.Geometries.GeoAPIEx.Grow(env, env.Width * 0.05, env.Height * 0.05);
//m.EnforceMaximumExtents = true;
//m.MaximumExtents = env;
m.ZoomToBox(env);
return m;
}
public static SharpMap.Map InitializeMap(float angle)
{
var fdt = GetRealFeatureDataTable();
FillRealDataTable(fdt);
var p = new SharpMap.Data.Providers.GeometryFeatureProvider(fdt);
var m = new SharpMap.Map();
var tl = new SharpMap.Layers.TileAsyncLayer(KnownTileSources.Create(KnownTileSource.OpenStreetMap),
"TileLayer with HeatLayer", System.Drawing.Color.Transparent, false,
new BruTile.Cache.FileCache(@"d:\temp\OSM", "png"), System.Drawing.Imaging.ImageFormat.Png);
m.BackgroundLayer.Add(tl);
//var l = new SharpMap.Layers.HeatLayer(p, r => 0.02f) { LayerName = "HEAT" };
var l = new SharpMap.Layers.HeatLayer(p, "Data", 0.00025f)
{
LayerName = "HEAT"
};
m.Layers.Add(l);
var ctfac = new ProjNet.CoordinateSystems.Transformations.CoordinateTransformationFactory();
l.CoordinateTransformation =
ctfac.CreateFromCoordinateSystems(ProjNet.CoordinateSystems.GeographicCoordinateSystem.WGS84,
ProjNet.CoordinateSystems.ProjectedCoordinateSystem.WebMercator);
l.ZoomMin = 0;// 0.01 * m.GetExtents().Width;
l.ZoomMax = /*0.9 * */ m.GetExtents().Width;
l.OpacityMax = 0.5f;
l.OpacityMin = 0.9f;
l.HeatColorBlend = SharpMap.Layers.HeatLayer.Classic;
var env = l.Envelope;
GeoAPI.Geometries.GeoAPIEx.Grow(env, env.Width * 0.05, env.Height * 0.05);
//m.EnforceMaximumExtents = true;
//m.MaximumExtents = env;
m.ZoomToBox(env);
return(m);
}
