private static CALayer CreateSymbolFromVectorStyle(VectorStyle style)
{
const int defaultWidth = 32;
const int defaultHeight = 32;
var symbol = new CAShapeLayer();
if (style.Fill != null && style.Fill.Color != null)
{
symbol.FillColor = style.Fill.Color.ToCG();
}
else
{
symbol.BackgroundColor = new CGColor(0, 0, 0, 0);
}
if (style.Outline != null)
{
symbol.LineWidth = (float)style.Outline.Width;
symbol.StrokeColor = style.Outline.Color.ToCG();
}
var frame = new CGRect(-defaultWidth * 0.5f, -defaultHeight * 0.5f, defaultWidth, defaultHeight);
symbol.Path = UIBezierPath.FromRoundedRect((CGRect)frame, (nfloat)frame.Width / 2).CGPath;
return symbol;
}
void layerRequest_LayerRecived(object sender, EventArgs e)
{
Polygon poligono;
Earthwatchers.Models.KmlModels.Layer layer = sender as Earthwatchers.Models.KmlModels.Layer;
if (layer != null)
{
isFirstTime = false;
layersTest = layer;
foreach (Earthwatchers.Models.KmlModels.Zone zon in layer.Zones)
{
foreach (var p in zon.Polygons)
{
poligono = new Polygon { ExteriorRing = new LinearRing(ConvertHexCoordinates(p.Locations.Select(l => new Location(l.Longitude.Value, l.Latitude.Value)).ToList())) };
var feature = new Feature { Geometry = poligono };
var vStyle = new VectorStyle
{
Fill = new Brush { Color = Color.FromArgb(48, 255, 255, 255) },
Outline = new Pen { Color = Color.FromArgb(100, 241, 251, 187), Width = 2 }, //#F1FBBB
};
feature.Styles.Add(vStyle);
_source.Features.Add(feature);
}
}
Current.Instance.MapControl.OnViewChanged(true);
}
Current.Instance.MapControl.OnViewChanged(true);
}
private static XamlShapes.Shape CreateSymbolFromVectorStyle(VectorStyle style, double opacity = 1, SymbolType symbolType = SymbolType.Ellipse, double width = SymbolStyle.DefaultWidth, double height = SymbolStyle.DefaultHeight)
{
var path = new XamlShapes.Path { StrokeThickness = 0 }; //The SL StrokeThickness default is 1 which causes blurry bitmaps
if (style.Fill != null && (style.Fill.Color != null || style.Fill.BitmapId != -1))
path.Fill = style.Fill.ToXaml();
else
path.Fill = new XamlMedia.SolidColorBrush(XamlColors.Transparent);
if (style.Outline != null)
{
path.Stroke = new XamlMedia.SolidColorBrush(style.Outline.Color.ToXaml());
path.StrokeThickness = style.Outline.Width;
path.StrokeDashArray = style.Outline.PenStyle.ToXaml();
}
if (symbolType == SymbolType.Ellipse)
path.Data = CreateEllipse(width, height);
else
path.Data = CreateRectangle(width, height);
path.Opacity = opacity;
return path;
}
private void BtnNY_Click(object sender, RoutedEventArgs e)
{
this.xMapControl.Map = new Mapsui.Map();
IProvider wShapeFile = new Mapsui.Desktop.Shapefile.ShapeFile("NYTOWNS_POLY.shp", true);
var wLayerStyle = new Mapsui.Styles.VectorStyle();
wLayerStyle.Fill = new Mapsui.Styles.Brush {
FillStyle = FillStyle.Solid, Color = Mapsui.Styles.Color.Gray
};
wLayerStyle.Line = new Mapsui.Styles.Pen {
Color = Mapsui.Styles.Color.Black, PenStyle = PenStyle.Solid
};
wLayerStyle.Outline = new Mapsui.Styles.Pen {
Color = Mapsui.Styles.Color.Black, PenStyle = PenStyle.Solid
};
var wLayer = new Layer {
Name = "NY Townships", DataSource = wShapeFile, Style = wLayerStyle, Enabled = true
};
this.xMapControl.Map.Layers.Add(wLayer);
this.xMapControl.Refresh();
this.xMapControl.Refresh();
}
protected BaseLayer()
{
Name = "Layer";
Style = new VectorStyle();
Enabled = true;
MinVisible = 0;
MaxVisible = double.MaxValue;
Opacity = 1;
Id = _instanceCounter++;
}
private static void DrawPointWithVectorStyle(VectorStyle vectorStyle, Point destination)
{
var color = vectorStyle.Fill.Color;
GL.Color4((byte) color.R, (byte) color.G, (byte) color.B, (byte) color.A);
GL.PointSize((float) SymbolStyle.DefaultWidth);
GL.EnableClientState(All.VertexArray);
var destAsArray = new[] {(float) destination.X, (float) destination.Y};
GL.VertexPointer(2, All.Float, 0, destAsArray);
GL.DrawArrays(All.Points, 0, 1);
GL.DisableClientState(All.VertexArray);
}
public TileLayer(ITileSource source = null, int minTiles = 200, int maxTiles = 300, int maxRetries = TileFetcher.DefaultMaxAttempts,
int maxThreads = TileFetcher.DefaultMaxThreads, IFetchStrategy fetchStrategy = null,
IRenderGetStrategy renderFetchStrategy = null, int minExtraTiles = -1, int maxExtraTiles = -1)
{
_memoryCache = new MemoryCache<Feature>(minTiles, maxTiles);
Style = new VectorStyle { Outline = { Color = Color.FromArgb(0, 0, 0, 0) } }; // initialize with transparent outline
_maxRetries = maxRetries;
_maxThreads = maxThreads;
_fetchStrategy = fetchStrategy ?? new FetchStrategy();
_renderFetchStrategy = renderFetchStrategy ?? new RenderGetStrategy();
_minExtraTiles = minExtraTiles;
_maxExtraTiles = maxExtraTiles;
SetTileSource(source);
}
public static void Draw(CALayer target, IViewport viewport, IStyle style, IFeature feature)
{
var point = feature.Geometry as Geometries.Point;
var dest = viewport.WorldToScreen(point);
//var path = UIBezierPath.FromRect(new Rectangle((int)dest.X, (int)dest.Y, 20, 20));
var path = CGPath.FromRect(new CGRect((float)dest.X, (float)dest.Y, 20, 20), CGAffineTransform.MakeIdentity());
style = new VectorStyle();
if (!feature.RenderedGeometry.Keys.Contains(style))
{
feature.RenderedGeometry[style] = CreateRenderedPoint();
}
else
{
Console.WriteLine("test");
}
var renderedGeometry = (CAShapeLayer) feature.RenderedGeometry[style];
renderedGeometry.Path = path;
target.AddSublayer(renderedGeometry);
}
public TestLayer(string name)
: base(name)
{
_source = new MemoryProvider();
DataSource = _source;
List<Location> locations = new List<Location>();
locations.Add(new Location(-63.307, -23.203));
locations.Add(new Location(-63.200, -23.203));
locations.Add(new Location(-63.200, -23.350));
locations.Add(new Location(-63.307, -23.350));
locations.Add(new Location(-63.307, -23.203));
var polygon = new Polygon { ExteriorRing = new LinearRing(ConvertHexCoordinates(locations)) };
var feature = new Feature { Geometry = polygon };
var color = Color.Blue;
if (name.Equals("08-may"))
{
color = Color.Green;
}
else if (name.Equals("03-jun"))
{
color = Color.Red;
}
var vStyle = new VectorStyle
{
Fill = new Brush { Color = color },
Outline = new Pen { Color = Color.Black, Width = 0 },
};
feature.Styles.Add(vStyle);
_source.Features.Add(feature);
//Current.Instance.MapControl.OnViewChanged(true);
}
private void BtnOSMWithNY_Click(object sender, RoutedEventArgs e)
{
var customTrans = new CustomMinimalTransformation();
customTrans.LoadSourceWKT("NYTOWNS_POLY.prj");
//this.xMapControl.RenderMode = Mapsui.UI.Wpf.RenderMode.Wpf;
this.xMapControl.Map = new Mapsui.Map()
{
CRS = "EPSG:3857", Transformation = customTrans
};
this.xMapControl.Map.Layers.Add(new TileLayer(KnownTileSources.Create(KnownTileSource.BingHybrid)));
IProvider wShapeFile = new Mapsui.Desktop.Shapefile.ShapeFile("NYTOWNS_POLY.shp", true)
{
CRS = "EPSG:CUSTOM"
};
var wLayerStyle = new Mapsui.Styles.VectorStyle();
wLayerStyle.Fill = new Mapsui.Styles.Brush {
FillStyle = FillStyle.Solid, Color = Mapsui.Styles.Color.Gray
};
wLayerStyle.Line = new Mapsui.Styles.Pen {
Color = Mapsui.Styles.Color.Black, PenStyle = PenStyle.Solid
};
wLayerStyle.Outline = new Mapsui.Styles.Pen {
Color = Mapsui.Styles.Color.Black, PenStyle = PenStyle.Solid
};
var wLayer = new Layer {
Name = "NY Townships", DataSource = wShapeFile, Style = wLayerStyle, Enabled = true
};
this.xMapControl.Map.Layers.Add(wLayer);
this.xMapControl.Refresh();
}
private void BtnOSMWithUS_Click(object sender, RoutedEventArgs e)
{
var customTrans = new CustomMinimalTransformation();
customTrans.LoadSourceWKT(null);
this.xMapControl.RenderMode = Mapsui.UI.Wpf.RenderMode.Wpf;
this.xMapControl.Map = new Mapsui.Map()
{
CRS = "EPSG:3857", Transformation = customTrans
};
this.xMapControl.Map.Layers.Add(new TileLayer(KnownTileSources.Create(KnownTileSource.OpenStreetMap)));
IProvider wShapeFile = new Mapsui.Desktop.Shapefile.ShapeFile("lower48.shp", true)
{
CRS = "EPSG:4326"
};
//IProvider wShapeFile = new Mapsui.Desktop.Shapefile.ShapeFile("lower48.shp", true);
var wLayerStyle = new Mapsui.Styles.VectorStyle();
wLayerStyle.Fill = new Mapsui.Styles.Brush {
FillStyle = FillStyle.Solid, Color = Mapsui.Styles.Color.Orange
};
wLayerStyle.Line = new Mapsui.Styles.Pen {
Color = Mapsui.Styles.Color.Black, PenStyle = PenStyle.Solid
};
wLayerStyle.Outline = new Mapsui.Styles.Pen {
Color = Mapsui.Styles.Color.Red, PenStyle = PenStyle.Solid
};
var wLayer = new Layer {
Name = "Lower 48 States", DataSource = wShapeFile, Style = wLayerStyle, Enabled = true
};
this.xMapControl.Map.Layers.Add(wLayer);
this.xMapControl.Refresh();
}
void layerRequest_LayerRecived(object sender, EventArgs e)
{
isFirstTime = false;
Polygon poligono;
Earthwatchers.Models.KmlModels.Layer layer = sender as Earthwatchers.Models.KmlModels.Layer;
if (layer != null)
{
foreach (Earthwatchers.Models.KmlModels.Zone zon in layer.Zones)
{
if (zon.Name == "Zona Amarilla")
{
#region YellowArea
foreach (var p in zon.Polygons)
{
poligono = new Polygon { ExteriorRing = new LinearRing(ConvertHexCoordinates(p.Locations.Select(l => new Location(l.Longitude.Value, l.Latitude.Value)).ToList())) };
var feature = new Feature { Geometry = poligono };
var vStyle = new VectorStyle
{
Fill = new Brush { Color = Color.FromArgb(58, 254, 238, 0) },
Outline = new Pen { Color = Color.FromArgb(0, 255, 255, 0), Width = 2 },
};
feature.Styles.Add(vStyle);
_source.Features.Add(feature);
}
#endregion
}
else if (zon.Name == "Zona Roja")
{
#region RedArea
foreach (var p in zon.Polygons)
{
poligono = new Polygon { ExteriorRing = new LinearRing(ConvertHexCoordinates(p.Locations.Select(l => new Location(l.Longitude.Value, l.Latitude.Value)).ToList())) };
var feature = new Feature { Geometry = poligono };
var vStyle = new VectorStyle
{
Fill = new Brush { Color = Color.FromArgb(58, 255, 0, 0) },
Outline = new Pen { Color = Color.FromArgb(0, 255, 0, 0), Width = 2 },
};
feature.Styles.Add(vStyle);
_source.Features.Add(feature);
}
#endregion
}
else if (zon.Name == "Zona Verde")
{
#region GreenArea
foreach (var p in zon.Polygons)
{
poligono = new Polygon { ExteriorRing = new LinearRing(ConvertHexCoordinates(p.Locations.Select(l => new Location(l.Longitude.Value, l.Latitude.Value)).ToList())) };
var feature = new Feature { Geometry = poligono };
var vStyle = new VectorStyle
{
Fill = new Brush { Color = Color.FromArgb(110, 0, 144, 69) },
Outline = new Pen { Color = Color.FromArgb(0, 3, 255, 3), Width = 2 },
};
feature.Styles.Add(vStyle);
_source.Features.Add(feature);
}
#endregion
}
}
Current.Instance.MapControl.OnViewChanged(true);
}
Loaded(this, EventArgs.Empty);
}
private VectorStyle GetVectorStyle(LandStatus status, bool isOwnLand)
{
Brush fill;
Pen outline;
switch (status)
{
case LandStatus.NotChecked:
fill = new Brush { Color = Color.White };
outline = new Pen { Color = Color.Black, Width = 2 };
break;
case LandStatus.Ok:
fill = new Brush { Color = Color.Green };
outline = new Pen { Color = Color.Black, Width = 2 };
break;
case LandStatus.Alert:
fill = new Brush { Color = Color.Red };
outline = new Pen { Color = Color.Black, Width = 2 };
break;
default:
fill = new Brush { Color = Color.Orange };
outline = new Pen { Color = Color.Black, Width = 2 };
break;
}
if (isOwnLand)
{
outline = new Pen { Color = Color.Orange, Width = 4 };
}
var vStyle = new VectorStyle
{
Fill = fill,
Outline = outline,
};
vStyle.SetOpacity(opacity);
return vStyle;
}
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;
}
private static void DrawPointWithVectorStyle(SKCanvas canvas, VectorStyle vectorStyle,
Point destination, SymbolType symbolType = SymbolType.Ellipse)
{
canvas.Save();
canvas.Translate((float)destination.X, (float)destination.Y);
DrawPointWithVectorStyle(canvas, vectorStyle, symbolType);
canvas.Restore();
}
private static void DrawPointWithVectorStyle(SKCanvas canvas, VectorStyle vectorStyle,
SymbolType symbolType = SymbolType.Ellipse)
{
var fillPaint = new SKPaint
{
Color = vectorStyle.Fill.Color.ToSkia(),
Style = SKPaintStyle.Fill,
IsAntialias = true
};
var linePaint = (vectorStyle.Outline == null) ? null : new SKPaint
{
Color = vectorStyle.Outline.Color.ToSkia(),
StrokeWidth = (float) vectorStyle.Outline.Width,
Style = SKPaintStyle.Stroke,
IsAntialias = true
};
if (symbolType == SymbolType.Rectangle)
{
var rect = new SKRect(-HalfWidth, -HalfHeight, HalfWidth, HalfHeight);
DrawRect(canvas, rect, fillPaint, linePaint);
}
else if (symbolType == SymbolType.Ellipse)
{
DrawCircle(canvas, 0, 0, HalfWidth, fillPaint, linePaint);
}
}
private static IThemeStyle CreateCountryTheme()
{
//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.
var min = new VectorStyle { Outline = new Pen { Color = Color.Black } };
var max = new VectorStyle { Outline = new Pen { Color = Color.Black } };
//Create theme using a density from 0 (min) to 400 (max)
return new GradientTheme("PopDens", 0, 400, min, max) { FillColorBlend = ColorBlend.Rainbow5 };
}
private VectorStyle GetVectorStyle(LandStatus status, bool isOwnLand, bool demandAuthorities, bool ischecked, bool isGreenpeaceUser, bool islockedOnly, bool denouncedByMe)
{
Brush fill = null;
Pen outline = null;
switch (status)
{
case LandStatus.NotChecked: //STATUS 2 SIN CHEQUEAR
fill = new Brush { Color = Color.FromArgb(255, 255, 255, 255) };
outline = new Pen { Color = Color.Black, Width = 1 };
break;
case LandStatus.Ok: //STATUS 3 SIN DESMONTES
fill = new Brush { Color = Color.FromArgb(143, 121, 136, 35) };
outline = new Pen { Color = Color.FromArgb(255, 169, 183, 41), Width = 4 };
break;
case LandStatus.Alert: //STATUS 4 CON DESMONTES
fill = new Brush { Color = Color.FromArgb(143, 255, 236, 0) };
outline = new Pen { Color = Color.FromArgb(255, 255, 242, 0), Width = 4 };
break;
default: //DEFAULT, IDEM SIN CHEQUEAR
fill = new Brush { Color = Color.FromArgb(255, 255, 255, 255) };
outline = new Pen { Color = Color.Black, Width = 1 };
break;
}
if (ischecked && (status == LandStatus.Alert || status == LandStatus.Ok)) //VERIFICADA POR MI DESMONTADA O SIN DESMONTE
{
outline = new Pen { Color = Color.FromArgb(0, 0, 0, 0), Width = 1 };
}
if (isOwnLand && (status != LandStatus.Alert && status != LandStatus.Ok)) //MI PROPIA LAND
{
outline = new Pen { Color = Color.White, Width = 4 };
}
if (demandAuthorities) //LISTA PARA DEMANDAR
{
fill = new Brush { Color = Color.FromArgb(143, 167, 11, 10) };
outline = new Pen { Color = Color.FromArgb(255, 217, 7, 7), Width = 4 };
if (denouncedByMe)
{
outline = new Pen { Color = Color.FromArgb(0, 0, 0, 0), Width = 1 };
}
}
if (!demandAuthorities && islockedOnly)
{
outline = new Pen { Color = Color.FromArgb(0, 0, 0, 0), Width = 1 };
}
var vStyle = new VectorStyle
{
Fill = fill,
Outline = outline,
};
if (opacity == 0)
{
vStyle.SetOpacity(0);
}
else
{
if (Current.Instance.MapControl.Viewport.Resolution > 2.4 || Current.Instance.MapControl.Viewport.Resolution == 0)
{
vStyle.SetOpacity(opacity);
}
else
{
vStyle.SetOpacity(0);
}
}
return vStyle;
}
private static void RenderGeometry(Graphics graphics, IViewport viewport, IGeometry feature, VectorStyle style)
{
if (feature is Point)
GdiGeometryRenderer.DrawPoint(graphics, (Point)feature, style, viewport);
else if (feature is MultiPoint)
GdiGeometryRenderer.DrawMultiPoint(graphics, (MultiPoint) feature, style, viewport);
else if (feature is LineString)
GdiGeometryRenderer.DrawLineString(graphics, (LineString)feature, style.Line.Convert(), viewport);
else if (feature is MultiLineString)
GdiGeometryRenderer.DrawMultiLineString(graphics, (MultiLineString)feature, style.Line.Convert(), viewport);
else if (feature is Polygon)
GdiGeometryRenderer.DrawPolygon(graphics, (Polygon)feature, style.Fill.Convert(), style.Outline.Convert(), viewport);
else if (feature is MultiPolygon)
GdiGeometryRenderer.DrawMultiPolygon(graphics, (MultiPolygon)feature, style.Fill.Convert(), style.Outline.Convert(), viewport);
else if (feature is IRaster)
GdiGeometryRenderer.DrawRaster(graphics, feature as IRaster, viewport);
}
private static GradientTheme CreateCountryTheme()
{
//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.
var min = new VectorStyle();
min.Outline = new Pen { Color = Color.Black };
var max = new VectorStyle();
max.Outline = new Pen { Color = Color.Black };
//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;
//countries.Styles.Clear(); //remove styles added earlier
return popdens;
}
private static XamlShapes.Path CreatePolygonPath(VectorStyle style, double resolution)
{
var path = new XamlShapes.Path();
if (style.Outline != null)
{
path.Stroke = new XamlMedia.SolidColorBrush(style.Outline.Color.ToXaml());
path.StrokeThickness = style.Outline.Width * resolution;
path.Tag = new double?(style.Outline.Width); // see #outlinehack
}
path.Fill = style.Fill.ToXaml();
path.IsHitTestVisible = false;
return path;
}
private static XamlShapes.Path CreateLineStringPath(VectorStyle style)
{
var path = new XamlShapes.Path();
if (style.Outline != null)
{
//todo: render an outline around the line.
}
path.Stroke = new XamlMedia.SolidColorBrush(style.Line.Color.ToXaml());
path.StrokeThickness = style.Line.Width;
path.Tag = new double?(style.Line.Width); // see #outlinehack
path.IsHitTestVisible = false;
return path;
}
private static XamlShapes.Shape CreateSymbolFromVectorStyle(VectorStyle style, double opacity = 1,
SymbolType symbolType = SymbolType.Ellipse)
{
// The SL StrokeThickness default is 1 which causes blurry bitmaps
var path = new XamlShapes.Path
{
StrokeThickness = 0,
Fill = ToXaml(style.Fill)
};
if (style.Outline != null)
{
path.Stroke = new XamlMedia.SolidColorBrush(style.Outline.Color.ToXaml());
path.StrokeThickness = style.Outline.Width;
path.StrokeDashArray = style.Outline.PenStyle.ToXaml();
}
if (symbolType == SymbolType.Ellipse)
path.Data = CreateEllipse(SymbolStyle.DefaultWidth, SymbolStyle.DefaultHeight);
else
path.Data = CreateRectangle(SymbolStyle.DefaultWidth, SymbolStyle.DefaultHeight);
path.Opacity = opacity;
return path;
}