public void TestBasicLineSymbolizer()
{
ShapeFile p = new ShapeFile(@"d:\\daten\GeoFabrik\\roads.shp", false);
VectorLayer l = new VectorLayer("roads", p);
//l.Style.Outline = new System.Drawing.Pen(System.Drawing.Color.Firebrick, 5);
l.Style.Line = new Pen(Color.Gold, 1);
l.Style.EnableOutline = false;
Map m = new Map(new Size(1440, 1080)) { BackColor = Color.Cornsilk };
m.Layers.Add(l);
m.ZoomToExtents();
Stopwatch sw = new Stopwatch();
sw.Start();
m.GetMap();
sw.Stop();
Console.WriteLine(string.Format("Rendering old method: {0}ms", sw.ElapsedMilliseconds));
sw.Reset();
sw.Start();
Image bmp = m.GetMap();
sw.Stop();
Console.WriteLine(string.Format("Rendering old method: {0}ms", sw.ElapsedMilliseconds));
bmp.Save("NDSRoads1.bmp");
CachedLineSymbolizer cls = new CachedLineSymbolizer();
//cls.LineSymbolizeHandlers.Add(new SharpMap.Rendering.Symbolizer.PlainLineSymbolizeHandler { Line = new System.Drawing.Pen(System.Drawing.Color.Firebrick, 5) });
cls.LineSymbolizeHandlers.Add(new PlainLineSymbolizeHandler { Line = new Pen(Color.Gold, 1) });
l.Style.LineSymbolizer = cls;
sw.Reset(); sw.Start();
bmp = m.GetMap();
sw.Stop();
Console.WriteLine(string.Format("Rendering new method: {0}ms", sw.ElapsedMilliseconds));
bmp.Save("NDSRoads2.bmp");
}
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 ShapeFileEx("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 ShapeFileEx("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 ShapeFileEx("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("Arial", 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;
}
public void TestWarpedLineSymbolizer()
{
ShapeFile p = new ShapeFile(@"d:\\daten\GeoFabrik\\Aurich\\roads.shp", false);
VectorLayer l = new VectorLayer("roads", p);
CachedLineSymbolizer cls = new CachedLineSymbolizer();
cls.LineSymbolizeHandlers.Add(new PlainLineSymbolizeHandler { Line = new Pen(Color.Gold, 2) });
WarpedLineSymbolizeHander wls = new WarpedLineSymbolizeHander
{
Pattern =
WarpedLineSymbolizer.
GetGreaterSeries(3, 3),
Line = new Pen(Color.Firebrick, 1)
,
Interval = 20
};
cls.LineSymbolizeHandlers.Add(wls);
l.Style.LineSymbolizer = cls;
Map m = new Map(new Size(720, 540)) { BackColor = Color.Cornsilk };
m.Layers.Add(l);
m.ZoomToExtents();
Stopwatch sw = new Stopwatch();
sw.Start();
Image bmp = m.GetMap();
sw.Stop();
Console.WriteLine(string.Format("Rendering new method: {0}ms", sw.ElapsedMilliseconds));
bmp.Save("AurichRoads1.bmp");
cls.LineSymbolizeHandlers[1] = new WarpedLineSymbolizeHander
{
Pattern =
WarpedLineSymbolizer.
GetTriangle(4, 0),
Line = new Pen(Color.Firebrick, 1),
Fill = new SolidBrush(Color.Firebrick)
,
Interval = 10
};
sw.Reset(); sw.Start();
bmp = m.GetMap();
sw.Stop();
Console.WriteLine(string.Format("Rendering new method: {0}ms", sw.ElapsedMilliseconds));
bmp.Save("AurichRoads2-0.bmp");
cls.LineSymbolizeHandlers[1] = new WarpedLineSymbolizeHander
{
Pattern =
WarpedLineSymbolizer.
GetTriangle(4, 1),
Line = new Pen(Color.Firebrick, 1),
Fill = new SolidBrush(Color.Firebrick)
,
Interval = 10
};
sw.Reset(); sw.Start();
bmp = m.GetMap();
sw.Stop();
Console.WriteLine(string.Format("Rendering new method: {0}ms", sw.ElapsedMilliseconds));
bmp.Save("AurichRoads2-1.bmp");
cls.LineSymbolizeHandlers[1] = new WarpedLineSymbolizeHander
{
Pattern =
WarpedLineSymbolizer.
GetTriangle(4, 2),
Line = new Pen(Color.Firebrick, 1),
Fill = new SolidBrush(Color.Firebrick)
,
Interval = 10
};
sw.Reset(); sw.Start();
bmp = m.GetMap();
sw.Stop();
Console.WriteLine(string.Format("Rendering new method: {0}ms", sw.ElapsedMilliseconds));
bmp.Save("AurichRoads2-2.bmp");
cls.LineSymbolizeHandlers[1] = new WarpedLineSymbolizeHander
{
Pattern =
WarpedLineSymbolizer.
GetTriangle(4, 3),
Line = new Pen(Color.Firebrick, 1),
Fill = new SolidBrush(Color.Firebrick)
,
Interval = 10
};
sw.Reset(); sw.Start();
bmp = m.GetMap();
sw.Stop();
Console.WriteLine(string.Format("Rendering new method: {0}ms", sw.ElapsedMilliseconds));
bmp.Save("AurichRoads2-3.bmp");
//cls.LineSymbolizeHandlers[0] = cls.LineSymbolizeHandlers[1];
cls.LineSymbolizeHandlers[1] = new WarpedLineSymbolizeHander
{
Pattern =
WarpedLineSymbolizer.GetZigZag(4, 4),
Line = new Pen(Color.Firebrick, 1),
//Fill = new System.Drawing.SolidBrush(System.Drawing.Color.Firebrick)
};
sw.Reset(); sw.Start();
bmp = m.GetMap();
sw.Stop();
Console.WriteLine(string.Format("Rendering new method: {0}ms", sw.ElapsedMilliseconds));
bmp.Save("AurichRoads3.bmp");
}
/// <summary>
/// Returns the style based on a feature
/// </summary>
/// <param name="attribute">Set of attribute values to calculate the <see cref="SharpMap.Styles.IStyle"/> from</param>
/// <returns>The style</returns>
public IStyle GetStyle(IFeature attribute)
{
VectorStyle res = _style;
CachedLineSymbolizer cls = new CachedLineSymbolizer();
cls.LineSymbolizeHandlers.Add(new PlainLineSymbolizeHandler { Line = new Pen(Color.Gold, 2) });
WarpedLineSymbolizeHander wls = new WarpedLineSymbolizeHander
{
Pattern =
WarpedLineSymbolizer.
GetGreaterSeries(3, 3),
Line = new Pen(Color.Firebrick, 1)
,
Interval = 20
};
cls.LineSymbolizeHandlers.Add(wls);
cls.ImmediateMode = true;
res.LineSymbolizer = cls;
return res;
}
