/// <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);
}
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");
}
