protected override bool BeforeDraw(GraphicsDisplay disp, RawPoint[] geoline, System.Windows.Point[] line)
{
Path p = new Path(geoline);
Geometry geo = p.GeodesicBuffer(100000, GeoStar.Core.BufferCapType.eBufferFlatCap, 0.001);
m_Sym.StartDrawing(disp);
m_Sym.Draw(geo);
m_Sym.EndDrawing();
disp.IncrementCanvasAction();
return(false);
}
protected override void InnerDraw(GeoStarCore.geoDrawPhase drawPhase, GeoStarCore.IDisplay pDisplay, GeoStarCore.ITrackCancel pTrack)
{
if (m_TileList.Count == 0)
{
return;
}
List <QuadTile> vList = new List <QuadTile>();
lock (this)
{
vList.AddRange(m_TileList);
}
GeoStar.Core.SimpleFillSymbol sym = new GeoStar.Core.SimpleFillSymbol(
System.Drawing.Color.Transparent,
System.Drawing.Color.Red, 0.1f);
sym.StartDrawing(pDisplay as GeoStar.Core.Display);
GeoStar.Core.Envelope env = new GeoStar.Core.Envelope();
double xmin = 0, ymin = 0, xmax = 0, ymax = 0;
GeoStar.Core.TextSymbol txt = new GeoStar.Core.TextSymbol();
GeoStar.Core.Point pt = new GeoStar.Core.Point();
txt.Width = 5;
txt.Height = 5;
txt.StartDrawing(pDisplay as GeoStar.Core.Display);
foreach (var item in vList)
{
m_Pyramid.TileExtent(item.Level, item.Row, item.Col, ref xmin, ref ymin, ref xmax, ref ymax);
env.put_Coords(xmin, ymin, xmax, ymax);
sym.Draw(env);
pt.put_Coords(xmin, (ymin + ymax) / 2);
txt.Text = item.ToString();
txt.Draw(pt);
}
txt.EndDrawing();
sym.EndDrawing();
}