private void ExtractButton_Click(object sender, RoutedEventArgs e)
{
if (clipByExtent)
{
GraphicCollection clipGraphics = new GraphicCollection();
clipGraphics.Add(new Graphic()
{
Geometry = GeometryTool.EnvelopeToPolygon(this.MapControl.Extent)
});
CreateGPParamsAndExtract(clipGraphics);
}
else
{
if (needGeneralized)
{
GeneralizeParameters genParam = new GeneralizeParameters()
{
DeviationUnit = LinearUnit.Meter, MaxDeviation = 10
};
geometryService.GeneralizeAsync(this.GraphicsLayer.Graphics, genParam);
}
else
{
CreateGPParamsAndExtract(this.GraphicsLayer.Graphics);
}
}
}
private void DrawObject_DrawComplete(object sender, DrawEventArgs e)
{
if (this.DrawWidget == this.GetType())
{
Graphic graphic = null;
if (this.drawMode == "Freepoly")
{
// Geometry needs to be simplified
needGeneralized = true;
// Create a Graphic with the newly closed Polygon
graphic = new ESRI.ArcGIS.Client.Graphic()
{
Geometry = GeometryTool.FreehandToPolygon(e.Geometry as Polyline),
Symbol = this.CurrentApp.Resources[SymbolResources.DRAW_FILL] as FillSymbol
};
}
else
{
// Create a Graphic with the drawn geometry
graphic = new ESRI.ArcGIS.Client.Graphic();
graphic.Symbol = this.CurrentApp.Resources[SymbolResources.DRAW_FILL] as FillSymbol;
switch (e.Geometry.GetType().Name)
{
case "Envelope":
graphic.Geometry = GeometryTool.EnvelopeToPolygon(e.Geometry as Envelope); break;
case "Polygon":
graphic.Geometry = e.Geometry; break;
}
}
if (graphic != null)
{
this.AddGraphic(graphic);
}
}
}