/// <summary>
/// If a Shape has multiple parts, this will create a separate polyline for each part.
/// </summary>
/// <param name="mwShape">A MapWinGIS.Shape that should be a PolyLine shape type</param>
/// <returns>A List of Polylines derived from the various shapes</returns>
public static List <PolyLine> mwShape_To_PolyLines(MapWinGIS.Shape mwShape)
{
if (Adapter.GetCategory(mwShape) != ShapeCategories.Line)
{
throw new ArgumentException("The Split method only takes Polyline shape types.");
}
List <PolyLine> newLines = new List <PolyLine>();
if (mwShape.NumParts <= 1)
{
PolyLine Part = new PolyLine();
for (int I = 0; I < mwShape.numPoints; I++)
{
Part.Add_Point(mwShape.get_Point(I));
}
newLines.Add(Part);
return(newLines);
}
int PartIndex = 0;
for (int P = 0; P < mwShape.NumParts; P++)
{
PolyLine Part = new PolyLine();
int Pnext = mwShape.get_Part(P);
for (int I = PartIndex; I < Pnext; I++)
{
Part.Add_Point(mwShape.get_Point(I));
}
newLines.Add(Part);
}
return(newLines);
}
/// <summary>
/// Returns a new instance of the Polyline class with the same values as this object.
/// </summary>
/// <returns>Topology2D.Polyline with identical points.</returns>
public PolyLine Copy()
{
PolyLine NewPoly = new PolyLine();
for (int I = 0; I < Points.Count; I++)
{
// Copy each point so that nothing references the same data
NewPoly.Add_Point(Points[I].Copy());
}
return(NewPoly);
}