/// <summary>
/// Insers part to polygon based on given rectange
/// </summary>
private void InsertPart(MapWinGIS.Shape shp, double xMin, double xMax, double yMin, double yMax)
{
int numParts = shp.NumParts;
shp.InsertPart(shp.numPoints, ref numParts);
// to left
int index = shp.numPoints;
MapWinGIS.Point pnt = new MapWinGIS.Point();
pnt.x = xMin; pnt.y = yMax;
shp.InsertPoint(pnt, ref index); index++;
pnt = new MapWinGIS.Point();
pnt.x = xMax; pnt.y = yMax;
shp.InsertPoint(pnt, ref index); index++;
pnt = new MapWinGIS.Point();
pnt.x = xMax; pnt.y = yMin;
shp.InsertPoint(pnt, ref index); index++;
pnt = new MapWinGIS.Point();
pnt.x = xMin; pnt.y = yMin;
shp.InsertPoint(pnt, ref index); index++;
pnt = new MapWinGIS.Point();
pnt.x = xMin; pnt.y = yMax;
shp.InsertPoint(pnt, ref index); index++;
if (!shp.get_PartIsClockWise(0))
{
bool val = shp.ReversePointsOrder(0);
if (!val)
{
System.Diagnostics.Debug.Print("CCW");
}
}
if (!shp.get_PartIsClockWise(0))
{
System.Diagnostics.Debug.Print("CCW");
}
}