public static ICoordinate GetCoordinate(this OSGeo.OGR.Geometry geometry, int index)
{
ICoordinate coordinate = null;
if (geometry != null)
{
if (index >= 0 && index < geometry.GetPointCount())
{
int dimension = geometry.GetCoordinateDimension();
double[] buffer = new double[dimension];
switch (dimension)
{
case 2:
geometry.GetPoint_2D(index, buffer);
break;
case 3:
geometry.GetPoint(index, buffer);
break;
case 4:
geometry.GetPointZM(index, buffer);
break;
}
coordinate = new Coordinate(buffer);
}
}
return(coordinate);
}
public static void SetCoordinate(this OSGeo.OGR.Geometry geometry, int index, ICoordinate coordinate)
{
if (geometry != null && coordinate != null)
{
if (index >= 0 && index < geometry.GetPointCount())
{
int dimension = geometry.GetCoordinateDimension();
switch (dimension)
{
case 2:
geometry.SetPoint_2D(index, coordinate.X, coordinate.Y);
break;
case 3:
geometry.SetPoint(index, coordinate.X, coordinate.Y, coordinate.Z);
break;
case 4:
geometry.SetPointZM(index, coordinate.X, coordinate.Y, coordinate.Z, coordinate.M);
break;
}
}
}
}