public static void CheckOverlaySuccess(Geometry a, Geometry b, SpatialFunction opCode)
{
try
{
OverlayNGRobust.Overlay(a, b, opCode);
}
catch (Exception ex)
{
Assert.Fail("Overlay fails with an error: " + ex);
}
}
public static void CheckOverlayFail(Geometry a, Geometry b, SpatialFunction opCode)
{
try
{
OverlayNGRobust.Overlay(a, b, opCode);
Assert.Fail("Overlay was expected to fail");
}
catch
{
// do nothing - expected result
}
}
private static Geometry OverlayDifference(Geometry a, Geometry b, bool useNG, PrecisionModel pm)
{
if (useNG)
{
if (pm == null)
{
return(OverlayNGRobust.Overlay(a, b, SpatialFunction.Difference));
}
return(Operation.OverlayNG.OverlayNG.Overlay(a, b, SpatialFunction.Difference, pm));
}
return(a.Difference(b));
}
private static Geometry OverlayIntersection(Geometry a, Geometry b, bool useNG, PrecisionModel pm)
{
if (useNG)
{
if (pm == null)
{
return(OverlayNGRobust.Overlay(a, b, SpatialFunction.Intersection));
}
return(Operation.OverlayNG.OverlayNG.Overlay(a, b, SpatialFunction.Intersection, pm));
}
return(a.Intersection(b));
}
public override Geometry Union(Geometry a)
{
return(OverlayNGRobust.Union(a));
}
protected override Geometry Overlay(Geometry geom0, Geometry geom1, SpatialFunction opCode)
{
return(OverlayNGRobust.Overlay(geom0, geom1, opCode));
}
