void CCoordinateSystemGridBoundary::SetBoundaryExtents (MgCoordinate* southwest,
MgCoordinate* northeast)
{
MgGeometryFactory factory;
Ptr<MgCoordinate> swPnt;
Ptr<MgCoordinate> sePnt;
Ptr<MgCoordinate> nePnt;
Ptr<MgCoordinate> nwPnt;
Ptr<MgCoordinate> clPnt;
Ptr<MgCoordinateCollection> collection;
MG_TRY()
swPnt = factory.CreateCoordinateXY(southwest->GetX(),southwest->GetY());
sePnt = factory.CreateCoordinateXY(northeast->GetX(),southwest->GetY());
nePnt = factory.CreateCoordinateXY(northeast->GetX(),northeast->GetY());
nwPnt = factory.CreateCoordinateXY(southwest->GetX(),northeast->GetY());
clPnt = factory.CreateCoordinateXY(southwest->GetX(),southwest->GetY());
if (!swPnt|| !swPnt || !nePnt || !nwPnt ||!clPnt)
{
throw new MgOutOfMemoryException(L"MgCoordinateSystemGridBoundary.SetBoundaryExtents",
__LINE__, __WFILE__, NULL, L"", NULL);
}
collection = new MgCoordinateCollection();
if (collection == NULL)
{
throw new MgOutOfMemoryException(L"MgCoordinateSystemGridBoundary.SetBoundaryExtents",
__LINE__, __WFILE__, NULL, L"", NULL);
}
collection->Add (swPnt);
collection->Add (sePnt);
collection->Add (nePnt);
collection->Add (nwPnt);
collection->Add (clPnt);
Ptr<MgLinearRing> ring = factory.CreateLinearRing (collection);
if (ring == 0)
{
throw new MgOutOfMemoryException(L"MgCoordinateSystemGridBoundary.SetBoundaryExtents",
__LINE__, __WFILE__, NULL, L"", NULL);
}
m_GridBoundary = factory.CreatePolygon (ring,NULL);
MG_CATCH_AND_THROW(L"MgCoordinateSystemGridBoundary.SetBoundaryExtents")
}
