Nevermind... numPoints is NDR encoded... 01 = NDR 06 = wkbMultiPolygon 00000002 = num_wkbPolygons 00000001 = NDR // Polygon 1 03 = wkbPolygon 00000001 = numRings 0000034C = numPoints // 844 000000 = ??? 9DB98784EFED2540 C4793881E9BE4840 9F0F858549EF2540 676902A0E5BE4840 37FC6EBA65EF2540 9816F549EEBE4840 ...... Regards, Lars