Small change in CalculateRaster. When the input files are incorrect the variable are cleaned but one of the was not yet initialized causing a memory exception.
Small change in CalculateRaster. When the input files are incorrect the variable are cleaned but one of the was not yet initialized causing a memory exception.

MapWindow/MapWinGIS,MapWindow/MapWinGIS,MapWindow/MapWinGIS,MapWindow/MapWinGIS,MapWindow/MapWinGIS