This warning: /home/ibanez/src/Insight/Utilities/MetaIO/metaImage.cxx: In method `bool MetaImage::ConvertElementDataTo (MET_ValueEnumType, double, double)': /home/ibanez/src/Insight/Utilities/MetaIO/metaImage.cxx:506: warning: deleting `void *' is undefined There is no way you can delete void* in c++. -Bill