int dimXImage = extImage[1]-extImage[0]+1;
int dimYImage = extImage[3]-extImage[2]+1;
int dimZImage = extImage[5]-extImage[4]+1;
int dimXImage = extImage[1]-extImage[0]+1;
int dimYImage = extImage[3]-extImage[2]+1;
int dimZImage = extImage[5]-extImage[4]+1;