+ // floor() is used to intentionally reduce the number of slices
+ // because, from a clinical point of view, it's better to
+ // remove data than to add data that privously didn't exist.
+ if(inputSpacing[i]*m_OutputSpacing[i]<0)
+ itkExceptionMacro( << "Input and output spacings don't have the same signs, can't cope with that" );
+ m_OutputSize[i] = (int)floor(inputSize[i]*inputSpacing[i]/m_OutputSpacing[i]);