BF: never more dimension names than the variable actually has. It is possible (though incorrect) that the dimorder can be set on a scalar image-min, e.g. This fix avoids triggering an error on these (arguably malformed) files.

Author: Robert D. Vincent

nibabel/minc2.py

@@ -77,7 +77,7 @@ def _get_dimensions(self, var):
             dimorder = var.attrs['dimorder'].decode()
         except KeyError:  # No specified dimensions
             return []
-        return dimorder.split(',')
+        return dimorder.split(',')[:len(var.shape)]
 
     def get_data_dtype(self):
         return self._image.dtype