+ vtkImageData* GetImageChangeInformation(int id);
+
+ void GetDimensionBase (int id,int *dim);
+ void GetSpcBase (int id,double *spc);
+ void GetDimensionOriginalLayer (int id,int *dim);
+ void GetSpcOriginalLayer (int id,double *spc);
+ void SetNewSpacingLayer (double *spc);
+
+ vtkLookupTable* GetLookupTable(int id);