message: DOC: fixed image types in dot graph
diff: @@ -42,11 +42,11 @@ namespace rtk
  * \dot
  * digraph RegularizedConjugateGradientConeBeamReconstructionFilter {
  *
  - * PrimaryInput [label="Primary input (4D sequence of volumes)"];
  + * PrimaryInput [label="Primary input (3D image)"];
  * PrimaryInput [shape=Mdiamond];
  * InputProjectionStack [label="Input projection stack"];
  * InputProjectionStack [shape=Mdiamond];
  - * Output [label="Output (Reconstruction: 4D sequence of volumes)"];
  + * Output [label="Output (Reconstruction: 3D image)"];
  * Output [shape=Mdiamond];
  *
  * node [shape=box];
  