Doxygen

tutorials/image/galaxy_image.C

-//Importing an image and manipulating it
-//Author: Valeriy Onuchin
+/// \file
+/// \ingroup image
+/// Importing an image and manipulating it.
+///
+/// \image html image_galaxy_image.png
+/// \macro_code
+///
+/// \author Valeriy Onuchin
 
 void galaxy_image()
 {

tutorials/image/hist2image.C

-//Create an image from a 2-D histogram and manipulate it
-//Author: Valeriy Onuchin
+/// \file
+/// \ingroup image
+/// Create an image from a 2-D histogram and manipulate it.
+///
+/// \image html image_hist2image.png
+/// \macro_code
+///
+/// \author Valeriy Onuchin
+
+#include <TAttImage.h>
+
 void hist2image()
 {
 

tutorials/image/hsumanim.C

-void hsumanim() {
-//
-// This script is a slightly modified version of hsum.C.
-// When run in batch mode, it produces an animated gif file.
-//Authors: Rene Brun, Valeriy Onuchin
+/// \file
+/// \ingroup image
+/// This script is a slightly modified version of hsum.C.
+/// When run in batch mode, it produces an animated gif file.
+///
+/// \macro_image
+/// \macro_code
+///
+/// \authors Rene Brun, Valeriy Onuchin
 
+void hsumanim() {
   c1 = new TCanvas("c1","The HSUM example",200,10,600,400);
   c1->SetGrid();