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Last modification

• Rev 399 – 6061 d 19 h
• Author: jab

• Log message:

  VisObj which is responsible for drawing a single mesh in the MeshEdit application is now in its own file.
  I have created a class hierarchy of renderers. This leads to a homogeneous way for drawing different appearances.
  I have added some renderers: A reflection line renderer, an isophote renderer, a metallic renderer, and also
  a gouraud renderer and a wireframe renderer. So far these are just for MeshEdit but could perhaps migrate to
  GLGraphics.
  
  The dual function in MeshEdit was made robust, but it will bite off a layer of polygons around any boundary.
  
  Overall, the code is now much cleaner.