(please cc me in the replies) Hi, There are two things I really do not understand about the above items: 1.- How to rotate a TCanvas about the xx, yy and zz axis using its TView. I do not understand very well the role of the psi angle in SetView(), although long and lat work fine. If it is just my trigonometry, then please send me to RTFM. 2.- More interesting: I'd like to set a canvas view based on which ever view the user sets on the I believe this is very useful. Otherwise whenever I Modify() the Canvas, I get the old view in the GL viewer. Any chances I can derive a TView info from the TPadOpenGLView? Thanks for any help, Andre David -- `----------------------------------- Andre David +41227676147 CERN-EP-NA60 +41792013849 Geneva, Switzerland -- `----------------------------------- Andre David +41227676147 CERN-EP-NA60 +41792013849 Geneva, Switzerland
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