TShape problem

From: Thomas Eberl (teberl@physik.tu-muenchen.de)
Date: Thu Mar 30 2000 - 17:29:10 MEST


Dear rooters,

I have some questions about the GEANT 3 volumes in ROOT.
It is possible to create volumes like TTRAP, BRIK, PGON etc and to draw
them on a ROOT canvas or in a nice X3d view.
- Is it possible to give the corner coordinates of the different shapes
directly instead of using the constructors of the shape classes ? The
function SetPoints seems only to compute and fill an array with the
coordintes of the corners that were indirectly supplied before by
providing complicated angles and rotations and the like ...
Unfortunately, SetPoints does not actually set the points ... ??!!

- Are there some problems with the SetLineColor function for the shape
classes ??
  I have tried to provide a defined color for my shape (4 = blue e.g.),
but I only see black !
  I have tried to change the colors in the example from the Tutorials,
but it has no effect !!!

- Is it possible to change the attributes of the shapes while being in
the X3d view ?? We would like to use it for a fancy 3D event display !

Any help is welcome ... thanks in advance

Tom
-- 
Thomas Eberl                       Phone: (+49 89) 289 1 2425   
Physik-Department E12, Technische Universitaet Muenchen
James-Franck-Strasse *** D-85748 Garching b. Muenchen
Email: Thomas.Eberl@physik.tu-muenchen.de



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