Hi John, The latest Users Guide does not include the geometry description. This chapter is the next one to be written. We put the priority on the long awaited chapter on the GUI. I believe that the classes describing the geometry package are quite well documented (thanks to Mihaela & Andrei). It could be that you started from the wrong place (should not be TGeometry) instead of TGeoManager. See the following classes: http://root.cern.ch/root/htmldoc/TGeoManager.html http://root.cern.ch/root/htmldoc/TGeoVolume.html http://root.cern.ch/root/htmldoc/TGeoNode.html http://root.cern.ch/root/htmldoc/TGeoShape.html http://root.cern.ch/root/htmldoc/TGeoVoxelFinder.html etc.. see tutorial rootgeom.C I will answer your mail about TClonesArray later. Rene Brun On Sat, 19 Jul 2003, Frankland John wrote: > Hello everybody > > I've just finished reading the long-awaited chapter on GUI creation > in the new Users' Manual, this is going to be a great help! Thankyou! > > However, with as much expectation I turned to the new chapter on the > geometry > package and what a disappointment! No explanation whatsoever. I have been > wanting to interface my detector description classes with the TGeometry > classes for a long time, in order to visualise, do tracking etc., but > the existing > HTML doc & example programmes are just incomprehensible to me. > > Any chance of a real (and real SIMPLE) manual in the near future ? > > Thanks a lot > John > > PS. my message about using TClonesArray::ExpandCreate > ( http://root.cern.ch/root/roottalk/roottalk03/2705.html ) didn't > provoke any reaction - > is this because noone received it ? >
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