Hi Susan, I answer to the second part of your question. We have changed the return type of SetCut and SetProcess from void to Bool_t (Thanks Ivana) The changes are now in the CVS head (ROOT 4.00/07) as well as in the geant3 CVS head and geant4_vmc CVS head. Rene Brun Susan Kasahara wrote: > > Hi roottalk, > I would like to write a class that inherits from TGeoNode and > place nodes of this derived class in my constructed geometry > volumes. I'm having trouble in that there is no TGeoVolume::AddNode > method to support adding a preexisting node to a volume, e.g. > there is no AddNode method of the form: > TGeoVolume::AddNode(const TGeoNode* node) > I'm wondering if its possible to add support for this. > My second request is that I'd like to have the TVirtualMC methods > which configure the MC: > virtual void SetCut(const char* cutName, Double_t cutValue) = 0; > virtual void SetProcess(const char* flagName, Int_t flagValue) = 0; > return a value which indicates a success or failure for the setting > of the requested flag/cut. This would allow the caller to take > appropriate action if there is failure. > Thanks for your help, > -Sue
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