|Message: Re: Changing geometry between runs with GDML (Ex-G02 not allowing update)||Not Logged In (login)|
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Jonathan Wrobel writes: > I appreciate the suggestions and I put the in changes that you > recommended: > > -G02DetectorConstruction.cc (see lines 41-46 & 130-133) > -G02DetectorMessenger.cc (see line 62) > > When I run the modified G02 example ($ ./geotest read_gdml.mac) it now > allows the /mydet/readFile command during Idle but it doesn't seem to do > anything. There is one additional piece, which I didn't notice was missing from your original posting. You need to notify the Run Manager that the geometry has been changed, so that it will call DetectorConstruction::Construct(). G4RunManager::GetRunManager()->GeometryHasBeenChanged(); > The command above ($ ./geotest read_gdml.mac) will launch the Qt viewer, > show the test.gdml geometry in the Qt viewer, and run the scripted > beamOn command. However, when I subsequently enter /mydet/readFile > test2.gdml (test2 is a different gdml file I created and validated > separately) nothing happens. I have tried to issue the following > commands after the /mydet/readFile command, but they did not help > either: > /run/geometryModified This should do the same thing as the function call above. You should be able to do this either before or after the /mydet/readFile command. > /run/reinitializeGeometry > /geometry/navigator/reset > /vis/viewer/refresh > > Strangely, nothing is showing up in the Output - should there be? Any > suggestions? Well, I don't think you'll get a different geometry drawn unless you do /vis/drawVolume. But if you set the geometry-modified flag before beamOn, you should still see the effect of the new geometry in your data. -- Michael Kelsey
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