|Message: Re: How to get SOBP output with Hadrontherapy example||Not Logged In (login)|
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On Mon, 05 Apr 2010 02:13:18 GMT, Jongseok wrote:
> Thank for answering my question. > > As you told me, I changed modulator angles (1degree)for each beam(1000), > and I didn't change an output file name for summing all outputs. > > However, I couldn't get enough SOBP. > > In the following picture, > > THE RED LINE: > > no degree change of modulator /run/beamOn 4000 > > THE BLUE LINE: > > /run/beamOn 1000 /modulator/angle 1 deg /run/beamOn 1000 > /modulator/angle 1 deg /run/beamOn 1000 /modulator/angle 1 deg > /run/beamOn 1000 > > THE GREEN LINE: > > /run/beamOn 2000 /modulator/angle 1 deg /run/beamOn 2000 > > I modified running commands in proton_therapy.mac like previous > explanation. > > As you see attachment file, there is no SOBP. > > Are there some mistakes in commands? > > Or Should I change material for each elements? > > Attachment: > http://hypernews.slac.stanford.edu/HyperNews/geant4/get/AUX/2010/04/04/19.04-39276-output.JPG >
Hi, have you checked the modulator material? It is air by default and must be assigned to PMMA for a correct simulation.
I can suggest you to firstly start with the macro "modulator.mac" provided inside the example.
Regards, Pablo Cirrone
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