|Message: Re: How to retrieve Physics Interaction undergone by a particle||Not Logged In (login)|
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If you want to do this from within C++ code, you can ask the track for its CreatorProcess
You can also get this information from some of the visualization drivers. You have to use "Rich Trajectories" rather than regular trajectories, where "Rich" means they include extra information such as this CreatorProcess.
To do this, instead of /vis/scene/add/trajectories use /vis/scene/add/trajectories rich
Then click on the track in the visualization system.
If you're using /vis/open HepRepFile, the data will be included in the visualization file, and you can get it displayed by setting the HepRApp browser to have mouse clicks "Pick Rectangle" and then just click and drag to make a rectangle that contains the relevant track.
Let me know if you need more detail
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