|Message: Re: ProcessHits() problem in sensitive detector||Not Logged In (login)|
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Hello. You will often not get expected hits in your sensitive detector if you have volume overlaps, which leads to "undefined" behavior from the navigator. In your macro, set "/tracking/verbose 4" to see that the particle is actually stepping into your sensitive volume. If it is not going into your sensitive volume but is passing through the parent or other upper level volumes at approximately the correct point(s), then your geometry probably has overlaps. You can run the tests under "/geometry/test", though I have gotten results reported as "okay" when there were major volume overlaps. Also, make sure you are registering the SD in its ctor. G4SDManager::GetSDMpointer()->AddNewDetector(this); Finally, simply check that the particle trajectory should, in fact, be passing through your sensitive volume. Though obvious, this has bitten me several times when my particle position or direction from the run macro was not quite right. --Jeremy
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