|Message: Multiple, different hits collections filled by the same SD||Not Logged In (login)|
Click on the Forum title, e.g. on the "Forums by Category" page, to read a sequence of postings to the Forum and its threads all in one page. If you are only interested in one thread or the thread following a specific posting, click the thread or the posting, which takes you to a smaller page, which contains only the part you are interested in and may be easier to navigate.
Messages are "chained" if there are only replies at the first level, i.e. 1/1.html, 1/1/1.html etc. In case of "chained" messages the message number is replaced by the icon and there is no indentation.
Inline: Display the subject line only or also the text of the posting(s); for the choice "All" the "Outline" choices are switched off.
|1||0||1||no text / full text of posting|
|2||1||All||text for level 1 only / text for All postings|
Outline: Choose the depth of the posting thread, successive toggle controls provide increasing detail.
|1||2||1||2 levels / 1 level (original posting)|
|2||3||2||3 levels / 2 levels|
|3||3||All||3 levels / all levels (all postings)|
I am simulating scintillation caused by 511keV gamma irradiation in a LYSO crystal and want to record data about the gammas and electrons interacting in the crystal.
My only idea how to do this so far is to tell the SD which is attached to the scintillator to differentiate between gamma and electron hits and fill different hits collections accordingly. But this would require the SD to be able to produce 2 different kinds of hits objects and I don't know how to do that.
I found an entry offering an alternative, where it was suggested to attach an SD to the volume in question which would then in turn call two "secondary" SDs manually which would both process the same hit and extract different data. But these "secondary" SDs must be attached to some volume to work or not? Can I implement an SD without attaching a volume to it?
What I want in the end is two separate HitsCollections containing data about gammas and electrons, respectively. Or rather, I want to create output in the form of 2 separate nTuples containing gamma-data and electron-data, respectively.
Maybe there is a different solution that I've overlooked?
Thanks for any help!
|Inline Depth:||Outline Depth:||Add message:|