|Message: Surface current or surface flux scoring with directionality||Not Logged In (login)|
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I would like to have a surface which scores the particles that cross it, but either only scores them if they cross it in one direction (say -z), or keeps track of whether their z component is positive or negaive when they cross. Does anyone have any experience with this?
PS. What is the difference between surface current and surface flux, say for a flat scoring surface?
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