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Re: Strange shape for the cental part of beam pipe. [message #9181 is a reply to message #9176]

Tue, 11 August 2009 16:22

StefanoSpataro
Messages: 2736
Registered: June 2005
Location: Torino

first-grade participant

From: *56-82-r.retail.telecomitalia.it

If you look in PndPipe, pipeCentral is not used as it is, but after some logical operations:

TGeoCompositeShape *pipeCross = new TGeoCompositeShape("pipeCross", "(PIPE_CN+TRG_CN:r1) - (PIPEV_CN+TRGV_CN:r1)");
TGeoCompositeShape *pipeVacuumCross = new TGeoCompositeShape("pipeVacuumCross", "PIPEV_CN+TRGV_CN:r1");

In practice, totally filled beam+target pipe minus totally filled beam+target vacuum.
There is no overlap, simply logical subtraction of the volumes.

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[Message index]

		Strange shape for the cental part of beam pipe. By: donghee on Tue, 11 August 2009 11:08
		Re: Strange shape for the cental part of beam pipe. By: StefanoSpataro on Tue, 11 August 2009 16:22
		Re: Strange shape for the cental part of beam pipe. By: donghee on Tue, 11 August 2009 21:22
		Re: Strange shape for the cental part of beam pipe. By: StefanoSpataro on Tue, 11 August 2009 22:25

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