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None RE: question on how to use Readout geometry 

Forum: Geometry
Re: None question on how to use Readout geometry (long)
Date: 12 Jun, 2007
From: Makoto Asai <Makoto Asai>

>      I am trying to understand the significance of Readout 
> geometry. It seems 
> when the real geometry is complicated,using readout could be 
> useful.  So my 
> understanding is the hits collected is associated with 
> virtual readout geometry,
> not the real geometry.For example, if readout geometry A 
> coresponding real objects
> B and C in space, the energy deposition got in A is 
> contributed by two parts ,one from 
> B, the other from C. But user could not tell which part 
> belongs to which object. Is
> my understanding right?

Correct.

>      Then go further, another question is, in some case, if 
> we don't know the real 
> geometry before experiemnts, such as the real geometry is an 
> unknow sample waiting for 
> test, could we use readout geometry to avoid the correlation 
> between hits
> and the real sample? For example, sample A is a box, sample B 
> is a ball.
> we want to know the energy deposition in these samples. If we 
> can , that is a very
>  good news , because we only need to write one readout 
> geometry whose size is big enough
> to contain all samples. Can we?

Yes, you can. Please note that the boundary of the readout
geometry does not limit a step.

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