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Forum: Geometry
Re: Question G4ExtrudedSolid: What are the rules for "legal" or "illegal" vectors of points? (Forrest Iandola)
Re: None Re: G4ExtrudedSolid: What are the rules for (Ivana Hrivnacova)
Re: Question Re: G4ExtrudedSolid: What are the rules for (Forrest Iandola)
Date: 25 May, 2012
From: Ivana Hrivnacova <Ivana Hrivnacova>

1. The zeroth point gets connected to the final point, correct? Let me
give an example. Consider a vector<G4TwoVector> which consists of four
points in this order: point0, point1, point2, point3. If I make a
G4ExtrudedSolid from this vector, the solid will have the following
edges: point0->point1, point1->point2, point2->point3, point3->point0.
Correct?

Yes.

2. I'm trying to learn how to use the G4ExtrudedSolid(const G4String&
pName, std::vector<G4TwoVector> polygon, std::vector<ZSection>
zsections) constructor. After looking at G4ExtrudedSolid.hh and
G4ExtrudedSolid.cc, I'm still a little bit confused. If possible, could
you point me to a correct example of how this constructor is used?

You can find an example in Application developers guide, see:
http://geant4.web.cern.ch/geant4/UserDocumentation/UsersGuides/ForApplicationDeveloper/html/ch04.html#sect.Geom.Solids
--> Extruded polygon
where you can find a description of both available contructors.

Best regards,

Ivana

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1 Ok: Re: G4ExtrudedSolid: What are the rules for   (Forrest Iandola - 25 May, 2012)
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