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None Re: placement of cylinder 

Keywords: syntax for rotating a geometry
Forum: Geometry
Re: None placement of cylinder (rajani)
Re: None Re: placement of cylinder (Vladimir Grichine)
Re: None Re: placement of cylinder (rajani)
Date: 05 Mar, 2006
From: Vladimir Grichine <Vladimir Grichine>

According to the specification of G4PVPlacement:

G4PVPlacement(G4RotationMatrix *pRot,
            const G4ThreeVector &tlate,
                  G4LogicalVolume *pCurrentLogical,
            const G4String& pName,
                  G4LogicalVolume *pMotherLogical,
                  G4bool pMany,
                  G4int  pCopyNo,
                  G4bool pSurfChk=false);
// Initialise a single volume, positioned in a frame which is rotated by
// *pRot and traslated by tlate, relative to the coordinate system of the
// mother volume pMotherLogical.
// If pRot=0 the volume is unrotated with respect to its mother.

  G4PVPlacement(const G4Transform3D &Transform3D,
                        G4LogicalVolume *pCurrentLogical,
                  const G4String& pName,
                        G4LogicalVolume *pMotherLogical,
                        G4bool pMany,
                        G4int pCopyNo,
                        G4bool pSurfChk=false);
// Additional constructor, which expects a G4Transform3D that represents
// the direct rotation and translation of the solid (NOT of the frame).
// The G4Transform3D argument should be constructed by:
//  i) First rotating it to align the solid to the system of
//     reference of its mother volume *pMotherLogical, and
// ii) Then placing the solid at the location Transform3D.getTranslation(),
//     with respect to the origin of the system of coordinates of the
//     mother volume.
// [ This is useful for the people who prefer to think in terms
//   of moving objects in a given reference frame. ]
// All other arguments are the same as for the previous constructor.

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1 None: Re: placement of cylinder   (Vladimir Grichine - 08 Mar, 2006)
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