Gabriele Cosmo
89 lines
2.2 KiB
C++
89 lines
2.2 KiB
C++
// This code implementation is the intellectual property of
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// the GEANT4 collaboration.
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//
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// By copying, distributing or modifying the Program (or any work
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// based on the Program) you indicate your acceptance of this statement,
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// and all its terms.
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//
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// $Id: G4PCons.cc,v 1.2 1999/11/17 10:49:02 morita Exp $
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// GEANT4 tag $Name: geant4-03-00 $
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//
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// class G4PCons
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//
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// Implementation for G4PCons class
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//
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// History:
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// 19.06.98 A.Kimura Converted G4Cons.cc
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#include "G4VSolid.hh"
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#include "G4PCons.hh"
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#include "G4Cons.hh"
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#include "G4VoxelLimits.hh"
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#include "G4AffineTransform.hh"
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G4PCons::~G4PCons()
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{;}
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// make a transient object
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G4VSolid* G4PCons::MakeTransientObject() const {
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G4VSolid* transientObject = new G4Cons(GetName(),
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fRmin1, fRmax1,
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fRmin2, fRmax2,
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fDz,
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fSPhi, fDPhi);
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return transientObject;
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}
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// constructor - check parameters, convert angles so 0<sphi+dpshi<=2_PI
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// - note if pDPhi>2PI then reset to 2PI
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G4PCons::G4PCons(const G4Cons* theCons) : G4PCSGSolid(theCons->GetName()) {
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G4double pRmin1 = theCons->GetInnerRadiusMinusZ();
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G4double pRmax1 = theCons->GetOuterRadiusMinusZ();
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G4double pRmin2 = theCons->GetInnerRadiusPlusZ();
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G4double pRmax2 = theCons->GetOuterRadiusPlusZ();
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G4double pDz = theCons->GetZHalfLength();
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G4double pSPhi = theCons->GetStartPhiAngle();
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G4double pDPhi = theCons->GetDeltaPhiAngle();
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// Check z-len
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if (pDz>0) {
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fDz=pDz;
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} else {
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G4Exception("Error in G4PCons::G4PCons - invalid z half-length");
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}
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// Check radii
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if (pRmin1<pRmax1 && pRmin2<pRmax2 && pRmin1>=0 && pRmin2>=0) {
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fRmin1=pRmin1; fRmax1=pRmax1;
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fRmin2=pRmin2; fRmax2=pRmax2;
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} else {
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G4Exception("Error in G4PCons::G4PCons - invalid radii");
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}
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// Check angles
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if (pDPhi>=2.0*M_PI) {
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fDPhi=2*M_PI;
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fSPhi=0;
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} else {
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if (pDPhi>0) {
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fDPhi=pDPhi;
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} else {
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G4Exception("Error in G4PCons::G4PCons - invalid pDPhi");
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}
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// Ensure pSPhi in 0-2PI or -2PI-0 range if shape crosses 0
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if (pSPhi<0) {
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fSPhi=2.0*M_PI-fmod(fabs(pSPhi),2.0*M_PI);
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} else {
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fSPhi=fmod(pSPhi,2.0*M_PI);
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}
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if (fSPhi+fDPhi>2.0*M_PI) fSPhi-=2.0*M_PI;
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}
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}
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// ******************************* End of G4PCons.cc file **********************************
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