Gabriele Cosmo
112 lines
2.2 KiB
C++
112 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: G4PTorus.cc,v 1.3 1999/12/15 14:51:25 gunter Exp $
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// GEANT4 tag $Name: geant4-03-00 $
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//
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//
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// class G4PTorus
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//
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// Implementation
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//
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// History:
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// 19.06.98 A.Kimura Converted G4Torus.cc
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#include "G4VSolid.hh"
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#include "G4PTorus.hh"
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#include "G4Torus.hh"
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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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G4PTorus::G4PTorus(const G4Torus* theTorus)
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: G4PCSGSolid(theTorus->GetName())
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{
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SetAllParameters(theTorus->GetRmin(),
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theTorus->GetRmax(),
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theTorus->GetRtor(),
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theTorus->GetSPhi(),
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theTorus->GetDPhi());
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}
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void
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G4PTorus::SetAllParameters(
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G4double pRmin,
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G4double pRmax,
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G4double pRtor,
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G4double pSPhi,
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G4double pDPhi)
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{
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// Check swept radius
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if (pRtor>=pRmax)
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{
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fRtor=pRtor;
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}
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else
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{
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G4Exception("Error in G4PTorus::SetAllParameters - invalid swept radius");
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}
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// Check radii
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if (pRmin<pRmax&&pRmin>=0)
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{
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fRmin=pRmin; fRmax=pRmax;
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}
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else
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{
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G4Exception("Error in G4PTorus::SetAllParameters - 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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{
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fDPhi=2*M_PI;
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}
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else
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{
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if (pDPhi>0)
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{
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fDPhi = pDPhi;
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}
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else
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{
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G4Exception("Error in G4PTorus::SetAllParameters - invalid dphi");
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}
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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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fSPhi = pSPhi;
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if (fSPhi<0)
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{
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fSPhi=2.0*M_PI-fmod(fabs(fSPhi),2.0*M_PI);
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}
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else
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{
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fSPhi=fmod(fSPhi,2.0*M_PI);
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}
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if (fSPhi+fDPhi>2.0*M_PI)
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{
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fSPhi-=2.0*M_PI;
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}
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}
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// Destructor
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G4PTorus::~G4PTorus()
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{;}
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// --------------------------------------------------------------------------
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// make a transient object
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G4VSolid* G4PTorus::MakeTransientObject() const {
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G4VSolid* transientObject = new G4Torus(GetName(),
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fRmin, fRmax,
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fRtor,
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fSPhi, fDPhi);
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return transientObject;
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}
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