Gabriele Cosmo
86 lines
2.2 KiB
C++
86 lines
2.2 KiB
C++
// This code implementation is the intellectual property of
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// the RD44 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: G4PTrd.cc,v 2.0 1998/07/02 16:13:29 gunter Exp $
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// GEANT4 tag $Name: geant4-00 $
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//
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//
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// Implementation for G4Trd class
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//
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//
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// History:
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// 19.06.98 A.Kimura Converted G4Trd.cc
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#include "G4VSolid.hh"
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#include "G4PTrd.hh"
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#include "G4Trd.hh"
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#include "G4AffineTransform.hh"
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#include <math.h>
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// Constructor - check & set half widths
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G4PTrd::G4PTrd(const G4Trd* theTrd) : G4PCSGSolid(theTrd->GetName())
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{
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G4double pdx1 = theTrd->GetXHalfLength1();
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G4double pdx2 = theTrd->GetXHalfLength2();
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G4double pdy1 = theTrd->GetYHalfLength1();
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G4double pdy2 = theTrd->GetYHalfLength2();
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G4double pdz = theTrd->GetZHalfLength();
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CheckAndSetAllParameters (pdx1, pdx2, pdy1, pdy2, pdz);
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}
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void
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G4PTrd::CheckAndSetAllParameters (G4double pdx1, G4double pdx2,
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G4double pdy1, G4double pdy2,
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G4double pdz) {
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if (pdx1>0&&pdx2>0&&pdy1>0&&pdy2>0&&pdz>0)
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{
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fDx1=pdx1; fDx2=pdx2;
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fDy1=pdy1; fDy2=pdy2;
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fDz=pdz;
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}
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else
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{
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if (pdx1>=0 && pdx2>=0 && pdy1>=0 && pdy2>=0 && pdz>=0)
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{
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// G4double Minimum_length= (1+per_thousand) * kCarTolerance/2.;
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// FIX-ME : temporary solution for ZERO or very-small parameters.
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G4double Minimum_length= kCarTolerance/2.;
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fDx1=max(pdx1,Minimum_length);
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fDx2=max(pdx2,Minimum_length);
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fDy1=max(pdy1,Minimum_length);
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fDy2=max(pdy2,Minimum_length);
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fDz=max(pdz,Minimum_length);
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}
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else
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G4Exception("Error in G4PTrd::G4PTrd - One or more parameters are < 0");
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}
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}
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// -------------------------------------------------------------
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// Destructor
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G4PTrd::~G4PTrd()
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{}
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// -----------------------------------------------------------------------
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// make a transient object
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G4VSolid* G4PTrd::MakeTransientObject() const {
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G4VSolid* transientObject = new G4Trd(GetName(),
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fDx1, fDx2,
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fDy1, fDy2,
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fDz);
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return transientObject;
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}
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