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This commit is contained in:
Gabriele Cosmo
2016-06-09 15:58:43 +02:00
parent 96c8bcd0af
commit b79225fb37
7544 changed files with 245407 additions and 91099 deletions
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source/geometry/solids/specific/src/G4Polycone.cc
+83 -76
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@@ -24,8 +24,8 @@
// ********************************************************************
//
//
// $Id: G4Polycone.cc,v 1.39 2007/10/02 09:50:46 gcosmo Exp $
// GEANT4 tag $Name: geant4-09-01 $
// $Id: G4Polycone.cc,v 1.43 2008/05/15 13:45:15 gcosmo Exp $
// GEANT4 tag $Name: geant4-09-02 $
//
//
// --------------------------------------------------------------------
@@ -780,88 +780,95 @@ G4ThreeVector G4Polycone::GetPointOnCut(G4double fRMin1, G4double fRMax1,
// GetPointOnSurface
//
G4ThreeVector G4Polycone::GetPointOnSurface() const
{
G4double Area=0,totArea=0,Achose1=0,Achose2=0,phi,cosphi,sinphi,rRand;
G4int i=0;
G4int numPlanes = original_parameters->Num_z_planes;
phi = RandFlat::shoot(startPhi,endPhi);
cosphi = std::cos(phi);
sinphi = std::sin(phi);
rRand = RandFlat::shoot(original_parameters->Rmin[0],
original_parameters->Rmax[0]);
std::vector<G4double> areas; // (numPlanes+1);
std::vector<G4ThreeVector> points; // (numPlanes-1);
areas.push_back(pi*(sqr(original_parameters->Rmax[0])
-sqr(original_parameters->Rmin[0])));
for(i=0; i<numPlanes-1; i++)
{
if (!genericPcon) // Polycone by faces
{
Area = (original_parameters->Rmin[i]+original_parameters->Rmin[i+1])*
std::sqrt(sqr(original_parameters->Rmin[i]
-original_parameters->Rmin[i+1])+
sqr(original_parameters->Z_values[i+1]
-original_parameters->Z_values[i]));
Area += (original_parameters->Rmax[i]+original_parameters->Rmax[i+1])*
std::sqrt(sqr(original_parameters->Rmax[i]
-original_parameters->Rmax[i+1])+
sqr(original_parameters->Z_values[i+1]
-original_parameters->Z_values[i]));
G4double Area=0,totArea=0,Achose1=0,Achose2=0,phi,cosphi,sinphi,rRand;
G4int i=0;
G4int numPlanes = original_parameters->Num_z_planes;
phi = RandFlat::shoot(startPhi,endPhi);
cosphi = std::cos(phi);
sinphi = std::sin(phi);
Area *= 0.5*(endPhi-startPhi);
if(startPhi==0.&& endPhi == twopi)
rRand = RandFlat::shoot(original_parameters->Rmin[0],
original_parameters->Rmax[0]);
std::vector<G4double> areas; // (numPlanes+1);
std::vector<G4ThreeVector> points; // (numPlanes-1);
areas.push_back(pi*(sqr(original_parameters->Rmax[0])
-sqr(original_parameters->Rmin[0])));
for(i=0; i<numPlanes-1; i++)
{
Area += std::fabs(original_parameters->Z_values[i+1]
-original_parameters->Z_values[i])*
(original_parameters->Rmax[i]
+original_parameters->Rmax[i+1]
-original_parameters->Rmin[i]
-original_parameters->Rmin[i+1]);
}
areas.push_back(Area);
totArea += Area;
}
areas.push_back(pi*(sqr(original_parameters->Rmax[numPlanes-1])-
sqr(original_parameters->Rmin[numPlanes-1])));
totArea += (areas[0]+areas[numPlanes]);
G4double chose = RandFlat::shoot(0.,totArea);
Area = (original_parameters->Rmin[i]+original_parameters->Rmin[i+1])
* std::sqrt(sqr(original_parameters->Rmin[i]
-original_parameters->Rmin[i+1])+
sqr(original_parameters->Z_values[i+1]
-original_parameters->Z_values[i]));
if( (chose>=0.) && (chose<areas[0]) )
{
return G4ThreeVector(rRand*cosphi, rRand*sinphi,
original_parameters->Z_values[0]);
}
for (i=0; i<numPlanes-1; i++)
{
Achose1 += areas[i];
Achose2 = (Achose1+areas[i+1]);
if(chose>=Achose1 && chose<Achose2)
{// G4cout<<"will return Point On Cut"<<G4endl;
return GetPointOnCut(original_parameters->Rmin[i],
original_parameters->Rmax[i],
original_parameters->Rmin[i+1],
original_parameters->Rmax[i+1],
original_parameters->Z_values[i],
original_parameters->Z_values[i+1], Area);
}
}
Area += (original_parameters->Rmax[i]+original_parameters->Rmax[i+1])
* std::sqrt(sqr(original_parameters->Rmax[i]
-original_parameters->Rmax[i+1])+
sqr(original_parameters->Z_values[i+1]
-original_parameters->Z_values[i]));
rRand = RandFlat::shoot(original_parameters->Rmin[numPlanes-1],
original_parameters->Rmax[numPlanes-1]);
Area *= 0.5*(endPhi-startPhi);
if(startPhi==0.&& endPhi == twopi)
{
Area += std::fabs(original_parameters->Z_values[i+1]
-original_parameters->Z_values[i])*
(original_parameters->Rmax[i]
+original_parameters->Rmax[i+1]
-original_parameters->Rmin[i]
-original_parameters->Rmin[i+1]);
}
areas.push_back(Area);
totArea += Area;
}
return G4ThreeVector(rRand*cosphi,rRand*sinphi,
original_parameters->Z_values[numPlanes-1]);
areas.push_back(pi*(sqr(original_parameters->Rmax[numPlanes-1])-
sqr(original_parameters->Rmin[numPlanes-1])));
totArea += (areas[0]+areas[numPlanes]);
G4double chose = RandFlat::shoot(0.,totArea);
if( (chose>=0.) && (chose<areas[0]) )
{
return G4ThreeVector(rRand*cosphi, rRand*sinphi,
original_parameters->Z_values[0]);
}
for (i=0; i<numPlanes-1; i++)
{
Achose1 += areas[i];
Achose2 = (Achose1+areas[i+1]);
if(chose>=Achose1 && chose<Achose2)
{
return GetPointOnCut(original_parameters->Rmin[i],
original_parameters->Rmax[i],
original_parameters->Rmin[i+1],
original_parameters->Rmax[i+1],
original_parameters->Z_values[i],
original_parameters->Z_values[i+1], Area);
}
}
rRand = RandFlat::shoot(original_parameters->Rmin[numPlanes-1],
original_parameters->Rmax[numPlanes-1]);
return G4ThreeVector(rRand*cosphi,rRand*sinphi,
original_parameters->Z_values[numPlanes-1]);
}
else // Generic Polycone
{
return GetPointOnSurfaceGeneric();
}
}
//
// CreatePolyhedron
//