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geant4/source/graphics_reps/src/HepPolyhedron.cc
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2016-06-09 10:49:58 +02:00

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//
// ********************************************************************
// * DISCLAIMER *
// * *
// * The following disclaimer summarizes all the specific disclaimers *
// * of contributors to this software. The specific disclaimers,which *
// * govern, are listed with their locations in: *
// * http://cern.ch/geant4/license *
// * *
// * Neither the authors of this software system, nor their employing *
// * institutes,nor the agencies providing financial support for this *
// * work make any representation or warranty, express or implied, *
// * regarding this software system or assume any liability for its *
// * use. *
// * *
// * This code implementation is the intellectual property of the *
// * GEANT4 collaboration. *
// * By copying, distributing or modifying the Program (or any work *
// * based on the Program) you indicate your acceptance of this *
// * statement, and all its terms. *
// ********************************************************************
//
//
// $Id: HepPolyhedron.cc,v 1.12 2002/11/20 14:18:34 gcosmo Exp $
// GEANT4 tag $Name: geant4-05-02-patch-01 $
//
//
//
// G4 Polyhedron library
//
// History:
// 23.07.96 E.Chernyaev <Evgueni.Tcherniaev@cern.ch> - initial version
//
// 30.09.96 E.Chernyaev
// - added GetNextVertexIndex, GetVertex by Yasuhide Sawada
// - added GetNextUnitNormal, GetNextEdgeIndeces, GetNextEdge
//
// 15.12.96 E.Chernyaev
// - added GetNumberOfRotationSteps, RotateEdge, RotateAroundZ, SetReferences
// - rewritten G4PolyhedronCons;
// - added G4PolyhedronPara, ...Trap, ...Pgon, ...Pcon, ...Sphere, ...Torus
//
// 01.06.97 E.Chernyaev
// - modified RotateAroundZ, added SetSideFacets
//
// 19.03.00 E.Chernyaev
// - implemented boolean operations (add, subtract, intersect) on polyhedra;
//
// 25.05.01 E.Chernyaev
// - added GetSurfaceArea() and GetVolume();
//
// 05.11.02 E.Chernyaev
// - added createTwistedTrap() and createPolyhedron();
//
#include "HepPolyhedron.h"
#include <CLHEP/Units/SystemOfUnits.h>
#include <CLHEP/config/TemplateFunctions.h>
/***********************************************************************
* *
* Name: HepPolyhedron operator << Date: 09.05.96 *
* Author: E.Chernyaev (IHEP/Protvino) Revised: *
* *
* Function: Print contents of G4 polyhedron *
* *
***********************************************************************/
HepStd::ostream & operator<<(HepStd::ostream & ostr, const G4Facet & facet) {
for (int k=0; k<4; k++) {
ostr << " " << facet.edge[k].v << "/" << facet.edge[k].f;
}
return ostr;
}
HepStd::ostream & operator<<(HepStd::ostream & ostr, const HepPolyhedron & ph) {
ostr << HepStd::endl;
ostr << "Nverteces=" << ph.nvert << ", Nfacets=" << ph.nface << HepStd::endl;
int i;
for (i=1; i<=ph.nvert; i++) {
ostr << "xyz(" << i << ")="
<< ph.pV[i].x() << ' ' << ph.pV[i].y() << ' ' << ph.pV[i].z()
<< HepStd::endl;
}
for (i=1; i<=ph.nface; i++) {
ostr << "face(" << i << ")=" << ph.pF[i] << HepStd::endl;
}
return ostr;
}
HepPolyhedron::HepPolyhedron(const HepPolyhedron &from)
/***********************************************************************
* *
* Name: HepPolyhedron copy constructor Date: 23.07.96 *
* Author: E.Chernyaev (IHEP/Protvino) Revised: *
* *
***********************************************************************/
: nvert(0), nface(0), pV(0), pF(0)
{
AllocateMemory(from.nvert, from.nface);
for (int i=1; i<=nvert; i++) pV[i] = from.pV[i];
for (int k=1; k<=nface; k++) pF[k] = from.pF[k];
}
HepPolyhedron & HepPolyhedron::operator=(const HepPolyhedron &from)
/***********************************************************************
* *
* Name: HepPolyhedron operator = Date: 23.07.96 *
* Author: E.Chernyaev (IHEP/Protvino) Revised: *
* *
* Function: Copy contents of one polyhedron to another *
* *
***********************************************************************/
{
if (this != &from) {
AllocateMemory(from.nvert, from.nface);
for (int i=1; i<=nvert; i++) pV[i] = from.pV[i];
for (int k=1; k<=nface; k++) pF[k] = from.pF[k];
}
return *this;
}
int
HepPolyhedron::FindNeighbour(int iFace, int iNode, int iOrder) const
/***********************************************************************
* *
* Name: HepPolyhedron::FindNeighbour Date: 22.11.99 *
* Author: E.Chernyaev Revised: *
* *
* Function: Find neighbouring face *
* *
***********************************************************************/
{
int i;
for (i=0; i<4; i++) {
if (iNode == abs(pF[iFace].edge[i].v)) break;
}
if (i == 4) {
HepStd::cerr
<< "HepPolyhedron::FindNeighbour: face " << iFace
<< " has no node " << iNode
<< HepStd::endl;
return 0;
}
if (iOrder < 0) {
if ( --i < 0) i = 3;
if (pF[iFace].edge[i].v == 0) i = 2;
}
return (pF[iFace].edge[i].v > 0) ? 0 : pF[iFace].edge[i].f;
}
HepNormal3D HepPolyhedron::FindNodeNormal(int iFace, int iNode) const
/***********************************************************************
* *
* Name: HepPolyhedron::FindNodeNormal Date: 22.11.99 *
* Author: E.Chernyaev Revised: *
* *
* Function: Find normal at given node *
* *
***********************************************************************/
{
HepNormal3D normal = GetUnitNormal(iFace);
int k = iFace, iOrder = 1, n = 1;
for(;;) {
k = FindNeighbour(k, iNode, iOrder);
if (k == iFace) break;
if (k > 0) {
n++;
normal += GetUnitNormal(k);
}else{
if (iOrder < 0) break;
k = iFace;
iOrder = -iOrder;
}
}
return normal.unit();
}
int HepPolyhedron::GetNumberOfRotationSteps()
/***********************************************************************
* *
* Name: HepPolyhedron::GetNumberOfRotationSteps Date: 24.06.97 *
* Author: J.Allison (Manchester University) Revised: *
* *
* Function: Get number of steps for whole circle *
* *
***********************************************************************/
{
return fNumberOfRotationSteps;
}
void HepPolyhedron::SetNumberOfRotationSteps(int n)
/***********************************************************************
* *
* Name: HepPolyhedron::SetNumberOfRotationSteps Date: 24.06.97 *
* Author: J.Allison (Manchester University) Revised: *
* *
* Function: Set number of steps for whole circle *
* *
***********************************************************************/
{
const int nMin = 3;
if (n < nMin) {
HepStd::cerr
<< "HepPolyhedron::SetNumberOfRotationSteps: attempt to set the\n"
<< "number of steps per circle < " << nMin << "; forced to " << nMin
<< HepStd::endl;
fNumberOfRotationSteps = nMin;
}else{
fNumberOfRotationSteps = n;
}
}
void HepPolyhedron::ResetNumberOfRotationSteps()
/***********************************************************************
* *
* Name: HepPolyhedron::GetNumberOfRotationSteps Date: 24.06.97 *
* Author: J.Allison (Manchester University) Revised: *
* *
* Function: Reset number of steps for whole circle to default value *
* *
***********************************************************************/
{
fNumberOfRotationSteps = DEFAULT_NUMBER_OF_STEPS;
}
void HepPolyhedron::AllocateMemory(int Nvert, int Nface)
/***********************************************************************
* *
* Name: HepPolyhedron::AllocateMemory Date: 19.06.96 *
* Author: E.Chernyaev (IHEP/Protvino) Revised: 05.11.02 *
* *
* Function: Allocate memory for GEANT4 polyhedron *
* *
* Input: Nvert - number of nodes *
* Nface - number of faces *
* *
***********************************************************************/
{
if (nvert == Nvert && nface == Nface) return;
if (pV != 0) delete [] pV;
if (pF != 0) delete [] pF;
if (Nvert > 0 && Nface > 0) {
nvert = Nvert;
nface = Nface;
pV = new HepPoint3D[nvert+1];
pF = new G4Facet[nface+1];
}else{
nvert = 0; nface = 0; pV = 0; pF = 0;
}
}
void HepPolyhedron::CreatePrism()
/***********************************************************************
* *
* Name: HepPolyhedron::CreatePrism Date: 15.07.96 *
* Author: E.Chernyaev (IHEP/Protvino) Revised: *
* *
* Function: Set facets for a prism *
* *
***********************************************************************/
{
enum {DUMMY, BOTTOM, LEFT, BACK, RIGHT, FRONT, TOP};
pF[1] = G4Facet(1,LEFT, 4,BACK, 3,RIGHT, 2,FRONT);
pF[2] = G4Facet(5,TOP, 8,BACK, 4,BOTTOM, 1,FRONT);
pF[3] = G4Facet(8,TOP, 7,RIGHT, 3,BOTTOM, 4,LEFT);
pF[4] = G4Facet(7,TOP, 6,FRONT, 2,BOTTOM, 3,BACK);
pF[5] = G4Facet(6,TOP, 5,LEFT, 1,BOTTOM, 2,RIGHT);
pF[6] = G4Facet(5,FRONT, 6,RIGHT, 7,BACK, 8,LEFT);
}
void HepPolyhedron::RotateEdge(int k1, int k2, double r1, double r2,
int v1, int v2, int vEdge,
bool ifWholeCircle, int ns, int &kface)
/***********************************************************************
* *
* Name: HepPolyhedron::RotateEdge Date: 05.12.96 *
* Author: E.Chernyaev (IHEP/Protvino) Revised: *
* *
* Function: Create set of facets by rotation of an edge around Z-axis *
* *
* Input: k1, k2 - end vertices of the edge *
* r1, r2 - radiuses of the end vertices *
* v1, v2 - visibility of edges produced by rotation of the end *
* vertices *
* vEdge - visibility of the edge *
* ifWholeCircle - is true in case of whole circle rotation *
* ns - number of discrete steps *
* r[] - r-coordinates *
* kface - current free cell in the pF array *
* *
***********************************************************************/
{
if (r1 == 0. && r2 == 0) return;
int i;
int i1 = k1;
int i2 = k2;
int ii1 = ifWholeCircle ? i1 : i1+ns;
int ii2 = ifWholeCircle ? i2 : i2+ns;
int vv = ifWholeCircle ? vEdge : 1;
if (ns == 1) {
if (r1 == 0.) {
pF[kface++] = G4Facet(i1,0, v2*i2,0, (i2+1),0);
}else if (r2 == 0.) {
pF[kface++] = G4Facet(i1,0, i2,0, v1*(i1+1),0);
}else{
pF[kface++] = G4Facet(i1,0, v2*i2,0, (i2+1),0, v1*(i1+1),0);
}
}else{
if (r1 == 0.) {
pF[kface++] = G4Facet(vv*i1,0, v2*i2,0, vEdge*(i2+1),0);
for (i2++,i=1; i<ns-1; i2++,i++) {
pF[kface++] = G4Facet(vEdge*i1,0, v2*i2,0, vEdge*(i2+1),0);
}
pF[kface++] = G4Facet(vEdge*i1,0, v2*i2,0, vv*ii2,0);
}else if (r2 == 0.) {
pF[kface++] = G4Facet(vv*i1,0, vEdge*i2,0, v1*(i1+1),0);
for (i1++,i=1; i<ns-1; i1++,i++) {
pF[kface++] = G4Facet(vEdge*i1,0, vEdge*i2,0, v1*(i1+1),0);
}
pF[kface++] = G4Facet(vEdge*i1,0, vv*i2,0, v1*ii1,0);
}else{
pF[kface++] = G4Facet(vv*i1,0, v2*i2,0, vEdge*(i2+1),0,v1*(i1+1),0);
for (i1++,i2++,i=1; i<ns-1; i1++,i2++,i++) {
pF[kface++] = G4Facet(vEdge*i1,0, v2*i2,0, vEdge*(i2+1),0,v1*(i1+1),0);
}
pF[kface++] = G4Facet(vEdge*i1,0, v2*i2,0, vv*ii2,0, v1*ii1,0);
}
}
}
void HepPolyhedron::SetSideFacets(int ii[4], int vv[4],
int *kk, double *r,
double dphi, int ns, int &kface)
/***********************************************************************
* *
* Name: HepPolyhedron::SetSideFacets Date: 20.05.97 *
* Author: E.Chernyaev (IHEP/Protvino) Revised: *
* *
* Function: Set side facets for the case of incomplete rotation *
* *
* Input: ii[4] - indeces of original verteces *
* vv[4] - visibility of edges *
* kk[] - indeces of nodes *
* r[] - radiuses *
* dphi - delta phi *
* ns - number of discrete steps *
* kface - current free cell in the pF array *
* *
***********************************************************************/
{
int k1, k2, k3, k4;
if (abs((double)(dphi-M_PI)) < perMillion) { // half a circle
for (int i=0; i<4; i++) {
k1 = ii[i];
k2 = (i == 3) ? ii[0] : ii[i+1];
if (r[k1] == 0. && r[k2] == 0.) vv[i] = -1;
}
}
if (ii[1] == ii[2]) {
k1 = kk[ii[0]];
k2 = kk[ii[2]];
k3 = kk[ii[3]];
pF[kface++] = G4Facet(vv[0]*k1,0, vv[2]*k2,0, vv[3]*k3,0);
if (r[ii[0]] != 0.) k1 += ns;
if (r[ii[2]] != 0.) k2 += ns;
if (r[ii[3]] != 0.) k3 += ns;
pF[kface++] = G4Facet(vv[2]*k3,0, vv[0]*k2,0, vv[3]*k1,0);
}else if (kk[ii[0]] == kk[ii[1]]) {
k1 = kk[ii[0]];
k2 = kk[ii[2]];
k3 = kk[ii[3]];
pF[kface++] = G4Facet(vv[1]*k1,0, vv[2]*k2,0, vv[3]*k3,0);
if (r[ii[0]] != 0.) k1 += ns;
if (r[ii[2]] != 0.) k2 += ns;
if (r[ii[3]] != 0.) k3 += ns;
pF[kface++] = G4Facet(vv[2]*k3,0, vv[1]*k2,0, vv[3]*k1,0);
}else if (kk[ii[2]] == kk[ii[3]]) {
k1 = kk[ii[0]];
k2 = kk[ii[1]];
k3 = kk[ii[2]];
pF[kface++] = G4Facet(vv[0]*k1,0, vv[1]*k2,0, vv[3]*k3,0);
if (r[ii[0]] != 0.) k1 += ns;
if (r[ii[1]] != 0.) k2 += ns;
if (r[ii[2]] != 0.) k3 += ns;
pF[kface++] = G4Facet(vv[1]*k3,0, vv[0]*k2,0, vv[3]*k1,0);
}else{
k1 = kk[ii[0]];
k2 = kk[ii[1]];
k3 = kk[ii[2]];
k4 = kk[ii[3]];
pF[kface++] = G4Facet(vv[0]*k1,0, vv[1]*k2,0, vv[2]*k3,0, vv[3]*k4,0);
if (r[ii[0]] != 0.) k1 += ns;
if (r[ii[1]] != 0.) k2 += ns;
if (r[ii[2]] != 0.) k3 += ns;
if (r[ii[3]] != 0.) k4 += ns;
pF[kface++] = G4Facet(vv[2]*k4,0, vv[1]*k3,0, vv[0]*k2,0, vv[3]*k1,0);
}
}
void HepPolyhedron::RotateAroundZ(int nstep, double phi, double dphi,
int np1, int np2,
const double *z, double *r,
int nodeVis, int edgeVis)
/***********************************************************************
* *
* Name: HepPolyhedron::RotateAroundZ Date: 27.11.96 *
* Author: E.Chernyaev (IHEP/Protvino) Revised: *
* *
* Function: Create HepPolyhedron for a solid produced by rotation of *
* two polylines around Z-axis *
* *
* Input: nstep - number of discrete steps, if 0 then default *
* phi - starting phi angle *
* dphi - delta phi *
* np1 - number of points in external polyline *
* (must be negative in case of closed polyline) *
* np2 - number of points in internal polyline (may be 1) *
* z[] - z-coordinates (+z >>> -z for both polylines) *
* r[] - r-coordinates *
* nodeVis - how to Draw edges joing consecutive positions of *
* node during rotation *
* edgeVis - how to Draw edges *
* *
***********************************************************************/
{
static double wholeCircle = 2*M_PI;
// S E T R O T A T I O N P A R A M E T E R S
bool ifWholeCircle = (abs(dphi-wholeCircle) < perMillion) ? true : false;
double delPhi = ifWholeCircle ? wholeCircle : dphi;
int nSphi = (nstep > 0) ?
nstep : int(delPhi*GetNumberOfRotationSteps()/wholeCircle+.5);
if (nSphi == 0) nSphi = 1;
int nVphi = ifWholeCircle ? nSphi : nSphi+1;
bool ifClosed = np1 > 0 ? false : true;
// C O U N T V E R T E C E S
int absNp1 = abs(np1);
int absNp2 = abs(np2);
int i1beg = 0;
int i1end = absNp1-1;
int i2beg = absNp1;
int i2end = absNp1+absNp2-1;
int i, j, k;
for(i=i1beg; i<=i2end; i++) {
if (abs(r[i]) < perMillion) r[i] = 0.;
}
j = 0; // external nodes
for (i=i1beg; i<=i1end; i++) {
j += (r[i] == 0.) ? 1 : nVphi;
}
bool ifSide1 = false; // internal nodes
bool ifSide2 = false;
if (r[i2beg] != r[i1beg] || z[i2beg] != z[i1beg]) {
j += (r[i2beg] == 0.) ? 1 : nVphi;
ifSide1 = true;
}
for(i=i2beg+1; i<i2end; i++) {
j += (r[i] == 0.) ? 1 : nVphi;
}
if (r[i2end] != r[i1end] || z[i2end] != z[i1end]) {
if (absNp2 > 1) j += (r[i2end] == 0.) ? 1 : nVphi;
ifSide2 = true;
}
// C O U N T F A C E S
k = ifClosed ? absNp1*nSphi : (absNp1-1)*nSphi; // external faces
if (absNp2 > 1) { // internal faces
for(i=i2beg; i<i2end; i++) {
if (r[i] > 0. || r[i+1] > 0.) k += nSphi;
}
if (ifClosed) {
if (r[i2end] > 0. || r[i2beg] > 0.) k += nSphi;
}
}
if (!ifClosed) { // side faces
if (ifSide1 && (r[i1beg] > 0. || r[i2beg] > 0.)) k += nSphi;
if (ifSide2 && (r[i1end] > 0. || r[i2end] > 0.)) k += nSphi;
}
if (!ifWholeCircle) { // phi_side faces
k += ifClosed ? 2*absNp1 : 2*(absNp1-1);
}
// A L L O C A T E M E M O R Y
AllocateMemory(j, k);
// G E N E R A T E V E R T E C E S
int *kk;
kk = new int[absNp1+absNp2];
k = 1;
for(i=i1beg; i<=i1end; i++) {
kk[i] = k;
if (r[i] == 0.) { pV[k++] = HepPoint3D(0, 0, z[i]); } else { k += nVphi; }
}
i = i2beg;
if (ifSide1) {
kk[i] = k;
if (r[i] == 0.) { pV[k++] = HepPoint3D(0, 0, z[i]); } else { k += nVphi; }
}else{
kk[i] = kk[i1beg];
}
for(i=i2beg+1; i<i2end; i++) {
kk[i] = k;
if (r[i] == 0.) { pV[k++] = HepPoint3D(0, 0, z[i]); } else { k += nVphi; }
}
if (absNp2 > 1) {
i = i2end;
if (ifSide2) {
kk[i] = k;
if (r[i] == 0.) pV[k] = HepPoint3D(0, 0, z[i]);
}else{
kk[i] = kk[i1end];
}
}
double cosPhi, sinPhi;
for(j=0; j<nVphi; j++) {
cosPhi = cos(phi+j*delPhi/nSphi);
sinPhi = sin(phi+j*delPhi/nSphi);
for(i=i1beg; i<=i2end; i++) {
if (r[i] != 0.) pV[kk[i]+j] = HepPoint3D(r[i]*cosPhi,r[i]*sinPhi,z[i]);
}
}
// G E N E R A T E E X T E R N A L F A C E S
int v1,v2;
k = 1;
v2 = ifClosed ? nodeVis : 1;
for(i=i1beg; i<i1end; i++) {
v1 = v2;
if (!ifClosed && i == i1end-1) {
v2 = 1;
}else{
v2 = (r[i] == r[i+1] && r[i+1] == r[i+2]) ? -1 : nodeVis;
}
RotateEdge(kk[i], kk[i+1], r[i], r[i+1], v1, v2,
edgeVis, ifWholeCircle, nSphi, k);
}
if (ifClosed) {
RotateEdge(kk[i1end], kk[i1beg], r[i1end],r[i1beg], nodeVis, nodeVis,
edgeVis, ifWholeCircle, nSphi, k);
}
// G E N E R A T E I N T E R N A L F A C E S
if (absNp2 > 1) {
v2 = ifClosed ? nodeVis : 1;
for(i=i2beg; i<i2end; i++) {
v1 = v2;
if (!ifClosed && i==i2end-1) {
v2 = 1;
}else{
v2 = (r[i] == r[i+1] && r[i+1] == r[i+2]) ? -1 : nodeVis;
}
RotateEdge(kk[i+1], kk[i], r[i+1], r[i], v2, v1,
edgeVis, ifWholeCircle, nSphi, k);
}
if (ifClosed) {
RotateEdge(kk[i2beg], kk[i2end], r[i2beg], r[i2end], nodeVis, nodeVis,
edgeVis, ifWholeCircle, nSphi, k);
}
}
// G E N E R A T E S I D E F A C E S
if (!ifClosed) {
if (ifSide1) {
RotateEdge(kk[i2beg], kk[i1beg], r[i2beg], r[i1beg], 1, 1,
-1, ifWholeCircle, nSphi, k);
}
if (ifSide2) {
RotateEdge(kk[i1end], kk[i2end], r[i1end], r[i2end], 1, 1,
-1, ifWholeCircle, nSphi, k);
}
}
// G E N E R A T E S I D E F A C E S for the case of incomplete circle
if (!ifWholeCircle) {
int ii[4], vv[4];
if (ifClosed) {
for (i=i1beg; i<=i1end; i++) {
ii[0] = i;
ii[3] = (i == i1end) ? i1beg : i+1;
ii[1] = (absNp2 == 1) ? i2beg : ii[0]+absNp1;
ii[2] = (absNp2 == 1) ? i2beg : ii[3]+absNp1;
vv[0] = -1;
vv[1] = 1;
vv[2] = -1;
vv[3] = 1;
SetSideFacets(ii, vv, kk, r, dphi, nSphi, k);
}
}else{
for (i=i1beg; i<i1end; i++) {
ii[0] = i;
ii[3] = i+1;
ii[1] = (absNp2 == 1) ? i2beg : ii[0]+absNp1;
ii[2] = (absNp2 == 1) ? i2beg : ii[3]+absNp1;
vv[0] = (i == i1beg) ? 1 : -1;
vv[1] = 1;
vv[2] = (i == i1end-1) ? 1 : -1;
vv[3] = 1;
SetSideFacets(ii, vv, kk, r, dphi, nSphi, k);
}
}
}
delete [] kk;
if (k-1 != nface) {
HepStd::cerr
<< "Polyhedron::RotateAroundZ: number of generated faces ("
<< k-1 << ") is not equal to the number of allocated faces ("
<< nface << ")"
<< HepStd::endl;
}
}
void HepPolyhedron::SetReferences()
/***********************************************************************
* *
* Name: HepPolyhedron::SetReferences Date: 04.12.96 *
* Author: E.Chernyaev (IHEP/Protvino) Revised: *
* *
* Function: For each edge set reference to neighbouring facet *
* *
***********************************************************************/
{
if (nface <= 0) return;
struct edgeListMember {
edgeListMember *next;
int v2;
int iface;
int iedge;
} *edgeList, *freeList, **headList;
// A L L O C A T E A N D I N I T I A T E L I S T S
edgeList = new edgeListMember[2*nface];
headList = new edgeListMember*[nvert];
int i;
for (i=0; i<nvert; i++) {
headList[i] = 0;
}
freeList = edgeList;
for (i=0; i<2*nface-1; i++) {
edgeList[i].next = &edgeList[i+1];
}
edgeList[2*nface-1].next = 0;
// L O O P A L O N G E D G E S
int iface, iedge, nedge, i1, i2, k1, k2;
edgeListMember *prev, *cur;
for(iface=1; iface<=nface; iface++) {
nedge = (pF[iface].edge[3].v == 0) ? 3 : 4;
for (iedge=0; iedge<nedge; iedge++) {
i1 = iedge;
i2 = (iedge < nedge-1) ? iedge+1 : 0;
i1 = abs(pF[iface].edge[i1].v);
i2 = abs(pF[iface].edge[i2].v);
k1 = (i1 < i2) ? i1 : i2; // k1 = ::min(i1,i2);
k2 = (i1 > i2) ? i1 : i2; // k2 = ::max(i1,i2);
// check head of the List corresponding to k1
cur = headList[k1];
if (cur == 0) {
headList[k1] = freeList;
freeList = freeList->next;
cur = headList[k1];
cur->next = 0;
cur->v2 = k2;
cur->iface = iface;
cur->iedge = iedge;
continue;
}
if (cur->v2 == k2) {
headList[k1] = cur->next;
cur->next = freeList;
freeList = cur;
pF[iface].edge[iedge].f = cur->iface;
pF[cur->iface].edge[cur->iedge].f = iface;
i1 = (pF[iface].edge[iedge].v < 0) ? -1 : 1;
i2 = (pF[cur->iface].edge[cur->iedge].v < 0) ? -1 : 1;
if (i1 != i2) {
HepStd::cerr
<< "Polyhedron::SetReferences: different edge visibility "
<< iface << "/" << iedge << "/"
<< pF[iface].edge[iedge].v << " and "
<< cur->iface << "/" << cur->iedge << "/"
<< pF[cur->iface].edge[cur->iedge].v
<< HepStd::endl;
}
continue;
}
// check List itself
for (;;) {
prev = cur;
cur = prev->next;
if (cur == 0) {
prev->next = freeList;
freeList = freeList->next;
cur = prev->next;
cur->next = 0;
cur->v2 = k2;
cur->iface = iface;
cur->iedge = iedge;
break;
}
if (cur->v2 == k2) {
prev->next = cur->next;
cur->next = freeList;
freeList = cur;
pF[iface].edge[iedge].f = cur->iface;
pF[cur->iface].edge[cur->iedge].f = iface;
i1 = (pF[iface].edge[iedge].v < 0) ? -1 : 1;
i2 = (pF[cur->iface].edge[cur->iedge].v < 0) ? -1 : 1;
if (i1 != i2) {
HepStd::cerr
<< "Polyhedron::SetReferences: different edge visibility "
<< iface << "/" << iedge << "/"
<< pF[iface].edge[iedge].v << " and "
<< cur->iface << "/" << cur->iedge << "/"
<< pF[cur->iface].edge[cur->iedge].v
<< HepStd::endl;
}
break;
}
}
}
}
// C H E C K T H A T A L L L I S T S A R E E M P T Y
for (i=0; i<nvert; i++) {
if (headList[i] != 0) {
HepStd::cerr
<< "Polyhedron::SetReferences: List " << i << " is not empty"
<< HepStd::endl;
}
}
// F R E E M E M O R Y
delete [] edgeList;
delete [] headList;
}
void HepPolyhedron::InvertFacets()
/***********************************************************************
* *
* Name: HepPolyhedron::InvertFacets Date: 01.12.99 *
* Author: E.Chernyaev Revised: *
* *
* Function: Invert the order of the nodes in the facets *
* *
***********************************************************************/
{
if (nface <= 0) return;
int i, k, nnode, v[4],f[4];
for (i=1; i<=nface; i++) {
nnode = (pF[i].edge[3].v == 0) ? 3 : 4;
for (k=0; k<nnode; k++) {
v[k] = (k+1 == nnode) ? pF[i].edge[0].v : pF[i].edge[k+1].v;
if (v[k] * pF[i].edge[k].v < 0) v[k] = -v[k];
f[k] = pF[i].edge[k].f;
}
for (k=0; k<nnode; k++) {
pF[i].edge[nnode-1-k].v = v[k];
pF[i].edge[nnode-1-k].f = f[k];
}
}
}
HepPolyhedron & HepPolyhedron::Transform(const HepTransform3D &t)
/***********************************************************************
* *
* Name: HepPolyhedron::Transform Date: 01.12.99 *
* Author: E.Chernyaev Revised: *
* *
* Function: Make transformation of the polyhedron *
* *
***********************************************************************/
{
if (nvert > 0) {
for (int i=1; i<=nvert; i++) { pV[i] = t * pV[i]; }
// C H E C K D E T E R M I N A N T A N D
// I N V E R T F A C E T S I F I T I S N E G A T I V E
HepVector3D d = t * HepVector3D(0,0,0);
HepVector3D x = t * HepVector3D(1,0,0) - d;
HepVector3D y = t * HepVector3D(0,1,0) - d;
HepVector3D z = t * HepVector3D(0,0,1) - d;
if ((x.cross(y))*z < 0) InvertFacets();
}
return *this;
}
bool HepPolyhedron::GetNextVertexIndex(int &index, int &edgeFlag) const
/***********************************************************************
* *
* Name: HepPolyhedron::GetNextVertexIndex Date: 03.09.96 *
* Author: Yasuhide Sawada Revised: *
* *
* Function: *
* *
***********************************************************************/
{
static int iFace = 1;
static int iQVertex = 0;
int vIndex = pF[iFace].edge[iQVertex].v;
edgeFlag = (vIndex > 0) ? 1 : 0;
index = abs(vIndex);
if (iQVertex >= 3 || pF[iFace].edge[iQVertex+1].v == 0) {
iQVertex = 0;
if (++iFace > nface) iFace = 1;
return false; // Last Edge
}else{
++iQVertex;
return true; // not Last Edge
}
}
HepPoint3D HepPolyhedron::GetVertex(int index) const
/***********************************************************************
* *
* Name: HepPolyhedron::GetVertex Date: 03.09.96 *
* Author: Yasuhide Sawada Revised: 17.11.99 *
* *
* Function: Get vertex of the index. *
* *
***********************************************************************/
{
if (index <= 0 || index > nvert) {
HepStd::cerr
<< "HepPolyhedron::GetVertex: irrelevant index " << index
<< HepStd::endl;
return HepPoint3D();
}
return pV[index];
}
bool
HepPolyhedron::GetNextVertex(HepPoint3D &vertex, int &edgeFlag) const
/***********************************************************************
* *
* Name: HepPolyhedron::GetNextVertex Date: 22.07.96 *
* Author: John Allison Revised: *
* *
* Function: Get vertices of the quadrilaterals in order for each *
* face in face order. Returns false when finished each *
* face. *
* *
***********************************************************************/
{
int index;
bool rep = GetNextVertexIndex(index, edgeFlag);
vertex = pV[index];
return rep;
}
bool HepPolyhedron::GetNextVertex(HepPoint3D &vertex, int &edgeFlag,
HepNormal3D &normal) const
/***********************************************************************
* *
* Name: HepPolyhedron::GetNextVertex Date: 26.11.99 *
* Author: E.Chernyaev Revised: *
* *
* Function: Get vertices with normals of the quadrilaterals in order *
* for each face in face order. *
* Returns false when finished each face. *
* *
***********************************************************************/
{
static int iFace = 1;
static int iNode = 0;
if (nface == 0) return false; // empty polyhedron
int k = pF[iFace].edge[iNode].v;
if (k > 0) { edgeFlag = 1; } else { edgeFlag = -1; k = -k; }
vertex = pV[k];
normal = FindNodeNormal(iFace,k);
if (iNode >= 3 || pF[iFace].edge[iNode+1].v == 0) {
iNode = 0;
if (++iFace > nface) iFace = 1;
return false; // last node
}else{
++iNode;
return true; // not last node
}
}
bool HepPolyhedron::GetNextEdgeIndeces(int &i1, int &i2, int &edgeFlag,
int &iface1, int &iface2) const
/***********************************************************************
* *
* Name: HepPolyhedron::GetNextEdgeIndeces Date: 30.09.96 *
* Author: E.Chernyaev Revised: 17.11.99 *
* *
* Function: Get indeces of the next edge together with indeces of *
* of the faces which share the edge. *
* Returns false when the last edge. *
* *
***********************************************************************/
{
static int iFace = 1;
static int iQVertex = 0;
static int iOrder = 1;
int k1, k2, kflag, kface1, kface2;
if (iFace == 1 && iQVertex == 0) {
k2 = pF[nface].edge[0].v;
k1 = pF[nface].edge[3].v;
if (k1 == 0) k1 = pF[nface].edge[2].v;
if (abs(k1) > abs(k2)) iOrder = -1;
}
do {
k1 = pF[iFace].edge[iQVertex].v;
kflag = k1;
k1 = abs(k1);
kface1 = iFace;
kface2 = pF[iFace].edge[iQVertex].f;
if (iQVertex >= 3 || pF[iFace].edge[iQVertex+1].v == 0) {
iQVertex = 0;
k2 = abs(pF[iFace].edge[iQVertex].v);
iFace++;
}else{
iQVertex++;
k2 = abs(pF[iFace].edge[iQVertex].v);
}
} while (iOrder*k1 > iOrder*k2);
i1 = k1; i2 = k2; edgeFlag = (kflag > 0) ? 1 : 0;
iface1 = kface1; iface2 = kface2;
if (iFace > nface) {
iFace = 1; iOrder = 1;
return false;
}else{
return true;
}
}
bool
HepPolyhedron::GetNextEdgeIndeces(int &i1, int &i2, int &edgeFlag) const
/***********************************************************************
* *
* Name: HepPolyhedron::GetNextEdgeIndeces Date: 17.11.99 *
* Author: E.Chernyaev Revised: *
* *
* Function: Get indeces of the next edge. *
* Returns false when the last edge. *
* *
***********************************************************************/
{
int kface1, kface2;
return GetNextEdgeIndeces(i1, i2, edgeFlag, kface1, kface2);
}
bool
HepPolyhedron::GetNextEdge(HepPoint3D &p1,
HepPoint3D &p2,
int &edgeFlag) const
/***********************************************************************
* *
* Name: HepPolyhedron::GetNextEdge Date: 30.09.96 *
* Author: E.Chernyaev Revised: *
* *
* Function: Get next edge. *
* Returns false when the last edge. *
* *
***********************************************************************/
{
int i1,i2;
bool rep = GetNextEdgeIndeces(i1,i2,edgeFlag);
p1 = pV[i1];
p2 = pV[i2];
return rep;
}
bool
HepPolyhedron::GetNextEdge(HepPoint3D &p1, HepPoint3D &p2,
int &edgeFlag, int &iface1, int &iface2) const
/***********************************************************************
* *
* Name: HepPolyhedron::GetNextEdge Date: 17.11.99 *
* Author: E.Chernyaev Revised: *
* *
* Function: Get next edge with indeces of the faces which share *
* the edge. *
* Returns false when the last edge. *
* *
***********************************************************************/
{
int i1,i2;
bool rep = GetNextEdgeIndeces(i1,i2,edgeFlag,iface1,iface2);
p1 = pV[i1];
p2 = pV[i2];
return rep;
}
void HepPolyhedron::GetFacet(int iFace, int &n, int *iNodes,
int *edgeFlags, int *iFaces) const
/***********************************************************************
* *
* Name: HepPolyhedron::GetFacet Date: 15.12.99 *
* Author: E.Chernyaev Revised: *
* *
* Function: Get face by index *
* *
***********************************************************************/
{
if (iFace < 1 || iFace > nface) {
HepStd::cerr
<< "HepPolyhedron::GetFacet: irrelevant index " << iFace
<< HepStd::endl;
n = 0;
}else{
int i, k;
for (i=0; i<4; i++) {
k = pF[iFace].edge[i].v;
if (k == 0) break;
if (iFaces != 0) iFaces[i] = pF[iFace].edge[i].f;
if (k > 0) {
iNodes[i] = k;
if (edgeFlags != 0) edgeFlags[i] = 1;
}else{
iNodes[i] = -k;
if (edgeFlags != 0) edgeFlags[i] = -1;
}
}
n = i;
}
}
void HepPolyhedron::GetFacet(int index, int &n, HepPoint3D *nodes,
int *edgeFlags, HepNormal3D *normals) const
/***********************************************************************
* *
* Name: HepPolyhedron::GetFacet Date: 17.11.99 *
* Author: E.Chernyaev Revised: *
* *
* Function: Get face by index *
* *
***********************************************************************/
{
int iNodes[4];
GetFacet(index, n, iNodes, edgeFlags);
if (n != 0) {
for (int i=0; i<n; i++) {
nodes[i] = pV[iNodes[i]];
if (normals != 0) normals[i] = FindNodeNormal(index,iNodes[i]);
}
}
}
bool
HepPolyhedron::GetNextFacet(int &n, HepPoint3D *nodes,
int *edgeFlags, HepNormal3D *normals) const
/***********************************************************************
* *
* Name: HepPolyhedron::GetNextFacet Date: 19.11.99 *
* Author: E.Chernyaev Revised: *
* *
* Function: Get next face with normals of unit length at the nodes. *
* Returns false when finished all faces. *
* *
***********************************************************************/
{
static int iFace = 1;
if (edgeFlags == 0) {
GetFacet(iFace, n, nodes);
}else if (normals == 0) {
GetFacet(iFace, n, nodes, edgeFlags);
}else{
GetFacet(iFace, n, nodes, edgeFlags, normals);
}
if (++iFace > nface) {
iFace = 1;
return false;
}else{
return true;
}
}
HepNormal3D HepPolyhedron::GetNormal(int iFace) const
/***********************************************************************
* *
* Name: HepPolyhedron::GetNormal Date: 19.11.99 *
* Author: E.Chernyaev Revised: *
* *
* Function: Get normal of the face given by index *
* *
***********************************************************************/
{
if (iFace < 1 || iFace > nface) {
HepStd::cerr
<< "HepPolyhedron::GetNormal: irrelevant index " << iFace
<< HepStd::endl;
return HepNormal3D();
}
int i0 = abs(pF[iFace].edge[0].v);
int i1 = abs(pF[iFace].edge[1].v);
int i2 = abs(pF[iFace].edge[2].v);
int i3 = abs(pF[iFace].edge[3].v);
if (i3 == 0) i3 = i0;
return (pV[i2] - pV[i0]).cross(pV[i3] - pV[i1]);
}
HepNormal3D HepPolyhedron::GetUnitNormal(int iFace) const
/***********************************************************************
* *
* Name: HepPolyhedron::GetNormal Date: 19.11.99 *
* Author: E.Chernyaev Revised: *
* *
* Function: Get unit normal of the face given by index *
* *
***********************************************************************/
{
if (iFace < 1 || iFace > nface) {
HepStd::cerr
<< "HepPolyhedron::GetUnitNormal: irrelevant index " << iFace
<< HepStd::endl;
return HepNormal3D();
}
int i0 = abs(pF[iFace].edge[0].v);
int i1 = abs(pF[iFace].edge[1].v);
int i2 = abs(pF[iFace].edge[2].v);
int i3 = abs(pF[iFace].edge[3].v);
if (i3 == 0) i3 = i0;
return ((pV[i2] - pV[i0]).cross(pV[i3] - pV[i1])).unit();
}
bool HepPolyhedron::GetNextNormal(HepNormal3D &normal) const
/***********************************************************************
* *
* Name: HepPolyhedron::GetNextNormal Date: 22.07.96 *
* Author: John Allison Revised: 19.11.99 *
* *
* Function: Get normals of each face in face order. Returns false *
* when finished all faces. *
* *
***********************************************************************/
{
static int iFace = 1;
normal = GetNormal(iFace);
if (++iFace > nface) {
iFace = 1;
return false;
}else{
return true;
}
}
bool HepPolyhedron::GetNextUnitNormal(HepNormal3D &normal) const
/***********************************************************************
* *
* Name: HepPolyhedron::GetNextUnitNormal Date: 16.09.96 *
* Author: E.Chernyaev Revised: *
* *
* Function: Get normals of unit length of each face in face order. *
* Returns false when finished all faces. *
* *
***********************************************************************/
{
bool rep = GetNextNormal(normal);
normal = normal.unit();
return rep;
}
double HepPolyhedron::GetSurfaceArea() const
/***********************************************************************
* *
* Name: HepPolyhedron::GetSurfaceArea Date: 25.05.01 *
* Author: E.Chernyaev Revised: *
* *
* Function: Returns area of the surface of the polyhedron. *
* *
***********************************************************************/
{
double s = 0.;
for (int iFace=1; iFace<=nface; iFace++) {
int i0 = abs(pF[iFace].edge[0].v);
int i1 = abs(pF[iFace].edge[1].v);
int i2 = abs(pF[iFace].edge[2].v);
int i3 = abs(pF[iFace].edge[3].v);
if (i3 == 0) i3 = i0;
s += ((pV[i2] - pV[i0]).cross(pV[i3] - pV[i1])).mag();
}
return s/2.;
}
double HepPolyhedron::GetVolume() const
/***********************************************************************
* *
* Name: HepPolyhedron::GetVolume Date: 25.05.01 *
* Author: E.Chernyaev Revised: *
* *
* Function: Returns volume of the polyhedron. *
* *
***********************************************************************/
{
double v = 0.;
for (int iFace=1; iFace<=nface; iFace++) {
int i0 = abs(pF[iFace].edge[0].v);
int i1 = abs(pF[iFace].edge[1].v);
int i2 = abs(pF[iFace].edge[2].v);
int i3 = abs(pF[iFace].edge[3].v);
HepPoint3D g;
if (i3 == 0) {
i3 = i0;
g = (pV[i0]+pV[i1]+pV[i2]) * (1./3.);
}else{
g = (pV[i0]+pV[i1]+pV[i2]+pV[i3]) * 0.25;
}
v += ((pV[i2] - pV[i0]).cross(pV[i3] - pV[i1])).dot(g);
}
return v/6.;
}
int
HepPolyhedron::createTwistedTrap(double Dz,
const double xy1[][2],
const double xy2[][2])
/***********************************************************************
* *
* Name: createTwistedTrap Date: 05.11.02 *
* Author: E.Chernyaev (IHEP/Protvino) Revised: *
* *
* Function: Creates polyhedron for twisted trapezoid *
* *
* Input: Dz - half-length along Z 8----7 *
* xy1[2,4] - quadrilateral at Z=-Dz 5----6 ! *
* xy2[2,4] - quadrilateral at Z=+Dz ! 4-!--3 *
* 1----2 *
* *
***********************************************************************/
{
AllocateMemory(12,18);
pV[ 1] = HepPoint3D(xy1[0][0],xy1[0][1],-Dz);
pV[ 2] = HepPoint3D(xy1[1][0],xy1[1][1],-Dz);
pV[ 3] = HepPoint3D(xy1[2][0],xy1[2][1],-Dz);
pV[ 4] = HepPoint3D(xy1[3][0],xy1[3][1],-Dz);
pV[ 5] = HepPoint3D(xy2[0][0],xy2[0][1], Dz);
pV[ 6] = HepPoint3D(xy2[1][0],xy2[1][1], Dz);
pV[ 7] = HepPoint3D(xy2[2][0],xy2[2][1], Dz);
pV[ 8] = HepPoint3D(xy2[3][0],xy2[3][1], Dz);
pV[ 9] = (pV[1]+pV[2]+pV[5]+pV[6])/4.;
pV[10] = (pV[2]+pV[3]+pV[6]+pV[7])/4.;
pV[11] = (pV[3]+pV[4]+pV[7]+pV[8])/4.;
pV[12] = (pV[4]+pV[1]+pV[8]+pV[5])/4.;
enum {DUMMY, BOTTOM,
LEFT_BOTTOM, LEFT_FRONT, LEFT_TOP, LEFT_BACK,
BACK_BOTTOM, BACK_LEFT, BACK_TOP, BACK_RIGHT,
RIGHT_BOTTOM, RIGHT_BACK, RIGHT_TOP, RIGHT_FRONT,
FRONT_BOTTOM, FRONT_RIGHT, FRONT_TOP, FRONT_LEFT,
TOP};
pF[ 1]=G4Facet(1,LEFT_BOTTOM, 4,BACK_BOTTOM, 3,RIGHT_BOTTOM, 2,FRONT_BOTTOM);
pF[ 2]=G4Facet(4,BOTTOM, -1,LEFT_FRONT, -12,LEFT_BACK, 0,0);
pF[ 3]=G4Facet(1,FRONT_LEFT, -5,LEFT_TOP, -12,LEFT_BOTTOM, 0,0);
pF[ 4]=G4Facet(5,TOP, -8,LEFT_BACK, -12,LEFT_FRONT, 0,0);
pF[ 5]=G4Facet(8,BACK_LEFT, -4,LEFT_BOTTOM, -12,LEFT_TOP, 0,0);
pF[ 6]=G4Facet(3,BOTTOM, -4,BACK_LEFT, -11,BACK_RIGHT, 0,0);
pF[ 7]=G4Facet(4,LEFT_BACK, -8,BACK_TOP, -11,BACK_BOTTOM, 0,0);
pF[ 8]=G4Facet(8,TOP, -7,BACK_RIGHT, -11,BACK_LEFT, 0,0);
pF[ 9]=G4Facet(7,RIGHT_BACK, -3,BACK_BOTTOM, -11,BACK_TOP, 0,0);
pF[10]=G4Facet(2,BOTTOM, -3,RIGHT_BACK, -10,RIGHT_FRONT, 0,0);
pF[11]=G4Facet(3,BACK_RIGHT, -7,RIGHT_TOP, -10,RIGHT_BOTTOM, 0,0);
pF[12]=G4Facet(7,TOP, -6,RIGHT_FRONT, -10,RIGHT_BACK, 0,0);
pF[13]=G4Facet(6,FRONT_RIGHT,-2,RIGHT_BOTTOM,-10,RIGHT_TOP, 0,0);
pF[14]=G4Facet(1,BOTTOM, -2,FRONT_RIGHT, -9,FRONT_LEFT, 0,0);
pF[15]=G4Facet(2,RIGHT_FRONT,-6,FRONT_TOP, -9,FRONT_BOTTOM, 0,0);
pF[16]=G4Facet(6,TOP, -5,FRONT_LEFT, -9,FRONT_RIGHT, 0,0);
pF[17]=G4Facet(5,LEFT_FRONT, -1,FRONT_BOTTOM, -9,FRONT_TOP, 0,0);
pF[18]=G4Facet(5,FRONT_TOP, 6,RIGHT_TOP, 7,BACK_TOP, 8,LEFT_TOP);
return 0;
}
int
HepPolyhedron::createPolyhedron(int Nnodes, int Nfaces,
const double xyz[][3],
const int faces[][4])
/***********************************************************************
* *
* Name: createPolyhedron Date: 05.11.02 *
* Author: E.Chernyaev (IHEP/Protvino) Revised: *
* *
* Function: Creates user defined polyhedron *
* *
* Input: Nnodes - number of nodes *
* Nfaces - number of faces *
* nodes[][3] - node coordinates *
* faces[][4] - faces *
* *
***********************************************************************/
{
AllocateMemory(Nnodes, Nfaces);
if (nvert == 0) return 1;
for (int i=0; i<Nnodes; i++) {
pV[i+1] = HepPoint3D(xyz[i][0], xyz[i][1], xyz[i][2]);
}
for (int k=0; k<Nfaces; k++) {
pF[k+1] = G4Facet(faces[k][0],0,faces[k][1],0,faces[k][2],0,faces[k][3],0);
}
SetReferences();
return 0;
}
HepPolyhedronTrd2::HepPolyhedronTrd2(double Dx1, double Dx2,
double Dy1, double Dy2,
double Dz)
/***********************************************************************
* *
* Name: HepPolyhedronTrd2 Date: 22.07.96 *
* Author: E.Chernyaev (IHEP/Protvino) Revised: *
* *
* Function: Create GEANT4 TRD2-trapezoid *
* *
* Input: Dx1 - half-length along X at -Dz 8----7 *
* Dx2 - half-length along X ay +Dz 5----6 ! *
* Dy1 - half-length along Y ay -Dz ! 4-!--3 *
* Dy2 - half-length along Y ay +Dz 1----2 *
* Dz - half-length along Z *
* *
***********************************************************************/
{
AllocateMemory(8,6);
pV[1] = HepPoint3D(-Dx1,-Dy1,-Dz);
pV[2] = HepPoint3D( Dx1,-Dy1,-Dz);
pV[3] = HepPoint3D( Dx1, Dy1,-Dz);
pV[4] = HepPoint3D(-Dx1, Dy1,-Dz);
pV[5] = HepPoint3D(-Dx2,-Dy2, Dz);
pV[6] = HepPoint3D( Dx2,-Dy2, Dz);
pV[7] = HepPoint3D( Dx2, Dy2, Dz);
pV[8] = HepPoint3D(-Dx2, Dy2, Dz);
CreatePrism();
}
HepPolyhedronTrd2::~HepPolyhedronTrd2() {}
HepPolyhedronTrd1::HepPolyhedronTrd1(double Dx1, double Dx2,
double Dy, double Dz)
: HepPolyhedronTrd2(Dx1, Dx2, Dy, Dy, Dz) {}
HepPolyhedronTrd1::~HepPolyhedronTrd1() {}
HepPolyhedronBox::HepPolyhedronBox(double Dx, double Dy, double Dz)
: HepPolyhedronTrd2(Dx, Dx, Dy, Dy, Dz) {}
HepPolyhedronBox::~HepPolyhedronBox() {}
HepPolyhedronTrap::HepPolyhedronTrap(double Dz,
double Theta,
double Phi,
double Dy1,
double Dx1,
double Dx2,
double Alp1,
double Dy2,
double Dx3,
double Dx4,
double Alp2)
/***********************************************************************
* *
* Name: HepPolyhedronTrap Date: 20.11.96 *
* Author: E.Chernyaev Revised: *
* *
* Function: Create GEANT4 TRAP-trapezoid *
* *
* Input: DZ - half-length in Z *
* Theta,Phi - polar angles of the line joining centres of the *
* faces at Z=-Dz and Z=+Dz *
* Dy1 - half-length in Y of the face at Z=-Dz *
* Dx1 - half-length in X of low edge of the face at Z=-Dz *
* Dx2 - half-length in X of top edge of the face at Z=-Dz *
* Alp1 - angle between Y-axis and the median joining top and *
* low edges of the face at Z=-Dz *
* Dy2 - half-length in Y of the face at Z=+Dz *
* Dx3 - half-length in X of low edge of the face at Z=+Dz *
* Dx4 - half-length in X of top edge of the face at Z=+Dz *
* Alp2 - angle between Y-axis and the median joining top and *
* low edges of the face at Z=+Dz *
* *
***********************************************************************/
{
double DzTthetaCphi = Dz*tan(Theta)*cos(Phi);
double DzTthetaSphi = Dz*tan(Theta)*sin(Phi);
double Dy1Talp1 = Dy1*tan(Alp1);
double Dy2Talp2 = Dy2*tan(Alp2);
AllocateMemory(8,6);
pV[1] = HepPoint3D(-DzTthetaCphi-Dy1Talp1-Dx1,-DzTthetaSphi-Dy1,-Dz);
pV[2] = HepPoint3D(-DzTthetaCphi-Dy1Talp1+Dx1,-DzTthetaSphi-Dy1,-Dz);
pV[3] = HepPoint3D(-DzTthetaCphi+Dy1Talp1+Dx2,-DzTthetaSphi+Dy1,-Dz);
pV[4] = HepPoint3D(-DzTthetaCphi+Dy1Talp1-Dx2,-DzTthetaSphi+Dy1,-Dz);
pV[5] = HepPoint3D( DzTthetaCphi-Dy2Talp2-Dx3, DzTthetaSphi-Dy2, Dz);
pV[6] = HepPoint3D( DzTthetaCphi-Dy2Talp2+Dx3, DzTthetaSphi-Dy2, Dz);
pV[7] = HepPoint3D( DzTthetaCphi+Dy2Talp2+Dx4, DzTthetaSphi+Dy2, Dz);
pV[8] = HepPoint3D( DzTthetaCphi+Dy2Talp2-Dx4, DzTthetaSphi+Dy2, Dz);
CreatePrism();
}
HepPolyhedronTrap::~HepPolyhedronTrap() {}
HepPolyhedronPara::HepPolyhedronPara(double Dx, double Dy, double Dz,
double Alpha, double Theta,
double Phi)
: HepPolyhedronTrap(Dz, Theta, Phi, Dy, Dx, Dx, Alpha, Dy, Dx, Dx, Alpha) {}
HepPolyhedronPara::~HepPolyhedronPara() {}
HepPolyhedronCons::HepPolyhedronCons(double Rmn1,
double Rmx1,
double Rmn2,
double Rmx2,
double Dz,
double Phi1,
double Dphi)
/***********************************************************************
* *
* Name: HepPolyhedronCons::HepPolyhedronCons Date: 15.12.96 *
* Author: E.Chernyaev (IHEP/Protvino) Revised: 15.12.96 *
* *
* Function: Constructor for CONS, TUBS, CONE, TUBE *
* *
* Input: Rmn1, Rmx1 - inside and outside radiuses at -Dz *
* Rmn2, Rmx2 - inside and outside radiuses at +Dz *
* Dz - half length in Z *
* Phi1 - starting angle of the segment *
* Dphi - segment range *
* *
***********************************************************************/
{
static double wholeCircle=2*M_PI;
// C H E C K I N P U T P A R A M E T E R S
int k = 0;
if (Rmn1 < 0. || Rmx1 < 0. || Rmn2 < 0. || Rmx2 < 0.) k = 1;
if (Rmn1 > Rmx1 || Rmn2 > Rmx2) k = 1;
if (Rmn1 == Rmx1 && Rmn2 == Rmx2) k = 1;
if (Dz <= 0.) k += 2;
double phi1, phi2, dphi;
if (Dphi < 0.) {
phi2 = Phi1; phi1 = phi2 - Dphi;
}else if (Dphi == 0.) {
phi1 = Phi1; phi2 = phi1 + wholeCircle;
}else{
phi1 = Phi1; phi2 = phi1 + Dphi;
}
dphi = phi2 - phi1;
if (abs(dphi-wholeCircle) < perMillion) dphi = wholeCircle;
if (dphi > wholeCircle) k += 4;
if (k != 0) {
HepStd::cerr << "HepPolyhedronCone(s)/Tube(s): error in input parameters";
if ((k & 1) != 0) HepStd::cerr << " (radiuses)";
if ((k & 2) != 0) HepStd::cerr << " (half-length)";
if ((k & 4) != 0) HepStd::cerr << " (angles)";
HepStd::cerr << HepStd::endl;
HepStd::cerr << " Rmn1=" << Rmn1 << " Rmx1=" << Rmx1;
HepStd::cerr << " Rmn2=" << Rmn2 << " Rmx2=" << Rmx2;
HepStd::cerr << " Dz=" << Dz << " Phi1=" << Phi1 << " Dphi=" << Dphi
<< HepStd::endl;
return;
}
// P R E P A R E T W O P O L Y L I N E S
double zz[4], rr[4];
zz[0] = Dz;
zz[1] = -Dz;
zz[2] = Dz;
zz[3] = -Dz;
rr[0] = Rmx2;
rr[1] = Rmx1;
rr[2] = Rmn2;
rr[3] = Rmn1;
// R O T A T E P O L Y L I N E S
RotateAroundZ(0, phi1, dphi, 2, 2, zz, rr, -1, -1);
SetReferences();
}
HepPolyhedronCons::~HepPolyhedronCons() {}
HepPolyhedronCone::HepPolyhedronCone(double Rmn1, double Rmx1,
double Rmn2, double Rmx2,
double Dz) :
HepPolyhedronCons(Rmn1, Rmx1, Rmn2, Rmx2, Dz, 0*deg, 360*deg) {}
HepPolyhedronCone::~HepPolyhedronCone() {}
HepPolyhedronTubs::HepPolyhedronTubs(double Rmin, double Rmax,
double Dz,
double Phi1, double Dphi)
: HepPolyhedronCons(Rmin, Rmax, Rmin, Rmax, Dz, Phi1, Dphi) {}
HepPolyhedronTubs::~HepPolyhedronTubs() {}
HepPolyhedronTube::HepPolyhedronTube (double Rmin, double Rmax,
double Dz)
: HepPolyhedronCons(Rmin, Rmax, Rmin, Rmax, Dz, 0*deg, 360*deg) {}
HepPolyhedronTube::~HepPolyhedronTube () {}
HepPolyhedronPgon::HepPolyhedronPgon(double phi,
double dphi,
int npdv,
int nz,
const double *z,
const double *rmin,
const double *rmax)
/***********************************************************************
* *
* Name: HepPolyhedronPgon Date: 09.12.96 *
* Author: E.Chernyaev Revised: *
* *
* Function: Constructor of polyhedron for PGON, PCON *
* *
* Input: phi - initial phi *
* dphi - delta phi *
* npdv - number of steps along phi *
* nz - number of z-planes (at least two) *
* z[] - z coordinates of the slices *
* rmin[] - smaller r at the slices *
* rmax[] - bigger r at the slices *
* *
***********************************************************************/
{
// C H E C K I N P U T P A R A M E T E R S
if (dphi <= 0. || dphi > 2*M_PI) {
HepStd::cerr
<< "HepPolyhedronPgon/Pcon: wrong delta phi = " << dphi
<< HepStd::endl;
return;
}
if (nz < 2) {
HepStd::cerr
<< "HepPolyhedronPgon/Pcon: number of z-planes less than two = " << nz
<< HepStd::endl;
return;
}
if (npdv < 0) {
HepStd::cerr
<< "HepPolyhedronPgon/Pcon: error in number of phi-steps =" << npdv
<< HepStd::endl;
return;
}
int i;
for (i=0; i<nz; i++) {
if (rmin[i] < 0. || rmax[i] < 0. || rmin[i] > rmax[i]) {
HepStd::cerr
<< "HepPolyhedronPgon: error in radiuses rmin[" << i << "]="
<< rmin[i] << " rmax[" << i << "]=" << rmax[i]
<< HepStd::endl;
return;
}
}
// P R E P A R E T W O P O L Y L I N E S
double *zz, *rr;
zz = new double[2*nz];
rr = new double[2*nz];
if (z[0] > z[nz-1]) {
for (i=0; i<nz; i++) {
zz[i] = z[i];
rr[i] = rmax[i];
zz[i+nz] = z[i];
rr[i+nz] = rmin[i];
}
}else{
for (i=0; i<nz; i++) {
zz[i] = z[nz-i-1];
rr[i] = rmax[nz-i-1];
zz[i+nz] = z[nz-i-1];
rr[i+nz] = rmin[nz-i-1];
}
}
// R O T A T E P O L Y L I N E S
RotateAroundZ(npdv, phi, dphi, nz, nz, zz, rr, -1, (npdv == 0) ? -1 : 1);
SetReferences();
delete [] zz;
delete [] rr;
}
HepPolyhedronPgon::~HepPolyhedronPgon() {}
HepPolyhedronPcon::HepPolyhedronPcon(double phi, double dphi, int nz,
const double *z,
const double *rmin,
const double *rmax)
: HepPolyhedronPgon(phi, dphi, 0, nz, z, rmin, rmax) {}
HepPolyhedronPcon::~HepPolyhedronPcon() {}
HepPolyhedronSphere::HepPolyhedronSphere(double rmin, double rmax,
double phi, double dphi,
double the, double dthe)
/***********************************************************************
* *
* Name: HepPolyhedronSphere Date: 11.12.96 *
* Author: E.Chernyaev (IHEP/Protvino) Revised: *
* *
* Function: Constructor of polyhedron for SPHERE *
* *
* Input: rmin - internal radius *
* rmax - external radius *
* phi - initial phi *
* dphi - delta phi *
* the - initial theta *
* dthe - delta theta *
* *
***********************************************************************/
{
// C H E C K I N P U T P A R A M E T E R S
if (dphi <= 0. || dphi > 2*M_PI) {
HepStd::cerr
<< "HepPolyhedronSphere: wrong delta phi = " << dphi
<< HepStd::endl;
return;
}
if (the < 0. || the > M_PI) {
HepStd::cerr
<< "HepPolyhedronSphere: wrong theta = " << the
<< HepStd::endl;
return;
}
if (dthe <= 0. || dthe > M_PI) {
HepStd::cerr
<< "HepPolyhedronSphere: wrong delta theta = " << dthe
<< HepStd::endl;
return;
}
if (the+dthe > M_PI) {
HepStd::cerr
<< "HepPolyhedronSphere: wrong theta + delta theta = "
<< the << " " << dthe
<< HepStd::endl;
return;
}
if (rmin < 0. || rmin >= rmax) {
HepStd::cerr
<< "HepPolyhedronSphere: error in radiuses"
<< " rmin=" << rmin << " rmax=" << rmax
<< HepStd::endl;
return;
}
// P R E P A R E T W O P O L Y L I N E S
int ns = (GetNumberOfRotationSteps() + 1) / 2;
int np1 = int(dthe*ns/M_PI+.5) + 1;
if (np1 <= 1) np1 = 2;
int np2 = rmin < perMillion ? 1 : np1;
double *zz, *rr;
zz = new double[np1+np2];
rr = new double[np1+np2];
double a = dthe/(np1-1);
double cosa, sina;
for (int i=0; i<np1; i++) {
cosa = cos(the+i*a);
sina = sin(the+i*a);
zz[i] = rmax*cosa;
rr[i] = rmax*sina;
if (np2 > 1) {
zz[i+np1] = rmin*cosa;
rr[i+np1] = rmin*sina;
}
}
if (np2 == 1) {
zz[np1] = 0.;
rr[np1] = 0.;
}
// R O T A T E P O L Y L I N E S
RotateAroundZ(0, phi, dphi, np1, np2, zz, rr, -1, -1);
SetReferences();
delete [] zz;
delete [] rr;
}
HepPolyhedronSphere::~HepPolyhedronSphere() {}
HepPolyhedronTorus::HepPolyhedronTorus(double rmin,
double rmax,
double rtor,
double phi,
double dphi)
/***********************************************************************
* *
* Name: HepPolyhedronTorus Date: 11.12.96 *
* Author: E.Chernyaev (IHEP/Protvino) Revised: *
* *
* Function: Constructor of polyhedron for TORUS *
* *
* Input: rmin - internal radius *
* rmax - external radius *
* rtor - radius of torus *
* phi - initial phi *
* dphi - delta phi *
* *
***********************************************************************/
{
// C H E C K I N P U T P A R A M E T E R S
if (dphi <= 0. || dphi > 2*M_PI) {
HepStd::cerr
<< "HepPolyhedronTorus: wrong delta phi = " << dphi
<< HepStd::endl;
return;
}
if (rmin < 0. || rmin >= rmax || rmax >= rtor) {
HepStd::cerr
<< "HepPolyhedronTorus: error in radiuses"
<< " rmin=" << rmin << " rmax=" << rmax << " rtorus=" << rtor
<< HepStd::endl;
return;
}
// P R E P A R E T W O P O L Y L I N E S
int np1 = GetNumberOfRotationSteps();
int np2 = rmin < perMillion ? 1 : np1;
double *zz, *rr;
zz = new double[np1+np2];
rr = new double[np1+np2];
double a = 2*M_PI/np1;
double cosa, sina;
for (int i=0; i<np1; i++) {
cosa = cos(i*a);
sina = sin(i*a);
zz[i] = rmax*cosa;
rr[i] = rtor+rmax*sina;
if (np2 > 1) {
zz[i+np1] = rmin*cosa;
rr[i+np1] = rtor+rmin*sina;
}
}
if (np2 == 1) {
zz[np1] = 0.;
rr[np1] = rtor;
np2 = -1;
}
// R O T A T E P O L Y L I N E S
RotateAroundZ(0, phi, dphi, -np1, -np2, zz, rr, -1,-1);
SetReferences();
delete [] zz;
delete [] rr;
}
HepPolyhedronTorus::~HepPolyhedronTorus() {}
int HepPolyhedron::fNumberOfRotationSteps = DEFAULT_NUMBER_OF_STEPS;
/***********************************************************************
* *
* Name: HepPolyhedron::fNumberOfRotationSteps Date: 24.06.97 *
* Author: J.Allison (Manchester University) Revised: *
* *
* Function: Number of steps for whole circle *
* *
***********************************************************************/
#include "BooleanProcessor.src"
static BooleanProcessor processor;
HepPolyhedron HepPolyhedron::add(const HepPolyhedron & p) const
/***********************************************************************
* *
* Name: HepPolyhedron::add Date: 19.03.00 *
* Author: E.Chernyaev Revised: *
* *
* Function: Boolean "union" of two polyhedra *
* *
***********************************************************************/
{
return processor.execute(OP_UNION, *this, p);
}
HepPolyhedron HepPolyhedron::intersect(const HepPolyhedron & p) const
/***********************************************************************
* *
* Name: HepPolyhedron::intersect Date: 19.03.00 *
* Author: E.Chernyaev Revised: *
* *
* Function: Boolean "intersection" of two polyhedra *
* *
***********************************************************************/
{
return processor.execute(OP_INTERSECTION, *this, p);
}
HepPolyhedron HepPolyhedron::subtract(const HepPolyhedron & p) const
/***********************************************************************
* *
* Name: HepPolyhedron::add Date: 19.03.00 *
* Author: E.Chernyaev Revised: *
* *
* Function: Boolean "subtraction" of "p" from "this" *
* *
***********************************************************************/
{
return processor.execute(OP_SUBTRACTION, *this, p);
}