[1316] | 1 | // |
---|
| 2 | // ******************************************************************** |
---|
| 3 | // * License and Disclaimer * |
---|
| 4 | // * * |
---|
| 5 | // * The Geant4 software is copyright of the Copyright Holders of * |
---|
| 6 | // * the Geant4 Collaboration. It is provided under the terms and * |
---|
| 7 | // * conditions of the Geant4 Software License, included in the file * |
---|
| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
---|
| 9 | // * include a list of copyright holders. * |
---|
| 10 | // * * |
---|
| 11 | // * Neither the authors of this software system, nor their employing * |
---|
| 12 | // * institutes,nor the agencies providing financial support for this * |
---|
| 13 | // * work make any representation or warranty, express or implied, * |
---|
| 14 | // * regarding this software system or assume any liability for its * |
---|
| 15 | // * use. Please see the license in the file LICENSE and URL above * |
---|
| 16 | // * for the full disclaimer and the limitation of liability. * |
---|
| 17 | // * * |
---|
| 18 | // * This code implementation is the result of the scientific and * |
---|
| 19 | // * technical work of the GEANT4 collaboration. * |
---|
| 20 | // * By using, copying, modifying or distributing the software (or * |
---|
| 21 | // * any work based on the software) you agree to acknowledge its * |
---|
| 22 | // * use in resulting scientific publications, and indicate your * |
---|
| 23 | // * acceptance of all terms of the Geant4 Software license. * |
---|
| 24 | // ******************************************************************** |
---|
| 25 | // |
---|
| 26 | ////////////////////////////////////////////////////////////////////////// |
---|
| 27 | // $Id: CurveTestFunction.hh,v 1.9 2007/05/18 10:31:11 gcosmo Exp $ |
---|
[1347] | 28 | // GEANT4 tag $Name: geant4-09-04-ref-00 $ |
---|
[1316] | 29 | ////////////////////////////////////////////////////////////////////////// |
---|
| 30 | // |
---|
| 31 | // |
---|
| 32 | // L. Broglia |
---|
| 33 | // October 26, 1998 |
---|
| 34 | // |
---|
| 35 | // Functions wich tested the basic functionnality of the different curves : |
---|
| 36 | // - line |
---|
| 37 | // - circular curve |
---|
| 38 | // - ellipse |
---|
| 39 | // - parabola |
---|
| 40 | // - hyperbola |
---|
| 41 | // |
---|
| 42 | // Test the functionality of Axis2Placement3D and Project |
---|
| 43 | // |
---|
| 44 | // These functions are utilized into CurveTest.cc |
---|
| 45 | // |
---|
| 46 | |
---|
| 47 | |
---|
| 48 | #include "G4Axis2Placement3D.hh" |
---|
| 49 | #include "G4Curve.hh" |
---|
| 50 | #include "G4Line.hh" |
---|
| 51 | #include "G4CircularCurve.hh" |
---|
| 52 | #include "G4Ellipse.hh" |
---|
| 53 | #include "G4Parabola.hh" |
---|
| 54 | #include "G4Hyperbola.hh" |
---|
| 55 | #include "G4Transform3D.hh" |
---|
| 56 | #include "CLHEP/Random/RandFlat.h" |
---|
| 57 | |
---|
| 58 | |
---|
| 59 | |
---|
| 60 | // Printing debug info |
---|
| 61 | std::ostream& operator<<(std::ostream& os, const G4Axis2Placement3D& p) |
---|
| 62 | { |
---|
| 63 | os << "(" << p.GetLocation() |
---|
| 64 | << ", " << p.GetAxis() |
---|
| 65 | << ", " << p.GetRefDirection() << ")"; |
---|
| 66 | return os; |
---|
| 67 | } |
---|
| 68 | |
---|
| 69 | |
---|
| 70 | std::ostream& operator<<(std::ostream& os, const G4BoundingBox3D& b) |
---|
| 71 | { |
---|
| 72 | os << "(" << b.GetBoxMin() |
---|
| 73 | << ", " << b.GetBoxMax() << ")"; |
---|
| 74 | return os; |
---|
| 75 | } |
---|
| 76 | |
---|
| 77 | |
---|
| 78 | // Get a random parametric point |
---|
| 79 | G4double GetRandomP(G4Curve* c) |
---|
| 80 | { |
---|
| 81 | G4double pMax = c->GetPMax(); |
---|
| 82 | G4double min = c->GetPStart(); |
---|
| 83 | G4double max = c->GetPEnd(); |
---|
| 84 | |
---|
| 85 | if ( max<=min && pMax>0) |
---|
| 86 | max+= pMax; |
---|
| 87 | |
---|
| 88 | G4double r= CLHEP::RandFlat::shoot(min, max); |
---|
| 89 | |
---|
| 90 | if (pMax>0 && r>=pMax) |
---|
| 91 | r-= pMax; |
---|
| 92 | |
---|
| 93 | return r; |
---|
| 94 | } |
---|
| 95 | |
---|
| 96 | |
---|
| 97 | // Test basic functionality common to curves |
---|
| 98 | void TestCurve(G4Curve* c) |
---|
| 99 | { |
---|
| 100 | // bounds |
---|
| 101 | G4cout << " GetStartPoint : " << c->GetStart() << G4endl; |
---|
| 102 | G4cout << " GetEndPoint : " << c->GetEnd() << G4endl; |
---|
| 103 | G4cout << " GetPStartPoint : " << c->GetPStart() << G4endl; |
---|
| 104 | G4cout << " GetPEndPoint : " << c->GetPEnd() << G4endl; |
---|
| 105 | G4cout << " GetPMax : " << c->GetPMax() << G4endl; |
---|
| 106 | G4cout << " u -> GetPoint() -> p -> GetPPoint() -> u2" << G4endl; |
---|
| 107 | |
---|
| 108 | G4int i; |
---|
| 109 | for (i=0; i<1000; i++) |
---|
| 110 | { |
---|
| 111 | G4double u = GetRandomP(c); |
---|
| 112 | G4Point3D p = c->GetPoint(u); |
---|
| 113 | G4double u2 = c->GetPPoint(p); |
---|
| 114 | G4double pMax = c->GetPMax(); |
---|
| 115 | |
---|
| 116 | if (pMax>0) |
---|
| 117 | u2-= std::floor((u2-u)/pMax+0.5)*pMax; |
---|
| 118 | |
---|
| 119 | G4bool error= std::abs(u-u2) > 0.0001; |
---|
| 120 | |
---|
| 121 | if (i<5 || error) |
---|
| 122 | { |
---|
| 123 | G4cout << " u : " << u << " p: " << p |
---|
| 124 | << " u2: " << u2 << G4endl; |
---|
| 125 | |
---|
| 126 | if (error) |
---|
| 127 | { |
---|
| 128 | G4cout << " Error: u != u2 !" << G4endl; |
---|
| 129 | exit(EXIT_FAILURE); |
---|
| 130 | } |
---|
| 131 | } |
---|
| 132 | |
---|
| 133 | if (!c->IsPOn(u)) |
---|
| 134 | { |
---|
| 135 | G4cout << " Error: u is not on the curve!" << G4endl; |
---|
| 136 | exit(EXIT_FAILURE); |
---|
| 137 | } |
---|
| 138 | } |
---|
| 139 | |
---|
| 140 | const G4BoundingBox3D& bBox= *(c->BBox()); |
---|
| 141 | G4cout << " BBox: " << bBox << G4endl; |
---|
| 142 | G4BoundingBox3D bBox2(c->GetStart(), c->GetEnd()); |
---|
| 143 | |
---|
| 144 | for (i=0; i<1000; i++) |
---|
| 145 | bBox2.Extend(c->GetPoint(GetRandomP(c))); |
---|
| 146 | |
---|
| 147 | G4cout << " BBox from random points: " << bBox2 << G4endl; |
---|
| 148 | G4cout << " empty space around it when put in BBox:" << G4endl; |
---|
| 149 | |
---|
| 150 | G4Vector3D max= bBox.GetBoxMax()-bBox2.GetBoxMax(); |
---|
| 151 | G4Vector3D min= bBox2.GetBoxMin()-bBox.GetBoxMin(); |
---|
| 152 | |
---|
| 153 | G4cout << " min x: " << min.x() << " max x: " << max.x() |
---|
| 154 | << "\n min y: " << min.y() << " max y: " << max.y() |
---|
| 155 | << "\n min z: " << min.z() << " max z: " << max.z() << G4endl; |
---|
| 156 | } |
---|
| 157 | |
---|
| 158 | |
---|
| 159 | // Test G4Axis2Placement3D |
---|
| 160 | void TestPlacement(G4Axis2Placement3D* p) |
---|
| 161 | { |
---|
| 162 | G4cout << "G4Axis2Placement3D " << p->GetLocation() << " " << p->GetAxis() |
---|
| 163 | << " " << p->GetRefDirection() << G4endl; |
---|
| 164 | |
---|
| 165 | G4cout << " coordinate vectors:" << G4endl; |
---|
| 166 | |
---|
| 167 | G4cout << " p[1]: " << p->GetPX() |
---|
| 168 | << "\n p[2]: " << p->GetPY() |
---|
| 169 | << "\n p[3]: " << p->GetPZ() << G4endl; |
---|
| 170 | |
---|
| 171 | G4cout << " p[1].p[2]: " << p->GetPX()*p->GetPY() |
---|
| 172 | << "\n p[3]-(p[1]xp[2]): "<< p->GetPZ()-(p->GetPX().cross(p->GetPY())) |
---|
| 173 | << G4endl; |
---|
| 174 | |
---|
| 175 | G4cout << " coordinate vectors computed from the transformation:" << G4endl; |
---|
| 176 | |
---|
| 177 | G4cout << " p[1]: " << p->GetFromPlacementCoordinates()*G4Point3D(1, 0, 0) |
---|
| 178 | << "\n p[2]: " << p->GetFromPlacementCoordinates()*G4Point3D(0, 1, 0) |
---|
| 179 | << "\n p[3]: " << p->GetFromPlacementCoordinates()*G4Point3D(0, 0, 1) |
---|
| 180 | << G4endl; |
---|
| 181 | |
---|
| 182 | G4cout << " coordinate vectors in placement coordinate system:"; |
---|
| 183 | |
---|
| 184 | G4cout << "\n " << p->GetToPlacementCoordinates()*p->GetPX() |
---|
| 185 | << "\n " << p->GetToPlacementCoordinates()*p->GetPY() |
---|
| 186 | << "\n " << p->GetToPlacementCoordinates()*p->GetPZ() << G4endl; |
---|
| 187 | } |
---|
| 188 | |
---|
| 189 | |
---|
| 190 | // Test the project function |
---|
| 191 | void TestProject(G4Curve* c, const G4Transform3D& tr) |
---|
| 192 | { |
---|
| 193 | G4int i; |
---|
| 194 | G4Curve* projC = c->Project(tr); |
---|
| 195 | |
---|
| 196 | for (i=0; i<1000; i++) |
---|
| 197 | { |
---|
| 198 | G4double u = GetRandomP(c); |
---|
| 199 | G4Point3D p1 = tr*c->GetPoint(u); |
---|
| 200 | p1.setZ(0); |
---|
| 201 | |
---|
| 202 | G4Point3D p2 = projC->GetPoint(u); |
---|
| 203 | G4bool error = false; |
---|
| 204 | |
---|
| 205 | if (std::abs(p2.z())>0.0001) |
---|
| 206 | { |
---|
| 207 | error= true; |
---|
| 208 | G4cout << "Error: the projection is not in the xy plane!" << G4endl; |
---|
| 209 | } |
---|
| 210 | |
---|
| 211 | if ((p1-p2).mag()>0.001) |
---|
| 212 | { |
---|
| 213 | error= true; |
---|
| 214 | G4cout << "Error: the two projected points should be the same!" << G4endl; |
---|
| 215 | } |
---|
| 216 | |
---|
| 217 | if (error) |
---|
| 218 | { |
---|
| 219 | G4cout << "u: " << u << G4endl; |
---|
| 220 | |
---|
| 221 | G4cout << "point on original curve:\n" << c->GetPoint(u) |
---|
| 222 | << "\n projected: " << tr*c->GetPoint(u) << G4endl; |
---|
| 223 | |
---|
| 224 | G4cout << "point on projected curve: " << projC->GetPoint(u) << G4endl; |
---|
| 225 | |
---|
| 226 | u= -u; |
---|
| 227 | G4cout << "u: " << u << G4endl; |
---|
| 228 | |
---|
| 229 | G4cout << "point on original curve:\n" << c->GetPoint(u) |
---|
| 230 | << "\n projected: " << tr*c->GetPoint(u) << G4endl; |
---|
| 231 | |
---|
| 232 | G4cout << "point on projected curve:\n" << projC->GetPoint(u) << G4endl; |
---|
| 233 | |
---|
| 234 | u= -u; u+= pi; |
---|
| 235 | G4cout << "u: " << u << G4endl; |
---|
| 236 | |
---|
| 237 | G4cout << "point on original curve:\n" << c->GetPoint(u) |
---|
| 238 | << "\n projected: " << tr*c->GetPoint(u) << G4endl; |
---|
| 239 | |
---|
| 240 | G4cout << "\npoint on projected curve: " << projC->GetPoint(u) << G4endl; |
---|
| 241 | |
---|
| 242 | u= -u; |
---|
| 243 | G4cout << "u: " << u << G4endl; |
---|
| 244 | |
---|
| 245 | G4cout << "point on original curve:\n" << c->GetPoint(u) |
---|
| 246 | << "\n projected: " << tr*c->GetPoint(u) << G4endl; |
---|
| 247 | |
---|
| 248 | G4cout << "point on projected curve: " << projC->GetPoint(u) << G4endl; |
---|
| 249 | |
---|
| 250 | exit(EXIT_FAILURE); |
---|
| 251 | } |
---|
| 252 | } |
---|
| 253 | } |
---|