[831] | 1 | // |
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| 2 | // ******************************************************************** |
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| 3 | // * License and Disclaimer * |
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| 4 | // * * |
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| 5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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| 7 | // * conditions of the Geant4 Software License, included in the file * |
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| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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| 9 | // * include a list of copyright holders. * |
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| 10 | // * * |
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| 11 | // * Neither the authors of this software system, nor their employing * |
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| 12 | // * institutes,nor the agencies providing financial support for this * |
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| 13 | // * work make any representation or warranty, express or implied, * |
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| 14 | // * regarding this software system or assume any liability for its * |
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| 15 | // * use. Please see the license in the file LICENSE and URL above * |
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| 16 | // * for the full disclaimer and the limitation of liability. * |
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| 17 | // * * |
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| 18 | // * This code implementation is the result of the scientific and * |
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| 19 | // * technical work of the GEANT4 collaboration. * |
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| 20 | // * By using, copying, modifying or distributing the software (or * |
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| 21 | // * any work based on the software) you agree to acknowledge its * |
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| 22 | // * use in resulting scientific publications, and indicate your * |
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| 23 | // * acceptance of all terms of the Geant4 Software license. * |
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| 24 | // ******************************************************************** |
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| 25 | // |
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| 26 | // |
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| 27 | // $Id: G4ErrorPlaneSurfaceTarget.cc,v 1.2 2007/06/19 11:28:39 gcosmo Exp $ |
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[1337] | 28 | // GEANT4 tag $Name: geant4-09-04-beta-01 $ |
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[831] | 29 | // |
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| 30 | // |
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| 31 | // -------------------------------------------------------------------- |
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| 32 | // GEANT 4 class implementation file |
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| 33 | // -------------------------------------------------------------------- |
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| 34 | |
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| 35 | #include "G4ErrorPlaneSurfaceTarget.hh" |
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| 36 | |
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| 37 | #ifdef G4VERBOSE |
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| 38 | #include "G4ErrorPropagatorData.hh" //for verbosity checking |
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| 39 | #endif |
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| 40 | |
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| 41 | #include "G4Point3D.hh" |
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| 42 | #include "G4ThreeVector.hh" |
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| 43 | |
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| 44 | //--------------------------------------------------------------------- |
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| 45 | |
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| 46 | G4ErrorPlaneSurfaceTarget:: |
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| 47 | G4ErrorPlaneSurfaceTarget(G4double a, G4double b, G4double c, G4double d) |
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| 48 | : G4Plane3D( a, b, c, d ) |
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| 49 | { |
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| 50 | theType = G4ErrorTarget_PlaneSurface; |
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| 51 | |
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| 52 | #ifdef G4VERBOSE |
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| 53 | if(G4ErrorPropagatorData::verbose() >= 2 ) |
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| 54 | { |
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| 55 | Dump( " $$$ creating G4ErrorPlaneSurfaceTarget from parameters"); |
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| 56 | } |
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| 57 | #endif |
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| 58 | } |
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| 59 | |
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| 60 | //--------------------------------------------------------------------- |
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| 61 | |
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| 62 | G4ErrorPlaneSurfaceTarget:: |
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| 63 | G4ErrorPlaneSurfaceTarget(const G4Normal3D &n, const G4Point3D &p) |
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| 64 | : G4Plane3D( n, p ) |
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| 65 | { |
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| 66 | theType = G4ErrorTarget_PlaneSurface; |
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| 67 | |
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| 68 | #ifdef G4VERBOSE |
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| 69 | if(G4ErrorPropagatorData::verbose() >= 2 ) |
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| 70 | { |
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| 71 | Dump( " $$$ creating G4ErrorPlaneSurfaceTarget from point and normal"); |
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| 72 | } |
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| 73 | #endif |
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| 74 | } |
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| 75 | |
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| 76 | //--------------------------------------------------------------------- |
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| 77 | |
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| 78 | G4ErrorPlaneSurfaceTarget:: |
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| 79 | G4ErrorPlaneSurfaceTarget(const G4Point3D &p1, |
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| 80 | const G4Point3D &p2, |
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| 81 | const G4Point3D &p3) |
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| 82 | : G4Plane3D( p1, p2, p3 ) |
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| 83 | { |
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| 84 | theType = G4ErrorTarget_PlaneSurface; |
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| 85 | |
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| 86 | #ifdef G4VERBOSE |
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| 87 | if(G4ErrorPropagatorData::verbose() >= 2 ) |
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| 88 | { |
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| 89 | Dump( " $$$ creating G4ErrorPlaneSurfaceTarget from three points"); |
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| 90 | } |
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| 91 | #endif |
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| 92 | } |
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| 93 | |
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| 94 | //--------------------------------------------------------------------- |
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| 95 | |
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| 96 | G4ErrorPlaneSurfaceTarget::~G4ErrorPlaneSurfaceTarget() |
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| 97 | { |
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| 98 | } |
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| 99 | |
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| 100 | //--------------------------------------------------------------------- |
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| 101 | |
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| 102 | G4ThreeVector G4ErrorPlaneSurfaceTarget:: |
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| 103 | Intersect( const G4ThreeVector& pt, const G4ThreeVector& dir ) const |
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| 104 | { |
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| 105 | G4double lam = GetDistanceFromPoint( pt, dir ); |
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| 106 | G4Point3D inters = pt + lam * dir; |
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| 107 | |
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| 108 | #ifdef G4VERBOSE |
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| 109 | if(G4ErrorPropagatorData::verbose() >= 4 ) |
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| 110 | { |
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| 111 | G4cerr << " $$$ creating G4ErrorPlaneSurfaceTarget::Intersect " |
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| 112 | << inters << G4endl; |
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| 113 | } |
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| 114 | #endif |
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| 115 | |
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| 116 | return inters; |
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| 117 | } |
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| 118 | |
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| 119 | //--------------------------------------------------------------------- |
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| 120 | |
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| 121 | G4double G4ErrorPlaneSurfaceTarget:: |
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| 122 | GetDistanceFromPoint( const G4ThreeVector& pt, const G4ThreeVector& dir ) const |
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| 123 | { |
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| 124 | if( std::fabs( dir.mag() -1. ) > 1.E-6 ) |
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| 125 | { |
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| 126 | G4cerr << "WARNING - G4ErrorPlaneSurfaceTarget::GetDistanceFromPoint()" |
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| 127 | << G4endl |
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| 128 | << " Direction is not a unit vector: " << dir << " !" |
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| 129 | << G4endl; |
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| 130 | } |
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| 131 | G4double dist = -(a_ * pt.x() + b_ * pt.y() + c_ * pt.z() + d_) |
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| 132 | / (a_ * dir.x() + b_ * dir.y() + c_ * dir.z() ); |
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| 133 | |
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| 134 | #ifdef G4VERBOSE |
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| 135 | if(G4ErrorPropagatorData::verbose() >= 3 ) |
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| 136 | { |
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| 137 | G4cout << " G4ErrorPlaneSurfaceTarget::GetDistanceFromPoint()" << G4endl |
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| 138 | << " Point: " << pt << ", Direction: " << dir << G4endl |
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| 139 | << " Distance: " << dist << G4endl; |
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| 140 | } |
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| 141 | #endif |
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| 142 | |
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| 143 | return dist; |
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| 144 | } |
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| 145 | |
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| 146 | //--------------------------------------------------------------------- |
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| 147 | |
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| 148 | G4double G4ErrorPlaneSurfaceTarget:: |
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| 149 | GetDistanceFromPoint( const G4ThreeVector& pt ) const |
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| 150 | { |
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| 151 | G4ThreeVector vec = point() - pt; |
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| 152 | G4double alpha = std::acos( vec * normal() / vec.mag() / normal().mag() ); |
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| 153 | G4double dist = std::fabs(vec.mag() * std::cos( alpha )); |
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| 154 | |
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| 155 | #ifdef G4VERBOSE |
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| 156 | if(G4ErrorPropagatorData::verbose() >= 3 ) |
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| 157 | { |
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| 158 | G4cout << " G4ErrorPlaneSurfaceTarget::GetDistanceFromPoint()" << G4endl |
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| 159 | << " Point: " << pt << G4endl |
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| 160 | << " Distance: " << dist << G4endl; |
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| 161 | } |
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| 162 | #endif |
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| 163 | |
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| 164 | return dist; |
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| 165 | } |
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| 166 | |
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| 167 | //--------------------------------------------------------------------- |
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| 168 | |
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| 169 | G4Plane3D G4ErrorPlaneSurfaceTarget:: |
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| 170 | GetTangentPlane( const G4ThreeVector& ) const |
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| 171 | { |
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| 172 | return *this; |
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| 173 | } |
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| 174 | |
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| 175 | |
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| 176 | void G4ErrorPlaneSurfaceTarget::Dump( const G4String& msg ) const |
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| 177 | { |
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| 178 | G4cout << msg << " point = " << point() |
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| 179 | << " normal = " << normal() << G4endl; |
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| 180 | } |
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