[529] | 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: SoCons.h,v 1.3 2006/06/29 21:21:20 gunter Exp $ |
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[849] | 28 | // GEANT4 tag $Name: HEAD $ |
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[529] | 29 | // |
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| 30 | /*-----------------------------Hepvis----------------------------------------*/ |
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| 31 | /* */ |
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| 32 | /* Node: SoCons */ |
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| 33 | /* Description: Represents the G4Cons Geant Geometry entity */ |
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| 34 | /* Author: Joe Boudreau Nov 11 1996 */ |
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| 35 | /* */ |
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| 36 | /*---------------------------------------------------------------------------*/ |
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| 37 | #ifndef HEPVis_SoCons_h |
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| 38 | #define HEPVis_SoCons_h |
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| 39 | |
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| 40 | #include <Inventor/fields/SoSFFloat.h> |
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| 41 | #include <Inventor/fields/SoSFNode.h> |
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| 42 | #include <Inventor/fields/SoSFBool.h> |
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| 43 | #include <Inventor/nodes/SoShape.h> |
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| 44 | |
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| 45 | class SoSFNode; |
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| 46 | //! SoCons - Inventor version of the G4Cons Geant Geometry entity |
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| 47 | /*! |
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| 48 | * Node: SoCons |
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| 49 | * |
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| 50 | * Description: The Inventor version of the G4Cons Geant Geometry entity |
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| 51 | * |
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| 52 | * Author: Joe Boudreau Nov 11 1996 |
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| 53 | * |
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| 54 | * A G4Cons is, in the general case, a Phi segment of a cone, with half-length |
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| 55 | * fDz, inner and outer radii specified at -fDz and +fDz. The Phi segment is |
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| 56 | * described by a starting fSPhi angle, and the +fDPhi delta angle for the shape. |
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| 57 | * If the delta angle is >=2*M_PI, the shape is treated as continuous in Phi |
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| 58 | * |
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| 59 | * Member Data: |
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| 60 | * |
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| 61 | * fRmin1 inside radius at -fDz |
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| 62 | * fRmin2 inside radius at +fDz |
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| 63 | * fRmax1 outside radius at -fDz |
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| 64 | * fRmax2 outside radius at +fDz |
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| 65 | * fDz half length in z |
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| 66 | * |
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| 67 | * fSPhi starting angle of the segment in radians |
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| 68 | * fDPhi delta angle of the segment in radians |
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| 69 | */ |
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| 70 | |
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| 71 | #define SoCons Geant4_SoCons |
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| 72 | |
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| 73 | class SoCons:public SoShape { |
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| 74 | |
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| 75 | // The following is required: |
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| 76 | SO_NODE_HEADER(SoCons); |
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| 77 | |
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| 78 | public: |
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| 79 | |
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| 80 | // |
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| 81 | //! Inside radius at -fDz |
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| 82 | // |
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| 83 | SoSFFloat fRmin1; |
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| 84 | // |
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| 85 | //! Inside radius at +fDz |
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| 86 | // |
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| 87 | SoSFFloat fRmin2; |
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| 88 | // |
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| 89 | //! Outside radius at -fDz |
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| 90 | // |
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| 91 | SoSFFloat fRmax1; |
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| 92 | // |
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| 93 | //! Outside radius at +fDz |
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| 94 | // |
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| 95 | SoSFFloat fRmax2; |
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| 96 | // |
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| 97 | //! Half-length along Z |
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| 98 | // |
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| 99 | SoSFFloat fDz; |
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| 100 | // |
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| 101 | //! Starting angle, in radians |
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| 102 | // |
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| 103 | SoSFFloat fSPhi; |
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| 104 | // |
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| 105 | //! Delta-angle, in radians |
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| 106 | // |
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| 107 | SoSFFloat fDPhi; |
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| 108 | // |
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| 109 | //! An Inventor option - slightly better render, worse performance |
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| 110 | // |
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| 111 | SoSFBool smoothDraw; |
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| 112 | // |
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| 113 | //! Alternate rep required - for use by users without HEPVis shared objects |
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| 114 | // |
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| 115 | SoSFNode alternateRep; |
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| 116 | |
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| 117 | // |
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| 118 | //! Constructor, required |
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| 119 | // |
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| 120 | SoCons(); |
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| 121 | |
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| 122 | // |
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| 123 | //! Class Initializer, required |
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| 124 | // |
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| 125 | static void initClass(); |
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| 126 | |
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| 127 | // |
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| 128 | //! Generate AlternateRep, required. Generating an alternate representation |
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| 129 | //! must be done upon users request. It allows an Inventor program to read |
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| 130 | //! back the file without requiring *this* code to be dynamically linked. |
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| 131 | //! If the users expects that *this* code will be dynamically linked, he |
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| 132 | //! need not invoke this method. |
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| 133 | // |
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| 134 | virtual void generateAlternateRep(); |
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| 135 | |
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| 136 | // |
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| 137 | //! We better be able to clear it, too! |
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| 138 | // |
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| 139 | virtual void clearAlternateRep(); |
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| 140 | |
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| 141 | protected: |
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| 142 | |
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| 143 | // |
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| 144 | //! compute bounding Box, required |
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| 145 | // |
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| 146 | virtual void computeBBox(SoAction *action, SbBox3f &box, SbVec3f ¢er ); |
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| 147 | |
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| 148 | // |
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| 149 | //! Generate Primitives, required |
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| 150 | // |
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| 151 | virtual void generatePrimitives(SoAction *action); |
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| 152 | |
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| 153 | // |
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| 154 | //! GetChildList, required whenever the class has hidden children |
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| 155 | // |
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| 156 | virtual SoChildList *getChildren() const; |
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| 157 | |
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| 158 | |
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| 159 | protected: |
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| 160 | // |
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| 161 | //! Destructor, required |
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| 162 | // |
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| 163 | virtual ~SoCons(); |
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| 164 | |
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| 165 | private: |
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| 166 | |
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| 167 | // |
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| 168 | //! Generate Children. Used to create the hidden children. Required whenever |
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| 169 | //! the node has hidden children. |
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| 170 | // |
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| 171 | void generateChildren(); |
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| 172 | |
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| 173 | // |
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| 174 | //! Used to modify hidden children when a data field is changed. Required |
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| 175 | //! whenever the class has hidden children. |
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| 176 | // |
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| 177 | void updateChildren(); |
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| 178 | |
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| 179 | // |
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| 180 | //! ChildList. Required whenever the class has hidden children. |
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| 181 | // |
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| 182 | SoChildList *children; |
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| 183 | |
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| 184 | // |
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| 185 | //! help with trigonometry. increments sines an cosines by an angle. |
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| 186 | // |
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| 187 | void inc(double & sinPhi, double & cosPhi, double sinDeltaPhi, double cosDeltaPhi) const { |
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| 188 | double oldSin=sinPhi,oldCos=cosPhi; |
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| 189 | sinPhi = oldSin*cosDeltaPhi+oldCos*sinDeltaPhi; |
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| 190 | cosPhi = oldCos*cosDeltaPhi-oldSin*sinDeltaPhi; |
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| 191 | } |
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| 192 | }; |
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| 193 | |
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| 194 | #endif |
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