| [830] | 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: G4VisExtent.hh,v 1.10 2006/06/29 19:06:24 gunter Exp $
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| [850] | 28 | // GEANT4 tag $Name: HEAD $
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| [830] | 29 | //
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| 30 | //
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| 31 | // A.Walkden 28/11/95
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| 32 |
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| 33 | // Class Description:
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| 34 | // G4VisExtent defines a bounding box in a visualisable object's local
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| 35 | // coordinate system which includes the object.
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| 36 | // WARNING: it also attempts to support the concept of a bounding
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| 37 | // sphere. (This is used extensively in the G4 Visualisation System
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| 38 | // to calculate camera parameters, etc.) Be aware that this involves
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| 39 | // loss of information. Given a bounding box, one can calculate the
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| 40 | // bounding sphere; inverting this will produce a cube which *might*
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| 41 | // *not* include the object. E.g., a long thin object of length l
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| 42 | // will have a bounding sphere of diameter l; the corresponding cube
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| 43 | // will have side l/std::sqrt(3) so that the bounding sphere diameter is
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| 44 | // still l. Thus the long thin object will stick out of the cube.
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| 45 | // So, if you once use the concept of bounding sphere you must stick
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| 46 | // with it and abandon the concept of bounding box.
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| 47 | // Class Description - End:
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| 48 |
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| 49 | #ifndef G4VISEXTENT_HH
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| 50 | #define G4VISEXTENT_HH
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| 51 |
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| 52 | #include "globals.hh"
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| 53 | #include "G4Point3D.hh"
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| 54 |
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| 55 | class G4VisExtent
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| 56 | {
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| 57 | public: // With description
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| 58 |
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| 59 | G4VisExtent (G4double xmin = 0., G4double xmax = 0.,
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| 60 | G4double ymin = 0., G4double ymax = 0.,
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| 61 | G4double zmin = 0., G4double zmax = 0.);
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| 62 | G4VisExtent (const G4Point3D& centre, G4double radius);
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| 63 | ~G4VisExtent ();
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| 64 | G4bool operator != (const G4VisExtent& e) const;
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| 65 | G4double GetXmin () const;
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| 66 | G4double GetXmax () const;
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| 67 | G4double GetYmin () const;
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| 68 | G4double GetYmax () const;
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| 69 | G4double GetZmin () const;
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| 70 | G4double GetZmax () const;
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| 71 | G4Point3D GetExtentCentre () const;
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| 72 | G4Point3D GetExtentCenter () const;
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| 73 | G4double GetExtentRadius () const;
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| 74 | void SetXmin (G4double xmin);
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| 75 | void SetXmax (G4double xmax);
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| 76 | void SetYmin (G4double ymin);
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| 77 | void SetYmax (G4double ymax);
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| 78 | void SetZmin (G4double zmin);
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| 79 | void SetZmax (G4double zmax);
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| 80 | friend std::ostream& operator << (std::ostream& os, const G4VisExtent& e);
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| 81 | static const G4VisExtent NullExtent;
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| 82 |
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| 83 | private:
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| 84 | G4double fXmin, fXmax, fYmin, fYmax, fZmin, fZmax;
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| 85 | };
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| 86 |
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| 87 | inline G4double G4VisExtent::GetXmin () const { return fXmin; }
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| 88 | inline G4double G4VisExtent::GetXmax () const { return fXmax; }
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| 89 | inline G4double G4VisExtent::GetYmin () const { return fYmin; }
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| 90 | inline G4double G4VisExtent::GetYmax () const { return fYmax; }
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| 91 | inline G4double G4VisExtent::GetZmin () const { return fZmin; }
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| 92 | inline G4double G4VisExtent::GetZmax () const { return fZmax; }
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| 93 |
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| 94 | inline G4Point3D G4VisExtent::GetExtentCenter () const {
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| 95 | return GetExtentCentre ();
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| 96 | }
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| 97 |
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| 98 | inline void G4VisExtent::SetXmin (G4double xmin) {fXmin = xmin;}
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| 99 | inline void G4VisExtent::SetXmax (G4double xmax) {fXmax = xmax;}
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| 100 | inline void G4VisExtent::SetYmin (G4double ymin) {fYmin = ymin;}
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| 101 | inline void G4VisExtent::SetYmax (G4double ymax) {fYmax = ymax;}
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| 102 | inline void G4VisExtent::SetZmin (G4double zmin) {fZmin = zmin;}
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| 103 | inline void G4VisExtent::SetZmax (G4double zmax) {fZmax = zmax;}
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| 104 |
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| 105 | #endif
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