Gabriele Cosmo
102 lines
4.4 KiB
C++
102 lines
4.4 KiB
C++
//
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// ********************************************************************
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// * DISCLAIMER *
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// * *
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// * The following disclaimer summarizes all the specific disclaimers *
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// * of contributors to this software. The specific disclaimers,which *
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// * govern, are listed with their locations in: *
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// * http://cern.ch/geant4/license *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. *
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// * *
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// * This code implementation is the intellectual property of the *
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// * GEANT4 collaboration. *
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// * By copying, distributing or modifying the Program (or any work *
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// * based on the Program) you indicate your acceptance of this *
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// * statement, and all its terms. *
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// ********************************************************************
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//
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//
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// $Id: G4VisExtent.hh,v 1.6 2001/07/24 21:39:43 johna Exp $
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// GEANT4 tag $Name: geant4-04-00 $
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//
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//
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// A.Walkden 28/11/95
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// Class Description:
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// G4VisExtent defines a bounding box in a visualisable object's local
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// coordinate system which includes the object.
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// WARNING: it also attempts to support the concept of a bounding
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// sphere. (This is used extensively in the G4 Visualisation System
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// to calculate camera parameters, etc.) Be aware that this involves
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// loss of information. Given a bounding box, one can calculate the
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// bounding sphere; inverting this will produce a cube which *might*
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// *not* include the object. E.g., a long thin object of length l
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// will have a bounding sphere of diameter l; the corresponding cube
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// will have side l/sqrt(3) so that the bounding sphere diameter is
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// still l. Thus the long thin object will stick out of the cube.
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// So, if you once use the concept of bounding sphere you must stick
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// with it and abandon the concept of bounding box.
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// Class Description - End:
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#ifndef G4VISEXTENT_HH
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#define G4VISEXTENT_HH
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#include "globals.hh"
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#include "G4Point3D.hh"
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class G4VisExtent
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{
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public: // With description
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G4VisExtent (G4double xmin = 0., G4double xmax = 0.,
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G4double ymin = 0., G4double ymax = 0.,
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G4double zmin = 0., G4double zmax = 0.);
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G4VisExtent (const G4Point3D& centre, G4double radius);
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~G4VisExtent ();
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G4bool operator != (const G4VisExtent& e) const;
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G4double GetXmin () const;
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G4double GetXmax () const;
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G4double GetYmin () const;
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G4double GetYmax () const;
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G4double GetZmin () const;
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G4double GetZmax () const;
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G4Point3D GetExtentCentre () const;
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G4Point3D GetExtentCenter () const;
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G4double GetExtentRadius () const;
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void SetXmin (G4double xmin);
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void SetXmax (G4double xmax);
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void SetYmin (G4double ymin);
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void SetYmax (G4double ymax);
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void SetZmin (G4double zmin);
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void SetZmax (G4double zmax);
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friend G4std::ostream& operator << (G4std::ostream& os, const G4VisExtent& e);
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private:
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G4double fXmin, fXmax, fYmin, fYmax, fZmin, fZmax;
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};
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inline G4double G4VisExtent::GetXmin () const { return fXmin; }
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inline G4double G4VisExtent::GetXmax () const { return fXmax; }
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inline G4double G4VisExtent::GetYmin () const { return fYmin; }
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inline G4double G4VisExtent::GetYmax () const { return fYmax; }
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inline G4double G4VisExtent::GetZmin () const { return fZmin; }
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inline G4double G4VisExtent::GetZmax () const { return fZmax; }
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inline G4Point3D G4VisExtent::GetExtentCenter () const {
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return GetExtentCentre ();
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}
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inline void G4VisExtent::SetXmin (G4double xmin) {fXmin = xmin;}
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inline void G4VisExtent::SetXmax (G4double xmax) {fXmax = xmax;}
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inline void G4VisExtent::SetYmin (G4double ymin) {fYmin = ymin;}
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inline void G4VisExtent::SetYmax (G4double ymax) {fYmax = ymax;}
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inline void G4VisExtent::SetZmin (G4double zmin) {fZmin = zmin;}
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inline void G4VisExtent::SetZmax (G4double zmax) {fZmax = zmax;}
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#endif
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