Gabriele Cosmo
69 lines
2.1 KiB
C++
69 lines
2.1 KiB
C++
// This code implementation is the intellectual property of
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// the GEANT4 collaboration.
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//
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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 statement,
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// and all its terms.
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//
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// $Id: G4VisExtent.cc,v 1.4 1999/12/15 14:50:37 gunter Exp $
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// GEANT4 tag $Name: geant4-02-00 $
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//
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//
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// A.Walkden 28/11/95
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// G4VisExtent.cc - to return parameters useful to the drawing window
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// employed by Visualization code.
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#include "G4VisExtent.hh"
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#include "G4ios.hh"
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G4VisExtent::G4VisExtent (G4double xmin, G4double xmax,
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G4double ymin, G4double ymax,
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G4double zmin, G4double zmax)
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:fXmin(xmin), fXmax(xmax), fYmin(ymin), fYmax(ymax), fZmin(zmin), fZmax(zmax)
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{}
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G4VisExtent::G4VisExtent (const G4Point3D& centre, G4double radius) {
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// Use inscribed radius to define G3VisExtent so that
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// GetExtentRadius gets radius back again. The one is the "inverse"
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// of the other, so to speak.
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G4double inscribedRadius = radius / sqrt (3.);
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fXmin = centre.x () - inscribedRadius;
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fXmax = centre.x () + inscribedRadius;
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fYmin = centre.y () - inscribedRadius;
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fYmax = centre.y () + inscribedRadius;
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fZmin = centre.z () - inscribedRadius;
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fZmax = centre.z () + inscribedRadius;
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}
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G4VisExtent::~G4VisExtent () {}
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G4Point3D G4VisExtent::GetExtentCentre () const {
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return G4Point3D (((fXmin + fXmax) / 2.),
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((fYmin + fYmax) / 2.),
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((fZmin + fZmax) / 2.));
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}
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G4double G4VisExtent::GetExtentRadius () const {
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return sqrt (((fXmax - fXmin) * (fXmax - fXmin)) +
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((fYmax - fYmin) * (fYmax - fYmin)) +
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((fZmax - fZmin) * (fZmax - fZmin))) / 2.;
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}
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G4std::ostream& operator << (G4std::ostream& os, const G4VisExtent& e) {
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os << "G4VisExtent (bounding box):";
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os << "\n X limits: " << e.fXmin << ' ' << e.fXmax;
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os << "\n Y limits: " << e.fYmin << ' ' << e.fYmax;
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os << "\n Z limits: " << e.fZmin << ' ' << e.fZmax;
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return os;
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}
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G4bool G4VisExtent::operator != (const G4VisExtent& e) const {
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return ((fXmin != e.fXmin) ||
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(fXmax != e.fXmax) ||
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(fYmin != e.fYmin) ||
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(fYmax != e.fYmax) ||
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(fZmin != e.fZmin) ||
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(fZmax != e.fZmax));
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}
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