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.cc,v 1.10 2006/06/29 19:07:28 gunter Exp $ |
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28 | // GEANT4 tag $Name: $ |
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29 | // |
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30 | // |
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31 | // A.Walkden 28/11/95 |
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32 | // G4VisExtent.cc - to return parameters useful to the drawing window |
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33 | // employed by Visualization code. |
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34 | |
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35 | #include "G4VisExtent.hh" |
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36 | |
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37 | #include "G4ios.hh" |
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38 | |
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39 | const G4VisExtent G4VisExtent::NullExtent; // Default extent is null. |
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40 | |
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41 | G4VisExtent::G4VisExtent (G4double xmin, G4double xmax, |
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42 | G4double ymin, G4double ymax, |
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43 | G4double zmin, G4double zmax) |
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44 | :fXmin(xmin), fXmax(xmax), fYmin(ymin), fYmax(ymax), fZmin(zmin), fZmax(zmax) |
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45 | {} |
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46 | |
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47 | G4VisExtent::G4VisExtent (const G4Point3D& centre, G4double radius) { |
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48 | // Use exscribed radius ... see comments in header file. |
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49 | G4double halfSide (radius / std::sqrt (3.)); |
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50 | fXmin = centre.x () - halfSide; |
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51 | fXmax = centre.x () + halfSide; |
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52 | fYmin = centre.y () - halfSide; |
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53 | fYmax = centre.y () + halfSide; |
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54 | fZmin = centre.z () - halfSide; |
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55 | fZmax = centre.z () + halfSide; |
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56 | } |
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57 | |
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58 | G4VisExtent::~G4VisExtent () {} |
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59 | |
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60 | G4Point3D G4VisExtent::GetExtentCentre () const { |
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61 | return G4Point3D (((fXmin + fXmax) / 2.), |
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62 | ((fYmin + fYmax) / 2.), |
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63 | ((fZmin + fZmax) / 2.)); |
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64 | } |
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65 | |
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66 | G4double G4VisExtent::GetExtentRadius () const { |
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67 | return std::sqrt (((fXmax - fXmin) * (fXmax - fXmin)) + |
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68 | ((fYmax - fYmin) * (fYmax - fYmin)) + |
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69 | ((fZmax - fZmin) * (fZmax - fZmin))) / 2.; |
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70 | } |
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71 | |
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72 | std::ostream& operator << (std::ostream& os, const G4VisExtent& e) { |
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73 | os << "G4VisExtent (bounding box):"; |
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74 | os << "\n X limits: " << e.fXmin << ' ' << e.fXmax; |
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75 | os << "\n Y limits: " << e.fYmin << ' ' << e.fYmax; |
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76 | os << "\n Z limits: " << e.fZmin << ' ' << e.fZmax; |
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77 | return os; |
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78 | } |
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79 | |
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80 | G4bool G4VisExtent::operator != (const G4VisExtent& e) const { |
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81 | return ((fXmin != e.fXmin) || |
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82 | (fXmax != e.fXmax) || |
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83 | (fYmin != e.fYmin) || |
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84 | (fYmax != e.fYmax) || |
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85 | (fZmin != e.fZmin) || |
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86 | (fZmax != e.fZmax)); |
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87 | } |
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