include/Geant4/G4SolidExtentList.hh

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0025 //
0026 // G4SolidExtentList
0027 //
0028 // Class description:
0029 //
0030 //   Defines a list of (voxel) extents along one axis.
0031 //
0032 //   This utility class is designed for one specific purpose:
0033 //   to calculate the extent of a CSG-like solid for a voxel
0034 //   (G4VSolid::CalculateExtent).
0035
0036 // Author: David C. Williams (davidw@scipp.ucsc.edu)
0037 // --------------------------------------------------------------------
0038 #ifndef G4SOLIDEXTENTLIST_HH
0039 #define G4SOLIDEXTENTLIST_HH
0040
0041 #include "G4Types.hh"
0042
0043 #include "G4ClippablePolygon.hh"
0044
0045 class G4SolidExtentList
0046 {
0047   public:
0048
0049     G4SolidExtentList();
0050     G4SolidExtentList( const EAxis targetAxis,
0051                        const G4VoxelLimits& voxelLimits );
0052     ~G4SolidExtentList();
0053
0054     void AddSurface( const G4ClippablePolygon& surface );
0055
0056     G4bool GetExtent( G4double& min, G4double& max ) const;
0057
0058   protected:
0059
0060     EAxis    axis;     // Target axis
0061     G4bool   limited = false;  // True if limited
0062     G4double minLimit; // ... min limit
0063     G4double maxLimit; // ... max limit
0064
0065     G4ClippablePolygon minSurface,  // Minimum surface within limits
0066                        maxSurface,  // Maximum
0067                        minAbove,    // Minimum surface totally above max limit
0068                        maxBelow;    // Maximum surface totally below min limit
0069 };
0070
0071 #endif