Gabriele Cosmo
204 lines
7.6 KiB
C++
204 lines
7.6 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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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. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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//
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//
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// class G4SmartVoxelHeader
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//
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// Class description:
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//
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// Represents a set of voxels, created by a single axis of virtual division.
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// Contains the individual voxels, which are potentially further divided
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// along different axes.
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//
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// Member data:
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//
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// EAxis faxis
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// - The (cartesian) slicing/division axis
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// G4double fmaxExtent
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// G4double fminExtent
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// - Minimum and maximum coordiantes along the axis
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// std::vector<G4SmartVoxelProxy*> fslices
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// - The slices along the axis
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//
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// G4int fminEquivalent
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// G4int fmaxEquivalent
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// - Minimum and maximum equivalent slice nos.
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// [Applies to the level of the header, not its nodes]
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// History:
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// 18.04.01 G.Cosmo Migrated to STL vector
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// 13.07.95 P.Kent Initial version
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// --------------------------------------------------------------------
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#ifndef G4SMARTVOXELHEADER_HH
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#define G4SMARTVOXELHEADER_HH
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#include "G4Types.hh"
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#include "geomdefs.hh"
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#include "G4SmartVoxelProxy.hh"
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#include "G4SmartVoxelNode.hh"
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#include <vector>
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// Forward declarations
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class G4LogicalVolume;
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class G4VoxelLimits;
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class G4VPhysicalVolume;
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// Typedefs
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typedef std::vector<G4SmartVoxelProxy*> G4ProxyVector;
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typedef std::vector<G4SmartVoxelNode*> G4NodeVector;
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typedef std::vector<G4int> G4VolumeNosVector;
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typedef std::vector<G4double> G4VolumeExtentVector;
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class G4SmartVoxelHeader
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{
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public: // with description
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G4SmartVoxelHeader(G4LogicalVolume* pVolume, G4int pSlice=0);
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// Constructor for topmost header, to begin voxel construction at a
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// given logical volume. pSlice is used to set max and min equivalent
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// slice nos for the header - they apply to the level of the header,
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// not its nodes.
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~G4SmartVoxelHeader();
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// Delete all referenced nodes [but *not* referenced physical volumes].
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G4int GetMaxEquivalentSliceNo() const;
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void SetMaxEquivalentSliceNo(G4int pMax);
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G4int GetMinEquivalentSliceNo() const;
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void SetMinEquivalentSliceNo(G4int pMin);
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// Access functions for min/max equivalent slices (nodes & headers).
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EAxis GetAxis() const;
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// Return the current division axis.
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EAxis GetParamAxis() const;
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// Return suggested division axis for parameterised volume.
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G4double GetMaxExtent() const;
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// Return the maximum coordinate limit along the current axis.
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G4double GetMinExtent() const;
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// Return the minimum coordinate limit along the current axis.
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G4int GetNoSlices() const;
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// Return the no of slices along the current axis.
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G4SmartVoxelProxy* GetSlice(G4int n) const;
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// Return ptr to the proxy for the nth slice (numbering from 0,
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// no bounds checking performed).
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G4bool AllSlicesEqual() const;
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// True if all slices equal (after collection).
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public: // without description
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G4bool operator == (const G4SmartVoxelHeader& pHead) const;
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friend std::ostream&
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operator << (std::ostream&s, const G4SmartVoxelHeader& h);
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G4SmartVoxelHeader(G4LogicalVolume* pVolume,
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const G4VoxelLimits& pLimits,
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const G4VolumeNosVector* pCandidates,
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G4int pSlice=0);
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// Build and refine voxels between specified limits, considering only
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// the physical volumes numbered `pCandidates'. pSlice is used to set max
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// and min equivalent slice nos for the header - they apply to the level
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// of the header, not its nodes.
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protected:
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// `Worker' / operation functions:
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void BuildVoxels(G4LogicalVolume* pVolume);
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// Build and refine voxels for daughters of specified volume which
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// DOES NOT contain a REPLICATED daughter.
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void BuildReplicaVoxels(G4LogicalVolume* pVolume);
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// Build voxels for specified volume containing a single
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// replicated volume.
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void BuildConsumedNodes(G4int nReplicas);
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// Construct nodes in simple consuming case.
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void BuildVoxelsWithinLimits(G4LogicalVolume* pVolume,
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G4VoxelLimits pLimits,
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const G4VolumeNosVector* pCandidates);
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// Build and refine voxels between specified limits, considering only
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// the physical volumes `pCandidates'. Main entry point for "construction".
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// Hardwired to stop at third level of refinement, using the xyz cartesian
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// axes in any order.
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void BuildEquivalentSliceNos();
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// Calculate and Store the minimum and maximum equivalent neighbour
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// values for all slices.
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void CollectEquivalentNodes();
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// Collect common nodes, deleting all but one to save memory,
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// and adjusting stored slice ptrs appropriately.
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void CollectEquivalentHeaders();
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// Collect common headers, deleting all but one to save memory,
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// and adjusting stored slice ptrs appropriately.
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G4ProxyVector* BuildNodes(G4LogicalVolume* pVolume,
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G4VoxelLimits pLimits,
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const G4VolumeNosVector* pCandidates,
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EAxis pAxis);
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// Build the nodes corresponding to the specified axis, within
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// the specified limits, considering the daughters numbered pCandidates
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// of the logical volume.
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G4double CalculateQuality(G4ProxyVector *pSlice);
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// Calculate a "quality value" for the specified vector of voxels
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// The value returned should be >0 and such that the smaller the
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// number the higher the quality of the slice.
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// pSlice must consist of smartvoxelnodeproxies only.
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void RefineNodes(G4LogicalVolume* pVolume,G4VoxelLimits pLimits);
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// Examined each contained node, refine (create a replacement additional
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// dimension of voxels) when there is more than one voxel in the slice.
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G4int fminEquivalent;
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G4int fmaxEquivalent;
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// Min and max equivalent slice nos for previous level.
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EAxis faxis, fparamAxis;
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// Axis for slices.
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G4double fmaxExtent;
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G4double fminExtent;
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// Max and min coordinate along faxis.
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G4ProxyVector fslices;
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// Slices along axis.
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};
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#include "G4SmartVoxelHeader.icc"
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#endif
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