#include <DistanceMapCalculator.hpp>
Collaboration diagram for DistanceMapCalculator< ELEMENT_DIM, SPACE_DIM >:Public Member Functions | |
| DistanceMapCalculator (AbstractTetrahedralMesh< ELEMENT_DIM, SPACE_DIM > &rMesh) | |
| ~DistanceMapCalculator () | |
| void | ComputeDistanceMap (const std::vector< unsigned > &rSourceNodeIndices, std::vector< double > &rNodeDistances) |
| double | SingleDistance (unsigned sourceNodeIndex, unsigned destinationNodeIndex) |
Private Member Functions | |
| bool | WorkOnLocalQueue (std::vector< double > &rNodeDistances) |
| bool | UpdateQueueFromRemote (std::vector< double > &rNodeDistances) |
| void | PushLocal (double priority, unsigned nodeIndex) |
Private Attributes | |
| AbstractTetrahedralMesh < ELEMENT_DIM, SPACE_DIM > & | mrMesh |
| unsigned | mNumNodes |
| unsigned | mLo |
| unsigned | mHi |
| bool | mWorkOnEntireMesh |
| unsigned * | mNumHalosPerProcess |
| std::vector< unsigned > | mHaloNodeIndices |
| unsigned | mRoundCounter |
| unsigned | mPopCounter |
| unsigned | mTargetNodeIndex |
| bool | mSingleTarget |
| c_vector< double, SPACE_DIM > | mTargetNodePoint |
| std::priority_queue< std::pair < double, unsigned > > | mActivePriorityNodeIndexQueue |
Friends | |
| class | TestDistanceMapCalculator |
Detailed Description
template<unsigned ELEMENT_DIM, unsigned SPACE_DIM>
class DistanceMapCalculator< ELEMENT_DIM, SPACE_DIM >
This class provides functionalities to compute a distance map in a given mesh from a given surface, specifying the distance from each node to the surface.
The mesh is specified in the constructor, and the ComputeDistanceMap computes (and returns by reference) the map.
Definition at line 52 of file DistanceMapCalculator.hpp.
Constructor & Destructor Documentation
| DistanceMapCalculator< ELEMENT_DIM, SPACE_DIM >::DistanceMapCalculator | ( | AbstractTetrahedralMesh< ELEMENT_DIM, SPACE_DIM > & | rMesh | ) |
Constructor
- Parameters
-
rMesh the mesh for which to compute maps
Definition at line 40 of file DistanceMapCalculator.cpp.
References DistributedTetrahedralMesh< ELEMENT_DIM, SPACE_DIM >::GetHaloNodeIndices(), PetscTools::GetNumProcs(), PetscTools::IsSequential(), DistanceMapCalculator< ELEMENT_DIM, SPACE_DIM >::mHaloNodeIndices, DistanceMapCalculator< ELEMENT_DIM, SPACE_DIM >::mHi, DistanceMapCalculator< ELEMENT_DIM, SPACE_DIM >::mLo, DistanceMapCalculator< ELEMENT_DIM, SPACE_DIM >::mNumHalosPerProcess, DistanceMapCalculator< ELEMENT_DIM, SPACE_DIM >::mNumNodes, DistanceMapCalculator< ELEMENT_DIM, SPACE_DIM >::mrMesh, and DistanceMapCalculator< ELEMENT_DIM, SPACE_DIM >::mWorkOnEntireMesh.
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inline |
Destructor - cleans up mNumHalosPerProcess (which is normally set to NULL anyway).
Definition at line 139 of file DistanceMapCalculator.hpp.
References DistanceMapCalculator< ELEMENT_DIM, SPACE_DIM >::mNumHalosPerProcess.
Member Function Documentation
| void DistanceMapCalculator< ELEMENT_DIM, SPACE_DIM >::ComputeDistanceMap | ( | const std::vector< unsigned > & | rSourceNodeIndices, |
| std::vector< double > & | rNodeDistances | ||
| ) |
Generates a distance map of all the nodes of the mesh to the given source
- Parameters
-
rSourceNodeIndices set of node indices defining the source set or surface If the vector of source nodes is empty then the results will be a vector of node distance which are all of size DBL_MAX rNodeDistances distance map computed. The method will resize it if it's not big enough.
Definition at line 77 of file DistanceMapCalculator.cpp.
References PetscTools::GetNumProcs(), NEVER_REACHED, and PetscTools::ReplicateBool().
Referenced by HeartGeometryInformation< SPACE_DIM >::HeartGeometryInformation(), and PostProcessingWriter< ELEMENT_DIM, SPACE_DIM >::WritePostProcessingFiles().
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inlineprivate |
Push a node index onto the queue. In the parallel case this will only push a locally-owned (not halo) node. Halo nodes will be updated, but never pushed to the local queue
- Parameters
-
priority Current priority/distance of this node. nodeIndex A global node index.
Definition at line 117 of file DistanceMapCalculator.hpp.
References DistanceMapCalculator< ELEMENT_DIM, SPACE_DIM >::mActivePriorityNodeIndexQueue, DistanceMapCalculator< ELEMENT_DIM, SPACE_DIM >::mHi, and DistanceMapCalculator< ELEMENT_DIM, SPACE_DIM >::mLo.
| double DistanceMapCalculator< ELEMENT_DIM, SPACE_DIM >::SingleDistance | ( | unsigned | sourceNodeIndex, |
| unsigned | destinationNodeIndex | ||
| ) |
- Returns
- calculated single point-to-point distance
- Parameters
-
sourceNodeIndex node index for source of distance computation. Calculations will be cached so that multiple point-to-point distance computations will get faster. destinationNodeIndex target destination node
- Todo:
- #1414 premature termination when we find the correct one (parallel)
Definition at line 277 of file DistanceMapCalculator.cpp.
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private |
Update the local Queue of node indices using data that are from the halo nodes of remote processes.
- Parameters
-
rNodeDistances distance map computed
- Returns
- true when this update was active => there are non-empty queues left to work on
- false without working or side-effects if we don't have a true distributed mesh
Definition at line 144 of file DistanceMapCalculator.cpp.
References PetscTools::GetMyRank(), PetscTools::GetNumProcs(), and PetscTools::ReplicateBool().
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private |
Work on the Queue of node indices (grass-fire across the mesh)
- Parameters
-
rNodeDistances distance map computed
- Returns
- true when a single target has been found
- false when there is work remaining or the queue is flushed
Definition at line 199 of file DistanceMapCalculator.cpp.
References Node< SPACE_DIM >::ContainingElementsBegin(), Node< SPACE_DIM >::ContainingElementsEnd(), Node< SPACE_DIM >::GetIndex(), AbstractElement< ELEMENT_DIM, SPACE_DIM >::GetNode(), AbstractElement< ELEMENT_DIM, SPACE_DIM >::GetNumNodes(), PetscTools::GetNumProcs(), and Node< SPACE_DIM >::rGetLocation().
Member Data Documentation
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private |
Queue of nodes to be processed (initialised with the nodes defining the surface) Priorities (given as the first in the pair for lexographical ordering) are initialised to -best_distance_to_source so that nodes closest to the source are dealt with first.
Definition at line 88 of file DistanceMapCalculator.hpp.
Referenced by DistanceMapCalculator< ELEMENT_DIM, SPACE_DIM >::PushLocal().
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private |
(Only used when mWorkOnEntrireMesh == false). This is a local cache of halo node indices.
Definition at line 70 of file DistanceMapCalculator.hpp.
Referenced by DistanceMapCalculator< ELEMENT_DIM, SPACE_DIM >::DistanceMapCalculator().
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private |
Local cache of the nodes owned by this process, from mesh's DistributedVectorFactory
Definition at line 64 of file DistanceMapCalculator.hpp.
Referenced by DistanceMapCalculator< ELEMENT_DIM, SPACE_DIM >::DistanceMapCalculator(), and DistanceMapCalculator< ELEMENT_DIM, SPACE_DIM >::PushLocal().
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private |
Local cache of the nodes owned by this process, from mesh's DistributedVectorFactory
Definition at line 62 of file DistanceMapCalculator.hpp.
Referenced by DistanceMapCalculator< ELEMENT_DIM, SPACE_DIM >::DistanceMapCalculator(), and DistanceMapCalculator< ELEMENT_DIM, SPACE_DIM >::PushLocal().
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private |
(Only used when mWorkOnEntrireMesh == false). This forms an array of with the number of halo nodes known by each process.
Definition at line 68 of file DistanceMapCalculator.hpp.
Referenced by DistanceMapCalculator< ELEMENT_DIM, SPACE_DIM >::DistanceMapCalculator(), and DistanceMapCalculator< ELEMENT_DIM, SPACE_DIM >::~DistanceMapCalculator().
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private |
Number of nodes in the mesh
Definition at line 60 of file DistanceMapCalculator.hpp.
Referenced by DistanceMapCalculator< ELEMENT_DIM, SPACE_DIM >::DistanceMapCalculator().
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private |
Used to check implementation for number of queue pops per calculation
Definition at line 74 of file DistanceMapCalculator.hpp.
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private |
The mesh
Definition at line 58 of file DistanceMapCalculator.hpp.
Referenced by DistanceMapCalculator< ELEMENT_DIM, SPACE_DIM >::DistanceMapCalculator().
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Used to check parallel implementation
Definition at line 72 of file DistanceMapCalculator.hpp.
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private |
True for point-to-point distances.
Definition at line 78 of file DistanceMapCalculator.hpp.
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Used in the calculation of point-to-point distances.
Definition at line 76 of file DistanceMapCalculator.hpp.
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Also used in the calculation of point-to-point distances with A* heuristic – this requires a parallel communication
Definition at line 80 of file DistanceMapCalculator.hpp.
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private |
Whether we should work on the entire mesh. True if sequential. True is the mesh is a plain TetrahedralMesh.
Definition at line 66 of file DistanceMapCalculator.hpp.
Referenced by DistanceMapCalculator< ELEMENT_DIM, SPACE_DIM >::DistanceMapCalculator().
The documentation for this class was generated from the following files:
- mesh/src/utilities/DistanceMapCalculator.hpp
- mesh/src/utilities/DistanceMapCalculator.cpp
