| 1 | #ifndef __MAPPER_HPP__ |
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| 2 | #define __MAPPER_HPP__ |
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| 3 | #include "parallel_tree.hpp" |
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| 4 | #include "mpi.hpp" |
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| 5 | |
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| 6 | namespace sphereRemap { |
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| 7 | |
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| 8 | enum verbosity |
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| 9 | { |
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| 10 | SILENT = 0, |
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| 11 | PROGRESS = 1, |
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| 12 | DETAILS = 2 |
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| 13 | }; |
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| 14 | |
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| 15 | void cptOffsetsFromLengths(const int *lengths, int *offsets, int sz); |
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| 16 | |
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| 17 | class Mapper |
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| 18 | { |
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| 19 | public: |
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| 20 | Mapper(MPI_Comm comm=MPI_COMM_WORLD) : communicator(comm), verbose(SILENT), neighbourElements(NULL), sstree(comm) {} |
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| 21 | ~Mapper(); |
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| 22 | void setVerbosity(verbosity v) {verbose=v ;} |
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| 23 | |
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| 24 | void setSourceMesh(const double* boundsLon, const double* boundsLat, int nVertex, int nbCells, const double* pole, const long int* globalId=NULL) ; |
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| 25 | void setTargetMesh(const double* boundsLon, const double* boundsLat, int nVertex, int nbCells, const double* pole, const long int* globalId=NULL) ; |
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| 26 | void setSourceValue(const double* val) ; |
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| 27 | void getTargetValue(double* val) ; |
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| 28 | |
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| 29 | double buildSSTree(vector<Node>& srcMsh, vector<Node>& trgMsh) |
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| 30 | { |
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| 31 | sstree.build(srcMsh, trgMsh); |
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| 32 | } |
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| 33 | |
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| 34 | /** @param trgElts are the elements of the unstructured target grid |
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| 35 | Returns the timings for substeps: */ |
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| 36 | vector<double> computeWeights(int interpOrder); |
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| 37 | int getNbWeights(void) { return nWeights ; } |
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| 38 | /* |
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| 39 | void getWeigths(double* weights, double* sourceInd, double* targetInd) ; |
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| 40 | void getWeights(vector<double>& weights, vector<double>& sourceInd, vector<double>& targetInd) ; |
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| 41 | */ |
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| 42 | /* where weights are returned after call to `computeWeights` */ |
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| 43 | double *remapMatrix; |
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| 44 | int *srcAddress; |
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| 45 | int *srcRank; |
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| 46 | int *dstAddress; |
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| 47 | int nWeights; |
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| 48 | long int* sourceWeightId ; |
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| 49 | long int* targetWeightId ; |
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| 50 | |
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| 51 | private: |
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| 52 | /** @return number of weights (local to cpu) */ |
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| 53 | int remap(Elt* elements, int nbElements, int order); |
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| 54 | |
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| 55 | void buildMeshTopology(); |
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| 56 | void computeGrads(); |
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| 57 | void computeIntersection(Elt* elements, int nbElements); |
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| 58 | |
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| 59 | int verbose; |
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| 60 | |
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| 61 | /** Holds adaptional leaf nodes as ghost cells for gradient computations (hold neighbour elements from other ranks). |
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| 62 | They will be inserted to the local trees but not saved in its leaf array */ |
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| 63 | vector<Node> neighbourNodes; |
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| 64 | |
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| 65 | int nbNeighbourElements; |
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| 66 | Elt* neighbourElements; |
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| 67 | |
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| 68 | CParallelTree sstree; |
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| 69 | MPI_Comm communicator ; |
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| 70 | std::vector<Elt> sourceElements ; |
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| 71 | std::vector<Node> sourceMesh ; |
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| 72 | std::vector<Elt> targetElements ; |
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| 73 | std::vector<Node> targetMesh ; |
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| 74 | std::vector<long> sourceGlobalId ; |
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| 75 | std::vector<long> targetGlobalId ; |
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| 76 | |
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| 77 | }; |
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| 78 | |
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| 79 | } |
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| 80 | #endif |
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