[657] | 1 | /*! |
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| 2 | \file domain_algorithm_interpolate_from_file.cpp |
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| 3 | \author Ha NGUYEN |
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| 4 | \since 09 Jul 2015 |
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[689] | 5 | \date 15 Sep 2015 |
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[657] | 6 | |
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| 7 | \brief Algorithm for interpolation on a domain. |
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| 8 | */ |
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[689] | 9 | #include "domain_algorithm_interpolate.hpp" |
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[657] | 10 | #include <boost/unordered_map.hpp> |
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| 11 | #include "context.hpp" |
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| 12 | #include "context_client.hpp" |
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| 13 | #include "distribution_client.hpp" |
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| 14 | #include "client_server_mapping_distributed.hpp" |
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[660] | 15 | #include "netcdf.hpp" |
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[688] | 16 | #include "mapper.hpp" |
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[821] | 17 | #include "mpi_tag.hpp" |
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[933] | 18 | #include "domain.hpp" |
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| 19 | #include "grid_transformation_factory_impl.hpp" |
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| 20 | #include "interpolate_domain.hpp" |
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| 21 | #include "grid.hpp" |
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[657] | 22 | |
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| 23 | namespace xios { |
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[933] | 24 | CGenericAlgorithmTransformation* CDomainAlgorithmInterpolate::create(CGrid* gridDst, CGrid* gridSrc, |
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| 25 | CTransformation<CDomain>* transformation, |
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| 26 | int elementPositionInGrid, |
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| 27 | std::map<int, int>& elementPositionInGridSrc2ScalarPosition, |
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| 28 | std::map<int, int>& elementPositionInGridSrc2AxisPosition, |
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| 29 | std::map<int, int>& elementPositionInGridSrc2DomainPosition, |
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| 30 | std::map<int, int>& elementPositionInGridDst2ScalarPosition, |
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| 31 | std::map<int, int>& elementPositionInGridDst2AxisPosition, |
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| 32 | std::map<int, int>& elementPositionInGridDst2DomainPosition) |
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| 33 | { |
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| 34 | std::vector<CDomain*> domainListDestP = gridDst->getDomains(); |
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| 35 | std::vector<CDomain*> domainListSrcP = gridSrc->getDomains(); |
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[657] | 36 | |
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[933] | 37 | CInterpolateDomain* interpolateDomain = dynamic_cast<CInterpolateDomain*> (transformation); |
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| 38 | int domainDstIndex = elementPositionInGridDst2AxisPosition[elementPositionInGrid]; |
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| 39 | int domainSrcIndex = elementPositionInGridSrc2AxisPosition[elementPositionInGrid]; |
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| 40 | |
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| 41 | return (new CDomainAlgorithmInterpolate(domainListDestP[domainDstIndex], domainListSrcP[domainSrcIndex], interpolateDomain)); |
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| 42 | } |
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| 43 | |
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| 44 | bool CDomainAlgorithmInterpolate::registerTrans() |
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| 45 | { |
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| 46 | CGridTransformationFactory<CDomain>::registerTransformation(TRANS_INTERPOLATE_DOMAIN, create); |
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| 47 | } |
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| 48 | |
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[689] | 49 | CDomainAlgorithmInterpolate::CDomainAlgorithmInterpolate(CDomain* domainDestination, CDomain* domainSource, CInterpolateDomain* interpDomain) |
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[657] | 50 | : CDomainAlgorithmTransformation(domainDestination, domainSource), interpDomain_(interpDomain) |
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| 51 | { |
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| 52 | interpDomain_->checkValid(domainSource); |
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| 53 | } |
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| 54 | |
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[689] | 55 | /*! |
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| 56 | Compute remap with integrated remap calculation module |
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| 57 | */ |
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| 58 | void CDomainAlgorithmInterpolate::computeRemap() |
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[688] | 59 | { |
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| 60 | using namespace sphereRemap; |
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| 61 | |
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| 62 | CContext* context = CContext::getCurrent(); |
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| 63 | CContextClient* client=context->client; |
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| 64 | int clientRank = client->clientRank; |
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| 65 | int i, j, k, idx; |
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[689] | 66 | std::vector<double> srcPole(3,0), dstPole(3,0); |
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[915] | 67 | int orderInterp = interpDomain_->order.getValue(); |
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[846] | 68 | bool renormalize ; |
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[688] | 69 | |
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[846] | 70 | if (interpDomain_->renormalize.isEmpty()) renormalize=true; |
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| 71 | else renormalize = interpDomain_->renormalize; |
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| 72 | |
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[743] | 73 | const double poleValue = 90.0; |
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| 74 | const int constNVertex = 4; // Value by default number of vertex for rectangular domain |
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[688] | 75 | int nVertexSrc, nVertexDest; |
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| 76 | nVertexSrc = nVertexDest = constNVertex; |
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| 77 | |
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| 78 | // First of all, try to retrieve the boundary values of domain source and domain destination |
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| 79 | int localDomainSrcSize = domainSrc_->i_index.numElements(); |
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| 80 | int niSrc = domainSrc_->ni.getValue(), njSrc = domainSrc_->nj.getValue(); |
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| 81 | bool hasBoundSrc = domainSrc_->hasBounds; |
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| 82 | if (hasBoundSrc) nVertexSrc = domainSrc_->nvertex.getValue(); |
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| 83 | CArray<double,2> boundsLonSrc(nVertexSrc,localDomainSrcSize); |
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| 84 | CArray<double,2> boundsLatSrc(nVertexSrc,localDomainSrcSize); |
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| 85 | |
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[953] | 86 | if (domainSrc_->hasPole) srcPole[2] = 1; |
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[688] | 87 | if (hasBoundSrc) // Suppose that domain source is curvilinear or unstructured |
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| 88 | { |
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| 89 | if (!domainSrc_->bounds_lon_2d.isEmpty()) |
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| 90 | { |
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| 91 | for (j = 0; j < njSrc; ++j) |
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| 92 | for (i = 0; i < niSrc; ++i) |
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| 93 | { |
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| 94 | k=j*niSrc+i; |
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| 95 | for(int n=0;n<nVertexSrc;++n) |
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| 96 | { |
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| 97 | boundsLonSrc(n,k) = domainSrc_->bounds_lon_2d(n,i,j); |
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| 98 | boundsLatSrc(n,k) = domainSrc_->bounds_lat_2d(n,i,j); |
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| 99 | } |
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| 100 | } |
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| 101 | } |
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| 102 | else |
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| 103 | { |
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| 104 | boundsLonSrc = domainSrc_->bounds_lon_1d; |
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| 105 | boundsLatSrc = domainSrc_->bounds_lat_1d; |
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| 106 | } |
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| 107 | } |
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| 108 | else // if domain source is rectilinear, not do anything now |
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| 109 | { |
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[809] | 110 | CArray<double,1> lon_g ; |
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| 111 | CArray<double,1> lat_g ; |
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[753] | 112 | |
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[809] | 113 | if (!domainSrc_->lonvalue_1d.isEmpty() && !domainSrc_->latvalue_1d.isEmpty()) |
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[808] | 114 | { |
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[915] | 115 | domainSrc_->AllgatherRectilinearLonLat(domainSrc_->lonvalue_1d,domainSrc_->latvalue_1d, lon_g,lat_g) ; |
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| 116 | } |
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| 117 | else if (! domainSrc_->latvalue_rectilinear_read_from_file.isEmpty() && ! domainSrc_->lonvalue_rectilinear_read_from_file.isEmpty() ) |
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[808] | 118 | { |
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[915] | 119 | lat_g=domainSrc_->latvalue_rectilinear_read_from_file ; |
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| 120 | lon_g=domainSrc_->lonvalue_rectilinear_read_from_file ; |
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| 121 | } |
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| 122 | else if (!domainSrc_->lon_start.isEmpty() && !domainSrc_->lon_end.isEmpty() && |
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| 123 | !domainSrc_->lat_start.isEmpty() && !domainSrc_->lat_end.isEmpty()) |
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| 124 | { |
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| 125 | double step=(domainSrc_->lon_end-domainSrc_->lon_start)/domainSrc_->ni_glo ; |
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| 126 | for (int i=0; i<domainSrc_->ni_glo; ++i) lon_g(i)=domainSrc_->lon_start+i*step ; |
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| 127 | step=(domainSrc_->lat_end-domainSrc_->lat_start)/domainSrc_->nj_glo ; |
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| 128 | for (int i=0; i<domainSrc_->ni_glo; ++i) lat_g(i)=domainSrc_->lat_start+i*step ; |
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| 129 | } |
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| 130 | else ERROR("void CDomainAlgorithmInterpolate::computeRemap()",<<"Cannot compute bounds for rectilinear domain") ; |
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[808] | 131 | |
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[688] | 132 | nVertexSrc = constNVertex; |
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[809] | 133 | domainSrc_->fillInRectilinearBoundLonLat(lon_g,lat_g, boundsLonSrc, boundsLatSrc); |
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[688] | 134 | } |
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| 135 | |
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[743] | 136 | std::map<int,std::vector<std::pair<int,double> > > interpMapValueNorthPole; |
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| 137 | std::map<int,std::vector<std::pair<int,double> > > interpMapValueSouthPole; |
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| 138 | |
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[688] | 139 | int localDomainDestSize = domainDest_->i_index.numElements(); |
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| 140 | int niDest = domainDest_->ni.getValue(), njDest = domainDest_->nj.getValue(); |
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| 141 | bool hasBoundDest = domainDest_->hasBounds; |
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| 142 | if (hasBoundDest) nVertexDest = domainDest_->nvertex.getValue(); |
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| 143 | CArray<double,2> boundsLonDest(nVertexDest,localDomainDestSize); |
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| 144 | CArray<double,2> boundsLatDest(nVertexDest,localDomainDestSize); |
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| 145 | |
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[953] | 146 | if (domainDest_->hasPole) dstPole[2] = 1; |
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[688] | 147 | if (hasBoundDest) |
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| 148 | { |
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| 149 | if (!domainDest_->bounds_lon_2d.isEmpty()) |
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| 150 | { |
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| 151 | for (j = 0; j < njDest; ++j) |
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| 152 | for (i = 0; i < niDest; ++i) |
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| 153 | { |
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| 154 | k=j*niDest+i; |
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| 155 | for(int n=0;n<nVertexDest;++n) |
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| 156 | { |
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| 157 | boundsLonDest(n,k) = domainDest_->bounds_lon_2d(n,i,j); |
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| 158 | boundsLatDest(n,k) = domainDest_->bounds_lat_2d(n,i,j); |
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| 159 | } |
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| 160 | } |
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| 161 | } |
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| 162 | else |
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| 163 | { |
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| 164 | boundsLonDest = domainDest_->bounds_lon_1d; |
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| 165 | boundsLatDest = domainDest_->bounds_lat_1d; |
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| 166 | } |
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| 167 | } |
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| 168 | else |
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| 169 | { |
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[753] | 170 | bool isNorthPole = false; |
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| 171 | bool isSouthPole = false; |
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[809] | 172 | |
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| 173 | CArray<double,1> lon_g ; |
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| 174 | CArray<double,1> lat_g ; |
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| 175 | |
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| 176 | if (!domainDest_->lonvalue_1d.isEmpty() && !domainDest_->latvalue_1d.isEmpty()) |
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| 177 | { |
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[949] | 178 | domainDest_->AllgatherRectilinearLonLat(domainDest_->lonvalue_1d,domainDest_->latvalue_1d, lon_g,lat_g) ; |
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| 179 | } |
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| 180 | else if (! domainDest_->latvalue_rectilinear_read_from_file.isEmpty() && ! domainDest_->lonvalue_rectilinear_read_from_file.isEmpty() ) |
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[809] | 181 | { |
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[949] | 182 | lat_g=domainDest_->latvalue_rectilinear_read_from_file ; |
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| 183 | lon_g=domainDest_->lonvalue_rectilinear_read_from_file ; |
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| 184 | } |
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| 185 | else if (!domainDest_->lon_start.isEmpty() && !domainDest_->lon_end.isEmpty() && |
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| 186 | !domainDest_->lat_start.isEmpty() && !domainDest_->lat_end.isEmpty()) |
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| 187 | { |
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| 188 | double step=(domainDest_->lon_end-domainDest_->lon_start)/domainDest_->ni_glo ; |
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| 189 | for(int i=0; i<domainDest_->ni_glo; ++i) lon_g(i)=domainDest_->lon_start+i*step ; |
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| 190 | step=(domainDest_->lat_end-domainDest_->lat_start)/domainDest_->nj_glo ; |
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| 191 | for(int i=0; i<domainDest_->ni_glo; ++i) lat_g(i)=domainDest_->lat_start+i*step ; |
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| 192 | } |
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| 193 | else ERROR("void CDomainAlgorithmInterpolate::computeRemap()",<<"Cannot compute bounds for rectilinear domain") ; |
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| 194 | |
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[809] | 195 | if (std::abs(poleValue - std::abs(lat_g(0))) < NumTraits<double>::epsilon()) isNorthPole = true; |
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| 196 | if (std::abs(poleValue - std::abs(lat_g(domainDest_->nj_glo-1))) < NumTraits<double>::epsilon()) isSouthPole = true; |
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| 197 | |
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[821] | 198 | |
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| 199 | |
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| 200 | |
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[743] | 201 | if (isNorthPole && (0 == domainDest_->jbegin.getValue())) |
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| 202 | { |
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| 203 | int ibegin = domainDest_->ibegin.getValue(); |
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| 204 | for (i = 0; i < niDest; ++i) |
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| 205 | { |
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| 206 | interpMapValueNorthPole[i+ibegin]; |
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| 207 | } |
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| 208 | } |
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| 209 | |
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| 210 | if (isSouthPole && (domainDest_->nj_glo.getValue() == (domainDest_->jbegin.getValue() + njDest))) |
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| 211 | { |
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| 212 | int ibegin = domainDest_->ibegin.getValue(); |
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| 213 | int njGlo = domainDest_->nj_glo.getValue(); |
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| 214 | int niGlo = domainDest_->ni_glo.getValue(); |
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| 215 | for (i = 0; i < niDest; ++i) |
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| 216 | { |
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| 217 | k = (njGlo - 1)*niGlo + i + ibegin; |
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| 218 | interpMapValueSouthPole[k]; |
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| 219 | } |
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| 220 | } |
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| 221 | |
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[688] | 222 | // Ok, fill in boundary values for rectangular domain |
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[689] | 223 | nVertexDest = constNVertex; |
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[809] | 224 | domainDest_->fillInRectilinearBoundLonLat(lon_g,lat_g, boundsLonDest, boundsLatDest); |
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[688] | 225 | } |
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| 226 | |
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[709] | 227 | |
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| 228 | |
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[688] | 229 | // Ok, now use mapper to calculate |
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| 230 | int nSrcLocal = domainSrc_->i_index.numElements(); |
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| 231 | int nDstLocal = domainDest_->i_index.numElements(); |
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[709] | 232 | long int * globalSrc = new long int [nSrcLocal]; |
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| 233 | long int * globalDst = new long int [nDstLocal]; |
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| 234 | |
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| 235 | long int globalIndex; |
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| 236 | int i_ind, j_ind; |
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| 237 | for (int idx = 0; idx < nSrcLocal; ++idx) |
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| 238 | { |
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| 239 | i_ind=domainSrc_->i_index(idx) ; |
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| 240 | j_ind=domainSrc_->j_index(idx) ; |
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| 241 | |
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| 242 | globalIndex = i_ind + j_ind * domainSrc_->ni_glo; |
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| 243 | globalSrc[idx] = globalIndex; |
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| 244 | } |
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| 245 | |
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| 246 | for (int idx = 0; idx < nDstLocal; ++idx) |
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| 247 | { |
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| 248 | i_ind=domainDest_->i_index(idx) ; |
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| 249 | j_ind=domainDest_->j_index(idx) ; |
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| 250 | |
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| 251 | globalIndex = i_ind + j_ind * domainDest_->ni_glo; |
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| 252 | globalDst[idx] = globalIndex; |
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| 253 | } |
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| 254 | |
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| 255 | |
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| 256 | // Calculate weight index |
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[688] | 257 | Mapper mapper(client->intraComm); |
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| 258 | mapper.setVerbosity(PROGRESS) ; |
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| 259 | |
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[880] | 260 | |
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[846] | 261 | // supress masked data for the source |
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| 262 | int nSrcLocalUnmasked = 0 ; |
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[893] | 263 | for (int idx=0 ; idx < nSrcLocal; idx++) if (domainSrc_->localMask(idx)) ++nSrcLocalUnmasked ; |
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[846] | 264 | |
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[880] | 265 | |
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[846] | 266 | CArray<double,2> boundsLonSrcUnmasked(nVertexSrc,nSrcLocalUnmasked); |
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| 267 | CArray<double,2> boundsLatSrcUnmasked(nVertexSrc,nSrcLocalUnmasked); |
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| 268 | long int * globalSrcUnmasked = new long int [nSrcLocalUnmasked]; |
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| 269 | |
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| 270 | nSrcLocalUnmasked=0 ; |
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| 271 | for (int idx=0 ; idx < nSrcLocal; idx++) |
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| 272 | { |
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[893] | 273 | if (domainSrc_->localMask(idx)) |
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[846] | 274 | { |
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| 275 | for(int n=0;n<nVertexSrc;++n) |
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| 276 | { |
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| 277 | boundsLonSrcUnmasked(n,nSrcLocalUnmasked) = boundsLonSrc(n,idx) ; |
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| 278 | boundsLatSrcUnmasked(n,nSrcLocalUnmasked) = boundsLatSrc(n,idx) ; |
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| 279 | } |
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| 280 | globalSrcUnmasked[nSrcLocalUnmasked]=globalSrc[idx] ; |
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| 281 | ++nSrcLocalUnmasked ; |
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| 282 | } |
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| 283 | } |
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| 284 | |
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[893] | 285 | |
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[846] | 286 | int nDstLocalUnmasked = 0 ; |
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[893] | 287 | for (int idx=0 ; idx < nDstLocal; idx++) if (domainDest_->localMask(idx)) ++nDstLocalUnmasked ; |
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[846] | 288 | |
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| 289 | CArray<double,2> boundsLonDestUnmasked(nVertexDest,nDstLocalUnmasked); |
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| 290 | CArray<double,2> boundsLatDestUnmasked(nVertexDest,nDstLocalUnmasked); |
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| 291 | long int * globalDstUnmasked = new long int [nDstLocalUnmasked]; |
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| 292 | |
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| 293 | nDstLocalUnmasked=0 ; |
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| 294 | for (int idx=0 ; idx < nDstLocal; idx++) |
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| 295 | { |
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[893] | 296 | if (domainDest_->localMask(idx)) |
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[846] | 297 | { |
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| 298 | for(int n=0;n<nVertexDest;++n) |
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| 299 | { |
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| 300 | boundsLonDestUnmasked(n,nDstLocalUnmasked) = boundsLonDest(n,idx) ; |
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| 301 | boundsLatDestUnmasked(n,nDstLocalUnmasked) = boundsLatDest(n,idx) ; |
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| 302 | } |
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| 303 | globalDstUnmasked[nDstLocalUnmasked]=globalDst[idx] ; |
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| 304 | ++nDstLocalUnmasked ; |
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| 305 | } |
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| 306 | } |
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[856] | 307 | |
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[846] | 308 | mapper.setSourceMesh(boundsLonSrcUnmasked.dataFirst(), boundsLatSrcUnmasked.dataFirst(), nVertexSrc, nSrcLocalUnmasked, &srcPole[0], globalSrcUnmasked); |
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| 309 | mapper.setTargetMesh(boundsLonDestUnmasked.dataFirst(), boundsLatDestUnmasked.dataFirst(), nVertexDest, nDstLocalUnmasked, &dstPole[0], globalDstUnmasked); |
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| 310 | |
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| 311 | std::vector<double> timings = mapper.computeWeights(orderInterp,renormalize); |
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| 312 | |
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[709] | 313 | std::map<int,std::vector<std::pair<int,double> > > interpMapValue; |
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[743] | 314 | std::map<int,std::vector<std::pair<int,double> > >::const_iterator iteNorthPole = interpMapValueNorthPole.end(), |
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| 315 | iteSouthPole = interpMapValueSouthPole.end(); |
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[688] | 316 | for (int idx = 0; idx < mapper.nWeights; ++idx) |
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| 317 | { |
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[709] | 318 | interpMapValue[mapper.targetWeightId[idx]].push_back(make_pair(mapper.sourceWeightId[idx],mapper.remapMatrix[idx])); |
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[743] | 319 | if (iteNorthPole != interpMapValueNorthPole.find(mapper.targetWeightId[idx])) |
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| 320 | { |
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| 321 | interpMapValueNorthPole[mapper.targetWeightId[idx]].push_back(make_pair(mapper.sourceWeightId[idx],mapper.remapMatrix[idx])); |
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| 322 | } |
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| 323 | |
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| 324 | if (iteSouthPole != interpMapValueSouthPole.find(mapper.targetWeightId[idx])) |
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| 325 | { |
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| 326 | interpMapValueSouthPole[mapper.targetWeightId[idx]].push_back(make_pair(mapper.sourceWeightId[idx],mapper.remapMatrix[idx])); |
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| 327 | } |
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[688] | 328 | } |
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[743] | 329 | int niGloDst = domainDest_->ni_glo.getValue(); |
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| 330 | processPole(interpMapValueNorthPole, niGloDst); |
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| 331 | processPole(interpMapValueSouthPole, niGloDst); |
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| 332 | |
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| 333 | if (!interpMapValueNorthPole.empty()) |
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| 334 | { |
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| 335 | std::map<int,std::vector<std::pair<int,double> > >::iterator itNorthPole = interpMapValueNorthPole.begin(); |
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| 336 | for (; itNorthPole != iteNorthPole; ++itNorthPole) |
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| 337 | { |
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| 338 | if (!(itNorthPole->second.empty())) |
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| 339 | itNorthPole->second.swap(interpMapValue[itNorthPole->first]); |
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| 340 | } |
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| 341 | } |
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| 342 | |
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| 343 | if (!interpMapValueSouthPole.empty()) |
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| 344 | { |
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| 345 | std::map<int,std::vector<std::pair<int,double> > >::iterator itSouthPole = interpMapValueSouthPole.begin(); |
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| 346 | for (; itSouthPole != iteSouthPole; ++itSouthPole) |
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| 347 | { |
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| 348 | if (!(itSouthPole->second.empty())) |
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| 349 | itSouthPole->second.swap(interpMapValue[itSouthPole->first]); |
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| 350 | } |
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| 351 | } |
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| 352 | |
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[709] | 353 | exchangeRemapInfo(interpMapValue); |
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| 354 | |
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| 355 | delete [] globalSrc; |
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[846] | 356 | delete [] globalSrcUnmasked; |
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[709] | 357 | delete [] globalDst; |
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[846] | 358 | delete [] globalDstUnmasked; |
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| 359 | |
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[688] | 360 | } |
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| 361 | |
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[743] | 362 | void CDomainAlgorithmInterpolate::processPole(std::map<int,std::vector<std::pair<int,double> > >& interMapValuePole, |
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| 363 | int nbGlobalPointOnPole) |
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| 364 | { |
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| 365 | CContext* context = CContext::getCurrent(); |
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| 366 | CContextClient* client=context->client; |
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| 367 | |
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| 368 | MPI_Comm poleComme(MPI_COMM_NULL); |
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| 369 | MPI_Comm_split(client->intraComm, interMapValuePole.empty() ? MPI_UNDEFINED : 1, 0, &poleComme); |
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| 370 | if (MPI_COMM_NULL != poleComme) |
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| 371 | { |
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| 372 | int nbClientPole; |
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| 373 | MPI_Comm_size(poleComme, &nbClientPole); |
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| 374 | |
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| 375 | std::map<int,std::vector<std::pair<int,double> > >::iterator itePole = interMapValuePole.end(), itPole, |
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| 376 | itbPole = interMapValuePole.begin(); |
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| 377 | |
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| 378 | int nbWeight = 0; |
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| 379 | for (itPole = itbPole; itPole != itePole; ++itPole) |
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| 380 | nbWeight += itPole->second.size(); |
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| 381 | |
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| 382 | std::vector<int> recvCount(nbClientPole,0); |
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| 383 | std::vector<int> displ(nbClientPole,0); |
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| 384 | MPI_Allgather(&nbWeight,1,MPI_INT,&recvCount[0],1,MPI_INT,poleComme) ; |
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| 385 | |
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| 386 | displ[0]=0; |
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| 387 | for(int n=1;n<nbClientPole;++n) displ[n]=displ[n-1]+recvCount[n-1] ; |
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| 388 | int recvSize=displ[nbClientPole-1]+recvCount[nbClientPole-1] ; |
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| 389 | |
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| 390 | std::vector<int> sendSourceIndexBuff(nbWeight); |
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| 391 | std::vector<double> sendSourceWeightBuff(nbWeight); |
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| 392 | int k = 0; |
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| 393 | for (itPole = itbPole; itPole != itePole; ++itPole) |
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| 394 | { |
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| 395 | for (int idx = 0; idx < itPole->second.size(); ++idx) |
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| 396 | { |
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| 397 | sendSourceIndexBuff[k] = (itPole->second)[idx].first; |
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| 398 | sendSourceWeightBuff[k] = (itPole->second)[idx].second; |
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| 399 | ++k; |
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| 400 | } |
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| 401 | } |
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| 402 | |
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| 403 | std::vector<int> recvSourceIndexBuff(recvSize); |
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| 404 | std::vector<double> recvSourceWeightBuff(recvSize); |
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| 405 | |
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| 406 | // Gather all index and weight for pole |
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| 407 | MPI_Allgatherv(&sendSourceIndexBuff[0],nbWeight,MPI_INT,&recvSourceIndexBuff[0],&recvCount[0],&displ[0],MPI_INT,poleComme); |
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| 408 | MPI_Allgatherv(&sendSourceWeightBuff[0],nbWeight,MPI_DOUBLE,&recvSourceWeightBuff[0],&recvCount[0],&displ[0],MPI_DOUBLE,poleComme); |
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| 409 | |
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| 410 | std::map<int,double> recvTemp; |
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| 411 | for (int idx = 0; idx < recvSize; ++idx) |
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| 412 | { |
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| 413 | if (recvTemp.end() != recvTemp.find(recvSourceIndexBuff[idx])) |
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| 414 | recvTemp[recvSourceIndexBuff[idx]] += recvSourceWeightBuff[idx]/nbGlobalPointOnPole; |
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| 415 | else |
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| 416 | recvTemp[recvSourceIndexBuff[idx]] = 0.0; |
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| 417 | } |
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| 418 | |
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| 419 | std::map<int,double>::const_iterator itRecvTemp, itbRecvTemp = recvTemp.begin(), iteRecvTemp = recvTemp.end(); |
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| 420 | |
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| 421 | for (itPole = itbPole; itPole != itePole; ++itPole) |
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| 422 | { |
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| 423 | itPole->second.clear(); |
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| 424 | for (itRecvTemp = itbRecvTemp; itRecvTemp != iteRecvTemp; ++itRecvTemp) |
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| 425 | itPole->second.push_back(make_pair(itRecvTemp->first, itRecvTemp->second)); |
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| 426 | } |
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| 427 | } |
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| 428 | |
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| 429 | } |
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| 430 | |
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[689] | 431 | /*! |
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| 432 | Compute the index mapping between domain on grid source and one on grid destination |
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| 433 | */ |
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[827] | 434 | void CDomainAlgorithmInterpolate::computeIndexSourceMapping_(const std::vector<CArray<double,1>* >& dataAuxInputs) |
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[688] | 435 | { |
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[689] | 436 | if (!interpDomain_->file.isEmpty()) |
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| 437 | readRemapInfo(); |
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| 438 | else |
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| 439 | computeRemap(); |
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[688] | 440 | } |
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| 441 | |
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[689] | 442 | void CDomainAlgorithmInterpolate::readRemapInfo() |
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[657] | 443 | { |
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| 444 | CContext* context = CContext::getCurrent(); |
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| 445 | CContextClient* client=context->client; |
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| 446 | int clientRank = client->clientRank; |
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| 447 | |
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| 448 | std::string filename = interpDomain_->file.getValue(); |
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| 449 | std::map<int,std::vector<std::pair<int,double> > > interpMapValue; |
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[660] | 450 | readInterpolationInfo(filename, interpMapValue); |
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[657] | 451 | |
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[709] | 452 | exchangeRemapInfo(interpMapValue); |
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| 453 | } |
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| 454 | |
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| 455 | |
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| 456 | /*! |
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| 457 | Read remap information from file then distribute it among clients |
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| 458 | */ |
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[856] | 459 | void CDomainAlgorithmInterpolate::exchangeRemapInfo(std::map<int,std::vector<std::pair<int,double> > >& interpMapValue) |
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[709] | 460 | { |
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| 461 | CContext* context = CContext::getCurrent(); |
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| 462 | CContextClient* client=context->client; |
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| 463 | int clientRank = client->clientRank; |
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| 464 | |
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[827] | 465 | this->transformationMapping_.resize(1); |
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| 466 | this->transformationWeight_.resize(1); |
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| 467 | |
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[833] | 468 | TransformationIndexMap& transMap = this->transformationMapping_[0]; |
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| 469 | TransformationWeightMap& transWeight = this->transformationWeight_[0]; |
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[827] | 470 | |
---|
[657] | 471 | boost::unordered_map<size_t,int> globalIndexOfDomainDest; |
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| 472 | int ni = domainDest_->ni.getValue(); |
---|
| 473 | int nj = domainDest_->nj.getValue(); |
---|
| 474 | int ni_glo = domainDest_->ni_glo.getValue(); |
---|
| 475 | size_t globalIndex; |
---|
| 476 | int nIndexSize = domainDest_->i_index.numElements(), i_ind, j_ind; |
---|
| 477 | for (int idx = 0; idx < nIndexSize; ++idx) |
---|
| 478 | { |
---|
| 479 | i_ind=domainDest_->i_index(idx) ; |
---|
| 480 | j_ind=domainDest_->j_index(idx) ; |
---|
| 481 | |
---|
| 482 | globalIndex = i_ind + j_ind * ni_glo; |
---|
| 483 | globalIndexOfDomainDest[globalIndex] = clientRank; |
---|
| 484 | } |
---|
| 485 | |
---|
| 486 | CClientServerMappingDistributed domainIndexClientClientMapping(globalIndexOfDomainDest, |
---|
| 487 | client->intraComm, |
---|
| 488 | true); |
---|
| 489 | CArray<size_t,1> globalIndexInterp(interpMapValue.size()); |
---|
| 490 | std::map<int,std::vector<std::pair<int,double> > >::const_iterator itb = interpMapValue.begin(), it, |
---|
| 491 | ite = interpMapValue.end(); |
---|
| 492 | size_t globalIndexCount = 0; |
---|
| 493 | for (it = itb; it != ite; ++it) |
---|
| 494 | { |
---|
| 495 | globalIndexInterp(globalIndexCount) = it->first; |
---|
| 496 | ++globalIndexCount; |
---|
| 497 | } |
---|
| 498 | |
---|
| 499 | domainIndexClientClientMapping.computeServerIndexMapping(globalIndexInterp); |
---|
[829] | 500 | const CClientServerMapping::GlobalIndexMap& globalIndexInterpSendToClient = domainIndexClientClientMapping.getGlobalIndexOnServer(); |
---|
[657] | 501 | |
---|
| 502 | //Inform each client number of index they will receive |
---|
| 503 | int nbClient = client->clientSize; |
---|
| 504 | int* sendBuff = new int[nbClient]; |
---|
| 505 | int* recvBuff = new int[nbClient]; |
---|
[709] | 506 | for (int i = 0; i < nbClient; ++i) |
---|
| 507 | { |
---|
| 508 | sendBuff[i] = 0; |
---|
| 509 | recvBuff[i] = 0; |
---|
| 510 | } |
---|
[657] | 511 | int sendBuffSize = 0; |
---|
[829] | 512 | CClientServerMapping::GlobalIndexMap::const_iterator itbMap = globalIndexInterpSendToClient.begin(), itMap, |
---|
| 513 | iteMap = globalIndexInterpSendToClient.end(); |
---|
[657] | 514 | for (itMap = itbMap; itMap != iteMap; ++itMap) |
---|
| 515 | { |
---|
[709] | 516 | const std::vector<size_t>& tmp = itMap->second; |
---|
[657] | 517 | int sizeIndex = 0, mapSize = (itMap->second).size(); |
---|
| 518 | for (int idx = 0; idx < mapSize; ++idx) |
---|
| 519 | { |
---|
[856] | 520 | // sizeIndex += interpMapValue.at((itMap->second)[idx]).size(); |
---|
| 521 | sizeIndex += (interpMapValue[(int)(itMap->second)[idx]]).size(); |
---|
[657] | 522 | } |
---|
| 523 | sendBuff[itMap->first] = sizeIndex; |
---|
| 524 | sendBuffSize += sizeIndex; |
---|
| 525 | } |
---|
| 526 | |
---|
[709] | 527 | |
---|
[657] | 528 | MPI_Allreduce(sendBuff, recvBuff, nbClient, MPI_INT, MPI_SUM, client->intraComm); |
---|
| 529 | |
---|
| 530 | int* sendIndexDestBuff = new int [sendBuffSize]; |
---|
| 531 | int* sendIndexSrcBuff = new int [sendBuffSize]; |
---|
| 532 | double* sendWeightBuff = new double [sendBuffSize]; |
---|
| 533 | |
---|
| 534 | std::vector<MPI_Request> sendRequest; |
---|
[709] | 535 | |
---|
| 536 | int sendOffSet = 0, l = 0; |
---|
[657] | 537 | for (itMap = itbMap; itMap != iteMap; ++itMap) |
---|
| 538 | { |
---|
[709] | 539 | const std::vector<size_t>& indexToSend = itMap->second; |
---|
| 540 | int mapSize = indexToSend.size(); |
---|
[657] | 541 | int k = 0; |
---|
| 542 | for (int idx = 0; idx < mapSize; ++idx) |
---|
| 543 | { |
---|
[856] | 544 | std::vector<std::pair<int,double> >& interpMap = interpMapValue[(int)indexToSend[idx]]; //interpMapValue.at(indexToSend[idx]); |
---|
[657] | 545 | for (int i = 0; i < interpMap.size(); ++i) |
---|
| 546 | { |
---|
[709] | 547 | sendIndexDestBuff[l] = indexToSend[idx]; |
---|
| 548 | sendIndexSrcBuff[l] = interpMap[i].first; |
---|
| 549 | sendWeightBuff[l] = interpMap[i].second; |
---|
[657] | 550 | ++k; |
---|
[709] | 551 | ++l; |
---|
[657] | 552 | } |
---|
| 553 | } |
---|
| 554 | |
---|
| 555 | sendRequest.push_back(MPI_Request()); |
---|
| 556 | MPI_Isend(sendIndexDestBuff + sendOffSet, |
---|
| 557 | k, |
---|
| 558 | MPI_INT, |
---|
| 559 | itMap->first, |
---|
[821] | 560 | MPI_DOMAIN_INTERPOLATION_DEST_INDEX, |
---|
[657] | 561 | client->intraComm, |
---|
| 562 | &sendRequest.back()); |
---|
| 563 | sendRequest.push_back(MPI_Request()); |
---|
| 564 | MPI_Isend(sendIndexSrcBuff + sendOffSet, |
---|
| 565 | k, |
---|
| 566 | MPI_INT, |
---|
| 567 | itMap->first, |
---|
[821] | 568 | MPI_DOMAIN_INTERPOLATION_SRC_INDEX, |
---|
[657] | 569 | client->intraComm, |
---|
| 570 | &sendRequest.back()); |
---|
| 571 | sendRequest.push_back(MPI_Request()); |
---|
| 572 | MPI_Isend(sendWeightBuff + sendOffSet, |
---|
| 573 | k, |
---|
| 574 | MPI_DOUBLE, |
---|
| 575 | itMap->first, |
---|
[821] | 576 | MPI_DOMAIN_INTERPOLATION_WEIGHT, |
---|
[657] | 577 | client->intraComm, |
---|
| 578 | &sendRequest.back()); |
---|
| 579 | sendOffSet += k; |
---|
| 580 | } |
---|
| 581 | |
---|
| 582 | int recvBuffSize = recvBuff[clientRank]; |
---|
| 583 | int* recvIndexDestBuff = new int [recvBuffSize]; |
---|
| 584 | int* recvIndexSrcBuff = new int [recvBuffSize]; |
---|
| 585 | double* recvWeightBuff = new double [recvBuffSize]; |
---|
| 586 | int receivedSize = 0; |
---|
| 587 | int clientSrcRank; |
---|
| 588 | while (receivedSize < recvBuffSize) |
---|
| 589 | { |
---|
| 590 | MPI_Status recvStatus; |
---|
| 591 | MPI_Recv((recvIndexDestBuff + receivedSize), |
---|
| 592 | recvBuffSize, |
---|
| 593 | MPI_INT, |
---|
| 594 | MPI_ANY_SOURCE, |
---|
[821] | 595 | MPI_DOMAIN_INTERPOLATION_DEST_INDEX, |
---|
[657] | 596 | client->intraComm, |
---|
| 597 | &recvStatus); |
---|
| 598 | |
---|
| 599 | int countBuff = 0; |
---|
| 600 | MPI_Get_count(&recvStatus, MPI_INT, &countBuff); |
---|
| 601 | clientSrcRank = recvStatus.MPI_SOURCE; |
---|
| 602 | |
---|
| 603 | MPI_Recv((recvIndexSrcBuff + receivedSize), |
---|
| 604 | recvBuffSize, |
---|
| 605 | MPI_INT, |
---|
| 606 | clientSrcRank, |
---|
[821] | 607 | MPI_DOMAIN_INTERPOLATION_SRC_INDEX, |
---|
[657] | 608 | client->intraComm, |
---|
| 609 | &recvStatus); |
---|
| 610 | |
---|
| 611 | MPI_Recv((recvWeightBuff + receivedSize), |
---|
| 612 | recvBuffSize, |
---|
| 613 | MPI_DOUBLE, |
---|
| 614 | clientSrcRank, |
---|
[821] | 615 | MPI_DOMAIN_INTERPOLATION_WEIGHT, |
---|
[657] | 616 | client->intraComm, |
---|
| 617 | &recvStatus); |
---|
| 618 | |
---|
| 619 | for (int idx = 0; idx < countBuff; ++idx) |
---|
| 620 | { |
---|
[827] | 621 | transMap[*(recvIndexDestBuff + receivedSize + idx)].push_back(*(recvIndexSrcBuff + receivedSize + idx)); |
---|
| 622 | transWeight[*(recvIndexDestBuff + receivedSize + idx)].push_back(*(recvWeightBuff + receivedSize + idx)); |
---|
[657] | 623 | } |
---|
| 624 | receivedSize += countBuff; |
---|
| 625 | } |
---|
| 626 | |
---|
| 627 | std::vector<MPI_Status> requestStatus(sendRequest.size()); |
---|
[709] | 628 | MPI_Waitall(sendRequest.size(), &sendRequest[0], MPI_STATUS_IGNORE); |
---|
[657] | 629 | |
---|
| 630 | delete [] sendIndexDestBuff; |
---|
| 631 | delete [] sendIndexSrcBuff; |
---|
| 632 | delete [] sendWeightBuff; |
---|
| 633 | delete [] recvIndexDestBuff; |
---|
| 634 | delete [] recvIndexSrcBuff; |
---|
| 635 | delete [] recvWeightBuff; |
---|
| 636 | delete [] sendBuff; |
---|
| 637 | delete [] recvBuff; |
---|
| 638 | } |
---|
| 639 | |
---|
| 640 | /*! |
---|
| 641 | Read interpolation information from a file |
---|
| 642 | \param [in] filename interpolation file |
---|
| 643 | \param [in/out] interpMapValue Mapping between (global) index of domain on grid destination and |
---|
| 644 | corresponding global index of domain and associated weight value on grid source |
---|
| 645 | */ |
---|
[689] | 646 | void CDomainAlgorithmInterpolate::readInterpolationInfo(std::string& filename, |
---|
[709] | 647 | std::map<int,std::vector<std::pair<int,double> > >& interpMapValue) |
---|
[657] | 648 | { |
---|
[660] | 649 | int ncid ; |
---|
| 650 | int weightDimId ; |
---|
| 651 | size_t nbWeightGlo ; |
---|
[657] | 652 | |
---|
[660] | 653 | CContext* context = CContext::getCurrent(); |
---|
| 654 | CContextClient* client=context->client; |
---|
| 655 | int clientRank = client->clientRank; |
---|
| 656 | int clientSize = client->clientSize; |
---|
[663] | 657 | |
---|
[660] | 658 | nc_open(filename.c_str(),NC_NOWRITE, &ncid) ; |
---|
| 659 | nc_inq_dimid(ncid,"n_weight",&weightDimId) ; |
---|
| 660 | nc_inq_dimlen(ncid,weightDimId,&nbWeightGlo) ; |
---|
| 661 | |
---|
| 662 | size_t nbWeight ; |
---|
| 663 | size_t start ; |
---|
| 664 | size_t div = nbWeightGlo/clientSize ; |
---|
| 665 | size_t mod = nbWeightGlo%clientSize ; |
---|
| 666 | if (clientRank < mod) |
---|
| 667 | { |
---|
| 668 | nbWeight=div+1 ; |
---|
| 669 | start=clientRank*(div+1) ; |
---|
| 670 | } |
---|
| 671 | else |
---|
| 672 | { |
---|
| 673 | nbWeight=div ; |
---|
| 674 | start= mod * (div+1) + (clientRank-mod) * div ; |
---|
| 675 | } |
---|
| 676 | |
---|
| 677 | double* weight=new double[nbWeight] ; |
---|
| 678 | int weightId ; |
---|
| 679 | nc_inq_varid (ncid, "weight", &weightId) ; |
---|
| 680 | nc_get_vara_double(ncid, weightId, &start, &nbWeight, weight) ; |
---|
| 681 | |
---|
[663] | 682 | long* srcIndex=new long[nbWeight] ; |
---|
[660] | 683 | int srcIndexId ; |
---|
| 684 | nc_inq_varid (ncid, "src_idx", &srcIndexId) ; |
---|
| 685 | nc_get_vara_long(ncid, srcIndexId, &start, &nbWeight, srcIndex) ; |
---|
| 686 | |
---|
[663] | 687 | long* dstIndex=new long[nbWeight] ; |
---|
[660] | 688 | int dstIndexId ; |
---|
| 689 | nc_inq_varid (ncid, "dst_idx", &dstIndexId) ; |
---|
| 690 | nc_get_vara_long(ncid, dstIndexId, &start, &nbWeight, dstIndex) ; |
---|
[663] | 691 | |
---|
[660] | 692 | for(size_t ind=0; ind<nbWeight;++ind) |
---|
[663] | 693 | interpMapValue[dstIndex[ind]-1].push_back(make_pair(srcIndex[ind]-1,weight[ind])); |
---|
[657] | 694 | } |
---|
| 695 | |
---|
| 696 | } |
---|