1 | /*! |
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2 | \file mesh.cpp |
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3 | \author Olga Abramkina |
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4 | \brief Definition of class CMesh. |
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5 | */ |
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6 | |
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7 | #include "mesh.hpp" |
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8 | |
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9 | namespace xios { |
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10 | |
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11 | /// ////////////////////// Définitions ////////////////////// /// |
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12 | |
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13 | CMesh::CMesh(void) : nbNodesGlo{0}, nbEdgesGlo{0} |
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14 | , node_start{0}, node_count{0} |
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15 | , edge_start{0}, edge_count{0} |
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16 | , nbFaces{0}, nbNodes{0}, nbEdges{0} |
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17 | , nodesAreWritten{false}, edgesAreWritten{false}, facesAreWritten{false} |
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18 | , node_lon(), node_lat() |
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19 | , edge_lon(), edge_lat(), edge_nodes() |
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20 | , face_lon(), face_lat() |
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21 | , face_nodes() |
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22 | , pNodeGlobalIndex{NULL}, pEdgeGlobalIndex{NULL} |
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23 | { |
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24 | } |
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25 | |
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26 | |
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27 | CMesh::~CMesh(void) |
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28 | { |
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29 | if (pNodeGlobalIndex != NULL) delete pNodeGlobalIndex; |
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30 | if (pEdgeGlobalIndex != NULL) delete pEdgeGlobalIndex; |
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31 | } |
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32 | |
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33 | std::map <StdString, CMesh> CMesh::meshList = std::map <StdString, CMesh>(); |
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34 | std::map <StdString, vector<int> > CMesh::domainList = std::map <StdString, vector<int> >(); |
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35 | |
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36 | ///--------------------------------------------------------------- |
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37 | /*! |
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38 | * \fn bool CMesh::getMesh (StdString meshName) |
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39 | * Returns a pointer to a mesh. If a mesh has not been created, creates it and adds its name to the list of meshes meshList. |
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40 | * \param [in] meshName The name of a mesh ("name" attribute of a domain). |
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41 | * \param [in] nvertex Number of verteces (1 for nodes, 2 for edges, 3 and up for faces). |
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42 | */ |
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43 | CMesh* CMesh::getMesh (StdString meshName, int nvertex) |
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44 | { |
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45 | CMesh::domainList[meshName].push_back(nvertex); |
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46 | |
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47 | if ( CMesh::meshList.begin() != CMesh::meshList.end() ) |
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48 | { |
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49 | for (std::map<StdString, CMesh>::iterator it=CMesh::meshList.begin(); it!=CMesh::meshList.end(); ++it) |
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50 | { |
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51 | if (it->first == meshName) |
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52 | return &meshList[meshName]; |
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53 | else |
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54 | { |
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55 | CMesh newMesh; |
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56 | CMesh::meshList.insert( make_pair(meshName, newMesh) ); |
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57 | return &meshList[meshName]; |
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58 | } |
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59 | } |
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60 | } |
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61 | else |
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62 | { |
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63 | CMesh newMesh; |
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64 | CMesh::meshList.insert( make_pair(meshName, newMesh) ); |
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65 | return &meshList[meshName]; |
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66 | } |
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67 | } |
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68 | |
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69 | ///---------------------------------------------------------------- |
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70 | size_t hashPair(size_t first, size_t second) |
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71 | { |
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72 | HashXIOS<size_t> sizetHash; |
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73 | size_t seed = sizetHash(first) + 0x9e3779b9 ; |
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74 | seed ^= sizetHash(second) + 0x9e3779b9 + (seed << 6) + (seed >> 2); |
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75 | return seed ; |
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76 | } |
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77 | |
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78 | ///---------------------------------------------------------------- |
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79 | size_t hashPairOrdered(size_t first, size_t second) |
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80 | { |
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81 | size_t seed; |
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82 | HashXIOS<size_t> sizetHash; |
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83 | if (first < second) |
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84 | { |
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85 | seed = sizetHash(first) + 0x9e3779b9 ; |
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86 | seed ^= sizetHash(second) + 0x9e3779b9 + (seed << 6) + (seed >> 2); |
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87 | } |
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88 | else |
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89 | { |
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90 | seed = sizetHash(second) + 0x9e3779b9 ; |
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91 | seed ^= sizetHash(first) + 0x9e3779b9 + (seed << 6) + (seed >> 2); |
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92 | } |
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93 | return seed ; |
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94 | } |
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95 | |
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96 | ///---------------------------------------------------------------- |
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97 | /*! |
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98 | * \fn size_t generateEdgeIndex(size_t first, size_t second, int rank) |
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99 | * Generates an edge index. |
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100 | * If the same edge is generated by two processes, each process will have its own edge index. |
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101 | * \param [in] first Edge node. |
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102 | * \param [in] second Edge node. |
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103 | * \param [in] rank MPI process rank. |
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104 | */ |
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105 | size_t generateEdgeIndex(size_t first, size_t second, int rank) |
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106 | { |
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107 | size_t seed = rank ; |
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108 | if (first < second) |
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109 | { |
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110 | seed = hashPair(seed, first); |
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111 | seed = hashPair(seed, second); |
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112 | } |
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113 | else |
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114 | { |
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115 | seed = hashPair(seed, second); |
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116 | seed = hashPair(seed, first); |
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117 | } |
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118 | |
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119 | return seed ; |
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120 | } |
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121 | |
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122 | ///---------------------------------------------------------------- |
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123 | /*! |
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124 | * \fn size_t generateNodeIndex(vector<size_t>& valList, int rank) |
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125 | * Generates a node index. |
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126 | * If the same node is generated by two processes, each process will have its own node index. |
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127 | * \param [in] valList Vector storing four node hashes. |
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128 | * \param [in] rank MPI process rank. |
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129 | */ |
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130 | size_t generateNodeIndex(vector<size_t>& valList, int rank) |
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131 | { |
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132 | // Sort is needed to avoid problems for nodes with lon = 0 generated by faces in east and west semisphere |
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133 | vector<size_t> vec = valList; |
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134 | sort (vec.begin(), vec.end()); |
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135 | size_t seed = rank ; |
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136 | int it = 0; |
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137 | for(; it != vec.size(); ++it) |
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138 | { |
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139 | seed = hashPair(seed, vec[it]); |
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140 | } |
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141 | return seed ; |
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142 | } |
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143 | |
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144 | ///---------------------------------------------------------------- |
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145 | /*! |
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146 | * \fn size_t CMesh::nodeIndex (double lon, double lat) |
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147 | * Returns its index if a node exists; otherwise adds the node and returns -1. |
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148 | * Precision check is implemented with two hash values for each dimension, longitude and latitude. |
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149 | * \param [in] lon Node longitude in degrees. |
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150 | * \param [in] lat Node latitude in degrees ranged from 0 to 360. |
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151 | * \return node index if a node exists; -1 otherwise |
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152 | */ |
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153 | size_t CMesh::nodeIndex (double lon, double lat) |
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154 | { |
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155 | double minBoundLon = 0. ; |
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156 | double maxBoundLon = 360. ; |
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157 | double minBoundLat = -90 ; |
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158 | double maxBoundLat = 90 ; |
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159 | double prec=1e-11 ; |
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160 | double precLon=prec ; |
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161 | double precLat=prec ; |
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162 | |
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163 | size_t maxsize_t=numeric_limits<size_t>::max() ; |
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164 | if ( (maxBoundLon-minBoundLon)/maxsize_t > precLon) precLon=(maxBoundLon-minBoundLon)/maxsize_t ; |
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165 | if ( (maxBoundLat-minBoundLat)/maxsize_t > precLat) precLat=(maxBoundLat-minBoundLat)/maxsize_t ; |
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166 | |
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167 | size_t iMinLon=0 ; |
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168 | size_t iMaxLon=(maxBoundLon-minBoundLon)/precLon ; |
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169 | size_t iMinLat=0 ; |
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170 | size_t iMaxLat=(maxBoundLat-minBoundLat)/precLat ; |
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171 | |
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172 | size_t hash0,hash1,hash2,hash3 ; |
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173 | size_t lon0,lon1,lat0,lat1 ; |
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174 | |
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175 | lon0=(lon-minBoundLon)/precLon ; |
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176 | if ( ((lon0+1)*precLon + lon0*precLon)/2 > lon-minBoundLon) |
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177 | { |
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178 | if (lon0==iMinLon) lon1=iMaxLon ; |
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179 | else lon1=lon0-1 ; |
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180 | } |
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181 | else |
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182 | { |
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183 | if (lon0==iMaxLon) lon1=iMinLon ; |
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184 | else lon1=lon0+1 ; |
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185 | } |
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186 | |
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187 | lat0=(lat-minBoundLat)/precLat ; |
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188 | if ( ((lat0+1)*precLat + lat0*precLat)/2 > lat-minBoundLat) |
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189 | { |
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190 | if (lat0==iMinLat) lat1=lat0 ; |
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191 | else lat1=lat0-1 ; |
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192 | } |
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193 | else |
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194 | { |
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195 | if (lat0==iMaxLat) lat1=lat0 ; |
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196 | else lat1=lat0+1 ; |
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197 | } |
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198 | |
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199 | hash0=hashPair(lon0,lat0) ; |
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200 | hash1=hashPair(lon0,lat1) ; |
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201 | hash2=hashPair(lon1,lat0) ; |
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202 | hash3=hashPair(lon1,lat1) ; |
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203 | |
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204 | boost::unordered_map<size_t, size_t>::iterator end = hashed_map_nodes.end() ; |
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205 | size_t mapSize = hashed_map_nodes.size(); |
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206 | if (hashed_map_nodes.find(hash0)==end && hashed_map_nodes.find(hash1)==end && hashed_map_nodes.find(hash2)==end && hashed_map_nodes.find(hash3)==end) |
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207 | { |
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208 | hashed_map_nodes[hash0] = mapSize ; |
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209 | hashed_map_nodes[hash1] = mapSize + 1; |
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210 | hashed_map_nodes[hash2] = mapSize + 2; |
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211 | hashed_map_nodes[hash3] = mapSize + 3; |
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212 | return -1; |
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213 | } |
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214 | else |
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215 | return ( (hashed_map_nodes[hash0]+1) / 4 ); |
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216 | |
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217 | } // nodeIndex() |
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218 | |
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219 | ///---------------------------------------------------------------- |
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220 | /*! |
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221 | * \fn CArray<size_t,1>& CMesh::createHashes (const double longitude, const double latitude) |
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222 | * Creates two hash values for each dimension, longitude and latitude. |
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223 | * \param [in] longitude Node longitude in degrees. |
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224 | * \param [in] latitude Node latitude in degrees ranged from 0 to 360. |
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225 | */ |
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226 | |
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227 | vector<size_t> CMesh::createHashes (const double longitude, const double latitude) |
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228 | { |
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229 | double minBoundLon = 0. ; |
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230 | double maxBoundLon = 360. ; |
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231 | double minBoundLat = -90. ; |
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232 | double maxBoundLat = 90. ; |
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233 | double prec=1e-11 ; |
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234 | double precLon=prec ; |
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235 | double precLat=prec ; |
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236 | double lon = longitude; |
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237 | double lat = latitude; |
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238 | |
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239 | if (lon > (360.- prec)) lon = 0.; |
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240 | |
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241 | size_t maxsize_t=numeric_limits<size_t>::max() ; |
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242 | if ( (maxBoundLon-minBoundLon)/maxsize_t > precLon) precLon=(maxBoundLon-minBoundLon)/maxsize_t ; |
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243 | if ( (maxBoundLat-minBoundLat)/maxsize_t > precLat) precLat=(maxBoundLat-minBoundLat)/maxsize_t ; |
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244 | |
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245 | size_t iMinLon=0 ; |
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246 | size_t iMaxLon=(maxBoundLon-minBoundLon)/precLon ; |
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247 | size_t iMinLat=0 ; |
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248 | size_t iMaxLat=(maxBoundLat-minBoundLat)/precLat ; |
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249 | |
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250 | vector<size_t> hash(4); |
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251 | size_t lon0,lon1,lat0,lat1 ; |
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252 | |
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253 | lon0=(lon-minBoundLon)/precLon ; |
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254 | if ( ((lon0+1)*precLon + lon0*precLon)/2 > lon-minBoundLon) |
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255 | { |
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256 | if (lon0==iMinLon) lon1=iMaxLon ; |
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257 | else lon1=lon0-1 ; |
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258 | } |
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259 | else |
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260 | { |
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261 | if (lon0==iMaxLon) lon1=iMinLon ; |
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262 | else lon1=lon0+1 ; |
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263 | } |
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264 | |
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265 | lat0=(lat-minBoundLat)/precLat ; |
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266 | if ( ((lat0+1)*precLat + lat0*precLat)/2 > lat-minBoundLat) |
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267 | { |
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268 | if (lat0==iMinLat) lat1=lat0 ; |
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269 | else lat1=lat0-1 ; |
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270 | } |
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271 | else |
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272 | { |
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273 | if (lat0==iMaxLat) lat1=lat0 ; |
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274 | else lat1=lat0+1 ; |
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275 | } |
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276 | |
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277 | hash[0] = hashPair(lon0,lat0) ; |
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278 | hash[1] = hashPair(lon0,lat1) ; |
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279 | hash[2] = hashPair(lon1,lat0) ; |
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280 | hash[3] = hashPair(lon1,lat1) ; |
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281 | |
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282 | return hash; |
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283 | |
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284 | } // createHashes |
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285 | |
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286 | ///---------------------------------------------------------------- |
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287 | std::pair<int,int> make_ordered_pair(int a, int b) |
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288 | { |
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289 | if ( a < b ) |
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290 | return std::pair<int,int>(a,b); |
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291 | else |
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292 | return std::pair<int,int>(b,a); |
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293 | } |
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294 | |
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295 | ///---------------------------------------------------------------- |
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296 | /*! |
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297 | * \fn void CMesh::createMesh(const CArray<double, 1>& lonvalue, const CArray<double, 1>& latvalue, |
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298 | const CArray<double, 2>& bounds_lon, const CArray<double, 2>& bounds_lat) |
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299 | * Creates or updates a mesh for the three types of mesh elements: nodes, edges, and faces. |
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300 | * \param [in] lonvalue Array of longitudes. |
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301 | * \param [in] latvalue Array of latitudes. |
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302 | * \param [in] bounds_lon Array of boundary longitudes. Its size depends on the element type. |
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303 | * \param [in] bounds_lat Array of boundary latitudes. Its size depends on the element type. |
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304 | */ |
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305 | void CMesh::createMesh(const CArray<double, 1>& lonvalue, const CArray<double, 1>& latvalue, |
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306 | const CArray<double, 2>& bounds_lon, const CArray<double, 2>& bounds_lat) |
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307 | { |
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308 | int nvertex = (bounds_lon.numElements() == 0) ? 1 : bounds_lon.rows(); |
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309 | |
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310 | if (nvertex == 1) |
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311 | { |
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312 | nbNodes = lonvalue.numElements(); |
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313 | node_lon.resizeAndPreserve(nbNodes); |
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314 | node_lat.resizeAndPreserve(nbNodes); |
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315 | for (int nn = 0; nn < nbNodes; ++nn) |
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316 | { |
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317 | if (map_nodes.find(make_pair (lonvalue(nn), latvalue(nn))) == map_nodes.end()) |
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318 | { |
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319 | map_nodes[make_pair (lonvalue(nn), latvalue(nn))] = nn ; |
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320 | node_lon(nn) = lonvalue(nn); |
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321 | node_lat(nn) = latvalue(nn); |
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322 | } |
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323 | } |
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324 | } |
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325 | else if (nvertex == 2) |
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326 | { |
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327 | nbEdges = bounds_lon.shape()[1]; |
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328 | |
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329 | // Create nodes and edge_node connectivity |
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330 | node_lon.resizeAndPreserve(nbEdges*nvertex); // Max possible number of nodes |
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331 | node_lat.resizeAndPreserve(nbEdges*nvertex); |
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332 | edge_nodes.resizeAndPreserve(nvertex, nbEdges); |
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333 | |
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334 | for (int ne = 0; ne < nbEdges; ++ne) |
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335 | { |
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336 | for (int nv = 0; nv < nvertex; ++nv) |
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337 | { |
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338 | if (map_nodes.find(make_pair (bounds_lon(nv, ne), bounds_lat(nv ,ne))) == map_nodes.end()) |
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339 | { |
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340 | map_nodes[make_pair (bounds_lon(nv, ne), bounds_lat(nv, ne))] = nbNodes ; |
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341 | edge_nodes(nv,ne) = nbNodes ; |
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342 | node_lon(nbNodes) = bounds_lon(nv, ne); |
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343 | node_lat(nbNodes) = bounds_lat(nv, ne); |
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344 | ++nbNodes ; |
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345 | } |
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346 | else |
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347 | edge_nodes(nv,ne) = map_nodes[make_pair (bounds_lon(nv, ne), bounds_lat(nv ,ne))]; |
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348 | } |
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349 | } |
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350 | node_lon.resizeAndPreserve(nbNodes); |
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351 | node_lat.resizeAndPreserve(nbNodes); |
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352 | |
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353 | // Create edges |
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354 | edge_lon.resizeAndPreserve(nbEdges); |
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355 | edge_lat.resizeAndPreserve(nbEdges); |
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356 | |
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357 | for (int ne = 0; ne < nbEdges; ++ne) |
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358 | { |
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359 | if (map_edges.find(make_ordered_pair (edge_nodes(0,ne), edge_nodes(1,ne))) == map_edges.end()) |
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360 | { |
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361 | map_edges[make_ordered_pair ( edge_nodes(0,ne), edge_nodes(1,ne) )] = ne ; |
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362 | edge_lon(ne) = lonvalue(ne); |
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363 | edge_lat(ne) = latvalue(ne); |
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364 | } |
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365 | |
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366 | } |
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367 | edgesAreWritten = true; |
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368 | } |
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369 | else |
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370 | { |
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371 | nbFaces = bounds_lon.shape()[1]; |
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372 | |
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373 | // Create nodes and face_node connectivity |
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374 | node_lon.resizeAndPreserve(nbFaces*nvertex); // Max possible number of nodes |
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375 | node_lat.resizeAndPreserve(nbFaces*nvertex); |
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376 | face_nodes.resize(nvertex, nbFaces); |
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377 | |
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378 | for (int nf = 0; nf < nbFaces; ++nf) |
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379 | { |
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380 | for (int nv = 0; nv < nvertex; ++nv) |
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381 | { |
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382 | if (map_nodes.find(make_pair (bounds_lon(nv, nf), bounds_lat(nv ,nf))) == map_nodes.end()) |
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383 | { |
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384 | map_nodes[make_pair (bounds_lon(nv, nf), bounds_lat(nv, nf))] = nbNodes ; |
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385 | face_nodes(nv,nf) = nbNodes ; |
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386 | node_lon(nbNodes) = bounds_lon(nv, nf); |
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387 | node_lat(nbNodes) = bounds_lat(nv ,nf); |
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388 | ++nbNodes ; |
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389 | } |
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390 | else |
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391 | { |
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392 | face_nodes(nv,nf) = map_nodes[make_pair (bounds_lon(nv, nf), bounds_lat(nv ,nf))]; |
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393 | } |
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394 | } |
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395 | } |
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396 | node_lon.resizeAndPreserve(nbNodes); |
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397 | node_lat.resizeAndPreserve(nbNodes); |
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398 | |
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399 | // Create edges and edge_nodes connectivity |
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400 | edge_lon.resizeAndPreserve(nbFaces*nvertex); // Max possible number of edges |
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401 | edge_lat.resizeAndPreserve(nbFaces*nvertex); |
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402 | edge_nodes.resizeAndPreserve(2, nbFaces*nvertex); |
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403 | edge_faces.resize(2, nbFaces*nvertex); |
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404 | face_edges.resize(nvertex, nbFaces); |
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405 | face_faces.resize(nvertex, nbFaces); |
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406 | |
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407 | vector<int> countEdges(nbFaces*nvertex); // needed in case if edges have been already generated |
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408 | vector<int> countFaces(nbFaces); |
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409 | countEdges.assign(nbFaces*nvertex, 0); |
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410 | countFaces.assign(nbFaces, 0); |
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411 | int edge; |
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412 | for (int nf = 0; nf < nbFaces; ++nf) |
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413 | { |
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414 | for (int nv1 = 0; nv1 < nvertex; ++nv1) |
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415 | { |
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416 | int nv = 0; |
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417 | int nv2 = (nv1 < nvertex -1 ) ? (nv1 + 1) : (nv1 + 1 - nvertex); // cyclic rotation |
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418 | if (map_edges.find(make_ordered_pair (face_nodes(nv1,nf), face_nodes(nv2,nf))) == map_edges.end()) |
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419 | { |
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420 | map_edges[make_ordered_pair (face_nodes(nv1,nf), face_nodes(nv2,nf))] = nbEdges ; |
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421 | face_edges(nv1,nf) = map_edges[make_ordered_pair (face_nodes(nv1,nf), face_nodes(nv2,nf))]; |
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422 | edge_faces(0,nbEdges) = nf; |
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423 | edge_faces(1,nbEdges) = -999; |
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424 | face_faces(nv1,nf) = -1; |
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425 | edge_nodes(Range::all(),nbEdges) = face_nodes(nv1,nf), face_nodes(nv2,nf); |
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426 | edge_lon(nbEdges) = ( abs( node_lon(face_nodes(nv1,nf)) - node_lon(face_nodes(nv2,nf))) < 180.) ? |
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427 | (( node_lon(face_nodes(nv1,nf)) + node_lon(face_nodes(nv2,nf))) * 0.5) : |
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428 | (( node_lon(face_nodes(nv1,nf)) + node_lon(face_nodes(nv2,nf))) * 0.5 -180.); |
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429 | edge_lat(nbEdges) = ( node_lat(face_nodes(nv1,nf)) + node_lat(face_nodes(nv2,nf)) ) * 0.5; |
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430 | ++nbEdges; |
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431 | } |
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432 | else |
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433 | { |
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434 | edge = map_edges[make_ordered_pair (face_nodes(nv1,nf), face_nodes(nv2,nf))]; |
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435 | face_edges(nv1,nf) = edge; |
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436 | if (edgesAreWritten) |
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437 | { |
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438 | edge_faces(countEdges[edge], edge) = nf; |
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439 | if (countEdges[edge]==0) |
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440 | { |
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441 | face_faces(nv1,nf) = -1; |
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442 | } |
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443 | else |
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444 | { |
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445 | int face1 = nf; // = edge_faces(1,edge) |
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446 | int face2 = edge_faces(0,edge); |
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447 | face_faces(countFaces[face1], face1) = face2; |
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448 | face_faces(countFaces[face2], face2) = face1; |
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449 | ++(countFaces[face1]); |
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450 | ++(countFaces[face2]); |
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451 | } |
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452 | } |
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453 | else |
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454 | { |
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455 | edge_faces(1,edge) = nf; |
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456 | int face1 = nf; // = edge_faces(1,edge) |
---|
457 | int face2 = edge_faces(0,edge); |
---|
458 | face_faces(countFaces[face1], face1) = face2; |
---|
459 | face_faces(countFaces[face2], face2) = face1; |
---|
460 | ++(countFaces[face1]); |
---|
461 | ++(countFaces[face2]); |
---|
462 | } |
---|
463 | ++(countEdges[edge]); |
---|
464 | } |
---|
465 | } |
---|
466 | } |
---|
467 | edge_nodes.resizeAndPreserve(2, nbEdges); |
---|
468 | edge_faces.resizeAndPreserve(2, nbEdges); |
---|
469 | edge_lon.resizeAndPreserve(nbEdges); |
---|
470 | edge_lat.resizeAndPreserve(nbEdges); |
---|
471 | |
---|
472 | // Create faces |
---|
473 | face_lon.resize(nbFaces); |
---|
474 | face_lat.resize(nbFaces); |
---|
475 | face_lon = lonvalue; |
---|
476 | face_lat = latvalue; |
---|
477 | facesAreWritten = true; |
---|
478 | |
---|
479 | } // nvertex > 2 |
---|
480 | |
---|
481 | } // createMesh() |
---|
482 | |
---|
483 | ///---------------------------------------------------------------- |
---|
484 | /*! |
---|
485 | * \fn void CMesh::createMeshEpsilon(const CArray<double, 1>& lonvalue, const CArray<double, 1>& latvalue, |
---|
486 | const CArray<double, 2>& bounds_lon, const CArray<double, 2>& bounds_lat) |
---|
487 | * Creates or updates a mesh for the three types of mesh elements: nodes, edges, and faces. |
---|
488 | * Precision check is implemented with two hash values for each dimension, longitude and latitude. |
---|
489 | * \param [in] comm |
---|
490 | * \param [in] lonvalue Array of longitudes. |
---|
491 | * \param [in] latvalue Array of latitudes. |
---|
492 | * \param [in] bounds_lon Array of boundary longitudes. Its size depends on the element type. |
---|
493 | * \param [in] bounds_lat Array of boundary latitudes. Its size depends on the element type. |
---|
494 | */ |
---|
495 | void CMesh::createMeshEpsilon(const MPI_Comm& comm, |
---|
496 | const CArray<double, 1>& lonvalue, const CArray<double, 1>& latvalue, |
---|
497 | const CArray<double, 2>& bounds_lon, const CArray<double, 2>& bounds_lat) |
---|
498 | { |
---|
499 | |
---|
500 | int nvertex = (bounds_lon.numElements() == 0) ? 1 : bounds_lon.rows(); |
---|
501 | int mpiRank, mpiSize; |
---|
502 | MPI_Comm_rank(comm, &mpiRank); |
---|
503 | MPI_Comm_size(comm, &mpiSize); |
---|
504 | |
---|
505 | if (nvertex == 1) |
---|
506 | { |
---|
507 | nbNodes = lonvalue.numElements(); |
---|
508 | node_lon.resize(nbNodes); |
---|
509 | node_lat.resize(nbNodes); |
---|
510 | node_lon = lonvalue; |
---|
511 | node_lat = latvalue; |
---|
512 | |
---|
513 | // Global node indexes |
---|
514 | vector<size_t> hashValues(4); |
---|
515 | CClientClientDHTSizet::Index2VectorInfoTypeMap nodeHash2IdxGlo; |
---|
516 | for (size_t nn = 0; nn < nbNodes; ++nn) |
---|
517 | { |
---|
518 | hashValues = CMesh::createHashes(lonvalue(nn), latvalue(nn)); |
---|
519 | for (size_t nh = 0; nh < 4; ++nh) |
---|
520 | { |
---|
521 | nodeHash2IdxGlo[hashValues[nh]].push_back(mpiRank*nbNodes + nn); |
---|
522 | } |
---|
523 | } |
---|
524 | pNodeGlobalIndex = new CClientClientDHTSizet (nodeHash2IdxGlo, comm); |
---|
525 | nodesAreWritten = true; |
---|
526 | } |
---|
527 | |
---|
528 | else if (nvertex == 2) |
---|
529 | { |
---|
530 | nbEdges = bounds_lon.shape()[1]; |
---|
531 | edge_lon.resize(nbEdges); |
---|
532 | edge_lat.resize(nbEdges); |
---|
533 | edge_lon = lonvalue; |
---|
534 | edge_lat = latvalue; |
---|
535 | edge_nodes.resize(nvertex, nbEdges); |
---|
536 | CClientClientDHTSizet::Index2VectorInfoTypeMap edgeHash2IdxGlo; |
---|
537 | CClientClientDHTSizet::Index2VectorInfoTypeMap edgeHash2Idx; |
---|
538 | |
---|
539 | // Case (1): node indexes have been generated by domain "nodes" |
---|
540 | if (nodesAreWritten) |
---|
541 | { |
---|
542 | vector<size_t> hashValues(4); |
---|
543 | CArray<size_t,1> nodeHashList(nbEdges*nvertex*4); |
---|
544 | for (int ne = 0; ne < nbEdges; ++ne) // size_t doesn't work with CArray<double, 2> |
---|
545 | { |
---|
546 | for (int nv = 0; nv < nvertex; ++nv) |
---|
547 | { |
---|
548 | hashValues = CMesh::createHashes(bounds_lon(nv, ne), bounds_lat(nv, ne)); |
---|
549 | for (int nh = 0; nh < 4; ++nh) |
---|
550 | { |
---|
551 | nodeHashList((ne*nvertex + nv)*4 + nh) = hashValues[nh]; |
---|
552 | } |
---|
553 | } |
---|
554 | } |
---|
555 | |
---|
556 | // Recuperating the node global indexing and writing edge_nodes |
---|
557 | // Creating map edgeHash2IdxGlo <hash, idxGlo> |
---|
558 | pNodeGlobalIndex->computeIndexInfoMapping(nodeHashList); |
---|
559 | CClientClientDHTSizet::Index2VectorInfoTypeMap& nodeHash2IdxGlo = pNodeGlobalIndex->getInfoIndexMap(); |
---|
560 | CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator it; |
---|
561 | vector <size_t> edgeNodes; |
---|
562 | for (int ne = 0; ne < nbEdges; ++ne) |
---|
563 | { |
---|
564 | for (int nv = 0; nv < nvertex; ++nv) |
---|
565 | { |
---|
566 | int nh = 0; |
---|
567 | it = nodeHash2IdxGlo.find(nodeHashList((ne*nvertex + nv)*4 + nh)); |
---|
568 | // The loop below is needed in case if a hash generated by domain "edges" differs |
---|
569 | // from that generated by domain "nodes" because of possible precision issues |
---|
570 | while (it == nodeHash2IdxGlo.end()) |
---|
571 | { |
---|
572 | ++nh; |
---|
573 | it = nodeHash2IdxGlo.find(nodeHashList((ne*nvertex + nv)*4 + nh)); |
---|
574 | } |
---|
575 | edge_nodes(nv,ne) = it->second[0]; |
---|
576 | edgeNodes.push_back(it->second[0]); |
---|
577 | } |
---|
578 | edgeHash2IdxGlo[ hashPairOrdered(edgeNodes[0], edgeNodes[1]) ].push_back(nbEdges*mpiRank + ne); |
---|
579 | } |
---|
580 | } // nodesAreWritten |
---|
581 | |
---|
582 | // Case (2): node indexes have not been generated previously |
---|
583 | else |
---|
584 | { |
---|
585 | // (2.1) Creating a list of hashes for each node and a map nodeHash2Idx <hash, <idx,rank> > |
---|
586 | vector<size_t> hashValues(4); |
---|
587 | CClientClientDHTSizet::Index2VectorInfoTypeMap nodeHash2Idx; |
---|
588 | CArray<size_t,1> nodeHashList(nbEdges*nvertex*4); |
---|
589 | for (int ne = 0; ne < nbEdges; ++ne) |
---|
590 | { |
---|
591 | for (int nv = 0; nv < nvertex; ++nv) |
---|
592 | { |
---|
593 | hashValues = CMesh::createHashes(bounds_lon(nv, ne), bounds_lat(nv, ne)); |
---|
594 | for (int nh = 0; nh < 4; ++nh) |
---|
595 | { |
---|
596 | if (nodeHash2Idx[hashValues[nh]].size() == 0) |
---|
597 | { |
---|
598 | nodeHash2Idx[hashValues[nh]].push_back(generateNodeIndex(hashValues, mpiRank)); |
---|
599 | nodeHash2Idx[hashValues[nh]].push_back(mpiRank); |
---|
600 | } |
---|
601 | nodeHashList((ne*nvertex + nv)*4 + nh) = hashValues[nh]; |
---|
602 | } |
---|
603 | } |
---|
604 | } |
---|
605 | |
---|
606 | // (2.2) Generating global node indexes |
---|
607 | // The ownership criterion: priority of the process holding the smaller index |
---|
608 | // Maps generated in this step are: |
---|
609 | // nodeHash2Info = <hash, [[idx1, rank1], [idx2, rank2], [idx3, rank3]..]> |
---|
610 | // nodeIdx2IdxMin = <idx, idxMin> |
---|
611 | // nodeIdx2IdxGlo = <idxMin, idxMin> |
---|
612 | |
---|
613 | CClientClientDHTSizet::Index2VectorInfoTypeMap nodeIdx2IdxMin; |
---|
614 | CClientClientDHTSizet::Index2VectorInfoTypeMap nodeIdx2IdxGlo; |
---|
615 | CArray<size_t,1> nodeIdxMinList(nbEdges*nvertex); |
---|
616 | |
---|
617 | CClientClientDHTSizet dhtNodeHash(nodeHash2Idx, comm); |
---|
618 | dhtNodeHash.computeIndexInfoMapping(nodeHashList); |
---|
619 | CClientClientDHTSizet::Index2VectorInfoTypeMap& nodeHash2Info = dhtNodeHash.getInfoIndexMap(); |
---|
620 | size_t iIdxMin = 0; |
---|
621 | |
---|
622 | for (CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator it = nodeHash2Info.begin(); it != nodeHash2Info.end(); ++it) |
---|
623 | { |
---|
624 | size_t idx = (it->second)[0]; |
---|
625 | size_t idxMin = (it->second)[0]; |
---|
626 | for (int i = 2; i < (it->second).size();) |
---|
627 | { |
---|
628 | if (mpiRank == (it->second)[i+1]) |
---|
629 | { |
---|
630 | idx = (it->second)[i]; |
---|
631 | } |
---|
632 | if ((it->second)[i] < idxMin) |
---|
633 | { |
---|
634 | idxMin = (it->second)[i]; |
---|
635 | (it->second)[i] = (it->second)[i-2]; |
---|
636 | } |
---|
637 | i += 2; |
---|
638 | } |
---|
639 | (it->second)[0] = idxMin; |
---|
640 | if (nodeIdx2IdxMin.count(idx) == 0) |
---|
641 | { |
---|
642 | nodeIdx2IdxMin[idx].push_back(idxMin); |
---|
643 | if (idx == idxMin) |
---|
644 | nodeIdx2IdxGlo[idxMin].push_back(idxMin); |
---|
645 | nodeIdxMinList(iIdxMin) = idxMin; |
---|
646 | ++iIdxMin; |
---|
647 | } |
---|
648 | } |
---|
649 | nodeIdxMinList.resizeAndPreserve(iIdxMin); |
---|
650 | CDHTAutoIndexing dhtNodeIdxGlo = CDHTAutoIndexing(nodeIdx2IdxGlo, comm); |
---|
651 | CClientClientDHTSizet dhtNodeIdx(nodeIdx2IdxGlo, comm); |
---|
652 | dhtNodeIdx.computeIndexInfoMapping(nodeIdxMinList); |
---|
653 | CClientClientDHTSizet::Index2VectorInfoTypeMap& nodeIdxMin2IdxGlo = dhtNodeIdx.getInfoIndexMap(); |
---|
654 | // nodeIdx2IdxGlo holds global indexes only for nodes owned by a process |
---|
655 | // nodeIdxMin2IdxGlo holds global indexes for all nodes generated by a process |
---|
656 | |
---|
657 | // (2.3) Saving variables: node_lon, node_lat, edge_nodes |
---|
658 | // Creating map nodeHash2IdxGlo <hash, idxGlo> |
---|
659 | // Creating map edgeHash2IdxGlo <hash, idxGlo> |
---|
660 | nbNodesGlo = dhtNodeIdxGlo.getNbIndexesGlobal(); |
---|
661 | node_count = dhtNodeIdxGlo.getIndexCount(); |
---|
662 | node_start = dhtNodeIdxGlo.getIndexStart(); |
---|
663 | CClientClientDHTSizet::Index2VectorInfoTypeMap nodeHash2IdxGlo; |
---|
664 | node_lon.resize(node_count); |
---|
665 | node_lat.resize(node_count); |
---|
666 | vector <size_t> edgeNodes; |
---|
667 | size_t idxGlo = 0; |
---|
668 | |
---|
669 | for (int ne = 0; ne < nbEdges; ++ne) |
---|
670 | { |
---|
671 | for (int nv = 0; nv < nvertex; ++nv) |
---|
672 | { |
---|
673 | hashValues = CMesh::createHashes(bounds_lon(nv, ne), bounds_lat(nv, ne)); |
---|
674 | size_t myIdx = generateNodeIndex(hashValues, mpiRank); |
---|
675 | CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator itIdx = nodeIdx2IdxMin.find(myIdx); |
---|
676 | size_t ownerIdx = (itIdx->second)[0]; |
---|
677 | |
---|
678 | if (myIdx == ownerIdx) |
---|
679 | { |
---|
680 | CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator itIdxGlo = nodeIdx2IdxGlo.find(myIdx); |
---|
681 | idxGlo = (itIdxGlo->second)[0]; |
---|
682 | // node_lon(idxGlo - node_start) = (bounds_lon(nv, ne) == 360.) ? (0.) : (bounds_lon(nv, ne)); |
---|
683 | node_lon(idxGlo - node_start) = bounds_lon(nv, ne); |
---|
684 | node_lat(idxGlo - node_start) = bounds_lat(nv, ne); |
---|
685 | } |
---|
686 | else |
---|
687 | { |
---|
688 | CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator itIdxGlo = nodeIdxMin2IdxGlo.find(ownerIdx); |
---|
689 | idxGlo = (itIdxGlo->second)[0]; |
---|
690 | } |
---|
691 | |
---|
692 | edge_nodes(nv,ne) = idxGlo; |
---|
693 | for (int nh = 0; nh < 4; ++nh) |
---|
694 | nodeHash2IdxGlo[hashValues[nh]].push_back(idxGlo); |
---|
695 | edgeNodes.push_back(idxGlo); |
---|
696 | } |
---|
697 | edgeHash2IdxGlo[ hashPairOrdered(edgeNodes[0], edgeNodes[1]) ].push_back(nbEdges*mpiRank + ne); |
---|
698 | edgeNodes.clear(); |
---|
699 | } |
---|
700 | pNodeGlobalIndex = new CClientClientDHTSizet (nodeHash2IdxGlo, comm); |
---|
701 | } // !nodesAreWritten |
---|
702 | |
---|
703 | pEdgeGlobalIndex = new CClientClientDHTSizet (edgeHash2IdxGlo, comm); |
---|
704 | edgesAreWritten = true; |
---|
705 | } //nvertex = 2 |
---|
706 | |
---|
707 | else |
---|
708 | { |
---|
709 | nbFaces = bounds_lon.shape()[1]; |
---|
710 | face_lon.resize(nbFaces); |
---|
711 | face_lat.resize(nbFaces); |
---|
712 | face_lon = lonvalue; |
---|
713 | face_lat = latvalue; |
---|
714 | face_nodes.resize(nvertex, nbFaces); |
---|
715 | face_edges.resize(nvertex, nbFaces); |
---|
716 | |
---|
717 | // Case (1): edges have been previously generated |
---|
718 | if (edgesAreWritten) |
---|
719 | { |
---|
720 | // (1.1) Recuperating node global indexing and saving face_nodes |
---|
721 | vector<size_t> hashValues(4); |
---|
722 | CArray<size_t,1> nodeHashList(nbFaces*nvertex*4); |
---|
723 | for (int nf = 0; nf < nbFaces; ++nf) |
---|
724 | { |
---|
725 | for (int nv = 0; nv < nvertex; ++nv) |
---|
726 | { |
---|
727 | hashValues = CMesh::createHashes(bounds_lon(nv, nf), bounds_lat(nv, nf)); |
---|
728 | for (int nh = 0; nh < 4; ++nh) |
---|
729 | nodeHashList((nf*nvertex + nv)*4 + nh) = hashValues[nh]; |
---|
730 | } |
---|
731 | } |
---|
732 | pNodeGlobalIndex->computeIndexInfoMapping(nodeHashList); |
---|
733 | CClientClientDHTSizet::Index2VectorInfoTypeMap& nodeHash2IdxGlo = pNodeGlobalIndex->getInfoIndexMap(); |
---|
734 | CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator it1, it2; |
---|
735 | CArray<size_t,1> edgeHashList(nbFaces*nvertex); |
---|
736 | for (int nf = 0; nf < nbFaces; ++nf) |
---|
737 | { |
---|
738 | for (int nv1 = 0; nv1 < nvertex; ++nv1) |
---|
739 | { |
---|
740 | int nh1 = 0; |
---|
741 | int nv2 = (nv1 < nvertex -1 ) ? (nv1 + 1) : (nv1 + 1 - nvertex); // cyclic rotation |
---|
742 | it1 = nodeHash2IdxGlo.find(nodeHashList((nf*nvertex + nv1)*4 + nh1)); |
---|
743 | while (it1 == nodeHash2IdxGlo.end()) |
---|
744 | { |
---|
745 | ++nh1; |
---|
746 | it1 = nodeHash2IdxGlo.find(nodeHashList((nf*nvertex + nv1)*4 + nh1)); |
---|
747 | } |
---|
748 | int nh2 = 0; |
---|
749 | it2 = nodeHash2IdxGlo.find(nodeHashList((nf*nvertex + nv2)*4 + nh2)); |
---|
750 | while (it2 == nodeHash2IdxGlo.end()) |
---|
751 | { |
---|
752 | ++nh2; |
---|
753 | it2 = nodeHash2IdxGlo.find(nodeHashList((nf*nvertex + nv1)*4 + nh2)); |
---|
754 | } |
---|
755 | face_nodes(nv1,nf) = it1->second[0]; |
---|
756 | edgeHashList(nf*nvertex + nv1) = hashPairOrdered(it1->second[0], it2->second[0]); |
---|
757 | |
---|
758 | } |
---|
759 | } |
---|
760 | |
---|
761 | // (1.2) Recuperating edge global indexing and saving face_edges |
---|
762 | pEdgeGlobalIndex->computeIndexInfoMapping(edgeHashList); |
---|
763 | CClientClientDHTSizet::Index2VectorInfoTypeMap& edgeHash2IdxGlo = pEdgeGlobalIndex->getInfoIndexMap(); |
---|
764 | CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator itEdgeHash; |
---|
765 | CClientClientDHTSizet::Index2VectorInfoTypeMap edgeHash2Rank; |
---|
766 | |
---|
767 | CClientClientDHTSizet::Index2VectorInfoTypeMap edgeIdxGlo2Face; |
---|
768 | CArray<size_t,1> edgeIdxGloList(nbFaces*nvertex); |
---|
769 | size_t iIdx = 0; |
---|
770 | |
---|
771 | for (int nf = 0; nf < nbFaces; ++nf) |
---|
772 | { |
---|
773 | for (int nv1 = 0; nv1 < nvertex; ++nv1) |
---|
774 | { |
---|
775 | int nh1 = 0; |
---|
776 | int nv2 = (nv1 < nvertex -1 ) ? (nv1 + 1) : (nv1 + 1 - nvertex); // cyclic rotation |
---|
777 | it1 = nodeHash2IdxGlo.find(nodeHashList((nf*nvertex + nv1)*4 + nh1)); |
---|
778 | while (it1 == nodeHash2IdxGlo.end()) |
---|
779 | { |
---|
780 | ++nh1; |
---|
781 | it1 = nodeHash2IdxGlo.find(nodeHashList((nf*nvertex + nv1)*4 + nh1)); |
---|
782 | } |
---|
783 | int nh2 = 0; |
---|
784 | it2 = nodeHash2IdxGlo.find(nodeHashList((nf*nvertex + nv2)*4 + nh2)); |
---|
785 | while (it2 == nodeHash2IdxGlo.end()) |
---|
786 | { |
---|
787 | ++nh2; |
---|
788 | it2 = nodeHash2IdxGlo.find(nodeHashList((nf*nvertex + nv1)*4 + nh2)); |
---|
789 | } |
---|
790 | size_t faceIdxGlo = mpiRank * nbFaces + nf; |
---|
791 | size_t edgeHash = hashPairOrdered(it1->second[0], it2->second[0]); |
---|
792 | itEdgeHash = edgeHash2IdxGlo.find(edgeHash); |
---|
793 | size_t edgeIdxGlo = itEdgeHash->second[0]; |
---|
794 | face_edges(nv1,nf) = edgeIdxGlo; |
---|
795 | if (edgeIdxGlo2Face.count(edgeIdxGlo) == 0) |
---|
796 | { |
---|
797 | edgeIdxGloList(iIdx) = edgeIdxGlo; |
---|
798 | ++iIdx; |
---|
799 | } |
---|
800 | edgeIdxGlo2Face[edgeIdxGlo].push_back(faceIdxGlo); |
---|
801 | edgeHash2Rank[edgeHash].push_back(itEdgeHash->first); |
---|
802 | edgeHash2Rank[edgeHash].push_back(mpiRank); |
---|
803 | } |
---|
804 | } |
---|
805 | edgeIdxGloList.resizeAndPreserve(iIdx); |
---|
806 | |
---|
807 | // (1.3) Saving remaining variables edge_faces and face_faces |
---|
808 | |
---|
809 | // Establishing edge ownership |
---|
810 | // The ownership criterion: priority of the process with smaller rank |
---|
811 | CClientClientDHTSizet dhtEdgeHash (edgeHash2Rank, comm); |
---|
812 | dhtEdgeHash.computeIndexInfoMapping(edgeHashList); |
---|
813 | CClientClientDHTSizet::Index2VectorInfoTypeMap& edgeHash2Info = dhtEdgeHash.getInfoIndexMap(); |
---|
814 | CClientClientDHTSizet::Index2VectorInfoTypeMap edgeHashMin2IdxGlo; // map is needed purely for counting |
---|
815 | |
---|
816 | // edgeHash2Info = <edgeHash, <idxGlo, rank1, idxGlo, rank2>> |
---|
817 | // edgeHashMin2IdxGlo edgeHash2Info = <edgeHashMin, idxGlo> |
---|
818 | for (CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator it = edgeHash2Info.begin(); it != edgeHash2Info.end(); ++it) |
---|
819 | { |
---|
820 | vector <size_t> edgeInfo = it->second; |
---|
821 | if (edgeInfo.size() == 4) // two processes generate the same edge |
---|
822 | if (edgeInfo[1] > edgeInfo[3]) |
---|
823 | edgeInfo[1] = edgeInfo[3]; |
---|
824 | if (edgeInfo[1] == mpiRank) |
---|
825 | edgeHashMin2IdxGlo[it->first].push_back(edgeInfo[0]); |
---|
826 | } |
---|
827 | |
---|
828 | CDHTAutoIndexing dhtEdgeIdxGlo = CDHTAutoIndexing(edgeHashMin2IdxGlo, comm); |
---|
829 | edge_count = dhtEdgeIdxGlo.getIndexCount(); |
---|
830 | edge_start = dhtEdgeIdxGlo.getIndexStart(); |
---|
831 | |
---|
832 | edge_faces.resize(2, edge_count); |
---|
833 | face_faces.resize(nvertex, nbFaces); |
---|
834 | |
---|
835 | CClientClientDHTSizet dhtEdge2Face (edgeIdxGlo2Face, comm); |
---|
836 | dhtEdge2Face.computeIndexInfoMapping(edgeIdxGloList); |
---|
837 | CClientClientDHTSizet::Index2VectorInfoTypeMap& edgeIdxGlo2FaceIdx = dhtEdge2Face.getInfoIndexMap(); |
---|
838 | CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator itFace1, itFace2; |
---|
839 | |
---|
840 | for (int nf = 0; nf < nbFaces; ++nf) |
---|
841 | { |
---|
842 | for (int nv1 = 0; nv1 < nvertex; ++nv1) |
---|
843 | { |
---|
844 | int nh1 = 0; |
---|
845 | int nv2 = (nv1 < nvertex -1 ) ? (nv1 + 1) : (nv1 + 1 - nvertex); // cyclic rotation |
---|
846 | it1 = nodeHash2IdxGlo.find(nodeHashList((nf*nvertex + nv1)*4 + nh1)); |
---|
847 | while (it1 == nodeHash2IdxGlo.end()) |
---|
848 | { |
---|
849 | ++nh1; |
---|
850 | it1 = nodeHash2IdxGlo.find(nodeHashList((nf*nvertex + nv1)*4 + nh1)); |
---|
851 | } |
---|
852 | int nh2 = 0; |
---|
853 | it2 = nodeHash2IdxGlo.find(nodeHashList((nf*nvertex + nv2)*4 + nh2)); |
---|
854 | while (it2 == nodeHash2IdxGlo.end()) |
---|
855 | { |
---|
856 | ++nh2; |
---|
857 | it2 = nodeHash2IdxGlo.find(nodeHashList((nf*nvertex + nv1)*4 + nh2)); |
---|
858 | } |
---|
859 | size_t faceIdxGlo = mpiRank * nbFaces + nf; |
---|
860 | size_t edgeHash = hashPairOrdered(it1->second[0], it2->second[0]); |
---|
861 | itEdgeHash = edgeHash2Info.find(edgeHash); |
---|
862 | size_t edgeOwnerRank = itEdgeHash->second[1]; |
---|
863 | int edgeIdxGlo = itEdgeHash->second[0]; |
---|
864 | |
---|
865 | if (mpiRank == edgeOwnerRank) |
---|
866 | { |
---|
867 | itFace1 = edgeIdxGlo2FaceIdx.find(edgeIdxGlo); |
---|
868 | int face1 = itFace1->second[0]; |
---|
869 | if (itFace1->second.size() == 1) |
---|
870 | { |
---|
871 | edge_faces(0, edgeIdxGlo - edge_start) = face1; |
---|
872 | edge_faces(1, edgeIdxGlo - edge_start) = -999; |
---|
873 | face_faces(nv1, nf) = -1; |
---|
874 | } |
---|
875 | else |
---|
876 | { |
---|
877 | int face2 = itFace1->second[1]; |
---|
878 | edge_faces(0, edgeIdxGlo - edge_start) = face1; |
---|
879 | edge_faces(1, edgeIdxGlo - edge_start) = face2; |
---|
880 | face_faces(nv1, nf) = (faceIdxGlo == face1 ? face2 : face1); |
---|
881 | } |
---|
882 | } |
---|
883 | else |
---|
884 | { |
---|
885 | itFace1 = edgeIdxGlo2FaceIdx.find(edgeIdxGlo); |
---|
886 | int face1 = itFace1->second[0]; |
---|
887 | int face2 = itFace1->second[1]; |
---|
888 | face_faces(nv1, nf) = (faceIdxGlo == face1 ? face2 : face1); |
---|
889 | } |
---|
890 | } |
---|
891 | } |
---|
892 | } // edgesAreWritten |
---|
893 | |
---|
894 | // Case (2): nodes have been previously generated |
---|
895 | else if (nodesAreWritten) |
---|
896 | { |
---|
897 | // (2.1) Generating nodeHashList |
---|
898 | vector<size_t> hashValues(4); |
---|
899 | CArray<size_t,1> nodeHashList(nbFaces*nvertex*4); |
---|
900 | for (int nf = 0; nf < nbFaces; ++nf) |
---|
901 | { |
---|
902 | for (int nv = 0; nv < nvertex; ++nv) |
---|
903 | { |
---|
904 | hashValues = CMesh::createHashes(bounds_lon(nv, nf), bounds_lat(nv, nf)); |
---|
905 | for (int nh = 0; nh < 4; ++nh) |
---|
906 | nodeHashList((nf*nvertex + nv)*4 + nh) = hashValues[nh]; |
---|
907 | } |
---|
908 | } |
---|
909 | |
---|
910 | // (2.2) Recuperating node global indexing and saving face_nodes |
---|
911 | // Generating edgeHash2Info = <hash, <idx, rank>> and edgeHashList |
---|
912 | pNodeGlobalIndex->computeIndexInfoMapping(nodeHashList); |
---|
913 | CClientClientDHTSizet::Index2VectorInfoTypeMap& nodeHash2IdxGlo = pNodeGlobalIndex->getInfoIndexMap(); |
---|
914 | CClientClientDHTSizet::Index2VectorInfoTypeMap edgeHash2Idx; |
---|
915 | CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator it1, it2; |
---|
916 | CArray<size_t,1> edgeHashList(nbFaces*nvertex); |
---|
917 | for (int nf = 0; nf < nbFaces; ++nf) |
---|
918 | { |
---|
919 | for (int nv1 = 0; nv1 < nvertex; ++nv1) |
---|
920 | { |
---|
921 | int nh1 = 0; |
---|
922 | int nv2 = (nv1 < nvertex -1 ) ? (nv1 + 1) : (nv1 + 1 - nvertex); // cyclic rotation |
---|
923 | it1 = nodeHash2IdxGlo.find(nodeHashList((nf*nvertex + nv1)*4 + nh1)); |
---|
924 | while (it1 == nodeHash2IdxGlo.end()) |
---|
925 | { |
---|
926 | ++nh1; |
---|
927 | it1 = nodeHash2IdxGlo.find(nodeHashList((nf*nvertex + nv1)*4 + nh1)); |
---|
928 | } |
---|
929 | int nh2 = 0; |
---|
930 | it2 = nodeHash2IdxGlo.find(nodeHashList((nf*nvertex + nv2)*4 + nh2)); |
---|
931 | while (it2 == nodeHash2IdxGlo.end()) |
---|
932 | { |
---|
933 | ++nh2; |
---|
934 | it2 = nodeHash2IdxGlo.find(nodeHashList((nf*nvertex + nv1)*4 + nh2)); |
---|
935 | } |
---|
936 | face_nodes(nv1,nf) = it1->second[0]; |
---|
937 | size_t edgeHash = hashPairOrdered(it1->second[0], it2->second[0]); |
---|
938 | edgeHash2Idx[edgeHash].push_back(generateEdgeIndex(it1->second[0], it2->second[0], mpiRank)); |
---|
939 | edgeHash2Idx[edgeHash].push_back(mpiRank); |
---|
940 | edgeHashList(nf*nvertex + nv1) = edgeHash; |
---|
941 | } |
---|
942 | } |
---|
943 | |
---|
944 | // (2.2) Generating global edge indexes |
---|
945 | // The ownership criterion: priority of the process holding the smaller index |
---|
946 | // Maps generated in this step are: |
---|
947 | // edgeHash2Info = <hash, [[idx1, rank1], [idx2, rank2], [idx3, rank3]..]> |
---|
948 | // edgeIdx2IdxMin = = <idx, idxMin> |
---|
949 | // edgeIdx2IdxGlo = <idxMin, idxGlo> |
---|
950 | |
---|
951 | CClientClientDHTSizet dhtEdgeHash(edgeHash2Idx, comm); |
---|
952 | dhtEdgeHash.computeIndexInfoMapping(edgeHashList); |
---|
953 | CClientClientDHTSizet::Index2VectorInfoTypeMap& edgeHash2Info = dhtEdgeHash.getInfoIndexMap(); |
---|
954 | |
---|
955 | CClientClientDHTSizet::Index2VectorInfoTypeMap edgeIdx2IdxMin; |
---|
956 | CClientClientDHTSizet::Index2VectorInfoTypeMap edgeIdx2IdxGlo; |
---|
957 | CArray<size_t,1> edgeIdxMinList(nbFaces*nvertex); |
---|
958 | size_t iIdxMin = 0; |
---|
959 | |
---|
960 | for (CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator it = edgeHash2Info.begin(); it != edgeHash2Info.end(); ++it) |
---|
961 | { |
---|
962 | size_t idxMin = (it->second)[0]; |
---|
963 | size_t idx = (it->second)[0]; |
---|
964 | for (int i = 2; i < (it->second).size();) |
---|
965 | { |
---|
966 | if (mpiRank == (it->second)[i+1]) |
---|
967 | { |
---|
968 | idx = (it->second)[i]; |
---|
969 | } |
---|
970 | if ((it->second)[i] < idxMin) |
---|
971 | { |
---|
972 | idxMin = (it->second)[i]; |
---|
973 | (it->second)[i] = (it->second)[i-2]; |
---|
974 | } |
---|
975 | i += 2; |
---|
976 | } |
---|
977 | (it->second)[0] = idxMin; |
---|
978 | if (edgeIdx2IdxMin.count(idx) == 0) |
---|
979 | { |
---|
980 | edgeIdx2IdxMin[idx].push_back(idxMin); |
---|
981 | if (idx == idxMin) |
---|
982 | edgeIdx2IdxGlo[idxMin].push_back(idxMin); |
---|
983 | edgeIdxMinList(iIdxMin) = idxMin; |
---|
984 | ++iIdxMin; |
---|
985 | } |
---|
986 | } |
---|
987 | edgeIdxMinList.resizeAndPreserve(iIdxMin); |
---|
988 | CDHTAutoIndexing dhtEdgeIdxGlo = CDHTAutoIndexing(edgeIdx2IdxGlo, comm); |
---|
989 | CClientClientDHTSizet dhtEdgeIdx(edgeIdx2IdxGlo, comm); |
---|
990 | dhtEdgeIdx.computeIndexInfoMapping(edgeIdxMinList); |
---|
991 | CClientClientDHTSizet::Index2VectorInfoTypeMap& edgeIdxMin2IdxGlo = dhtEdgeIdx.getInfoIndexMap(); |
---|
992 | // edgeIdx2IdxGlo holds global indexes only for edges owned by a process |
---|
993 | // edgeIdxMin2IdxGlo holds global indexes for all edges generated by a process |
---|
994 | |
---|
995 | // (2.3) Saving variables: edge_lon, edge_lat, face_edges |
---|
996 | nbEdgesGlo = dhtEdgeIdxGlo.getNbIndexesGlobal(); |
---|
997 | edge_count = dhtEdgeIdxGlo.getIndexCount(); |
---|
998 | edge_start = dhtEdgeIdxGlo.getIndexStart(); |
---|
999 | edge_lon.resize(edge_count); |
---|
1000 | edge_lat.resize(edge_count); |
---|
1001 | edge_nodes.resize(2, edge_count); |
---|
1002 | face_edges.resize(nvertex, nbFaces); |
---|
1003 | |
---|
1004 | CClientClientDHTSizet::Index2VectorInfoTypeMap edgeIdxGlo2Face; |
---|
1005 | CArray<size_t,1> edgeIdxGloList(nbFaces*nvertex); |
---|
1006 | size_t iIdx = 0; |
---|
1007 | |
---|
1008 | for (int nf = 0; nf < nbFaces; ++nf) |
---|
1009 | { |
---|
1010 | for (int nv1 = 0; nv1 < nvertex; ++nv1) |
---|
1011 | { |
---|
1012 | // Getting global indexes of edge's nodes |
---|
1013 | int nh1 = 0; |
---|
1014 | int nv2 = (nv1 < nvertex -1 ) ? (nv1 + 1) : (nv1 + 1 - nvertex); // cyclic rotation |
---|
1015 | it1 = nodeHash2IdxGlo.find(nodeHashList((nf*nvertex + nv1)*4 + nh1)); |
---|
1016 | while (it1 == nodeHash2IdxGlo.end()) |
---|
1017 | { |
---|
1018 | ++nh1; |
---|
1019 | it1 = nodeHash2IdxGlo.find(nodeHashList((nf*nvertex + nv1)*4 + nh1)); |
---|
1020 | } |
---|
1021 | int nh2 = 0; |
---|
1022 | it2 = nodeHash2IdxGlo.find(nodeHashList((nf*nvertex + nv2)*4 + nh2)); |
---|
1023 | while (it2 == nodeHash2IdxGlo.end()) |
---|
1024 | { |
---|
1025 | ++nh2; |
---|
1026 | it2 = nodeHash2IdxGlo.find(nodeHashList((nf*nvertex + nv1)*4 + nh2)); |
---|
1027 | } |
---|
1028 | // Getting edge global index |
---|
1029 | size_t nodeIdxGlo1 = it1->second[0]; |
---|
1030 | size_t nodeIdxGlo2 = it2->second[0]; |
---|
1031 | size_t myIdx = generateEdgeIndex(nodeIdxGlo1, nodeIdxGlo2, mpiRank); |
---|
1032 | CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator itIdx = edgeIdx2IdxMin.find(myIdx); |
---|
1033 | size_t ownerIdx = (itIdx->second)[0]; |
---|
1034 | int edgeIdxGlo = 0; |
---|
1035 | size_t faceIdxGlo = mpiRank * nbFaces + nf; |
---|
1036 | |
---|
1037 | if (myIdx == ownerIdx) |
---|
1038 | { |
---|
1039 | CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator itIdxGlo = edgeIdx2IdxGlo.find(myIdx); |
---|
1040 | edgeIdxGlo = (itIdxGlo->second)[0]; |
---|
1041 | edge_lon(edgeIdxGlo - edge_start) = ( abs( bounds_lon(nv1, nf) - bounds_lon(nv2, nf)) < 180.) ? |
---|
1042 | (( bounds_lon(nv1, nf) + bounds_lon(nv2, nf)) * 0.5) : |
---|
1043 | (( bounds_lon(nv1, nf) + bounds_lon(nv2, nf)) * 0.5 -180.); |
---|
1044 | edge_lat(edgeIdxGlo - edge_start) = ( bounds_lat(nv1, nf) + bounds_lat(nv2, nf) ) * 0.5; |
---|
1045 | edge_nodes(0, edgeIdxGlo - edge_start) = nodeIdxGlo1; |
---|
1046 | edge_nodes(1, edgeIdxGlo - edge_start) = nodeIdxGlo2; |
---|
1047 | } |
---|
1048 | else |
---|
1049 | { |
---|
1050 | CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator itIdxGlo = edgeIdxMin2IdxGlo.find(ownerIdx); |
---|
1051 | edgeIdxGlo = (itIdxGlo->second)[0]; |
---|
1052 | } |
---|
1053 | face_edges(nv1,nf) = edgeIdxGlo; |
---|
1054 | if (edgeIdxGlo2Face.count(edgeIdxGlo) == 0) |
---|
1055 | { |
---|
1056 | edgeIdxGloList(iIdx) = edgeIdxGlo; |
---|
1057 | ++iIdx; |
---|
1058 | } |
---|
1059 | edgeIdxGlo2Face[edgeIdxGlo].push_back(faceIdxGlo); |
---|
1060 | } |
---|
1061 | } |
---|
1062 | edgeIdxGloList.resizeAndPreserve(iIdx); |
---|
1063 | |
---|
1064 | // (2.4) Saving remaining variables edge_faces and face_faces |
---|
1065 | edge_faces.resize(2, edge_count); |
---|
1066 | face_faces.resize(nvertex, nbFaces); |
---|
1067 | |
---|
1068 | CClientClientDHTSizet dhtEdge2Face (edgeIdxGlo2Face, comm); |
---|
1069 | dhtEdge2Face.computeIndexInfoMapping(edgeIdxGloList); |
---|
1070 | CClientClientDHTSizet::Index2VectorInfoTypeMap& edgeIdxGlo2FaceIdx = dhtEdge2Face.getInfoIndexMap(); |
---|
1071 | CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator itNodeIdxGlo1, itNodeIdxGlo2; |
---|
1072 | |
---|
1073 | for (int nf = 0; nf < nbFaces; ++nf) |
---|
1074 | { |
---|
1075 | for (int nv1 = 0; nv1 < nvertex; ++nv1) |
---|
1076 | { |
---|
1077 | // Getting global indexes of edge's nodes |
---|
1078 | int nh1 = 0; |
---|
1079 | int nv2 = (nv1 < nvertex -1 ) ? (nv1 + 1) : (nv1 + 1 - nvertex); // cyclic rotation |
---|
1080 | it1 = nodeHash2IdxGlo.find(nodeHashList((nf*nvertex + nv1)*4 + nh1)); |
---|
1081 | while (it1 == nodeHash2IdxGlo.end()) |
---|
1082 | { |
---|
1083 | ++nh1; |
---|
1084 | it1 = nodeHash2IdxGlo.find(nodeHashList((nf*nvertex + nv1)*4 + nh1)); |
---|
1085 | } |
---|
1086 | int nh2 = 0; |
---|
1087 | it2 = nodeHash2IdxGlo.find(nodeHashList((nf*nvertex + nv2)*4 + nh2)); |
---|
1088 | while (it2 == nodeHash2IdxGlo.end()) |
---|
1089 | { |
---|
1090 | ++nh2; |
---|
1091 | it2 = nodeHash2IdxGlo.find(nodeHashList((nf*nvertex + nv1)*4 + nh2)); |
---|
1092 | } |
---|
1093 | size_t nodeIdxGlo1 = it1->second[0]; |
---|
1094 | size_t nodeIdxGlo2 = it2->second[0]; |
---|
1095 | |
---|
1096 | size_t myIdx = generateEdgeIndex(nodeIdxGlo1, nodeIdxGlo2, mpiRank); |
---|
1097 | CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator itIdx = edgeIdx2IdxMin.find(myIdx); |
---|
1098 | size_t ownerIdx = (itIdx->second)[0]; |
---|
1099 | size_t faceIdxGlo = mpiRank * nbFaces + nf; |
---|
1100 | |
---|
1101 | if (myIdx == ownerIdx) |
---|
1102 | { |
---|
1103 | CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator itIdxGlo = edgeIdx2IdxGlo.find(myIdx); |
---|
1104 | int edgeIdxGlo = (itIdxGlo->second)[0]; |
---|
1105 | it1 = edgeIdxGlo2FaceIdx.find(edgeIdxGlo); |
---|
1106 | int face1 = it1->second[0]; |
---|
1107 | if (it1->second.size() == 1) |
---|
1108 | { |
---|
1109 | edge_faces(0, edgeIdxGlo - edge_start) = face1; |
---|
1110 | edge_faces(1, edgeIdxGlo - edge_start) = -999; |
---|
1111 | face_faces(nv1, nf) = -1; |
---|
1112 | } |
---|
1113 | else |
---|
1114 | { |
---|
1115 | int face2 = it1->second[1]; |
---|
1116 | edge_faces(0, edgeIdxGlo - edge_start) = face1; |
---|
1117 | edge_faces(1, edgeIdxGlo - edge_start) = face2; |
---|
1118 | face_faces(nv1, nf) = (faceIdxGlo == face1 ? face2 : face1); |
---|
1119 | } |
---|
1120 | } |
---|
1121 | else |
---|
1122 | { |
---|
1123 | CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator itIdxGlo = edgeIdxMin2IdxGlo.find(ownerIdx); |
---|
1124 | size_t edgeIdxGlo = (itIdxGlo->second)[0]; |
---|
1125 | it1 = edgeIdxGlo2FaceIdx.find(edgeIdxGlo); |
---|
1126 | int face1 = it1->second[0]; |
---|
1127 | int face2 = it1->second[1]; |
---|
1128 | face_faces(nv1, nf) = (faceIdxGlo == face1 ? face2 : face1); |
---|
1129 | } |
---|
1130 | } |
---|
1131 | } |
---|
1132 | } // nodesAreWritten |
---|
1133 | |
---|
1134 | // Case (3): Neither nodes nor edges have been previously generated |
---|
1135 | else |
---|
1136 | { |
---|
1137 | // (3.1) Creating a list of hashes for each node and a map nodeHash2Idx <hash, <idx,rank> > |
---|
1138 | vector<size_t> hashValues(4); |
---|
1139 | CClientClientDHTSizet::Index2VectorInfoTypeMap nodeHash2Idx; |
---|
1140 | CArray<size_t,1> nodeHashList(nbFaces*nvertex*4); |
---|
1141 | size_t iHash = 0; |
---|
1142 | for (int nf = 0; nf < nbFaces; ++nf) |
---|
1143 | { |
---|
1144 | for (int nv = 0; nv < nvertex; ++nv) |
---|
1145 | { |
---|
1146 | hashValues = CMesh::createHashes(bounds_lon(nv, nf), bounds_lat(nv, nf)); |
---|
1147 | size_t nodeIndex = generateNodeIndex(hashValues, mpiRank); |
---|
1148 | for (int nh = 0; nh < 4; ++nh) |
---|
1149 | { |
---|
1150 | if (nodeHash2Idx.count(hashValues[nh])==0) |
---|
1151 | { |
---|
1152 | nodeHash2Idx[hashValues[nh]].push_back(nodeIndex); |
---|
1153 | nodeHash2Idx[hashValues[nh]].push_back(mpiRank); |
---|
1154 | nodeHashList(iHash) = hashValues[nh]; |
---|
1155 | ++iHash; |
---|
1156 | } |
---|
1157 | } |
---|
1158 | } |
---|
1159 | } |
---|
1160 | nodeHashList.resizeAndPreserve(iHash); |
---|
1161 | |
---|
1162 | // (3.2) Generating global node indexes |
---|
1163 | // The ownership criterion: priority of the process holding the smaller index |
---|
1164 | // Maps generated in this step are: |
---|
1165 | // nodeHash2Info = <hash, [[idxMin, rankMin], [idx1, rank1], [idx3, rank3]..]> |
---|
1166 | // nodeIdx2IdxMin = = <idx, idxMin> |
---|
1167 | // nodeIdx2IdxGlo = <idxMin, idxGlo> |
---|
1168 | |
---|
1169 | CClientClientDHTSizet dhtNodeHash(nodeHash2Idx, comm); |
---|
1170 | dhtNodeHash.computeIndexInfoMapping(nodeHashList); |
---|
1171 | CClientClientDHTSizet::Index2VectorInfoTypeMap& nodeHash2Info = dhtNodeHash.getInfoIndexMap(); |
---|
1172 | |
---|
1173 | CClientClientDHTSizet::Index2VectorInfoTypeMap nodeIdx2IdxMin; |
---|
1174 | CClientClientDHTSizet::Index2VectorInfoTypeMap nodeIdx2IdxGlo; |
---|
1175 | CArray<size_t,1> nodeIdxMinList(nbFaces*nvertex*4); |
---|
1176 | size_t iIdxMin = 0; |
---|
1177 | |
---|
1178 | for (CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator it = nodeHash2Info.begin(); it != nodeHash2Info.end(); ++it) |
---|
1179 | { |
---|
1180 | size_t idxMin = (it->second)[0]; |
---|
1181 | size_t idx = (it->second)[0]; |
---|
1182 | for (int i = 2; i < (it->second).size();) |
---|
1183 | { |
---|
1184 | if (mpiRank == (it->second)[i+1]) |
---|
1185 | { |
---|
1186 | idx = (it->second)[i]; |
---|
1187 | } |
---|
1188 | if ((it->second)[i] < idxMin) |
---|
1189 | { |
---|
1190 | idxMin = (it->second)[i]; |
---|
1191 | (it->second)[i] = (it->second)[i-2]; |
---|
1192 | } |
---|
1193 | i += 2; |
---|
1194 | } |
---|
1195 | (it->second)[0] = idxMin; |
---|
1196 | if (nodeIdx2IdxMin.count(idx) == 0) |
---|
1197 | { |
---|
1198 | nodeIdx2IdxMin[idx].push_back(idxMin); |
---|
1199 | if (idx == idxMin) |
---|
1200 | nodeIdx2IdxGlo[idxMin].push_back(idxMin); |
---|
1201 | nodeIdxMinList(iIdxMin) = idxMin; |
---|
1202 | ++iIdxMin; |
---|
1203 | } |
---|
1204 | } |
---|
1205 | |
---|
1206 | nodeIdxMinList.resizeAndPreserve(iIdxMin); |
---|
1207 | CDHTAutoIndexing dhtNodeIdxGlo = CDHTAutoIndexing(nodeIdx2IdxGlo, comm); |
---|
1208 | CClientClientDHTSizet dhtNodeIdx(nodeIdx2IdxGlo, comm); |
---|
1209 | dhtNodeIdx.computeIndexInfoMapping(nodeIdxMinList); |
---|
1210 | CClientClientDHTSizet::Index2VectorInfoTypeMap& nodeIdxMin2IdxGlo = dhtNodeIdx.getInfoIndexMap(); |
---|
1211 | |
---|
1212 | // (3.3) Saving node data: node_lon, node_lat, and face_nodes |
---|
1213 | // Generating edgeHash2Info = <hash, <idx, rank>> and edgeHashList |
---|
1214 | nbNodesGlo = dhtNodeIdxGlo.getNbIndexesGlobal(); |
---|
1215 | node_count = dhtNodeIdxGlo.getIndexCount(); |
---|
1216 | node_start = dhtNodeIdxGlo.getIndexStart(); |
---|
1217 | node_lon.resize(node_count); |
---|
1218 | node_lat.resize(node_count); |
---|
1219 | size_t nodeIdxGlo1 = 0; |
---|
1220 | size_t nodeIdxGlo2 = 0; |
---|
1221 | CClientClientDHTSizet::Index2VectorInfoTypeMap edgeHash2Idx; |
---|
1222 | CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator itNodeIdxGlo1, itNodeIdxGlo2; |
---|
1223 | CArray<size_t,1> edgeHashList(nbFaces*nvertex); |
---|
1224 | |
---|
1225 | for (int nf = 0; nf < nbFaces; ++nf) |
---|
1226 | { |
---|
1227 | for (int nv1 = 0; nv1 < nvertex; ++nv1) |
---|
1228 | { |
---|
1229 | int nv2 = (nv1 < nvertex -1 ) ? (nv1 + 1) : (nv1 + 1 - nvertex); // cyclic rotation |
---|
1230 | vector<size_t> hashValues1 = CMesh::createHashes(bounds_lon(nv1, nf), bounds_lat(nv1, nf)); |
---|
1231 | vector<size_t> hashValues2 = CMesh::createHashes(bounds_lon(nv2, nf), bounds_lat(nv2, nf)); |
---|
1232 | size_t myNodeIdx1 = generateNodeIndex(hashValues1, mpiRank); |
---|
1233 | size_t myNodeIdx2 = generateNodeIndex(hashValues2, mpiRank); |
---|
1234 | CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator itNodeIdx1 = nodeIdx2IdxMin.find(myNodeIdx1); |
---|
1235 | CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator itNodeIdx2 = nodeIdx2IdxMin.find(myNodeIdx2); |
---|
1236 | size_t ownerNodeIdx = (itNodeIdx1->second)[0]; |
---|
1237 | |
---|
1238 | if (myNodeIdx1 == ownerNodeIdx) |
---|
1239 | { |
---|
1240 | itNodeIdxGlo1 = nodeIdx2IdxGlo.find(myNodeIdx1); |
---|
1241 | nodeIdxGlo1 = (itNodeIdxGlo1->second)[0]; |
---|
1242 | node_lon(nodeIdxGlo1 - node_start) = bounds_lon(nv1, nf); |
---|
1243 | node_lat(nodeIdxGlo1 - node_start) = bounds_lat(nv1, nf); |
---|
1244 | } |
---|
1245 | else |
---|
1246 | { |
---|
1247 | itNodeIdxGlo1 = nodeIdxMin2IdxGlo.find(ownerNodeIdx); |
---|
1248 | nodeIdxGlo1 = (itNodeIdxGlo1->second)[0]; |
---|
1249 | } |
---|
1250 | itNodeIdxGlo2 = nodeIdxMin2IdxGlo.find((itNodeIdx2->second)[0]); |
---|
1251 | nodeIdxGlo2 = (itNodeIdxGlo2->second)[0]; |
---|
1252 | size_t edgeHash = hashPairOrdered(nodeIdxGlo1, nodeIdxGlo2); |
---|
1253 | edgeHash2Idx[edgeHash].push_back(generateEdgeIndex(nodeIdxGlo1, nodeIdxGlo2, mpiRank)); |
---|
1254 | edgeHash2Idx[edgeHash].push_back(mpiRank); |
---|
1255 | edgeHashList(nf*nvertex + nv1) = edgeHash; |
---|
1256 | face_nodes(nv1,nf) = nodeIdxGlo1; |
---|
1257 | } |
---|
1258 | } |
---|
1259 | |
---|
1260 | // (3.4) Generating global edge indexes |
---|
1261 | // Maps generated in this step are: |
---|
1262 | // edgeIdx2IdxMin = = <idx, idxMin> |
---|
1263 | // edgeIdx2IdxGlo = <idxMin, idxGlo> |
---|
1264 | |
---|
1265 | CClientClientDHTSizet dhtEdgeHash(edgeHash2Idx, comm); |
---|
1266 | dhtEdgeHash.computeIndexInfoMapping(edgeHashList); |
---|
1267 | CClientClientDHTSizet::Index2VectorInfoTypeMap& edgeHash2Info = dhtEdgeHash.getInfoIndexMap(); |
---|
1268 | // edgeHash2Info = <hash, [[idx1, rank1], [idx2, rank2], [idx3, rank3]..]> |
---|
1269 | |
---|
1270 | CClientClientDHTSizet::Index2VectorInfoTypeMap edgeIdx2IdxMin; |
---|
1271 | CClientClientDHTSizet::Index2VectorInfoTypeMap edgeIdx2IdxGlo; |
---|
1272 | CArray<size_t,1> edgeIdxMinList(nbFaces*nvertex); |
---|
1273 | iIdxMin = 0; |
---|
1274 | |
---|
1275 | for (CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator it = edgeHash2Info.begin(); it != edgeHash2Info.end(); ++it) |
---|
1276 | { |
---|
1277 | size_t idxMin = (it->second)[0]; |
---|
1278 | size_t idx = (it->second)[0]; |
---|
1279 | |
---|
1280 | for (int i = 2; i < (it->second).size();) |
---|
1281 | { |
---|
1282 | if (mpiRank == (it->second)[i+1]) |
---|
1283 | { |
---|
1284 | idx = (it->second)[i]; |
---|
1285 | } |
---|
1286 | if ((it->second)[i] < idxMin) |
---|
1287 | { |
---|
1288 | idxMin = (it->second)[i]; |
---|
1289 | (it->second)[i] = (it->second)[i-2]; |
---|
1290 | } |
---|
1291 | i += 2; |
---|
1292 | } |
---|
1293 | (it->second)[0] = idxMin; |
---|
1294 | if (edgeIdx2IdxMin.count(idx) == 0) |
---|
1295 | { |
---|
1296 | edgeIdx2IdxMin[idx].push_back(idxMin); |
---|
1297 | if (idx == idxMin) |
---|
1298 | edgeIdx2IdxGlo[idxMin].push_back(idxMin); |
---|
1299 | edgeIdxMinList(iIdxMin) = idxMin; |
---|
1300 | ++iIdxMin; |
---|
1301 | } |
---|
1302 | } |
---|
1303 | edgeIdxMinList.resizeAndPreserve(iIdxMin); |
---|
1304 | CDHTAutoIndexing dhtEdgeIdxGlo = CDHTAutoIndexing(edgeIdx2IdxGlo, comm); |
---|
1305 | CClientClientDHTSizet dhtEdgeIdx(edgeIdx2IdxGlo, comm); |
---|
1306 | dhtEdgeIdx.computeIndexInfoMapping(edgeIdxMinList); |
---|
1307 | CClientClientDHTSizet::Index2VectorInfoTypeMap& edgeIdxMin2IdxGlo = dhtEdgeIdx.getInfoIndexMap(); |
---|
1308 | |
---|
1309 | // (3.5) Saving variables: edge_lon, edge_lat, face_edges |
---|
1310 | // Creating map edgeIdxGlo2Face <idxGlo, face> |
---|
1311 | |
---|
1312 | nbEdgesGlo = dhtEdgeIdxGlo.getNbIndexesGlobal(); |
---|
1313 | edge_count = dhtEdgeIdxGlo.getIndexCount(); |
---|
1314 | edge_start = dhtEdgeIdxGlo.getIndexStart(); |
---|
1315 | edge_lon.resize(edge_count); |
---|
1316 | edge_lat.resize(edge_count); |
---|
1317 | edge_nodes.resize(2, edge_count); |
---|
1318 | face_edges.resize(nvertex, nbFaces); |
---|
1319 | |
---|
1320 | CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator it1, it2; |
---|
1321 | CClientClientDHTSizet::Index2VectorInfoTypeMap edgeIdxGlo2Face; |
---|
1322 | CArray<size_t,1> edgeIdxGloList(nbFaces*nvertex); |
---|
1323 | size_t iIdx = 0; |
---|
1324 | |
---|
1325 | for (int nf = 0; nf < nbFaces; ++nf) |
---|
1326 | { |
---|
1327 | for (int nv1 = 0; nv1 < nvertex; ++nv1) |
---|
1328 | { |
---|
1329 | // Getting global indexes of edge's nodes |
---|
1330 | int nv2 = (nv1 < nvertex -1 ) ? (nv1 + 1) : (nv1 + 1 - nvertex); // cyclic rotation |
---|
1331 | vector<size_t> hashValues1 = CMesh::createHashes(bounds_lon(nv1, nf), bounds_lat(nv1, nf)); |
---|
1332 | vector<size_t> hashValues2 = CMesh::createHashes(bounds_lon(nv2, nf), bounds_lat(nv2, nf)); |
---|
1333 | |
---|
1334 | size_t myNodeIdx1 = generateNodeIndex(hashValues1, mpiRank); |
---|
1335 | size_t myNodeIdx2 = generateNodeIndex(hashValues2, mpiRank); |
---|
1336 | it1 = nodeIdx2IdxMin.find(myNodeIdx1); |
---|
1337 | it2 = nodeIdx2IdxMin.find(myNodeIdx2); |
---|
1338 | itNodeIdxGlo1 = nodeIdxMin2IdxGlo.find((it1->second)[0]); |
---|
1339 | itNodeIdxGlo2 = nodeIdxMin2IdxGlo.find((it2->second)[0]); |
---|
1340 | size_t nodeIdxGlo1 = (itNodeIdxGlo1->second)[0]; |
---|
1341 | size_t nodeIdxGlo2 = (itNodeIdxGlo2->second)[0]; |
---|
1342 | |
---|
1343 | size_t myIdx = generateEdgeIndex(nodeIdxGlo1, nodeIdxGlo2, mpiRank); |
---|
1344 | CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator itIdx = edgeIdx2IdxMin.find(myIdx); |
---|
1345 | size_t ownerIdx = (itIdx->second)[0]; |
---|
1346 | |
---|
1347 | int edgeIdxGlo = 0; |
---|
1348 | size_t faceIdxGlo = mpiRank * nbFaces + nf; |
---|
1349 | |
---|
1350 | if (myIdx == ownerIdx) |
---|
1351 | { |
---|
1352 | CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator itIdxGlo = edgeIdx2IdxGlo.find(myIdx); |
---|
1353 | edgeIdxGlo = (itIdxGlo->second)[0]; |
---|
1354 | edge_lon(edgeIdxGlo - edge_start) = ( abs( bounds_lon(nv1, nf) - bounds_lon(nv2, nf)) < 180.) ? |
---|
1355 | (( bounds_lon(nv1, nf) + bounds_lon(nv2, nf)) * 0.5) : |
---|
1356 | (( bounds_lon(nv1, nf) + bounds_lon(nv2, nf)) * 0.5 -180.); |
---|
1357 | edge_lat(edgeIdxGlo-edge_start) = ( bounds_lat(nv1, nf) + bounds_lat(nv2, nf) ) * 0.5; |
---|
1358 | edge_nodes(0, edgeIdxGlo - edge_start) = nodeIdxGlo1; |
---|
1359 | edge_nodes(1, edgeIdxGlo - edge_start) = nodeIdxGlo2; |
---|
1360 | } |
---|
1361 | else |
---|
1362 | { |
---|
1363 | CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator itIdxGlo = edgeIdxMin2IdxGlo.find(ownerIdx); |
---|
1364 | edgeIdxGlo = (itIdxGlo->second)[0]; |
---|
1365 | } |
---|
1366 | face_edges(nv1,nf) = edgeIdxGlo; |
---|
1367 | if (edgeIdxGlo2Face.count(edgeIdxGlo) == 0) |
---|
1368 | { |
---|
1369 | edgeIdxGloList(iIdx) = edgeIdxGlo; |
---|
1370 | ++iIdx; |
---|
1371 | } |
---|
1372 | edgeIdxGlo2Face[edgeIdxGlo].push_back(faceIdxGlo); |
---|
1373 | } |
---|
1374 | } |
---|
1375 | edgeIdxGloList.resizeAndPreserve(iIdx); |
---|
1376 | |
---|
1377 | // (3.6) Saving remaining variables edge_faces and face_faces |
---|
1378 | edge_faces.resize(2, edge_count); |
---|
1379 | face_faces.resize(nvertex, nbFaces); |
---|
1380 | |
---|
1381 | CClientClientDHTSizet dhtEdge2Face (edgeIdxGlo2Face, comm); |
---|
1382 | dhtEdge2Face.computeIndexInfoMapping(edgeIdxGloList); |
---|
1383 | CClientClientDHTSizet::Index2VectorInfoTypeMap& edgeIdxGlo2FaceIdx = dhtEdge2Face.getInfoIndexMap(); |
---|
1384 | |
---|
1385 | for (int nf = 0; nf < nbFaces; ++nf) |
---|
1386 | { |
---|
1387 | for (int nv1 = 0; nv1 < nvertex; ++nv1) |
---|
1388 | { |
---|
1389 | // Getting global indexes of edge's nodes |
---|
1390 | int nv2 = (nv1 < nvertex -1 ) ? (nv1 + 1) : (nv1 + 1 - nvertex); // cyclic rotation |
---|
1391 | vector<size_t> hashValues1 = CMesh::createHashes(bounds_lon(nv1, nf), bounds_lat(nv1, nf)); |
---|
1392 | vector<size_t> hashValues2 = CMesh::createHashes(bounds_lon(nv2, nf), bounds_lat(nv2, nf)); |
---|
1393 | |
---|
1394 | size_t myNodeIdx1 = generateNodeIndex(hashValues1, mpiRank); |
---|
1395 | size_t myNodeIdx2 = generateNodeIndex(hashValues2, mpiRank); |
---|
1396 | it1 = nodeIdx2IdxMin.find(myNodeIdx1); |
---|
1397 | it2 = nodeIdx2IdxMin.find(myNodeIdx2); |
---|
1398 | itNodeIdxGlo1 = nodeIdxMin2IdxGlo.find((it1->second)[0]); |
---|
1399 | itNodeIdxGlo2 = nodeIdxMin2IdxGlo.find((it2->second)[0]); |
---|
1400 | size_t nodeIdxGlo1 = (itNodeIdxGlo1->second)[0]; |
---|
1401 | size_t nodeIdxGlo2 = (itNodeIdxGlo2->second)[0]; |
---|
1402 | |
---|
1403 | size_t myIdx = generateEdgeIndex(nodeIdxGlo1, nodeIdxGlo2, mpiRank); |
---|
1404 | CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator itIdx = edgeIdx2IdxMin.find(myIdx); |
---|
1405 | size_t ownerIdx = (itIdx->second)[0]; |
---|
1406 | size_t faceIdxGlo = mpiRank * nbFaces + nf; |
---|
1407 | |
---|
1408 | if (myIdx == ownerIdx) |
---|
1409 | { |
---|
1410 | CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator itIdxGlo = edgeIdx2IdxGlo.find(myIdx); |
---|
1411 | int edgeIdxGlo = (itIdxGlo->second)[0]; |
---|
1412 | it1 = edgeIdxGlo2FaceIdx.find(edgeIdxGlo); |
---|
1413 | int face1 = it1->second[0]; |
---|
1414 | if (it1->second.size() == 1) |
---|
1415 | { |
---|
1416 | edge_faces(0, edgeIdxGlo - edge_start) = face1; |
---|
1417 | edge_faces(1, edgeIdxGlo - edge_start) = -999; |
---|
1418 | face_faces(nv1, nf) = -1; |
---|
1419 | } |
---|
1420 | else |
---|
1421 | { |
---|
1422 | size_t face2 = it1->second[1]; |
---|
1423 | edge_faces(0, edgeIdxGlo - edge_start) = face1; |
---|
1424 | edge_faces(1, edgeIdxGlo - edge_start) = face2; |
---|
1425 | face_faces(nv1, nf) = (faceIdxGlo == face1 ? face2 : face1); |
---|
1426 | } |
---|
1427 | } |
---|
1428 | else |
---|
1429 | { |
---|
1430 | CClientClientDHTSizet::Index2VectorInfoTypeMap::iterator itIdxGlo = edgeIdxMin2IdxGlo.find(ownerIdx); |
---|
1431 | size_t edgeIdxGlo = (itIdxGlo->second)[0]; |
---|
1432 | it1 = edgeIdxGlo2FaceIdx.find(edgeIdxGlo); |
---|
1433 | int face1 = it1->second[0]; |
---|
1434 | int face2 = it1->second[1]; |
---|
1435 | face_faces(nv1, nf) = (faceIdxGlo == face1 ? face2 : face1); |
---|
1436 | } |
---|
1437 | } |
---|
1438 | } |
---|
1439 | } |
---|
1440 | facesAreWritten = true; |
---|
1441 | } // nvertex >= 3 |
---|
1442 | |
---|
1443 | } // createMeshEpsilon |
---|
1444 | |
---|
1445 | } // namespace xios |
---|