[219] | 1 | #include "nc4_data_input.hpp" |
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| 2 | |
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[599] | 3 | #include "context.hpp" |
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| 4 | #include "context_server.hpp" |
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| 5 | |
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[335] | 6 | namespace xios |
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[219] | 7 | { |
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[599] | 8 | CNc4DataInput::CNc4DataInput(const StdString& filename, MPI_Comm comm_file, bool multifile, bool isCollective /*= true*/) |
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| 9 | : SuperClass() |
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| 10 | , SuperClassWriter(filename, &comm_file, multifile) |
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| 11 | , comm_file(comm_file) |
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| 12 | , filename(filename) |
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| 13 | , isCollective(isCollective) |
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| 14 | { |
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| 15 | SuperClass::type = multifile ? MULTI_FILE : ONE_FILE; |
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| 16 | } |
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[219] | 17 | |
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[599] | 18 | CNc4DataInput::~CNc4DataInput(void) |
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| 19 | { /* Nothing more to do */ } |
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[219] | 20 | |
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[599] | 21 | StdSize CNc4DataInput::getFieldNbRecords_(CField* field) |
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| 22 | { |
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| 23 | StdString fieldId = !field->name.isEmpty() ? field->name.getValue() : field->getBaseFieldReference()->getId(); |
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| 24 | |
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| 25 | if (SuperClassWriter::isTemporal(fieldId)) |
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| 26 | { |
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| 27 | return SuperClassWriter::getDimensions(&fieldId)[SuperClassWriter::getUnlimitedDimensionName()]; |
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| 28 | } |
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| 29 | |
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| 30 | return 1; |
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| 31 | } |
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| 32 | |
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| 33 | void CNc4DataInput::readFieldData_(CField* field) |
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| 34 | { |
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| 35 | CContext* context = CContext::getCurrent(); |
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| 36 | CContextServer* server = context->server; |
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| 37 | |
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| 38 | CGrid* grid = field->grid; |
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| 39 | |
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| 40 | if (!grid->doGridHaveDataToWrite()) |
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| 41 | if (SuperClass::type==MULTI_FILE || !isCollective) return; |
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| 42 | |
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| 43 | StdString fieldId = !field->name.isEmpty() ? field->name.getValue() : field->getBaseFieldReference()->getId(); |
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| 44 | |
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| 45 | CArray<double,1> fieldData(grid->getWrittenDataSize()); |
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| 46 | if (!field->default_value.isEmpty()) fieldData = field->default_value; |
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| 47 | |
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| 48 | switch (SuperClass::type) |
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| 49 | { |
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| 50 | case MULTI_FILE: |
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| 51 | SuperClassWriter::getData(fieldData, fieldId, isCollective, field->getNStep() - 1); |
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| 52 | break; |
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| 53 | case ONE_FILE: |
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| 54 | { |
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| 55 | std::vector<int> nZoomBeginGlobal = grid->getDistributionServer()->getZoomBeginGlobal(); |
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| 56 | std::vector<int> nZoomBeginServer = grid->getDistributionServer()->getZoomBeginServer(); |
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| 57 | std::vector<int> nZoomSizeServer = grid->getDistributionServer()->getZoomSizeServer(); |
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| 58 | |
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| 59 | int ssize = nZoomBeginGlobal.size(); |
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| 60 | |
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| 61 | std::vector<StdSize> start(ssize); |
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| 62 | std::vector<StdSize> count(ssize); |
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| 63 | |
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| 64 | for (int i = 0; i < ssize; ++i) |
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| 65 | { |
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| 66 | start[i] = nZoomBeginServer[ssize - i - 1] - nZoomBeginGlobal[ssize - i - 1]; |
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| 67 | count[i] = nZoomSizeServer[ssize - i - 1]; |
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| 68 | } |
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| 69 | |
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| 70 | SuperClassWriter::getData(fieldData, fieldId, isCollective, field->getNStep() - 1, &start, &count); |
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| 71 | break; |
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| 72 | } |
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| 73 | } |
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| 74 | |
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| 75 | field->inputField(fieldData); |
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| 76 | |
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| 77 | if (!field->scale_factor.isEmpty() || !field->add_offset.isEmpty()) |
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| 78 | { |
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| 79 | double scaleFactor = 1.0, addOffset = 0.0; |
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| 80 | if (!field->scale_factor.isEmpty()) scaleFactor = field->scale_factor; |
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| 81 | if (!field->add_offset.isEmpty()) addOffset = field->add_offset; |
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| 82 | field->invertScaleFactorAddOffset(scaleFactor, addOffset); |
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| 83 | } |
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| 84 | } |
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| 85 | |
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| 86 | void CNc4DataInput::closeFile_(void) |
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| 87 | { |
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| 88 | SuperClassWriter::close(); |
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| 89 | } |
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[335] | 90 | } // namespace xios |
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