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/***********************************************/
/**
* @file griddedDataCreate.cpp
*
* @brief Create a grid an write it to file.
*
* @author Torsten Mayer-Guerr
* @date 2001-08-06
*/
/***********************************************/
// Latex documentation
#define DOCSTRING docstring
static const char *docstring = R"(
This program creates a \configClass{grid}{gridType} and writes it to \configFile{outputfileGrid}{griddedData}.
The grid is expressed as ellipsoidal coordinates (longitude, latitude, height)
based on a reference ellipsoid with parameters \config{R} and \config{inverseFlattening}.
Extra \config{value} columns can be appended using expressions
with the common \reference{data variables}{general.parser:dataVariables} for gridded data.
)";
/***********************************************/
#include "programs/program.h"
#include "parser/dataVariables.h"
#include "files/fileGriddedData.h"
#include "classes/grid/grid.h"
#include "misc/miscGriddedData.h"
/***** CLASS ***********************************/
/** @brief Create a grid an write it to file.
* @ingroup programsGroup */
class GriddedDataCreate
{
public:
void run(Config &config, Parallel::CommunicatorPtr comm);
};
GROOPS_REGISTER_PROGRAM(GriddedDataCreate, SINGLEPROCESS, "create a grid an write it to file", Grid)
GROOPS_RENAMED_PROGRAM(Grid2File, GriddedDataCreate, date2time(2020, 01, 28))
/***********************************************/
void GriddedDataCreate::run(Config &config, Parallel::CommunicatorPtr /*comm*/)
{
try
{
FileName fileNameGrid;
GridPtr gridPtr;
Double a, f;
std::vector<ExpressionVariablePtr> exprValues;
readConfig(config, "outputfileGrid", fileNameGrid, Config::MUSTSET, "", "");
readConfig(config, "grid", gridPtr, Config::MUSTSET, "", "");
readConfig(config, "R", a, Config::DEFAULT, STRING_DEFAULT_GRS80_a, "reference radius for ellipsoidal coordinates on output");
readConfig(config, "inverseFlattening", f, Config::DEFAULT, STRING_DEFAULT_GRS80_f, "reference flattening for ellipsoidal coordinates on output, 0: spherical coordinates");
readConfig(config, "value", exprValues, Config::OPTIONAL, "0.0", "expression (variables as 'longitude', 'height', 'area' are taken from the gridded data)");
if(isCreateSchema(config)) return;
logStatus<<"create grid"<<Log::endl;
GriddedData grid(Ellipsoid(a,f), gridPtr->points(), gridPtr->areas(), {});
if(exprValues.size())
{
VariableList varList;
addDataVariables(grid, varList);
for(auto exprValue : exprValues)
exprValue->simplify(varList);
grid.values.resize(exprValues.size(), std::vector<Double>(grid.points.size(), 0));
for(UInt i=0; i<grid.points.size(); i++)
{
evaluateDataVariables(grid, i, varList);
for(UInt k=0; k<exprValues.size(); k++)
grid.values.at(k).at(i) = exprValues.at(k)->evaluate(varList);
}
}
logStatus<<"writing grid to file <"<<fileNameGrid<<">"<<Log::endl;
writeFileGriddedData(fileNameGrid, grid);
MiscGriddedData::printStatistics(grid);
}
catch(std::exception &e)
{
GROOPS_RETHROW(e)
}
}
/***********************************************/
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