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/***********************************************/
/**
* @file griddedData2Matrix.cpp
*
* @brief Write grid to matrix file.
*
* @author Torsten Mayer-Guerr
* @date 2010-06-22
*/
/***********************************************/
// Latex documentation
#define DOCSTRING docstring
static const char *docstring = R"(
This program converts \configFile{inputfileGriddedData}{griddedData}
to \configFile{outputfileMatrix}{matrix} with data columns.
The grid is expressed as ellipsoidal coordinates (longitude, latitude, height)
based on a reference ellipsoid with parameters \config{R} and \config{inverseFlattening}.
The content of the output matrix can be controlled by \config{outColumn} expressions
applied to every grid point. The common data variables for grids are available,
see \reference{dataVariables}{general.parser:dataVariables}.
)";
/***********************************************/
#include "programs/program.h"
#include "parser/dataVariables.h"
#include "files/fileGriddedData.h"
#include "files/fileMatrix.h"
#include "misc/miscGriddedData.h"
/***** CLASS ***********************************/
/** @brief Write grid to matrix file.
* @ingroup programsGroup */
class GriddedData2Matrix
{
public:
void run(Config &config, Parallel::CommunicatorPtr comm);
};
GROOPS_REGISTER_PROGRAM(GriddedData2Matrix, SINGLEPROCESS, "write grid to matrix file", Grid, Matrix)
GROOPS_RENAMED_PROGRAM(Grid2Matrix, GriddedData2Matrix, date2time(2020, 02, 02))
/***********************************************/
void GriddedData2Matrix::run(Config &config, Parallel::CommunicatorPtr /*comm*/)
{
try
{
FileName fileNameOut, fileNameGrid;
Double a, f;
std::vector<ExpressionVariablePtr> expression;
readConfig(config, "outputfileMatrix", fileNameOut, Config::MUSTSET, "", "point list as matrix with longitude and latitude values in columns and possible additional columns");
readConfig(config, "inputfileGriddedData", fileNameGrid, 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, "outColumn", expression, Config::OPTIONAL, R"(["longitude", "latitude", "height", "data0"])", "expression (variables: longitude, latitude, height, area, data0, data1, ...)");
if(isCreateSchema(config)) return;
// create grid
// -----------
logStatus<<"read grid file <"<<fileNameGrid<<">"<<Log::endl;
GriddedData grid;
readFileGriddedData(fileNameGrid, grid);
grid.ellipsoid = Ellipsoid(a,f);
MiscGriddedData::printStatistics(grid);
// create data variables
// ---------------------
VariableList varList;
addDataVariables(grid, varList);
std::for_each(expression.begin(), expression.end(), [&](auto expr) {expr->simplify(varList);});
// calculate output grid
// ---------------------
logStatus<<"calculate output matrix"<<Log::endl;
Matrix A(grid.points.size(), expression.size());
Single::forEach(A.rows(), [&](UInt i)
{
evaluateDataVariables(grid, i, varList);
for(UInt k=0; k<A.columns(); k++)
A(i,k) = expression.at(k)->evaluate(varList);
});
// write
// -----
logStatus<<"write matrix to file <"<<fileNameOut<<">"<<Log::endl;
writeFileMatrix(fileNameOut, A);
}
catch(std::exception &e)
{
GROOPS_RETHROW(e)
}
}
/***********************************************/
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