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/***********************************************/
/**
* @file normalsRegularizationBorders.cpp
*
* @brief Two regularization matrices for inside und outside of Border.
* The diagonal is saved as Vector.
*
* @author Annette Eicker
* @author Torsten Mayer-Guerr
* @date 2008-08-08
*
*/
/***********************************************/
// Latex documentation
#define DOCSTRING docstring
static const char *docstring = R"(
This program sets up two regularization matrices for two different regional areas.
For a given set of points defined by \configClass{grid}{gridType} it is evaluated, whether each point
(corresponding to an unknown parameter of a respective parameterization by space localizing basis functions)
is inside or outside a certain area given by \configClass{border}{borderType}.
Each regularization matrix is a diagonal matrix, one of them features a one if the
point is inside, and a zero if the point lies outside the area. The other matrix features
a zero if the point is inside, and a one if the point lies outside the area
This results in two regularization matrices with
\begin{equation}
\M R_1+\M R_2=\M I.
\end{equation}
The two matrices are provided as vectors of the diagonal
in the output files \configFile{outputfileOutside}{matrix} and \configFile{outputfileInside}{matrix}.
The regularization matrices are then used by \configClass{normalEquation:regularization}{normalEquationType:regularization}.
As an example, the two different areas could be oceanic regions on the one hand and continental areas on the other hand.
)";
/***********************************************/
#include "programs/program.h"
#include "files/fileMatrix.h"
#include "classes/grid/grid.h"
#include "classes/border/border.h"
/***** CLASS ***********************************/
/** @brief Two regularization matrices for inside und outside of Border.
* The diagonal is saved as Vector.
* @ingroup programsGroup */
class NormalsRegularizationBorders
{
public:
void run(Config &config, Parallel::CommunicatorPtr comm);
};
GROOPS_REGISTER_PROGRAM(NormalsRegularizationBorders, SINGLEPROCESS, "Two regularization matrices for inside und outside of Border", NormalEquation)
/***********************************************/
void NormalsRegularizationBorders::run(Config &config, Parallel::CommunicatorPtr /*comm*/)
{
try
{
FileName insideName, outsideName;
GridPtr grid;
BorderPtr border;
Double a, f;
readConfig(config, "outputfileInside", insideName, Config::MUSTSET, "", "");
readConfig(config, "outputfileOutside", outsideName, Config::MUSTSET, "", "");
readConfig(config, "grid", grid, Config::MUSTSET, "", "nodal point distribution of parameters, e.g harmonics splines");
readConfig(config, "border", border, Config::MUSTSET, "", "regularization areas, e.g land and ocean");
readConfig(config, "R", a, Config::DEFAULT, STRING_DEFAULT_GRS80_a, "reference radius for ellipsoidal coordinates for border");
readConfig(config, "inverseFlattening", f, Config::DEFAULT, STRING_DEFAULT_GRS80_f, "reference flattening for ellipsoidal coordinates for border, 0: spherical coordinates");
if(isCreateSchema(config)) return;
Ellipsoid ellipsoid(a, f);
std::vector<Vector3d> points = grid->points();
logInfo<<" nodal points: "<<points.size()<<Log::endl;
Vector diag1(points.size()); // fill with 1 or 0
Vector diag2(points.size()); // fill with 1 or 0
for(UInt k=0; k<points.size(); k++)
{
if(border->isInnerPoint(points.at(k), ellipsoid))
diag1(k)=1;
else
diag2(k)=1;
}
logStatus<<"write diagonal matrices to file"<<Log::endl;
if(!insideName.empty())
writeFileMatrix(insideName, diag1);
if(!outsideName.empty())
writeFileMatrix(outsideName, diag2);
}
catch(std::exception &e)
{
GROOPS_RETHROW(e)
}
}
/***********************************************/
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