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#include <TePDIPrincipalComponents.hpp>
#include <TePDIParameters.hpp>
#include <TeAgnostic.h>
#include <TePDIUtils.hpp>
#include <TeRaster.h>
#include <TeProgress.h>
#include <TeStdIOProgress.h>
#include <TePDIExamplesBase.hpp>
void pca_test()
{
/********* Direct analysis *********/
TePDIPrincipalComponents::TePDIPCAType analysis_type =
TePDIPrincipalComponents::TePDIPCADirect;
TePDIParameters params_direct;
TePDITypes::TePDIRasterPtrType inRaster1( new TeRaster(
std::string( TEPDIEXAMPLESRESPATH "cbers_rgb342_crop1.tif" ),
'r') );
TEAGN_TRUE_OR_THROW(inRaster1->init(),
"Unable to init inRaster1");
TePDITypes::TePDIRasterPtrType inRaster2( new TeRaster(
std::string( TEPDIEXAMPLESRESPATH "cbers_rgb342_crop1.tif" ),
'r') );
TEAGN_TRUE_OR_THROW(inRaster2->init(),
"Unable to init inRaster2");
TePDITypes::TePDIRasterPtrType inRaster3(new TeRaster(
std::string( TEPDIEXAMPLESRESPATH "cbers_rgb342_crop1.tif" ),
'r') );
TEAGN_TRUE_OR_THROW(inRaster3->init(), "Unable to init inRaster3");
TePDITypes::TePDIRasterVectorType input_rasters;
input_rasters.push_back(inRaster1);
input_rasters.push_back(inRaster2);
input_rasters.push_back(inRaster3);
std::vector<int> bands_direct;
bands_direct.push_back(0);
bands_direct.push_back(1);
bands_direct.push_back(2);
TePDITypes::TePDIRasterPtrType outRaster1_direct;
TEAGN_TRUE_OR_THROW(TePDIUtils::TeAllocRAMRaster(
outRaster1_direct, 1, 1, 1, false, TeDOUBLE, 0),
"RAM Raster 1 Alloc error");
TePDITypes::TePDIRasterPtrType outRaster2_direct;
TEAGN_TRUE_OR_THROW(TePDIUtils::TeAllocRAMRaster(
outRaster2_direct, 1, 1, 1, false, TeDOUBLE, 0),
"RAM Raster 2 Alloc error");
TePDITypes::TePDIRasterPtrType outRaster3_direct;
TEAGN_TRUE_OR_THROW(TePDIUtils::TeAllocRAMRaster(
outRaster3_direct, 1, 1, 1, false, TeDOUBLE, 0 ),
"RAM Raster 3 Alloc error");
TePDITypes::TePDIRasterVectorType output_rasters_direct;
output_rasters_direct.push_back(outRaster1_direct);
output_rasters_direct.push_back(outRaster2_direct);
output_rasters_direct.push_back(outRaster3_direct);
TeSharedPtr<TeMatrix> covariance_matrix(new TeMatrix);
params_direct.SetParameter("analysis_type", analysis_type);
params_direct.SetParameter("input_rasters", input_rasters);
params_direct.SetParameter("bands", bands_direct);
params_direct.SetParameter("output_rasters", output_rasters_direct);
params_direct.SetParameter("covariance_matrix", covariance_matrix);
TePDIPrincipalComponents pc_direct;
TEAGN_TRUE_OR_THROW(pc_direct.Reset(params_direct), "Invalid Parameters");
TEAGN_TRUE_OR_THROW(pc_direct.Apply(), "Apply error");
TEAGN_TRUE_OR_THROW(TePDIUtils::TeRaster2Geotiff(
output_rasters_direct[0],
TEPDIEXAMPLESBINPATH "TePDIPrincipalComponents_pca0.tif" ),
"GeoTIFF0 generation error");
TEAGN_TRUE_OR_THROW(TePDIUtils::TeRaster2Geotiff(
output_rasters_direct[1],
TEPDIEXAMPLESBINPATH "TePDIPrincipalComponents_pca1.tif" ),
"GeoTIFF1 generation error");
TEAGN_TRUE_OR_THROW(TePDIUtils::TeRaster2Geotiff(
output_rasters_direct[2],
TEPDIEXAMPLESBINPATH "TePDIPrincipalComponents_pca2.tif" ),
"GeoTIFF2 generation error");
/********* Inverse analysis *********/
analysis_type = TePDIPrincipalComponents::TePDIPCAInverse;
TePDIParameters params_inverse;
std::vector< int > bands_inverse;
bands_inverse.push_back(0);
bands_inverse.push_back(0);
bands_inverse.push_back(0);
TePDITypes::TePDIRasterPtrType outRaster1_inverse;
TEAGN_TRUE_OR_THROW(TePDIUtils::TeAllocRAMRaster(
outRaster1_inverse, 1, 1, 1, false, TeDOUBLE, 0 ),
"RAM Raster 1 Alloc error");
TePDITypes::TePDIRasterPtrType outRaster2_inverse;
TEAGN_TRUE_OR_THROW(TePDIUtils::TeAllocRAMRaster(
outRaster2_inverse, 1, 1, 1, false, TeDOUBLE, 0 ),
"RAM Raster 2 Alloc error");
TePDITypes::TePDIRasterPtrType outRaster3_inverse;
TEAGN_TRUE_OR_THROW(TePDIUtils::TeAllocRAMRaster(
outRaster3_inverse, 1, 1, 1, false, TeDOUBLE, 0 ),
"RAM Raster 3 Alloc error");
TePDITypes::TePDIRasterVectorType output_rasters_inverse;
output_rasters_inverse.push_back(outRaster1_inverse);
output_rasters_inverse.push_back(outRaster2_inverse);
output_rasters_inverse.push_back(outRaster3_inverse);
params_inverse.SetParameter("analysis_type", analysis_type);
params_inverse.SetParameter("input_rasters",
output_rasters_direct);
params_inverse.SetParameter("bands", bands_inverse);
params_inverse.SetParameter("output_rasters",
output_rasters_inverse);
params_inverse.SetParameter("covariance_matrix",
covariance_matrix);
TePDIPrincipalComponents pc_inverse;
TEAGN_TRUE_OR_THROW(pc_inverse.Reset(params_inverse),
"Invalid Parameters");
TEAGN_TRUE_OR_THROW(pc_inverse.Apply(), "Apply error");
TEAGN_TRUE_OR_THROW(TePDIUtils::TeRaster2Geotiff(
output_rasters_inverse[0],
TEPDIEXAMPLESBINPATH "TePDIPrincipalComponents_band0.tif"),
"GeoTIFF0 generation error");
TEAGN_TRUE_OR_THROW(TePDIUtils::TeRaster2Geotiff(
output_rasters_inverse[1],
TEPDIEXAMPLESBINPATH "TePDIPrincipalComponents_band1.tif"),
"GeoTIFF1 generation error");
TEAGN_TRUE_OR_THROW(TePDIUtils::TeRaster2Geotiff(
output_rasters_inverse[2],
TEPDIEXAMPLESBINPATH "TePDIPrincipalComponents_band2.tif"),
"GeoTIFF2 generation error");
}
int main()
{
TEAGN_LOGMSG( "Test started." );
TEAGN_DEBUG_MODE_CHECK;
try{
TeStdIOProgress pi;
TeProgress::setProgressInterf( dynamic_cast< TeProgressBase* >( &pi ) );
pca_test();
}
catch( const TeException& e ){
TEAGN_LOGERR( "Test Failed - " + e.message() );
return EXIT_FAILURE;
}
TEAGN_LOGMSG( "Test OK." );
return EXIT_SUCCESS;
}
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