Adding test running propagation simulation on GRAS scene 5

tests/CombinedModel/CMakeLists.txt

@@ -23,3 +23,12 @@ vista_install( CombinedModelTest )
 vista_create_default_info_file( CombinedModelTest )
 
 set_property( TARGET CombinedModelTest PROPERTY FOLDER "ITAGeometricalAcoustics/Tests/ITAPropagationPathSim/CombinedModel" )
+
+add_executable( GRAS_scene5 GRAS_scene5.cpp )
+target_link_libraries( GRAS_scene5 ${VISTA_USE_PACKAGE_LIBRARIES} )
+
+vista_configure_app( GRAS_scene5 )
+vista_install( GRAS_scene5 )
+vista_create_default_info_file( GRAS_scene5 )
+
+set_property( TARGET GRAS_scene5 PROPERTY FOLDER "ITAGeometricalAcoustics/Tests/ITAPropagationPathSim/CombinedModel" )

tests/CombinedModel/GRAS_scene5.cpp

+/*
+ * ----------------------------------------------------------------
+ *
+ *		ITA geometrical acoustics
+ *		(c) Copyright Institute of Technical Acoustics (ITA)
+ *		RWTH Aachen University, Germany, 2015-2018
+ *
+ * ----------------------------------------------------------------
+ *				    ____  __________  _______
+ *				   //  / //__   ___/ //  _   |
+ *				  //  /    //  /    //  /_|  |
+ *				 //  /    //  /    //  ___   |
+ *				//__/    //__/    //__/   |__|
+ *
+ * ----------------------------------------------------------------
+ *
+ * Tests the image (source) model algorithm.
+ *
+ */
+
+#include <ITAStopWatch.h>
+#include <ITAStringUtils.h>
+
+#include <ITAPropagationPathSim/CombinedModel/PropagationEngine.h>
+#include <ITAGeo/Base.h>
+#include <ITAGeo/Utils.h>
+#include <ITAGeo/SketchUp/Model.h>
+#include <ITAGeo/Material/Material.h>
+#include <ITAGeo/Material/Manager.h>
+
+#include <cassert>
+
+using namespace std;
+using namespace ITAGeo;
+using namespace ITAPropagationPathSim;
+
+#if 1 //#ifdef WITH_JSON_SUPPORT
+#include <libjson.h>
+#endif
+
+int main( int iNumInArgs, char* pcInArgs[] )
+{
+	std::string sInFile = "GRAS_scene5_geometry.skp";
+
+	auto pMeshModelList = make_shared< ITAGeo::Halfedge::CMeshModelList>();
+
+	if( pMeshModelList->Load( sInFile ) )
+	{
+		cout << "Successfully loaded '" << sInFile << "'" << endl;
+	}
+	else
+	{
+		cerr << "Could not load " << sInFile << endl;
+		return 255;
+	}
+
+
+	// Configuration
+
+	const bool bOnlyNeighbouredEdgeDiffraction = false;
+	const bool bDiffractionOnlyIntoShadowedEdges = false;//  
+	const bool bFilterNotVisiblePathsBetweenEdges = false; //Intersection test between edges(expensive)
+	const bool bFilterNotVisiblePointToEdge = true; //Intersection test between emitter/sensor and edges
+	const bool bFilterNotVisiblePaths = true; //Intersection test of calculated sub paths
+	const float fIntersectionTestResolution = 0.001;
+	const int iNumIterations = 4;//!< Number of iterations for the calculation of the aperture points
+
+	const int fMaxAccumulatedDiffractionAngle = -ITAConstants::PI_F;
+
+	const float fLevelDropThreshhold = -90.f - 30.f - 11.f; //90 dB Power level of Diesel; 30 dB masking; 11 dB initial power level drop
+	const float fReflectionPenalty = -10 * log10f( 0.8 ); //Level reduction of a reflection with reflection factor rho = 0.8 from ISO9613-2
+	const float fDiffractionPenalty = 2.5f; // Minimum level reduction of a diffracted signal into the shadow region for a low frequency (Taken from BA Filbert Figure 16. UTD)
+
+	const int iMaxDiffractionOrder = 3;
+	const int iMaxReflectionOrder = 3;
+	const int iMaxCombinedOrder = 5;
+
+	ITAStopWatch sw; sw.start();
+
+	auto pSensor = make_shared< CSensor >( VistaVector3D( 8.512f, 2.985f, 1.235f ) );
+	pSensor->qOrient = VistaQuaternion( Vista::ZeroVector, VistaVector3D( -1.0f, 0.0f, 0.0f ) );
+	pSensor->sName = "MP01_FABIAN";
+
+	auto pEmitter = make_shared< CEmitter >( VistaVector3D( 2.487f, 2.985f, 2.0f ) );
+	pEmitter->sName = "LS02_Genelec8020c";
+
+	auto pPathEngine = make_shared<CombinedModel::CPathEngine>();
+	cout << "Calculation time initialization path engine: " << timeToString( sw.stop() ) << endl;
+
+	sw.start();
+
+	pPathEngine->Configure( bOnlyNeighbouredEdgeDiffraction, bDiffractionOnlyIntoShadowedEdges, bFilterNotVisiblePathsBetweenEdges, bFilterNotVisiblePointToEdge, bFilterNotVisiblePointToEdge, bFilterNotVisiblePaths, iNumIterations, fIntersectionTestResolution );
+	pPathEngine->SetAbortionCriteria( iMaxDiffractionOrder, iMaxReflectionOrder, iMaxCombinedOrder, fLevelDropThreshhold, fReflectionPenalty, fDiffractionPenalty, fMaxAccumulatedDiffractionAngle );
+	cout << "Calculation time configuring filter: " << timeToString( sw.stop() ) << endl;
+
+	sw.start();
+
+	pPathEngine->InitializePathEnvironment( pMeshModelList );
+	cout << "Calculation time initialization path environment: " << timeToString( sw.stop() ) << endl;
+
+	sw.start();
+
+	pPathEngine->ApplyEmitter( pEmitter );
+	cout << "Calculation time applying emitter: " << timeToString( sw.stop() ) << endl;
+
+	cout << "Number propagation path candidates after source insertion: " << pPathEngine->GetNumberPropagationPathCandidates() << endl;
+
+	sw.start();
+
+	pPathEngine->ApplySensor( pSensor );
+	cout << "Calculation time applying sensor: " << timeToString( sw.stop() ) << endl;
+
+	CPropagationPathList oPathList;
+	cout << "Calculation time applying sensor: " << timeToString( sw.stop() ) << endl;
+
+	sw.start();
+
+	pPathEngine->ConstructPropagationPaths( oPathList );
+	//pPathEngine->ConstructPropagationPathsWithStopWatch(oPathListAll);
+	cout << "Calculation time propagation path creation: " << timeToString( sw.stop() ) << endl;
+
+	cout << "Visible paths: " << to_string( oPathList.size() ) << endl;
+
+
+	SketchUp::CModel oGeoModel_Viz;
+	if( oGeoModel_Viz.Load( sInFile ) )
+	{
+		cout << "Successfully loaded '" << sInFile << "'" << endl;
+	}
+	else
+	{
+		cerr << "Could not load " << sInFile << endl;
+		return 255;
+	}
+
+	oGeoModel_Viz.AddEmitterVisualization( *pEmitter, pEmitter->sName );
+	oGeoModel_Viz.AddSensorVisualization( *pSensor, pSensor->sName );
+
+	cout << "The path with the longest length is " << oPathList.GetMaxLength() << " m." << endl;
+
+	size_t numberOfPaths[ iMaxDiffractionOrder + 1 ][ iMaxReflectionOrder + 1 ] = { 0 };
+	for( auto& oPath : oPathList )
+	{
+		long iNumReflections = ( long ) oPath.GetNumReflections();
+		long iNumDiffractions = ( long ) oPath.GetNumDiffractions();
+
+		numberOfPaths[ iNumDiffractions ][ iNumReflections ]++;
+	}
+
+	for( auto& oPath : oPathList )
+	{
+		long iNumReflections = ( long ) oPath.GetNumReflections();
+		long iNumDiffractions = ( long ) oPath.GetNumDiffractions();
+
+
+		string sPathName = "Refl_Order_" + to_string( iNumReflections ) + "_Diffr_Order_" + to_string( iNumDiffractions ) + "_Path_Amount_" + to_string( numberOfPaths[ iNumDiffractions ][ iNumReflections ] );
+		oGeoModel_Viz.AddPropagationPathVisualization( oPath, sPathName );
+	}
+
+	oPathList.Store( "GRAS_scene5_propagation_paths.json" );
+
+	oGeoModel_Viz.Store( "GRAS_scene5_visualization.skp" );
+
+	return 0;
+}

tests/CombinedModel/GRAS_scene5_geometry.skp

 ໿SketchUp Modelࣿ{18.0.1}휅ࣕ婚䜔삌榤ꛦ༓諿C:\dev\ITAGeometricalAcoustics\ITAPropagationPathSim\tests\CombinedModel\GRAS\05 diffraction (infinite wedge)\Geometry\scene5_geometry.skp岴￿噃牥楳湯慍ｰ￾䌉䄀爀挀䌀甀爀瘀攀̀＀￾䌊䄀琀琀爀椀戀甀琀攀＀￾䌓䄀琀琀爀椀戀甀琀攀䌀漀渀琀愀椀渀攀爀＀￾䌏䄀琀琀爀椀戀甀琀攀一愀洀攀搀Ā＀￾䌐䈀愀挀欀最爀漀甀渀搀䤀洀愀最攀਀＀￾䌇䌀愀洀攀爀愀Ԁ＀￾䌊䌀漀洀瀀漀渀攀渀琀଀＀￾䌒䌀漀洀瀀漀渀攀渀琀䈀攀栀愀瘀椀漀爀Ԁ＀￾䌔䌀漀洀瀀漀渀攀渀琀䐀攀昀椀渀椀琀椀漀渀଀＀￾䌒䌀漀洀瀀漀渀攀渀琀䤀渀猀琀愀渀挀攀؀＀￾䌕䌀漀渀猀琀爀甀挀琀椀漀渀䜀攀漀洀攀琀爀礀＀￾䌑䌀漀渀猀琀爀甀挀琀椀漀渀䰀椀渀攀Ā＀￾䌒䌀漀渀猀琀爀甀挀琀椀漀渀倀漀椀渀琀＀￾䌆䌀甀爀瘀攀Ѐ＀￾䌏䐀攀昀椀渀椀琀椀漀渀䰀椀猀琀＀￾䌄䐀椀戀̀＀￾䌊䐀椀洀攀渀猀椀漀渀Ā＀￾䌐䐀椀洀攀渀猀椀漀渀䰀椀渀攀愀爀؀＀￾䌐䐀椀洀攀渀猀椀漀渀刀愀搀椀愀氀Ȁ＀￾䌏䐀椀洀攀渀猀椀漀渀匀琀礀氀攀Ѐ＀￾䌏䐀爀愀眀椀渀最䔀氀攀洀攀渀琀ऀ＀￾䌅䔀搀最攀Ȁ＀￾䌈䔀搀最攀唀猀攀Ā＀￾䌇䔀渀琀椀琀礀Ԁ＀￾䌅䘀愀挀攀̀＀￾䌒䘀愀挀攀吀攀砀琀甀爀攀䌀漀漀爀搀猀Ѐ＀￾䌌䘀漀渀琀䴀愀渀愀最攀爀＀￾䌆䜀爀漀甀瀀Ā＀￾䌆䤀洀愀最攀Ā＀￾䌆䰀愀礀攀爀Ȁ＀￾䌍䰀愀礀攀爀䴀愀渀愀最攀爀Ѐ＀￾䌅䰀漀漀瀀Ā＀￾䌉䴀愀琀攀爀椀愀氀ఀ＀￾䌐䴀愀琀攀爀椀愀氀䴀愀渀愀最攀爀Ѐ＀￾䌉倀愀最攀䰀椀猀琀Ā＀￾䌋倀漀氀礀氀椀渀攀㌀搀＀￾䌍刀攀氀愀琀椀漀渀猀栀椀瀀＀￾䌐刀攀氀愀琀椀漀渀猀栀椀瀀䴀愀瀀＀￾䌑刀攀渀搀攀爀椀渀最伀瀀琀椀漀渀猀─＀￾䌋匀挀栀攀洀愀䘀椀氀攀Ā＀￾䌑匀挀栀攀洀愀䘀椀氀琀攀爀䘀椀氀攀＀￾䌎匀挀栀攀洀愀娀椀瀀䘀椀氀攀Ā＀￾䌍匀攀挀琀椀漀渀倀氀愀渀攀̀＀￾䌋匀栀愀搀漀眀䤀渀昀漀܀＀￾䌇匀欀䘀漀渀琀Ā＀￾䌉匀欀攀琀挀栀䌀匀＀￾䌎匀欀攀琀挀栀唀瀀䴀漀搀攀氀ᰀ＀￾䌍匀欀攀琀挀栀唀瀀倀愀最攀Ā＀￾䌉匀欀瀀匀琀礀氀攀Ā＀￾䌐匀欀瀀匀琀礀氀攀䴀愀渀愀最攀爀Ȁ＀￾䌅吀攀砀琀ऀ＀￾䌊吀攀砀琀匀琀礀氀攀Ԁ＀￾䌈吀攀砀琀甀爀攀؀＀￾䌊吀栀甀洀戀渀愀椀氀Ā＀￾䌇嘀攀爀琀攀砀＀￾䌉嘀椀攀眀倀愀最攀ఀ＀￾䌊圀愀琀攀爀洀愀爀欀Ā＀￾䌑圀愀琀攀爀洀愀爀欀䴀愀渀愀最攀爀Ȁ＀￾䔒渀搀ⴀ伀昀ⴀ嘀攀爀猀椀漀渀ⴀ䴀愀瀀Ā뀀Ā笀ö＀ϿЀ䌀楄Ѣ眀褀乐േᨊ

tests/CombinedModel/GRAS_scene5_visualization.skp

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