a sample propagation model

src/SamplePropagationModel.cpp

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+/*
+
+Copyright (C) 2024 ForeFire Team, SPE, Universit� de Corse.
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU Lesser General Public
+License as published by the Free Software Foundation; either
+version 2.1 of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 US
+
+ */
+
+
+#include "PropagationModel.h"
+#include "FireDomain.h"
+#include <math.h>
+
+namespace libforefire {
+
+class SamplePropagationModel: public PropagationModel {
+	static const string name;
+	static int isInitialized;
+	size_t slope;
+	size_t normalWind;
+	size_t Sigmad;
+	double windReductionFactor;
+
+	double getSpeed(double*);
+
+public:
+	SamplePropagationModel(const int& = 0, DataBroker* db=0);
+	virtual ~SamplePropagationModel();
+	string getName();
+};
+PropagationModel* getSamplePropagationModelModel(const int& = 0, DataBroker* db=0);
+
+} 
+using namespace std;
+
+namespace libforefire {
+const string SamplePropagationModel::name = "SamplePropagationModel";
+PropagationModel* getSamplePropagationModelModel(const int & mindex, DataBroker* db) {
+	return new SamplePropagationModel(mindex, db);
+}
+
+int SamplePropagationModel::isInitialized =
+		FireDomain::registerPropagationModelInstantiator(name, getSamplePropagationModelModel );
+
+SamplePropagationModel::SamplePropagationModel(const int & mindex, DataBroker* db)
+: PropagationModel(mindex, db) {
+	windReductionFactor = params->getDouble("windReductionFactor");
+	slope = registerProperty("slope");
+	normalWind = registerProperty("normalWind");
+	Sigmad = registerProperty("fuel.Sigmad");
+	if ( numProperties > 0 ) properties =  new double[numProperties];
+	dataBroker->registerPropagationModel(this);
+
+}
+
+SamplePropagationModel::~SamplePropagationModel() {
+}
+
+string SamplePropagationModel::getName(){
+	return name;
+}
+
+double SamplePropagationModel::getSpeed(double* valueOf){
+	double lSigmad = valueOf[Sigmad] ;
+	double normal_wind  = valueOf[normalWind] ;
+	double localngle =  valueOf[slope];
+	normal_wind *= windReductionFactor*localngle;
+	if (normal_wind < 0) normal_wind = 0;
+	return normal_wind*lSigmad;
+}
+
+}