Improving the code syntax and robustness (Coverity scan)

include/CutPursuit.h

@@ -61,6 +61,8 @@ namespace CP
 			this->dim = 1;
 			this->nVertex = 1;
 			this->nEdge = 0;
+			this->parameter.reg_strenth = 0;
+			this->parameter.cutoff = 0;
 			this->parameter.flow_steps = 3;
 			this->parameter.kmeans_ite = 5;
 			this->parameter.kmeans_resampling = 3;

include/CutPursuit_SPG.h

@@ -120,7 +120,7 @@ namespace CP
 			uint32_t nb_comp = static_cast<uint32_t>(this->components.size());
 			// ind_com;
 			//#pragma omp parallel for private(ind_com) //if (nb_comp>=8) schedule(dynamic)
-			uint32_t dim_spat = spatial_part ? this->dim - 0 : dim_spat = this->dim;
+			uint32_t dim_spat = spatial_part ? this->dim - 0 : this->dim;
 
 #ifdef OPENMP
 #pragma omp parallel for if (nb_comp >= omp_get_num_threads()) schedule(dynamic) 

include/Graph.h

@@ -23,6 +23,7 @@ namespace CP
 			, value(dim, 0.)
 			, color(-1)
 			, isBorder(false)
+			, in_component(0)
 		{}
 
 		T weight; //weight of the observation

src/TreeIso.cpp

@@ -201,7 +201,6 @@ bool TreeIso::Intermediate_seg_pcd(ccPointCloud* pc, const unsigned PR_MIN_NN2,
 	}
 	CCCoreLib::ScalarField* initSF = pc->getScalarField(initSFIndex);
 
-	initSF->size();
 	std::vector<uint32_t> in_component;
 	try
 	{
@@ -491,7 +490,7 @@ bool TreeIso::Final_seg_pcd(ccPointCloud* pc, const unsigned PR_MIN_NN3, const f
 	}
 
 	CCCoreLib::ScalarField* initSF = pc->getScalarField(initIdx);
-	initSF->size();
+
 	std::vector<uint32_t> segs_init_ids;
 	segs_init_ids.resize(pointCount);
 	for (unsigned i = 0; i < pointCount; ++i)
@@ -506,7 +505,6 @@ bool TreeIso::Final_seg_pcd(ccPointCloud* pc, const unsigned PR_MIN_NN3, const f
 		return false;
 	}
 
-	groupSF->size();
 	std::vector<uint32_t> segs_group_ids;
 	segs_group_ids.resize(pointCount);
 

src/qTreeIso.cpp

@@ -107,7 +107,7 @@ QList<QAction *> qTreeIso::getActions()
 void qTreeIso::doAction()
 {
 	Parameters parameters;
-	ccTreeIsoDlg treeisoDlg(m_app->getMainWindow());
+	ccTreeIsoDlg treeisoDlg(m_app ? m_app->getMainWindow() : nullptr);
 
 	connect(treeisoDlg.pushButtonInitSeg, &QPushButton::clicked, [&]
 		{