Merge pull request #974 from rinkk/MeshAnalysisDialogFix

MeshAnalysisDialog fix

Applications/DataExplorer/DataView/MeshAnalysisDialog.cpp

@@ -77,7 +77,7 @@ void MeshAnalysisDialog::nodesMsgOutput(std::vector<std::size_t> const& node_ids
 		nodes_output += "No unused nodes found.";
 	else
 	{
-		(QString::number(nNodeIds) + " nodes are not part of any element:\n");
+		nodes_output += (QString::number(nNodeIds) + " nodes are not part of any element:\n");
 		for (std::size_t i=0; i<nNodeIds; ++i)
 			nodes_output += (QString::number(node_ids[i]) + ", ");
 	}

MeshLib/MeshQuality/MeshValidation.cpp

@@ -126,6 +126,9 @@ MeshValidation::ElementErrorCodeOutput(const std::vector<ElementErrorCode> &erro
 
 unsigned MeshValidation::detectHoles(MeshLib::Mesh const& mesh)
 {
+	if (mesh.getDimension() == 1)
+		return 0;
+
 	MeshLib::Mesh* boundary_mesh (MeshSurfaceExtraction::getMeshBoundary(mesh));
 	std::vector<MeshLib::Element*> const& elements (boundary_mesh->getElements());
 

MeshLib/MeshQuality/MeshValidation.h

@@ -57,7 +57,7 @@ public:
 	 * Tests if holes are located within the mesh.
 	 * In this context, a hole is a boundary of an element with no neighbor that cannot be reached from
 	 * the actual boundary of the mesh. Examples include a missing triangle in a 2D mesh or a missing
-	 * Tetrahedron in a 3D mesh.
+	 * Tetrahedron in a 3D mesh. The method does not work for 1d-meshes.
 	 * Note, that this method does not work when complex 3D structures are build from 2D mesh elements,
 	 * e.g. using the LayeredVolume-class, where more than two 2D elements may share an edge.
 	 * @param mesh The mesh that is tested