The MeshComponents class searches for topologic independent segments of the given mesh structure. More...

#include <TopoAlgorithm.h>

Classes
struct	CNofFacetsCompare

Public Types
enum	TMode { OverEdge , OverPoint }

Public Member Functions
	MeshComponents (const MeshKernel &rclMesh)
	Some important formulas: More...

void	SearchForComponents (TMode tMode, const std::vector< FacetIndex > &aSegment, std::vector< std::vector< FacetIndex > > &aclT) const
	Does basically the same as the method above escept that only the faces in aSegment are regarded. More...

void	SearchForComponents (TMode tMode, std::vector< std::vector< FacetIndex > > &aclT) const
	Searches for 'isles' of the mesh. More...

	~MeshComponents ()

Detailed Description

The MeshComponents class searches for topologic independent segments of the given mesh structure.

Author: Werner Mayer

Member Enumeration Documentation

◆ TMode

enum MeshCore::MeshComponents::TMode

Enumerator
OverEdge
OverPoint

Constructor & Destructor Documentation

◆ MeshComponents()

MeshComponents::MeshComponents ( const MeshKernel & rclMesh )

Some important formulas:

Ne = 3Nv - Nb + 3B + 6(G-R) Nt = 2Nv - Nb + 2B + 4(G-R)

Ne <= 3Nv + 6(G-R) Nt <= 2Nv + 4(G-R)

Ne ~ 3Nv, Nv >> G, Nv >> R Nt ~ 2Nv, Nv >> G, Nv >> R

Ne = #Edges Nt = #Facets Nv = #Vertices Nb = #Boundary vertices B = #Boundaries G = Genus (Number of holes) R = #components

◆ ~MeshComponents()

MeshComponents::~MeshComponents ( )

Member Function Documentation

◆ SearchForComponents() [1/2]

void MeshComponents::SearchForComponents	(	TMode	tMode,
		const std::vector< FacetIndex > &	aSegment,
		std::vector< std::vector< FacetIndex > > &	aclT
	)		const

Does basically the same as the method above escept that only the faces in aSegment are regarded.

References MeshCore::MeshAlgorithm::CountFacetFlag(), MeshCore::FACET_INDEX_MAX, OverEdge, OverPoint, MeshCore::MeshAlgorithm::ResetFacetsFlag(), MeshCore::MeshAlgorithm::SetFacetFlag(), and MeshCore::MeshFacet::VISIT.

◆ SearchForComponents() [2/2]

void MeshComponents::SearchForComponents	(	TMode	tMode,
		std::vector< std::vector< FacetIndex > > &	aclT
	)		const

Searches for 'isles' of the mesh.

If tMode is OverEdge then facets sharing the same edge are regarded as connected, if tMode is OverPoint then facets sharing a common point are regarded as connected.

References SearchForComponents().

Referenced by Mesh::MeshObject::countComponents(), MeshGui::MeshSelection::deselectComponent(), MeshCore::MeshTopoAlgorithm::FindComponents(), Mesh::MeshObject::getComponents(), SearchForComponents(), and MeshGui::MeshSelection::selectComponent().

The documentation for this class was generated from the following files:

FreeCAD/src/Mod/Mesh/App/Core/TopoAlgorithm.h
FreeCAD/src/Mod/Mesh/App/Core/TopoAlgorithm.cpp

Classes

Public Types

Public Member Functions