SurfaceMeshTopology Class Reference

Compute various topological characteristics of a surface mesh component. More...

#include <easy3d/algo/surface_mesh_topology.h>

Public Member Functions
	SurfaceMeshTopology (const SurfaceMeshComponent *comp)
	Construct with the surface mesh component to analyze.
int	euler_poincare () const
	Returns the Euler-Poincare characteristic.
std::size_t	number_of_borders () const
	Returns the number of borders.
std::size_t	largest_border_size () const
	Returns the number of edges in the largest border.
bool	is_closed () const
	Returns if the surface is closed.
bool	is_sphere () const
	Returns if the surface is topologically equivalent to a sphere.
bool	is_disc () const
	Returns if the surface is topologically equivalent to a disc.
bool	is_cylinder () const
	Returns if the surface is topologically equivalent to a cylinder.
bool	is_torus () const
	Returns if the surface is topologically equivalent to a torus.

Detailed Description

Compute various topological characteristics of a surface mesh component.

Constructor & Destructor Documentation

SurfaceMeshTopology()

SurfaceMeshTopology ( const SurfaceMeshComponent * comp )

explicit

Construct with the surface mesh component to analyze.

Parameters

comp	The surface mesh component to analyze.

Member Function Documentation

euler_poincare()

int euler_poincare

(

)

const

Returns the Euler-Poincare characteristic.

Returns

1 for a disc, 2 for a sphere.

is_closed()

bool is_closed ( ) const

inline

Returns if the surface is closed.

Returns

True if the surface is closed, false otherwise.

is_cylinder()

bool is_cylinder ( ) const

inline

Returns if the surface is topologically equivalent to a cylinder.

Returns

True if the surface is topologically equivalent to a cylinder, false otherwise.

is_disc()

bool is_disc ( ) const

inline

Returns if the surface is topologically equivalent to a disc.

Returns

True if the surface is topologically equivalent to a disc, false otherwise.

is_sphere()

bool is_sphere ( ) const

inline

Returns if the surface is topologically equivalent to a sphere.

Returns

True if the surface is topologically equivalent to a sphere, false otherwise.

is_torus()

bool is_torus ( ) const

inline

Returns if the surface is topologically equivalent to a torus.

Returns

True if the surface is topologically equivalent to a torus, false otherwise.

largest_border_size()

std::size_t largest_border_size ( ) const

inline

Returns the number of edges in the largest border.

Returns

The number of edges in the largest border.

number_of_borders()

std::size_t number_of_borders ( ) const

inline

Returns the number of borders.

Returns

0 for a closed surface.

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

• G:/3_code/Easy3D/easy3d/algo/surface_mesh_topology.h
• G:/3_code/Easy3D/easy3d/algo/surface_mesh_topology.cpp