HalfEdge Operations

Functions for operating on half-edge data structures. More...

Functions
VertexHandle	HalfedgeOperation::get_vert (const MeshType &a_Mesh, HalfedgeHandle &a_HalfedgeHandle, const std::vector< int > a_Commands)
	Halfedge operation to get one vert. Will return the last vertex handle if multiple get commands are given to get.
VertexHandle	HalfedgeOperation::get_vert_fixed_halfedge (const MeshType &a_Mesh, HalfedgeHandle a_HalfedgeHandle, const std::vector< int > a_Commands)
	Halfedge operation to get one vert.
std::vector< VertexHandle >	HalfedgeOperation::get_verts (const MeshType &a_Mesh, HalfedgeHandle &a_HalfedgeHandle, const std::vector< int > a_Commands)
	Halfedge operation to get multiple vertices.
std::vector< VertexHandle >	HalfedgeOperation::get_verts_fixed_halfedge (const MeshType &a_Mesh, HalfedgeHandle a_HalfedgeHandle, const std::vector< int > a_Commands)
	Halfedge operation to get multiple vertices.
FaceHandle	HalfedgeOperation::get_face (const MeshType &a_Mesh, HalfedgeHandle &a_HalfedgeHandle, const std::vector< int > a_Commands)
	Halfedge operation to get one face.
void	HalfedgeOperation::init_verts (const MeshType &a_Mesh, HalfedgeHandle a_HalfedgeHandle, std::vector< VertexHandle > &a_TargetVertexHandles, const std::vector< std::vector< int > > &a_OrderOfVertIdx, const std::vector< int > &a_CommandForOneSet)
	Fill the TargetVertexHandles vector by given the index ordering and commands. The same commands will run a_OrderOfVertIdx.size() times.
void	HalfedgeOperation::init_verts (const MeshType &a_Mesh, HalfedgeHandle &a_HalfedgeHandle, std::vector< VertexHandle > &a_TargetVertexHandles, const std::vector< int > &a_OrderOfVertIdx, const std::vector< int > &a_Commands)
	Fill the TargetVertexHandles vector by given the index ordering and commands.
void	HalfedgeOperation::init_verts_fixed_halfedge (const MeshType &a_Mesh, HalfedgeHandle a_HalfedgeHandle, std::vector< VertexHandle > &a_TargetVertexHandles, const std::vector< int > &a_OrderOfVertIdx, const std::vector< int > &a_Commands)
	Fill the TargetVertexHandles vector by given the index ordering and commands.
std::vector< int >	HalfedgeOperation::duplicate_commands (int a_Times, const std::vector< int > &a_Commands)
	Duplicate commands by specific times.

Detailed Description

Functions for operating on half-edge data structures.

Function Documentation

duplicate_commands()

std::vector< int > HalfedgeOperation::duplicate_commands	(	int	a_Times,
		const std::vector< int > &	a_Commands )

Duplicate commands by specific times.

Parameters

a_Times	The number of times to duplicate the commands
a_Commands	The commands to be duplicated

get_face()

FaceHandle HalfedgeOperation::get_face	(	const MeshType &	a_Mesh,
		HalfedgeHandle &	a_HalfedgeHandle,
		const std::vector< int >	a_Commands )

Halfedge operation to get one face.

Parameters

a_Mesh	The mesh containing the halfedge.
a_HalfedgeHandle	The halfedge handle to start from.
a_Commands	A vector of commands to execute. Commands: 1=next halfedge, 2=previous halfedge, 3=opposite halfedge, 5=get from face.

Note

This function changes the input halfedge

get_vert()

VertexHandle HalfedgeOperation::get_vert	(	const MeshType &	a_Mesh,
		HalfedgeHandle &	a_HalfedgeHandle,
		const std::vector< int >	a_Commands )

Halfedge operation to get one vert. Will return the last vertex handle if multiple get commands are given to get.

Parameters

a_Mesh	The mesh containing the halfedge.
a_HalfedgeHandle	The halfedge handle to start from. This will be modified by the function.
a_Commands	A vector of commands to execute. Commands: 1=next halfedge, 2=previous halfedge, 3=opposite halfedge, 4=get from vertex

Returns

The vertex handle obtained after executing the commands.

Note

This function changes the input halfedge

get_vert_fixed_halfedge()

VertexHandle HalfedgeOperation::get_vert_fixed_halfedge	(	const MeshType &	a_Mesh,
		HalfedgeHandle	a_HalfedgeHandle,
		const std::vector< int >	a_Commands )

Halfedge operation to get one vert.

Parameters

a_Mesh	The mesh containing the halfedge.
a_HalfedgeHandle	The halfedge handle to start from. This will be modified by the function.
a_Commands	A vector of commands to execute. Commands: 1=next halfedge, 2=previous halfedge, 3=opposite halfedge, 4=get from vertex

Returns

The vertex handle obtained after executing the commands.

Note

This function will not change the input halfedge

get_verts()

std::vector< VertexHandle > HalfedgeOperation::get_verts	(	const MeshType &	a_Mesh,
		HalfedgeHandle &	a_HalfedgeHandle,
		const std::vector< int >	a_Commands )

Halfedge operation to get multiple vertices.

Parameters

a_Mesh	The mesh containing the halfedge.
a_HalfedgeHandle	The halfedge handle to start from. This will be modified by the function.
a_Commands	A vector of commands to execute. Commands: 1=next halfedge, 2=previous halfedge, 3=opposite halfedge, 4=get from vertex

Note

This function will changle the input halfedge

get_verts_fixed_halfedge()

std::vector< VertexHandle > HalfedgeOperation::get_verts_fixed_halfedge	(	const MeshType &	a_Mesh,
		HalfedgeHandle	a_HalfedgeHandle,
		const std::vector< int >	a_Commands )

Halfedge operation to get multiple vertices.

Parameters

a_Mesh	The mesh containing the halfedge.
a_HalfedgeHandle	The halfedge handle to start from. This will be modified by the function.
a_Commands	A vector of commands to execute. Commands: 1=next halfedge, 2=previous halfedge, 3=opposite halfedge, 4=get from vertex

Note

This function will not changle the input halfedge

init_verts() [1/2]

void HalfedgeOperation::init_verts	(	const MeshType &	a_Mesh,
		HalfedgeHandle &	a_HalfedgeHandle,
		std::vector< VertexHandle > &	a_TargetVertexHandles,
		const std::vector< int > &	a_OrderOfVertIdx,
		const std::vector< int > &	a_Commands )

Fill the TargetVertexHandles vector by given the index ordering and commands.

Parameters

a_Mesh	The mesh containing the halfedge.
a_HalfedgeHandle	The halfedge handle to start from.
a_TargetVertexHandles	The target vector to be filled.
a_OrderOfVertIdx	A vector of indices to indicate the target index in a_TargetVertexHandles.
a_Commands	A vector of commands to execute. Commands: 1=next halfedge, 2=previous halfedge, 3=opposite halfedge, 4=get from vertex

Note

This function will change the input halfedge!

init_verts() [2/2]

void HalfedgeOperation::init_verts	(	const MeshType &	a_Mesh,
		HalfedgeHandle	a_HalfedgeHandle,
		std::vector< VertexHandle > &	a_TargetVertexHandles,
		const std::vector< std::vector< int > > &	a_OrderOfVertIdx,
		const std::vector< int > &	a_CommandForOneSet )

Fill the TargetVertexHandles vector by given the index ordering and commands. The same commands will run a_OrderOfVertIdx.size() times.

Parameters

a_Mesh	The mesh containing the halfedge.
a_HalfedgeHandle	The halfedge handle to start from.
a_TargetVertexHandles	The target vector to be filled.
a_OrderOfVertIdx	A vector of vector of indices to indicate the target index in a_TargetVertexHandles. Each inner vector indicates one set of indices for one run of commands.
a_CommandForOneSet	A vector of commands to execute for one set of indices. Comands: 1=next halfedge, 2=previous halfedge, 3=opposite halfedge, 4=get from vertex

Note

The input halfedge will not be changed after this function. However, the halfedge will be changed in between each run of commands.

init_verts_fixed_halfedge()

void HalfedgeOperation::init_verts_fixed_halfedge	(	const MeshType &	a_Mesh,
		HalfedgeHandle	a_HalfedgeHandle,
		std::vector< VertexHandle > &	a_TargetVertexHandles,
		const std::vector< int > &	a_OrderOfVertIdx,
		const std::vector< int > &	a_Commands )

Fill the TargetVertexHandles vector by given the index ordering and commands.

Parameters

a_Mesh	The mesh containing the halfedge.
a_HalfedgeHandle	The halfedge handle to start from.
a_TargetVertexHandles	The target vector to be filled.
a_OrderOfVertIdx	A vector of indices to indicate the target index in a_TargetVertexHandles.
a_Commands	A vector of commands to execute. Commands: 1=next halfedge, 2=previous halfedge, 3=opposite halfedge, 4=get from vertex

Note

This function will not change the input halfedge!