contrib/brl/bbas/imesh/imesh_detection.cxx File Reference

#include "imesh_detection.h"
#include <vcl_cassert.h>

Go to the source code of this file.

Functions
vcl_vector< vcl_vector < unsigned int > >	imesh_detect_boundary_loops (const imesh_half_edge_set &half_edges)
	Return the indices of half edges that are on the mesh boundary.
bool	imesh_trace_half_edge_loops (const imesh_half_edge_set &half_edges, const vcl_vector< bool > &flags, vcl_vector< vcl_vector< unsigned int > > &loops)
	Trace half edges that have been selected into loops.
vcl_vector< vcl_vector < unsigned int > >	imesh_detect_contour_generator (const imesh_mesh &mesh, const vgl_vector_3d< double > &dir)
	Return the indices of contour half edges as seen from direction.
vcl_vector< bool >	imesh_detect_contours (const imesh_mesh &mesh, vgl_vector_3d< double > dir)
	Mark contour half edges as seen from direction.
vcl_vector< vcl_vector < unsigned int > >	imesh_detect_contour_generator (const imesh_mesh &mesh, const vgl_point_3d< double > &pt)
	Return the indices of contour half edges as seen from center of projection.
vcl_vector< bool >	imesh_detect_contours (const imesh_mesh &mesh, const vgl_point_3d< double > &pt)
	Mark contour half edges as seen from center of projection.
vcl_vector< vcl_set< unsigned int > >	imesh_detect_connected_components (const imesh_half_edge_set &he)
	Segment the faces into groups of connected components.
vcl_set< unsigned int >	imesh_detect_connected_faces (const imesh_half_edge_set &he, unsigned int face)
	Compute the set of all faces in the same connected component as face.

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Detailed Description

Definition in file imesh_detection.cxx.

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Function Documentation

vcl_vector<vcl_vector<unsigned int> > imesh_detect_boundary_loops

(

const imesh_half_edge_set &

half_edges

)

Return the indices of half edges that are on the mesh boundary.

The results are organized into loops

Definition at line 11 of file imesh_detection.cxx.

vcl_vector<vcl_set<unsigned int> > imesh_detect_connected_components

(

const imesh_half_edge_set &

he

)

Segment the faces into groups of connected components.

Definition at line 194 of file imesh_detection.cxx.

vcl_set<unsigned int> imesh_detect_connected_faces	(	const imesh_half_edge_set &	he,
		unsigned int	face
	)

Compute the set of all faces in the same connected component as face.

Definition at line 212 of file imesh_detection.cxx.

vcl_vector<vcl_vector<unsigned int> > imesh_detect_contour_generator	(	const imesh_mesh &	mesh,
		const vgl_vector_3d< double > &	dir
	)

Return the indices of contour half edges as seen from direction.

Parameters:

dir.	The results are organized into loops

Definition at line 86 of file imesh_detection.cxx.

vcl_vector<vcl_vector<unsigned int> > imesh_detect_contour_generator	(	const imesh_mesh &	mesh,
		const vgl_point_3d< double > &	pt
	)

Return the indices of contour half edges as seen from center of projection.

Parameters:

pt.	The results are organized into loops

Definition at line 141 of file imesh_detection.cxx.

vcl_vector<bool> imesh_detect_contours	(	const imesh_mesh &	mesh,
		vgl_vector_3d< double >	dir
	)

Mark contour half edges as seen from direction.

Parameters:

dir.	For each contour edge the half edge with the face normal opposing dir is marked

Definition at line 101 of file imesh_detection.cxx.

vcl_vector<bool> imesh_detect_contours	(	const imesh_mesh &	mesh,
		const vgl_point_3d< double > &	pt
	)

Mark contour half edges as seen from center of projection.

Parameters:

pt.	For each contour edge the half edge with the face normal opposing dir is marked

Definition at line 156 of file imesh_detection.cxx.

bool imesh_trace_half_edge_loops	(	const imesh_half_edge_set &	half_edges,
		const vcl_vector< bool > &	flags,
		vcl_vector< vcl_vector< unsigned int > > &	loops
	)

Trace half edges that have been selected into loops.

Returns:

true if all half edges form loops The loops are returned in

Parameters:

loops

as vectors of half edge indices

Definition at line 39 of file imesh_detection.cxx.