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vertex_descriptor
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ep.v0 ()
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One of vertices of the edge to be collapsed.
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vertex_descriptor
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ep.v1 ()
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The other vertex of the edge to be collapsed.
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edge_descriptor
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ep.v0v1 ()
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One of the directed edges corresponding to the undirected
edge being collapsed.
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edge_descriptor
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ep.v1v0 ()
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The other directed edge corresponding to the undirected
edge being collapsed.
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Point
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ep.p0 ()
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The point of vertex v0.
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Point
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ep.p1 ()
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The point of vertex v1.
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vertex_descriptor
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ep.vL ()
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If v0v1 belongs to a finite face (is not a border edge)
the third vertex of that triangular face, a null descriptor otherwise.
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edge_descriptor
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ep.v1vL ()
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If v0v1 belongs to a finite face (is not a border edge)
the directed edge from v1 to vL, a null descriptor otherwise.
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edge_descriptor
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ep.vLv0 ()
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If v0v1 belongs to a finite face (is not a border edge)
the directed edge from vL to v0, a null descriptor otherwise.
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vertex_descriptor
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ep.vR ()
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If v1v0 belongs to a finite face (is not a border edge)
the third vertex of that triangular face, a null descriptor otherwise.
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edge_descriptor
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ep.v0vR ()
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If v1v0 belongs to a finite face (is not a border edge)
the directed edge from v0 to vR, a null descriptor otherwise.
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edge_descriptor
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ep.vRv1 ()
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If v1v0 belongs to a finite face (is not a border edge)
the directed edge from vR to v1, a null descriptor otherwise.
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std::vector<vertex_descriptor>
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ep.link ()
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The unique sequence of the vertices
around v0v1 in topological order (ccw or ccw depending
on the relative ordering of v0 and v1 in the profile).
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std::vector<edge_descriptor>
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ep.border_edges ()
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The unique collection of the border directed edges incident upon v0 and v1.
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bool
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ep.left_face_exits ()
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Indicates if v0v1 belongs to a finite face of the mesh (i.e, v0v1 is not a border edge).
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bool
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ep.right_face_exits ()
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Indicates if v0v1 belongs to a finite face of the mesh (i.e, v1v0 is not a border edge).
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