\( \newcommand{\E}{\mathrm{E}} \) \( \newcommand{\A}{\mathrm{A}} \) \( \newcommand{\R}{\mathrm{R}} \) \( \newcommand{\N}{\mathrm{N}} \) \( \newcommand{\Q}{\mathrm{Q}} \) \( \newcommand{\Z}{\mathrm{Z}} \) \( \def\ccSum #1#2#3{ \sum_{#1}^{#2}{#3} } \def\ccProd #1#2#3{ \sum_{#1}^{#2}{#3} }\)

CGAL 4.8 - Triangulated Surface Mesh Simplification

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CGAL::Surface_mesh_simplification::Constrained_placement< BasePlacement, EdgeIsConstrainedMap > Class Template Reference
Triangulated Surface Mesh Simplification Reference

`#include <CGAL/Surface_mesh_simplification/Policies/Edge_collapse/Constrained_placement.h>`

## Inherits from

BasePlacement.

## Definition

The class `Constrained_placement` is a model for the `GetPlacement` concept provided the template parameter `BasePlacement` is such a model.

The placement of the vertex resulting from a contraction of an edge adjacent to a constrained edge is the point of the common vertex. Otherwise the placement is the one computed by `BasePlacement`.

Template Parameters

  BasePlacement | a model of `GetPlacement`.
  EdgeIsConstrainedMap | a model of `boost::ReadablePropertyMap` with `GetPlacement::Profile::edge_descriptor` as key type and `bool` as value type indicating if an edge is constrained.

Is Model Of:
  `GetPlacement`

## Creation
| Constrained_placement (EdgeIsConstrainedMap map=EdgeIsConstrainedMap(), BasePlacement base=BasePlacement())
| Constructor.