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

CGAL 4.8 - 2D Straight Skeleton and Polygon Offsetting

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2D Straight Skeleton and Polygon Offsetting Reference

##

Fernando Cacciola
This package implements an algorithm to construct a halfedge data structure representing the straight skeleton in the interior of 2D polygons with holes and an algorithm to construct inward offset polygons at any offset distance given a straight skeleton.

Introduced in: CGAL 3.2
Depends on: Halfedge Data Structures
BibTeX: cgal:c-sspo2-16a
License: GPL
Windows Demos: 2D Straight Skeleton, Operations on Polygons
Common Demo Dlls: dlls

## Classified Reference Pages

## Concepts

- `StraightSkeletonVertex_2`
- `StraightSkeletonHalfedge_2`
- `StraightSkeletonFace_2`
- `StraightSkeleton_2`
- `StraightSkeletonBuilder_2_Visitor`
- `StraightSkeletonBuilderTraits_2`
- `StraightSkeletonItemsConverter_2`
- `PolygonOffsetBuilderTraits_2`
- `VertexContainer_2`

## Classes

- `CGAL::Straight_skeleton_vertex_base_2`
- `CGAL::Straight_skeleton_halfedge_base_2`
- `CGAL::Straight_skeleton_face_base_2`
- `CGAL::Straight_skeleton_2`
- `CGAL::create_interior_straight_skeleton_2`
- `CGAL::create_exterior_straight_skeleton_2`
- `CGAL::Straight_skeleton_builder_traits_2`
- `CGAL::Straight_skeleton_builder_2`
- `CGAL::Straight_skeleton_items_converter_2`
- `CGAL::Straight_skeleton_converter_2`
- `CGAL::Polygon_offset_builder_traits_2`
- `CGAL::Polygon_offset_builder_2`
- `CGAL::Dummy_straight_skeleton_builder_2_visitor`

## Functions

- `CGAL::create_exterior_straight_skeleton_2()`
- `CGAL::create_interior_straight_skeleton_2()`
- `CGAL::create_offset_polygons_2()`
- `CGAL::create_exterior_skeleton_and_offset_polygons_2()`
- `CGAL::create_exterior_skeleton_and_offset_polygons_with_holes_2()`
- `CGAL::create_interior_skeleton_and_offset_polygons_2()`
- `CGAL::create_interior_skeleton_and_offset_polygons_with_holes_2()`
- `CGAL::arrange_offset_polygons_2()`
- `CGAL::compute_outer_frame_margin()`
- `CGAL::convert_straight_skeleton_2()`

## Modules
| Concepts
| Classes
| Auxiliary Classes
| Functions