CGAL 6.1 - Approximation of Ridges and Umbilics on Triangulated Surface Meshes

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## Enumerations
enum | CGAL::Ridge_order { CGAL::Ridge_order_3 = 3 , CGAL::Ridge_order_4 }
| The enum `Ridge_order` describes the order of differential quantities used to distinguish elliptic and hyperbolic ridges. More...
enum | CGAL::Ridge_type { CGAL::MAX_ELLIPTIC_RIDGE = 1 , CGAL::MAX_HYPERBOLIC_RIDGE , CGAL::MAX_CREST_RIDGE , CGAL::MIN_ELLIPTIC_RIDGE , CGAL::MIN_HYPERBOLIC_RIDGE , CGAL::MIN_CREST_RIDGE }
| The enum `Ridge_type` describes the types for the class `Ridge_line`. More...
enum | CGAL::Umbilic_type { CGAL::NON_GENERIC_UMBILIC , CGAL::ELLIPTIC_UMBILIC , CGAL::HYPERBOLIC_UMBILIC }
| The enum `Umbilic_type` describes the types for the class `Umbilic`. More...

## Enumeration Type Documentation

## ◆ Ridge_order

enum CGAL::Ridge_order

`#include <CGAL/Ridges.h>`

The enum `Ridge_order` describes the order of differential quantities used to distinguish elliptic and hyperbolic ridges.

Third or fourth order quantities may be used as explained in Section Approximating Ridges on Triangulated Surface Meshes of the User Manual.

See also
  `Ridge_approximation`

Enumerator
Ridge_order_3 |
Ridge_order_4 |

## ◆ Ridge_type

enum CGAL::Ridge_type

`#include <CGAL/Ridges.h>`

The enum `Ridge_type` describes the types for the class `Ridge_line`.

See also
  `Ridge_line`

Enumerator
MAX_ELLIPTIC_RIDGE |
MAX_HYPERBOLIC_RIDGE |
MAX_CREST_RIDGE |
MIN_ELLIPTIC_RIDGE |
MIN_HYPERBOLIC_RIDGE |
MIN_CREST_RIDGE |

## ◆ Umbilic_type

enum CGAL::Umbilic_type

`#include <CGAL/Umbilics.h>`

The enum `Umbilic_type` describes the types for the class `Umbilic`.

See also
  `Umbilic`

Enumerator
NON_GENERIC_UMBILIC |
ELLIPTIC_UMBILIC |
HYPERBOLIC_UMBILIC |