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

CGAL 4.8 - 3D Mesh Generation

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LabeledImage_3 Concept Reference
Secondary Concepts

## Definition

The concept `LabeledImage_3` describes the requirements for the second template parameter of the class `CGAL::Labeled_image_mesh_domain_3<Image,BGT>` which represents mesh domains defined by 3D labeled images. A 3D labeled image is a 3D array of elements of an integral type `Type`. `Type` can be `bool`, `char`, `short`, `int`, or `long` (signed or not). Such an array is associated to a 3D axis-aligned regular grid, in \( \mathbb{R}^3\). A cell of this grid is denoted by voxel. A voxel is an iso-cuboid of size `vx()`, `vy()`, and `vz()`.

Has Models:
  `CGAL::Image_3<Kernel, T>`, for any CGAL kernel `K` and any integral type `T`

## Types
typedef unspecified_type | Type
| Type of voxel data. More...
typedef unspecified_type | RT
| Ring number type.

## Operations
int | xdim ()
| First dimension of the 3D array, i.e., the number of voxels along the x coordinate axis.
int | ydim ()
| Second dimension of the 3D array.
int | zdim ()
| Third dimension of the 3D array.
RT | vx ()
| Size of each voxel along x coordinate axis.
RT | vy ()
| Size of each voxel along y coordinate axis.
RT | vz ()
| Size of each voxel along z coordinate axis.
const Type * | data ()
| Pointer to the first element of the 3D image. More...

## Member Typedef Documentation

typedef unspecified_type LabeledImage_3::Type

Type of voxel data.

Must be an integral type.

## Member Function Documentation

const Type* LabeledImage_3::data | ( | ) |  |

Pointer to the first element of the 3D image.

The size of the array must be `xdim()` \( \times\)`ydim()` \( \times\)`zdim()`.