Face: definition (structure)
Definition
A face is defined by:
- a number
- a type
- specific characteristics belonging to a type
- its nature
Number
The number to identify the face is automatically allocated by Flux during the face construction.
Types of faces
The different types of faces and the characteristics useful for their description are gathered in the tables below:
| Face built by Flux | Description | ||
|---|---|---|---|
| automatic | none | ||
| structured | bottom line (origin) | side lines (linked elements) | upper line (image) |
| Imported face | Description | |
|---|---|---|
| a list of facets | the type of surface | number of list |
| complex | Cascade identifier | coordinates system |
Nature of faces
A specific feature, called nature, is attached to the faces. This attribute allows to set the following functions:
| Nature | The entity is taken into account for: | |
|---|---|---|
| the geometry | the mesh | |
| standard (STANDARD) | yes | yes |
| in air (IN_AIR) | no | yes |
| ignored (NO_EXIST) | no | no |