OFF (file format)
Filename extension |
.off |
---|---|
Type of format | 3D model format |
OFF is a geometry definition file format containing the description of the composing polygons of the 3D object.
Composition
- first line: number of points, number of faces, number of lines
- list of points: X, Y and Z coordinates
- list of faces: number of points, followed by the sequence number of the composing points (indexed from zero)
Example
OFF
# cube.off
# A cube
8 6 12
1.0 0.0 1.0
0.0 1.0 1.0
-1.0 0.0 1.0
0.0 -1.0 1.0
1.0 0.0 -1.0
0.0 1.0 -1.0
-1.0 0.0 -1.0
0.0 -1.0 -1.0
4 0 1 2 3
4 7 4 0 3
4 4 5 1 0
4 5 6 2 1
4 3 2 6 7
4 6 5 4 7