## Polygon (plygn)

key: ** **` plygn `
type: iii(i)*

- integer: vertex index.
- integer: vertex index.
- integer: vertex index.

## Description

A polygon with arbitrary number of vertices.

## Conventions

By convention the polygon should be right handed and not self-intersecting.
Usually reserved for polygons with more than four vertices but not always.

## Examples

msh % a mesh with a square as a polygon
"" mtrlNm "mat" end
vrtxPstn
0.5 -0.5 0.0
0.5 0.5 0.0
-0.5 0.5 0.0
-0.5 -0.5 0.0
end
vrtxUV % used for texture mapping
1.0 0.0
1.0 1.0
0.0 1.0
0.0 0.0
end
plygn
0 1 2 3
end
end