traingle_signed_area¶
- traingle_signed_area(triangle)[source]¶
Determine the signed area of a triangle.
- Parameters
triangle (ArrayLike) – A 3x2 list of coordinates.
- Returns
- The signed area of the triange. It will be negative if
the triangle has a clockwise winding, negative if the triangle has a counter-clockwise winding, and zero if the triangles points are collinear.
- Return type