triangle_areas_intrinsic

iskra.geometry.volume.triangle_areas_intrinsic(edge_lengths: Tensor, face_to_edge: Tensor) → Tensor[SOURCE]

Computes the areas of a list of triangles from edge lengths alone.

Parameters:

• edge_lengths (Tensor[Float, [E]]) – Tensor of edge lengths where Edges is the number of edges in the mesh.

• face_to_edge (Tensor[Float, [Tris, 3]]) – Indexes into edge_lengths. Usually obtained using get_subfaces.

Returns:

​ (Tensor[Float, [Tris]]) – Triangle areas.