Manage and Operate on Triangle 3 Meshes

The package pysdic provides functions to operate on 3-node triangular surface meshes embedded in 3D space.

Create and manipulate triangle 3 meshes from open3d

The following functions allow you to create and manipulate triangle 3 meshes from open3d:

triangle_3_mesh_from_open3d(mesh[, ...])	Create a Mesh (element_type = "triangle_3") instance from an Open3D TriangleMesh object.
triangle_3_mesh_to_open3d(mesh[, legacy, uvmap])	Convert the Mesh (element_type = "triangle_3") instance to an Open3D TriangleMesh object.

Compute geometric properties of triangle 3 meshes

The following functions allow you to compute geometric properties of triangle 3 meshes, such as areas, strains, normals, etc.:

triangle_3_cast_rays(vertices_coordinates, ...)	Cast rays into a triangular mesh and compute the intersection points.
triangle_3_compute_elements_areas(...)	Compute the areas of triangular elements defined by the given vertices and connectivity.
triangle_3_compute_elements_strains(...)	Compute the strain tensor for each triangular element in the mesh given the vertex displacements.
triangle_3_compute_elements_normals(...)	Compute the normal vectors of triangular elements defined by the given vertices and connectivity.
triangle_3_compute_vertices_normals(...)	Compute the normal vectors at each vertex of a triangular mesh.