datastructures

Classes

`Datastructure`	Base class for all data structures.
`Graph`	Base graph data structure for describing the topological relationships between nodes connected by edges.
`HalfEdge`	Base half-edge data structure for representing the topology of open oor closed surface meshes.
`HalfFace`	Base half-face data structure for representing volumetric meshes.
`Mesh`	Geometric implementation of a half edge data structure for polygon meshses.
`Network`	Geometric implementation of an edge graph.
`VolMesh`	Geometric implementation of a face data structure for volumetric meshes.
`Assembly`	A data structure for managing the connections between different parts of an assembly.
`Part`	A data structure for representing assembly parts.

Exceptions

`AssemblyError`
`FeatureError`

Functions

Network

`network_complement`	Generate the complement network of a network.
`network_count_crossings`	Count the number of crossings (pairs of crossing edges) in the network.
`network_disconnected_edges`	Get the disconnected edge groups in a network.
`network_disconnected_nodes`	Get the disconnected node groups in a network.
`network_embed_in_plane_proxy`
`network_embed_in_plane`	Embed the network in the plane.
`network_explode`	Explode a network into its connected components.
`network_find_crossings`	Identify all pairs of crossing edges in a network.
`network_find_cycles`	Find the faces of a network.
`network_is_connected`	Verify that the network is connected.
`network_is_crossed`	Verify if a network has crossing edges.
`network_is_planar_embedding`	Verify that a network is embedded in the plane without crossing edges.
`network_is_planar`	Check if the network is planar.
`network_is_xy`	Verify that a network lies in the XY plane.
`network_join_edges`	Join the edges incidental on the given node, if there are exactly two incident edges.
`network_polylines`	Join network edges into polylines.
`network_shortest_path`	Find the shortest path between two nodes of the network.
`network_smooth_centroid`	Smooth a network by moving every free node to the centroid of its neighbors.
`network_split_edge`	Split and edge by inserting a node along its length.
`network_transform`	Transform a network.
`network_transformed`	Return a transformed copy of the network.

`network_adjacency_matrix`	Creates a node adjacency matrix from a Network datastructure.
`network_connectivity_matrix`	Creates a connectivity matrix from a Network datastructure.
`network_degree_matrix`	Creates a node degree matrix from a Network datastructure.
`network_laplacian_matrix`	Construct a Laplacian matrix from a Network datastructure.

Mesh

`mesh_add_vertex_to_face_edge`	Add an existing vertex of the mesh to an existing face.
`mesh_bounding_box_xy`	Compute the (axis aligned) bounding box of a projection of the mesh in the XY plane.
`mesh_bounding_box`	Compute the (axis aligned) bounding box of a mesh.
`mesh_collapse_edge`	Collapse an edge to its first or second vertex, or to an intermediate point.
`mesh_connected_components`	Find the connected components of the mesh.
`mesh_conway_ambo`	Generates the ambo mesh from a seed mesh.
`mesh_conway_bevel`	Generates the bevel mesh from a seed mesh.
`mesh_conway_dual`	Generates the dual mesh from a seed mesh.
`mesh_conway_expand`	Generates the expand mesh from a seed mesh.
`mesh_conway_gyro`	Generates the gyro mesh from a seed mesh.
`mesh_conway_join`	Generates the join mesh from a seed mesh.
`mesh_conway_kis`	Generates the kis mesh from a seed mesh.
`mesh_conway_meta`	Generates the meta mesh from a seed mesh.
`mesh_conway_needle`	Generates the needle mesh from a seed mesh.
`mesh_conway_ortho`	Generates the ortho mesh from a seed mesh.
`mesh_conway_snub`	Generates the snub mesh from a seed mesh.
`mesh_conway_truncate`	Generates the truncate mesh from a seed mesh.
`mesh_conway_zip`	Generates the zip mesh from a seed mesh.
`mesh_delete_duplicate_vertices`	Cull all duplicate vertices of a mesh and sanitize affected faces.
`mesh_disconnected_faces`	Get the disconnected face groups in a mesh.
`mesh_disconnected_vertices`	Get the disconnected vertex groups in a mesh.
`mesh_dual`	Construct the dual of a mesh.
`mesh_explode`	Explode a mesh into its disconnected parts.
`mesh_face_adjacency`	Build a face adjacency dict.
`mesh_flatness`	Compute mesh flatness per face.
`mesh_flip_cycles`	Flip the cycle directions of all faces.
`mesh_insert_vertex_on_edge`	Insert a vertex in the faces adjacent to an edge, between the two edge vertices.
`mesh_is_connected`	Verify that the mesh is connected.
`mesh_merge_faces`	Merge two faces of a mesh over their shared edge.
`mesh_offset`	Offset a mesh.
`mesh_planarize_faces`	Planarise a set of connected faces.
`mesh_quads_to_triangles`	Convert all quadrilateral faces of a mesh to triangles by adding a diagonal edge.
`mesh_slice_plane`	Slice a mesh with a plane and construct the resulting submeshes.
`mesh_smooth_area`	Smooth a mesh by moving each vertex to the barycenter of the centroids of the surrounding faces, weighted by area.
`mesh_smooth_centerofmass`	Smooth a mesh by moving every free vertex to the center of mass of the polygon formed by the neighboring vertices.
`mesh_smooth_centroid`	Smooth a mesh by moving every free vertex to the centroid of its neighbors.
`mesh_split_edge`	Split and edge by inserting a vertex along its length.
`mesh_split_face`	Split a face by inserting an edge between two specified vertices.
`mesh_split_strip`	Split the srip of faces corresponding to a given edge.
`mesh_subdivide_catmullclark`	Subdivide a mesh using the Catmull-Clark algorithm.
`mesh_subdivide_corner`	Subdivide a mesh by cutting corners.
`mesh_subdivide_doosabin`	Subdivide a mesh following the doo-sabin scheme.
`mesh_subdivide_frames`	Subdivide a mesh by creating offset frames and windows on its faces.
`mesh_subdivide_quad`	Subdivide a mesh such that all faces are quads.
`mesh_subdivide_tri`	Subdivide a mesh using simple insertion of vertices.
`mesh_subdivide`	Subdivide the input mesh.
`mesh_substitute_vertex_in_faces`	Substitute in a mesh a vertex by another one.
`mesh_thicken`	Thicken a mesh.
`mesh_transform`	Transform a mesh.
`mesh_transformed`	Return a transformed copy of the mesh.
`mesh_unify_cycles`	Unify the cycle directions of all faces.
`mesh_unweld_edges`	Unwelds a mesh along edges.
`mesh_unweld_vertices`	Unweld a face of the mesh.
`mesh_weld`	Weld vertices of a mesh within some precision distance.
`meshes_join_and_weld`	Join and and weld meshes within some precision distance.
`meshes_join`	Join meshes without welding.
`trimesh_collapse_edge`	Collapse an edge to its first or second vertex, or to an intermediate point.
`trimesh_face_circle`	Get data on circumcentre of triangular face.
`trimesh_gaussian_curvature`	Compute the gaussian curvature at the vertices of a triangle mesh using the angular deficit.
`trimesh_mean_curvature`
`trimesh_remesh`	Remesh until all edges have a specified target length.
`trimesh_split_edge`	Split an edge of a triangle mesh.
`trimesh_subdivide_loop`	Subdivide a triangle mesh using the Loop algorithm.
`trimesh_swap_edge`	Replace an edge of the mesh by an edge connecting the opposite vertices of the adjacent faces.

`mesh_adjacency_matrix`	Creates a vertex adjacency matrix from a Mesh datastructure.
`mesh_connectivity_matrix`	Creates a connectivity matrix from a Mesh datastructure.
`mesh_contours_numpy`	Compute the contours of the mesh.
`mesh_degree_matrix`	Creates a vertex degree matrix from a Mesh datastructure.
`mesh_face_matrix`	Construct the face matrix from a Mesh datastructure.
`mesh_geodesic_distances_numpy`	Compute geodesic from the vertices of a mesh to given source vertices.
`mesh_isolines_numpy`	Compute the isolines of a specified attribute of the vertices of a mesh.
`mesh_laplacian_matrix`	Construct a Laplacian matrix with uniform weights from a mesh data structure.
`mesh_oriented_bounding_box_numpy`	Compute the (axis aligned) bounding box of a mesh.
`mesh_oriented_bounding_box_xy_numpy`	Compute the (axis aligned) bounding box of a projection of the mesh in the XY plane.
`mesh_transform_numpy`	Transform a mesh.
`mesh_transformed_numpy`	Return a transformed copy of the mesh.
`trimesh_cotangent_laplacian_matrix`	Construct the Laplacian of a triangular mesh with cotangent weights.
`trimesh_descent`	Compute the gradient per face of the heightfield of the vertices of the mesh.
`trimesh_pull_points_numpy`	Pull points onto a mesh by computing the closest point on the mesh for each of the points.
`trimesh_samplepoints_numpy`	Compute sample points on a triangle mesh surface.
`trimesh_smooth_laplacian_cotangent`	Smooth a triangle mesh using a laplacian matrix with cotangent weights.
`trimesh_vertexarea_matrix`	Compute the n x n diagonal matrix of per-vertex voronoi areas.

VolMesh

`volmesh_bounding_box`	Compute the (axis aligned) bounding box of a volmesh.
`volmesh_transform`	Transform a mesh.
`volmesh_transformed`	Return a transformed copy of the volmesh.

Assembly

datastructures
- Classes
- Exceptions
- Functions
  - Network
  - Mesh
  - VolMesh
  - Assembly

COMPAS

A computational framework for collaboration and research in Architecture, Engineering, Fabrication, and Construction.

Copyright © 2017-2021 compas-dev