geometry-processing-package's Introduction

Geometry Processing Package

algebra

Function	Description
compute_adjacency_matrix.m	- compute adjacency matrix
compute_bd.m	- find boundary
compute_connectivity.m	- find connectivity information
compute_dual_graph.m	- compute dual graph of mesh
compute_edge.m	- find edges
compute_face_ring.m	- find face ring of all face
compute_halfedge.m	- find halfedges
compute_vertex_face_ring.m	- find face ring of all vertex
compute_vertex_ring.m	- find vertex ring of all/any vertex
face_area.m	- compute all face area
generalized_laplacian.m	- discretize generalized laplace operator on mesh
gradient.m	- discretize gradient operator on mesh
laplace_beltrami.m	- discretize Laplace Beltrami on mesh
vertex_area.m	- compute vertex area

graphics

Function	Description
plot_mesh.m	- plot mesh
plot_path.m	- plot path on mesh

io

Function	Description
read_obj.m	- read mesh data from obj file
read_off.m	- read mesh data from off file
read_ply.m	- read mesh data from ply file
write_obj.m	- write mesh data to obj file
write_off.m	- write mesh data to off file
write_ply.m	- write mesh data to ply file

misc

Function	Description
sparse_to_csc.m	- convert sparse matrix to csc format
sparse_to_csr.m	- convert sparse matrix to csr format
csc_to_sparse.m	- convert csc format to sparse matrix
csr_to_sparse.m	- convert csr format to sparse matrix

parameterization

Function	Description
disk_harmonic_map.m	- harmonic map from surface to unit disk
rect_harmonic_map.m	- harmonic map from surface to unit square
spherical_conformal_map.m	- spherical conformal map from genus zero surface to unit sphere

topology

Function	Description
clean_mesh.m	- clean mesh by removing unreferenced vertex
compute_greedy_homotopy_basis.m	- compute a basis of homotopy group
compute_homology_basis.m	- compute a basis of homology group
cut_graph.m	- find a cut graph of mesh
dijkstra.m	- dijkstra shortest path algorithm
minimum_spanning_tree.m	- Prim's minimum spanning tree algorithm
slice_mesh.m	- slice mesh open along a collection of edges

tutorial

Function	Description
tutorial0	- a quick start tutorial
tutorial1	- a tutorial brings you go through the package
tutorial2	- a tutorial brings you go through the advanced functions of the package

geometry-processing-package's People

Contributors

Stargazers

Watchers

geometry-processing-package's Issues

Cut sphere to disk

I thought I could use the greedy homotopy basis to cut a manifold surface to a disk. For a donut this worked, but for a sphere I the edges returned by compute_greedy_homotopy_basis are empty. Is this expected behavior?

I attached the sphere as PLY file for your reference.

Sphere.zip