'start': mesh.vertex_coordinates(u, 'xy'),
'end': mesh.vertex_coordinates(v, 'xy'),
'color': '#cccccc',
'width': 0.5
})
plotter.draw_lines(lines)
# draw the vertices and edges in the starting configuration
# and pause for a second before starting the dynamic visualization
plotter.draw_vertices(facecolor={
key: '#000000'
for key in mesh.vertices() if mesh.vertex_degree(key) == 2
})
plotter.draw_edges()
plotter.update(pause=0.5)
# run the smoother
xyz = smooth_centroid_cpp(vertices,
adjacency,
fixed,
kmax=kmax,
callback=callback)
# keep the plot alive
plotter.show()
mesh = Mesh.from_vertices_and_faces(vertices, faces)
key = mesh.insert_vertex(0)
fixed = [key]
plotter = MeshPlotter(mesh, figsize=(10, 7))
plotter.draw_edges(width=0.5)
def callback(mesh, k, args):
print(k)
plotter.update_edges()
plotter.update()
trimesh_remesh(
mesh,
0.5,
kmax=200,
allow_boundary_split=True,
allow_boundary_swap=True,
allow_boundary_collapse=True,
fixed=fixed,
callback=callback)
mesh_smooth_area(mesh, fixed=mesh.vertices_on_boundary())
plotter.update_edges()
plotter.update(pause=2.0)
plotter.show()
mesh = Mesh.from_obj(compas.get('faces.obj'))
u = [key for key in mesh.vertices() if mesh.vertex_degree(key) == 2][0]
plotter = MeshPlotter(mesh, figsize=(10, 7))
plotter.defaults['face.facecolor'] = '#eeeeee'
plotter.defaults['face.edgecolor'] = '#cccccc'
plotter.draw_vertices()
plotter.draw_faces()
plotter.draw_edges()
mesh_quads_to_triangles(mesh)
while True:
nbrs = mesh.vertex_neighbors(u, ordered=True)
if not nbrs:
break
for v in nbrs:
if mesh.vertex_degree(u):
if mesh.collapse_edge_tri(u, v, t=0.0, allow_boundary=True):
plotter.update_vertices()
plotter.update_faces()
plotter.update_edges()
plotter.update(0.1)
plotter.show()
'width': 0.5
})
# ==============================================================================
# make a plotter for visualisation
plotter = MeshPlotter(mesh, figsize=(10, 7), fontsize=6)
plotter.draw_lines(lines)
plotter.draw_vertices(facecolor={
key: '#000000'
for key in mesh.vertices_where({'is_fixed': True})
})
plotter.draw_edges()
plotter.update(pause=1.0)
# ==============================================================================
# define a callback for visualising the iterative process
def callback(k, xyz, crits, args):
print(k)
plotter.update_vertices()
plotter.update_edges()
plotter.update(pause=0.001)
for key, attr in mesh.vertices(True):
index = k_i[key]
attr['x'] = xyz[index, 0]
