def mesh_update_vertex_attributes(mesh, keys, names=None):
"""Update the attributes of the vertices of a mesh.
Parameters
----------
mesh : compas.datastructures.Mesh
A mesh object.
keys : tuple, list
The keys of the vertices to update.
names : tuple, list (None)
The names of the atrtibutes to update.
Default is to update all attributes.
Returns
-------
bool
``True`` if the update was successful.
``False`` otherwise.
See Also
--------
* :func:`mesh_update_attributes`
* :func:`mesh_update_edge_attributes`
* :func:`mesh_update_face_attributes`
"""
return VertexModifier.update_vertex_attributes(mesh, keys, names=names)
def mesh_move_vertices(mesh, keys):
"""Move on vertices of the mesh.
Parameters
----------
mesh : compas.datastructures.Mesh
A mesh object.
keys : list
The vertices to move.
constraint : Rhino.Geometry (None)
A Rhino geometry object to constrain the movement to.
By default the movement is unconstrained.
allow_off : bool (False)
Allow the vertex to move off the constraint.
"""
return VertexModifier.move_vertices(mesh, keys)
def network_move_vertex(network, key, constraint=None, allow_off=False):
"""Move on vertex of the network.
Parameters
----------
network : compas.datastructures.Network
A network object.
key : str
The vertex to move.
constraint : Rhino.Geometry (None)
A Rhino geometry object to constrain the movement to.
By default the movement is unconstrained.
allow_off : bool (False)
Allow the vertex to move off the constraint.
"""
return VertexModifier.move_vertex(network,
key,
constraint=constraint,
allow_off=allow_off)
artist = MeshArtist(mesh, layer="Cablenet")
artist.clear_layer()
artist.draw_vertices(color=vertexcolor)
artist.draw_edges(color=edgecolor)
artist.redraw()
# select mesh vertices
# update the attributes
# redraw mesh if successful
while True:
selected = VertexSelector.select_vertices(mesh)
if not selected:
break
if VertexModifier.update_vertex_attributes(mesh, selected):
artist.clear_layer()
artist.draw_vertices(color=vertexcolor)
artist.draw_edges(color=edgecolor)
# select mesh edges
# update the attributes
# redraw mesh if successful
while True:
selected = EdgeSelector.select_edges(mesh)
if not selected:
break
if EdgeModifier.update_edge_attributes(mesh, selected):
artist.clear_layer()
artist.draw_vertices(color=vertexcolor)
artist.draw_edges(color=edgecolor)
# set default vertex attributes
mesh.update_default_vertex_attributes({'is_fixed': False})
# make an artist for visualisation
artist = MeshArtist(mesh, layer='SubdModeling::Control')
# draw the control mesh
draw_mesh()
# allow the user to change the attributes of the vertices
while True:
keys = VertexSelector.select_vertices(mesh)
if not keys:
break
VertexModifier.update_vertex_attributes(mesh, keys)
draw_mesh()
# make a subd mesh (using catmullclark)
subd = mesh_subdivide(mesh,
scheme='catmullclark',
k=4,
fixed=mesh.vertices_where({'is_fixed': True}))
# give the subdivision mesh a different name
subd.attributes['name'] = 'Mesh'
# draw the result
artist.mesh = subd
artist.layer = 'SubdModeling::Mesh'
artist.clear_layer()
def redraw():
artist.clear_layer()
artist.draw_vertices()
artist.draw_edges()
artist.redraw()
# ==============================================================================
# Vertex attributes
# ==============================================================================
while True:
keys = VertexSelector.select_vertices(shell)
if not keys:
break
if VertexModifier.update_vertex_attributes(shell, keys):
shell.fofin()
redraw()
# ==============================================================================
# Export result
# ==============================================================================
shell.to_json(FILE)
# ==============================================================================
# Visualize result
# ==============================================================================
artist.clear_layer()
artist.draw_vertices()