def volmesh_select_vertex(volmesh):
"""Select a vertex of a volmesh.
Parameters
----------
volmesh : compas.datastructures.VolMesh
A volmesh object.
Returns
-------
key : int, str, tuple, frozenset
The identifier or *key* of the selected vertex.
None
If no vertex was selected.
Examples
--------
>>> key = volmesh_select_vertex(volmesh)
See Also
--------
* volmesh_select_vertices
"""
return VertexSelector.select_vertex(volmesh)
def network_select_vertices(network, message="Select network vertices."):
"""Select vertices of a network.
Parameters
----------
network : compas.datastructures.Network
A network object.
message : str ("Select network vertices.")
The message to display to the user.
Returns
-------
list
The keys of the selected vertices.
Examples
--------
>>>
See Also
--------
* :func:`network_select_vertex`
"""
return VertexSelector.select_vertices(network)
def mesh_select_vertex(mesh, message="Select a mesh vertex"):
"""Select one vertex of a mesh.
Parameters
----------
mesh : compas.datastructures.Mesh
A mesh object.
message : str ("Select a mesh vertex.")
The message to display to the user.
Returns
-------
hashable
The key of the selected vertex.
See Also
--------
* :func:`mesh_select_vertices`
"""
return VertexSelector.select_vertex(mesh)
def mesh_select_vertices(mesh, message="Select mesh vertices."):
"""Select vertices of a mesh.
Parameters
----------
mesh : compas.datastructures.Mesh
A mesh object.
message : str ("Select mesh vertices.")
The message to display to the user.
Returns
-------
list
The keys of the selected vertices.
See Also
--------
* :func:`mesh_select_edges`
* :func:`mesh_select_faces`
"""
return VertexSelector.select_vertices(mesh)
def volmesh_select_vertices(volmesh):
"""Select multiple vertices of a volmesh.
Parameters
----------
volmesh : compas.datastructures.VolMesh
A volmesh object.
Returns
-------
keys : list(int, str, tuple, frozenset)
The identifiers or *keys* of the selected vertices.
Examples
--------
>>> keys = volmesh_select_vertices(volmesh)
See Also
--------
* volmesh_select_vertex
"""
return VertexSelector.select_vertices(volmesh)
def network_select_vertex(network, message="Select a network vertex"):
"""Select one vertex of a network.
Parameters
----------
network : compas.datastructures.Network
A network object.
message : str ("Select a network vertex.")
The message to display to the user.
Returns
-------
str
The key of the selected vertex.
None
If no vertex was selected.
See Also
--------
* :func:`network_select_vertices`
"""
return VertexSelector.select_vertex(network)
xyz = fd_cpp(vertices, edges, fixed, q, loads)
for key, attr in network.vertices(True):
attr['x'] = xyz[key][0]
attr['y'] = xyz[key][1]
attr['z'] = xyz[key][2]
artist.draw_vertices(color={key: '#ff0000' for key in network.leaves()})
artist.draw_edges(color='#000000')
artist.redraw()
# select and drag one of the anchors
# update equilibrium using *OnDynamicDraw*
move = VertexSelector.select_vertex(network)
move = int(move)
sp = network.vertex_coordinates(move)
ep = sp[:]
ep[2] += 1
vertical = Line(Point3d(*sp), Point3d(*ep))
color = FromArgb(255, 255, 255)
def OnDynamicDraw(sender, e):
global xyz
xyz[move] = list(e.CurrentPoint)
xyz = fd_cpp(xyz, edges, fixed, q, loads)