def plot_network(network):
"""
Compas Network Plotter
"""
plotter=NetworkPlotter(network)
plotter.draw_nodes(radius=0.001, text='key', fontsize=15.0, facecolor=(0, 0, 0))
plotter.draw_edges()
plotter.show()
def plot(self,
vertexcolor=None,
edgecolor=None,
vertexsize=None,
edgewidth=None,
vertextext=None,
edgetext=None):
"""Plot a 2D representation of the network.
Parameters
----------
vertexcolor : dict, optional
A dictionary mapping vertex identifiers to colors.
edgecolor : dict, optional
A dictionary mapping edge identifiers to colors.
vertexsize : dict, optional
A dictionary mapping vertex identifiers to sizes.
edgewidth : dict, optional
A dictionary mapping edge identifiers to widths.
vertextext : dict, optional
A dictionary mappping vertex identifiers to labels.
edgetext : dict, optional
A dictionary mappping edge identifiers to labels.
Examples
--------
.. plot::
:include-source:
import compas
from compas.datastructures import Network
network = Network.from_obj(compas.get('lines.obj'))
network.plot()
"""
from compas_plotters import NetworkPlotter
plotter = NetworkPlotter(self)
plotter.draw_vertices(facecolor=vertexcolor,
radius=vertexsize,
text=vertextext)
plotter.draw_edges(color=edgecolor, width=edgewidth, text=edgetext)
plotter.show()
lines = []
for u, v in structure.edges():
lines.append({
'start': structure.vertex_coordinates(u, 'xy'),
'end': structure.vertex_coordinates(v, 'xy'),
'color': '#cccccc'
})
plotter = NetworkPlotter(structure, figsize=(8, 5))
plotter.draw_vertices(radius=0.005,
facecolor={
i: '#ff0000'
for i in structure.vertices_where({'is_fixed': True})
})
plotter.draw_lines(lines)
plotter.draw_edges()
def callback(X, k_i):
for key in structure.vertices():
x, y, z = X[k_i[key], :]
structure.set_vertex_attributes(key, 'xyz', [x, y, z])
plotter.update_edges()
plotter.update(pause=0.01)
drx_numpy(structure=structure,
tol=0.01,
refresh=20,
factor=30,
from compas_plotters import NetworkPlotter
network = Network.from_obj(compas.get('lines.obj'))
a = network.split_edge(0, 22)
b = network.split_edge(2, 30)
c = network.split_edge(17, 21)
d = network.split_edge(28, 16)
lines = []
for u, v in network.edges():
lines.append({
'start': network.vertex_coordinates(u, 'xy'),
'end' : network.vertex_coordinates(v, 'xy'),
'arrow': 'end',
'width': 4.0,
'color': '#00ff00'
})
plotter = NetworkPlotter(network)
plotter.draw_vertices(radius=0.2,
facecolor={key: '#ff0000' for key in (a, b, c, d)},
text={key: key for key in network.vertices()})
plotter.draw_edges(color={(u, v): '#cccccc' for u, v in network.edges()})
plotter.draw_lines(lines)
plotter.show()
# ==============================================================================
if __name__ == '__main__':
import compas
from compas.datastructures import Network
from compas_plotters import NetworkPlotter
network = Network.from_obj(compas.get('lines.obj'))
network.add_edge(6, 15)
if not network_is_planar(network):
crossings = network_find_crossings(network)
else:
crossings = []
print(crossings)
plotter = NetworkPlotter(network)
plotter.draw_vertices(radius=0.15,
text={key: key
for key in network.vertices()})
plotter.draw_edges(
color={edge: '#ff0000'
for edges in crossings for edge in edges})
plotter.show()
if __name__ == '__main__':
import compas_ags
from compas_plotters import NetworkPlotter
form = FormDiagram.from_obj(compas_ags.get('paper/fink.obj'))
lines = []
for u, v in form.edges():
lines.append({
'start': form.vertex_coordinates(u),
'end': form.vertex_coordinates(v),
'color': '#cccccc',
'width': 0.5,
})
form.identify_fixed()
vcolor = {key: '#ff0000' for key in form.fixed()}
vlabel = {key: key for key in form.vertices()}
elabel = {key: str(index) for index, key in enumerate(form.edges())}
plotter = NetworkPlotter(form, figsize=(10.0, 7.0), fontsize=8)
plotter.draw_lines(lines)
plotter.draw_vertices(facecolor=vcolor, text=vlabel, radius=0.3)
plotter.draw_edges(text=elabel)
plotter.show()
class AssemblyPlotter(Plotter):
"""An ``AssemblyPlotter`` combines the functionality of a ``NetworkPlotter``
and a ``MeshPlotter`` and uses the same set of axes for all drawing output.
Parameters
----------
assembly : Assembly
The assembly data structure.
Notes
-----
For all other relevant parameters, see ``Plotter``.
Examples
--------
>>>
"""
def __init__(self, assembly, **kwargs):
super(AssemblyPlotter, self).__init__(**kwargs)
self.assembly = assembly
self.assembly_plotter = NetworkPlotter(self.assembly, axes=self.axes)
self.block_plotter = MeshPlotter(None, axes=self.axes)
self.blockcollection = None
def draw_nodes(self, *args, **kwargs):
"""Draw the nodes of an assembly.
Parameters
----------
Examples
--------
>>>
"""
return self.assembly_plotter.draw_nodes(*args, **kwargs)
def draw_edges(self, *args, **kwargs):
"""Draw the edges of an assembly.
"""
self.assembly_plotter.draw_edges(*args, **kwargs)
def clear_blocks(self):
if self.blockcollection:
self.blockcollection.remove()
def draw_blocks(self,
nodes=None,
facecolor=None,
edgecolor=None,
edgewidth=None,
textcolor=None,
fontsize=None):
"""Draw the blocks of an assembly.
Notes
-----
The blocks are drawn as the boundaing boxes of their vertices.
"""
nodes = nodes or list(self.assembly.nodes())
node_facecolor = valuedict(
nodes, facecolor, self.block_plotter.defaults['face.facecolor'])
node_edgecolor = valuedict(
nodes, edgecolor, self.block_plotter.defaults['face.edgecolor'])
node_edgewidth = valuedict(
nodes, edgewidth, self.block_plotter.defaults['face.edgewidth'])
polygons = []
for node in nodes:
block = self.assembly.node_attribute(node, 'block')
for face in block.faces():
polygons.append({
'points': block.face_coordinates(face),
'edgecolor': node_edgecolor[node],
'edgewidth': node_edgewidth[node],
'facecolor': node_facecolor[node]
})
collection = self.draw_polygons(polygons)
self.blockcollection = collection
return collection
'start': network.vertex_coordinates(u, 'xy'),
'end': network.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 network.vertices_where({'is_fixed': True})
})
plotter.draw_edges()
plotter.update(pause=1.0)
# run the dynamic relaxation
xyz, q, f, l, r = dr(vertices,
edges,
fixed,
loads,
qpre,
fpre,
lpre,
linit,
E,
radius,
# set default font sizes
plotter.defaults['vertex.fontsize'] = 6
plotter.defaults['edge.fontsize'] = 6
# draw the vertices
plotter.draw_vertices(
text='key',
facecolor={key: '#ff0000'
for key in (path[0], path[-1])},
radius=0.15)
# set the edge widths and colors
color = {}
width = {}
text = {}
for uv in network.edges():
if uv in edges:
color[uv] = '#ff0000'
width[uv] = 5.0
elif weight[uv] >= 100:
color[uv] = '#00ff00'
width[uv] = 5.0
# text[uv] = weight[uv]
# draw the edges
plotter.draw_edges(color=color, width=width, text=text)
# show the plot
plotter.show()
from compas.datastructures import Network
from compas.utilities import pairwise
from compas_plotters import NetworkPlotter
network = Network.from_obj(compas.get('grid_irregular.obj'))
plotter = NetworkPlotter(network, figsize=(12, 7.5))
nodecolor = (0, 255, 0)
edgecolor = (0, 255, 0)
edgewidth = 3 * plotter.defaults['edge.width']
node_color = {}
edge_color = {}
edge_width = {}
start = random.choice(list(network.leaves()))
goal = random.choice(list(network.leaves()))
nodes = network.shortest_path(start, goal)
for u, v in pairwise(nodes):
node_color[v] = nodecolor
edge_color[u, v] = edge_color[v, u] = edgecolor
edge_width[u, v] = edge_width[v, u] = edgewidth
node_color[start] = (255, 0, 0)
node_color[goal] = (0, 0, 255)
plotter.draw_nodes(facecolor=node_color)
plotter.draw_edges(color=edge_color, width=edge_width)
plotter.show()
v = path[i + 1]
if v not in network.edge[u]:
u, v = v, u
edges.append([u, v])
plotter = NetworkPlotter(network, figsize=(10, 8), fontsize=6)
plotter.draw_vertices(
text={key: key
for key in network.vertices()},
facecolor={key: '#ff0000'
for key in (path[0], path[-1])},
radius=0.15)
plotter.draw_edges(color={(u, v): '#ff0000'
for u, v in edges},
width={(u, v): 5.0
for u, v in edges})
plotter.show()
# ==========================================================================
# testrun 3
# ==========================================================================
if testrun == 3:
import compas
from compas.datastructures import Network
from compas.topology import dijkstra_distances
from compas_plotters import NetworkPlotter
from compas.utilities import i_to_red
try:
ad = network.get_edge_attribute((fkey, nbr), 'angle_diff')
if ad:
continue
except:
network.add_edge(fkey, nbr, attr_dict={'angle_diff': angle_diff})
# # ==========================================================================
# # color up
# # ==========================================================================
anglemax = max(network.get_edges_attribute('angle_diff'))
print('angle diff max', anglemax)
colors = {}
for u, v, attr in network.edges(True):
angle_diff = attr['angle_diff']
color = i_to_rgb(angle_diff / anglemax)
colors[(u, v)] = color
# # ==========================================================================
# # Set up Plotter
# # ==========================================================================
plotter = NetworkPlotter(network, figsize=(12, 9))
# plotter.draw_faces(facecolor=colors)
plotter.draw_vertices(radius=0.01)
plotter.draw_edges(color=colors)
plotter.show()
import compas
from compas.datastructures import Network
from compas_plotters import NetworkPlotter
network = Network.from_obj(compas.get('grid_irregular.obj'))
node = next(network.nodes())
nbrs = network.neighbors(node)
facecolor = {node: (255, 0, 0)}
for nbr in nbrs:
facecolor[nbr] = (0, 0, 255)
edgecolor = {}
for nbr in nbrs:
edgecolor[node, nbr] = (0, 255, 0)
edgecolor[nbr, node] = (0, 255, 0)
plotter = NetworkPlotter(network, figsize=(12, 7.5))
plotter.draw_nodes(facecolor=facecolor)
plotter.draw_edges(color=edgecolor, width={edge: 2.0 for edge in edgecolor})
plotter.show()
weight = {(u, v): network.edge_length(u, v) for u, v in network.edges()}
weight.update({(v, u): weight[(u, v)] for u, v in network.edges()})
path = dijkstra_path(adjacency, weight, start, end)
# visualize the result
plotter = NetworkPlotter(network, figsize=(10, 8), fontsize=6)
edges = []
for u, v in pairwise(path):
if v not in network.edge[u]:
u, v = v, u
edges.append([u, v])
plotter.draw_vertices(
text={key: key
for key in (start, end)},
facecolor={key: '#ff0000'
for key in (path[0], path[-1])},
radius=0.15)
plotter.draw_edges(color={(u, v): '#ff0000'
for u, v in edges},
width={(u, v): 3.0
for u, v in edges},
text={(u, v): '{:.1f}'.format(weight[(u, v)])
for u, v in network.edges()})
plotter.show()
print(k)
plotter.update_vertices()
plotter.update_edges()
plotter.update(pause=0.001)
for key, attr in network.vertices(True):
attr['x'] = xyz[key][0]
attr['y'] = xyz[key][1]
attr['z'] = xyz[key][2]
# plot the starting configuration
plotter.draw_vertices(facecolor={
key: '#000000'
for key in network.vertices_where({'is_fixed': True})
})
plotter.draw_edges()
plotter.update(pause=1.0)
# run the DR
network_dr(network, callback=callback)
# plot the final configuration
fmax = max(network.get_edges_attribute('f'))
plotter.draw_vertices(facecolor={
key: '#000000'
for key in network.vertices_where({'is_fixed': True})
})
plotter.draw_edges(color={(u, v): i_to_rgb(attr['f'] / fmax)