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()
# Main
# ==============================================================================
if __name__ == "__main__":
import compas
from compas.datastructures import Network
from compas.plotters import NetworkPlotter
network = Network.from_obj(compas.get('grid_irregular.obj'))
plotter = NetworkPlotter(network, figsize=(10, 8))
plotter.draw_vertices(radius=0.1, picker=10)
plotter.draw_edges()
default = [
plotter.defaults['vertex.facecolor'] for key in network.vertices()
]
highlight = '#ff0000'
def on_pick(event):
index = event.ind[0]
colors = default[:]
colors[index] = highlight
plotter.vertexcollection.set_facecolor(colors)
plotter.update()
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()
crossings = network_find_crossings(network)
print(network_count_crossings(network))
print(crossings)
print(len(crossings))
ecolor = {}
for e1, e2 in crossings:
ecolor[e1] = '#ff0000'
ecolor[e2] = '#ff0000'
plotter = NetworkPlotter(network, figsize=(10, 7))
plotter.draw_vertices()
plotter.draw_edges(color=ecolor)
plotter.show()
# embedding = network.copy()
# fix = (1, 12)
# if network_embed_in_plane(embedding, fix=fix):
# plotter = NetworkPlotter(embedding, figsize=(10, 7))
# plotter.draw_lines([{'start': network.vertex_coordinates(u, 'xy'),
# 'end': network.vertex_coordinates(v, 'xy'),
# 'color': '#cccccc'} for u, v in network.edges()])
# plotter.draw_vertices(radius=0.3,
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)
# compute the shortest path taking into account the edge weights
path = shortest_path(network.adjacency, start, end)
# convert the path to network edges
edges = [(v, u) if not network.has_edge(u, v) else (u, v)
for u, v in pairwise(path)]
# make a plotter
plotter = NetworkPlotter(network, figsize=(10, 7))
# 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)
# draw the edges
plotter.draw_edges(color={(u, v): '#ff0000'
for u, v in edges},
width={(u, v): 5.0
for u, v in edges})
# show the plot
plotter.show()
'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,
edges = [(key_index[u], key_index[v]) for u, v in network.edges()]
C = connectivity_matrix(edges, rtype='list')
C = matlab.double(C)
# compute coordinate differences in Matlab
# # using an engine function
# uv = matlab.engine.mtimes(C, xyz)
# using workspace data
matlab.engine.workspace['C'] = C
matlab.engine.workspace['xyz'] = xyz
uv = matlab.engine.eval('C * xyz')
# compute edge lengths in Python
l = normrow(uv)
l = l.flatten().tolist()
# plot results as edge labels
plotter = NetworkPlotter(network, figsize=(10, 7), fontsize=6)
plotter.draw_vertices()
plotter.draw_edges(text={(u, v): '%.1f' % l[index]
for index, (u, v) in enumerate(network.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 = {(u, v): str(index) for index, (u, v) 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()
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.datastructures import network_is_planar
from compas.datastructures import network_find_crossings
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()
# 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()
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
--------
.. code-block:: python
plotter = AssemblyPlotter(assembly, tight=True, figsize=(12, 8))
plotter.draw_vertices()
plotter.draw_blocks()
plotter.show()
"""
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)
def draw_vertices(self, *args, **kwargs):
"""Draw the vertices of an assembly.
"""
return self.assembly_plotter.draw_vertices(*args, **kwargs)
def draw_edges(self, *args, **kwargs):
"""Draw the edges of an assembly.
"""
self.assembly_plotter.draw_edges(*args, **kwargs)
def draw_blocks(self,
keys=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.
"""
keys = keys or list(self.assembly.vertices())
facecolordict = valuedict(keys, facecolor, self.block_plotter.defaults['face.facecolor'])
edgecolordict = valuedict(keys, edgecolor, self.block_plotter.defaults['face.edgecolor'])
edgewidthdict = valuedict(keys, edgewidth, self.block_plotter.defaults['face.edgewidth'])
textcolordict = valuedict(keys, textcolor, self.block_plotter.defaults['face.textcolor'])
fontsizedict = valuedict(keys, fontsize, self.block_plotter.defaults['face.fontsize'])
polygons = []
for key, attr in self.assembly.vertices(True):
block = self.assembly.blocks[key]
xyz = block.get_vertices_attributes('xyz')
box = bounding_box_xy(xyz)
polygons.append({
'points': box,
'edgecolor': edgecolordict[key],
'edgewidth': edgewidthdict[key],
'facecolor': facecolordict[key]
})
self.draw_polygons(polygons)
