def test_data():
p = Pointcloud.from_bounds(10, 10, 10, 100)
assert p.data == p.validate_data()
o = Pointcloud.from_data(p.data)
assert p == o
assert not (p is o)
assert o.data == o.validate_data()
def test_inequality():
a = Pointcloud.from_bounds(10, 10, 10, 10)
b = Pointcloud.from_bounds(10, 10, 10, 11)
assert a != b
b = Pointcloud.from_bounds(10, 10, 10, 9)
assert a != b
b = Pointcloud.from_bounds(10, 10, 10, 10)
assert a != b
def plot(self):
"""Visualize the current map with the plotter.
Returns
-------
None
"""
from compas_plotters.plotter import Plotter
from compas.geometry import Pointcloud
from compas.geometry import Plane, Circle, Polygon
plotter = Plotter(figsize=(16, 12))
w = 16
h = 10
n = len(self.colors)
d = w / n
cloud = Pointcloud.from_bounds(w, h, 0, n)
white = Color.white()
for i, color in enumerate(self.colors):
c = Circle(Plane(cloud[i], [0, 0, 1]), 0.1)
p = Polygon([[i * d, -2, 0], [(i + 1) * d, -2, 0],
[(i + 1) * d, -1, 0], [i * d, -1, 0]])
plotter.add(c, facecolor=color, edgecolor=white, linewidth=0.5)
plotter.add(p, facecolor=color, edgecolor=color)
plotter.zoom_extents()
plotter.show()
import random
from compas.geometry import Pointcloud, Circle
from compas.utilities import i_to_red, i_to_green
from compas_plotters import GeometryPlotter
pcl = Pointcloud.from_bounds(10, 5, 0, 100)
plotter = GeometryPlotter(show_axes=True)
for point in pcl.points:
plotter.add(point)
plotter.zoom_extents()
plotter.show()
from math import radians from compas.geometry import Pointcloud, Box from compas.geometry import Rotation from compas.geometry import oriented_bounding_box_numpy from compas_view2.app import App cloud = Pointcloud.from_bounds(10, 5, 3, 100) Rz = Rotation.from_axis_and_angle([0.0, 0.0, 1.0], radians(60)) Ry = Rotation.from_axis_and_angle([0.0, 1.0, 0.0], radians(20)) Rx = Rotation.from_axis_and_angle([1.0, 0.0, 0.0], radians(10)) cloud.transform(Rz * Ry * Rx) bbox = oriented_bounding_box_numpy(cloud) box = Box.from_bounding_box(bbox) viewer = App() viewer.add(cloud) viewer.add(box, show_faces=False, linecolor=(1, 0, 0), linewidth=3) viewer.run()
from compas.geometry import Pointcloud, Translation
from compas.utilities import i_to_red, pairwise
from compas_plotters import Plotter
plotter = Plotter(figsize=(8, 5))
pointcloud = Pointcloud.from_bounds(8, 5, 0, 10)
for index, (a, b) in enumerate(pairwise(pointcloud)):
artist = plotter.add(a,
edgecolor=i_to_red(max(index / 10, 0.1),
normalize=True))
plotter.add(b, size=10, edgecolor=(1, 0, 0))
plotter.zoom_extents()
plotter.pause(1.0)
@plotter.on(interval=0.1,
frames=50,
record=True,
recording='docs/_images/tutorial/plotters_dynamic.gif',
dpi=150)
def move(frame):
print(frame)
for a, b in pairwise(pointcloud):
vector = b - a
a.transform(Translation.from_vector(vector * 0.1))
def test_equality():
a = Pointcloud.from_bounds(10, 10, 10, 10)
points = a.points[:]
random.shuffle(points)
b = Pointcloud(points)
assert a == b
from compas.geometry import intersection_segment_segment_xy, mirror_points_line_xy
from compas_plotters import GeometryPlotter
# ==============================================================================
# Parameters
# ==============================================================================
N = 50
W = 100
H = 50
# ==============================================================================
# Objects
# ==============================================================================
cloud = Pointcloud.from_bounds(W, H, 0, N)
polygon = Polygon.from_sides_and_radius_xy(5, 20.0)
polygon.transform(Translation.from_vector([0.5 * W, 0.5 * H, 0]))
box = Polygon([[0, 0], [W, 0], [W, H], [0, H]])
# ==============================================================================
# Transformations
# ==============================================================================
# random translation vector per point in the cloud
transformations = [
Translation.from_vector([
choice([-1, +1]) * random(),
choice([-1, +1]) * random(),
0])
for _ in cloud]
