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try:
from . import generic as g
except BaseException:
import generic as g
class CreationTests(g.unittest.TestCase):
def test_circle_pattern(self):
from trimesh.path import creation
pattern = creation.circle_pattern(pattern_radius=1.0, circle_radius=0.1, count=4)
assert len(pattern.entities) == 4
assert len(pattern.polygons_closed) == 4
assert len(pattern.polygons_full) == 4
# should be a valid Path2D
g.check_path2D(pattern)
def test_circle(self):
from trimesh.path import creation
circle = creation.circle(radius=1.0, center=(1.0, 1.0))
# it's a discrete circle
assert g.np.isclose(circle.area, g.np.pi, rtol=0.01)
# should be centered at 0
assert g.np.allclose(
circle.polygons_full[0].centroid.coords, [1.0, 1.0], atol=1e-3
)
assert len(circle.entities) == 1
assert len(circle.polygons_closed) == 1
assert len(circle.polygons_full) == 1
# should be a valid Path2D
g.check_path2D(circle)
def test_rect(self):
from trimesh.path import creation
# create a single rectangle
pattern = creation.rectangle([[0, 0], [2, 3]])
assert len(pattern.entities) == 1
assert len(pattern.polygons_closed) == 1
assert len(pattern.polygons_full) == 1
assert g.np.isclose(pattern.area, 6.0)
# should be a valid Path2D
g.check_path2D(pattern)
# make 10 untouching rectangles
pattern = creation.rectangle(g.np.arange(40).reshape((-1, 2, 2)))
assert len(pattern.entities) == 10
assert len(pattern.polygons_closed) == 10
assert len(pattern.polygons_full) == 10
# should be a valid Path2D
g.check_path2D(pattern)
def test_grid(self):
grid = g.trimesh.path.creation.grid(side=5.0)
assert g.np.allclose(grid.extents, [10, 10, 0])
# check grid along a plane
grid = g.trimesh.path.creation.grid(
side=10.0, plane_origin=[5.0, 0, 0], plane_normal=[1, 0, 0]
)
# make sure plane is applied correctly
assert g.np.allclose(grid.extents, [0, 20, 20])
assert g.np.allclose(grid.bounds, [[5, -10, -10], [5, 10, 10]])
if __name__ == "__main__":
g.trimesh.util.attach_to_log()
g.unittest.main()
|
