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some more tests for csg2d

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Matthias Hochsteger 2021-01-12 18:07:58 +01:00
parent ea7f6c1e94
commit ccc686830a
1 changed files with 24 additions and 0 deletions
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24
tests/pytest/test_csg2d.py
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@ -3,6 +3,19 @@ import pytest
import math import math
from pytest import approx from pytest import approx
def check_area(geo, area):
if isinstance(geo, Solid2d):
g = CSG2d()
g.Add(geo)
geo = g
m = geo.GenerateMesh()
ngs = pytest.importorskip("ngsolve")
mesh = ngs.Mesh(m)
mesh.Curve(5)
assert ngs.Integrate(1.0, mesh) == approx(area)
def test_two_circles(): def test_two_circles():
c1 = Circle(center=(0,0), radius=1) c1 = Circle(center=(0,0), radius=1)
c2 = c1.Rotate(45) c2 = c1.Rotate(45)
@ -82,6 +95,17 @@ def test_circle_plus_rect1():
mesh.Curve(5) mesh.Curve(5)
assert ngs.Integrate(1.0, mesh) == approx(math.pi) assert ngs.Integrate(1.0, mesh) == approx(math.pi)
def test_circle_and_rect():
c = Circle(center=(0,0),radius=1)
r = Rectangle((0,0),(1,1))
pi = math.pi
check_area(c-r, 3/4*pi)
check_area(c*r, 1/4*pi)
check_area(c+r, 3/4*pi+1)
check_area(r*c, 1/4*pi)
check_area(r+c, 3/4*pi+1)
if __name__ == "__main__": if __name__ == "__main__":
test_two_circles() test_two_circles()