comparison: tests/concave.py
tests/concave.py
- changeset 12
- eb74680a5e43
- child 13
- 12d4ddc4bfd8
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| 11:b42788f5d0a9 | 12:eb74680a5e43 |
|---|---|
| 1 from math import degrees, pi as π | |
| 2 from testsuite import warning | |
| 3 from geometry import * | |
| 4 | |
| 5 def sign_consistency(container): | |
| 6 # Returns whether all elements in container have the same sign | |
| 7 return min(container) * max(container) >= 0 | |
| 8 | |
| 9 def transform_to_xy(geometry): | |
| 10 a, b, c = geometry.vertices[:3] | |
| 11 | |
| 12 | |
| 13 def concave_test(model): | |
| 14 for quadrilateral in model: | |
| 15 print([cross_product(v2 - v1, v3 - v1) for v1, v2, v3 in pairs(quadrilateral.geometry.vertices, count = 3)]) | |
| 16 z_scores = [ | |
| 17 cross_product(v2 - v1, v3 - v1).z | |
| 18 for v1, v2, v3 in pairs(quadrilateral.geometry.vertices, count = 3) | |
| 19 ] | |
| 20 print(z_scores) | |
| 21 if not sign_consistency(z_scores): | |
| 22 yield warning(quadrilateral, 'Concave quadrilateral') |
