ModelTranslator: uv_gate_ok/pick_best_candidate 加 overlap_tol 参数

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

Tools/ModelTranslator/tests/test_bl_decimate.py

@@ -91,6 +91,18 @@ class TestUvGateOk(unittest.TestCase):
     def test_overlap_none_treated_as_zero(self):
         self.assertTrue(bd.uv_gate_ok(0.01, None))
 
+    def test_custom_overlap_tol_allows_higher_overlap(self):
+        self.assertTrue(bd.uv_gate_ok(0.0, 0.12, overlap_tol=0.15))
+        self.assertFalse(bd.uv_gate_ok(0.0, 0.16, overlap_tol=0.15))
+
+    def test_custom_overlap_tol_does_not_relax_flip(self):
+        # 放宽重叠不影响翻转判定（翻转仍按 UV_FLIP_TOL）
+        self.assertFalse(bd.uv_gate_ok(0.03, 0.0, overlap_tol=0.5))
+
+    def test_default_overlap_tol_matches_constant(self):
+        self.assertTrue(bd.uv_gate_ok(0.0, bd.UV_OVERLAP_TOL))
+        self.assertFalse(bd.uv_gate_ok(0.0, bd.UV_OVERLAP_TOL + 0.01))
+
 
 class TestUvpmModeLabel(unittest.TestCase):
     def test_applied_appends_suffix(self):
@@ -131,6 +143,13 @@ class TestPickBestCandidate(unittest.TestCase):
         best = bd.pick_best_candidate(cands)
         self.assertEqual(best["islands"], 42)
 
+    def test_overlap_tol_lets_more_candidates_pass(self):
+        # overlap=0.12 在默认 8% 门限下不过；放宽到 0.15 后过门并被选中
+        cands = [self._c(0.0, 0.12, 50, 55)]
+        self.assertIsNone(bd.pick_best_candidate(cands))
+        best = bd.pick_best_candidate(cands, overlap_tol=0.15)
+        self.assertEqual(best["angle"], 55)
+
 
 if __name__ == "__main__":
     unittest.main()