From 5bff880671606f58cf443e0875480fa1b197fc54 Mon Sep 17 00:00:00 2001
From: Michael Kennard <mkennard@aquaveo.com>
Date: Thu, 4 Jan 2024 10:40:50 -0700
Subject: [PATCH] GmMultiPolyIntersector for python - added a test and some
 documentation

---
 .../multi_poly_intersector_pyt.py             | 31 ++++++++++++++++++-
 1 file changed, 30 insertions(+), 1 deletion(-)

diff --git a/_package/tests/unit_tests/geometry_tests/multi_poly_intersector_pyt.py b/_package/tests/unit_tests/geometry_tests/multi_poly_intersector_pyt.py
index bb7a7a84..4f12439c 100644
--- a/_package/tests/unit_tests/geometry_tests/multi_poly_intersector_pyt.py
+++ b/_package/tests/unit_tests/geometry_tests/multi_poly_intersector_pyt.py
@@ -50,7 +50,17 @@ def _run_test(self, x1, y1, x2, y2, points, polys, expected_poly_ids, expected_t
                 assert math.isclose(point[i], expected_point[i]), assert_str
 
     def test_traverse_line_segment_1_out_out(self):
-        """A test."""
+        """A test.
+                         (10,10)
+              3-------------2
+              |             |
+            0------------------1
+              |             |
+              |      1      |
+              |             |
+              0-------------1
+           (0,0)
+        """
         pts = [[0, 0, 0], [10, 0, 0], [10, 10, 0], [0, 10, 0]]
         polys = [[0, 1, 2, 3]]
         expected_ids = (1, -1)
@@ -58,6 +68,25 @@ def test_traverse_line_segment_1_out_out(self):
         expected_points = ((0.0, 5.0, 0.0), (10.0, 5.0, 0.0))
         self._run_test(-1, 5, 11, 5, pts, polys, expected_ids, expected_t_vals, expected_points)
 
+    def test_traverse_line_segment_1_out_in(self):
+        """A test.
+                         (10,10)
+              3-------------2
+              |             |
+            0----------1    |
+              |             |
+              |      1      |
+              |             |
+              0-------------1
+           (0,0)
+        """
+        pts = [[0, 0, 0], [10, 0, 0], [10, 10, 0], [0, 10, 0]]
+        polys = [[0, 1, 2, 3]]
+        expected_ids = (1, -1)
+        expected_t_vals = (0.11111111111111111, 1.0)
+        expected_points = ((0.0, 5.0, 0.0), (8.0, 5.0, 0.0))
+        self._run_test(-1, 5, 8, 5, pts, polys, expected_ids, expected_t_vals, expected_points)
+
 
 if __name__ == '__main__':
     unittest.main()