feat(geo): cross-check block heights against Mapbox building data (#25)

Merged PR #25: Mapbox building-height cross-check

Co-authored-by: Zwitschi <zwitschi82@gmail.com>

Tools/tests/test_block_height_report.py

@@ -37,6 +37,12 @@ class ClassifyHeightTest(unittest.TestCase):
         self.assertEqual(height, 0.0)
         self.assertIn("not a building volume (roof)", source)
 
+    def test_canopy_is_not_a_building_volume(self):
+        # building=canopy at layer=1, found by the Mapbox cross-check.
+        height, source = bhr.classify_height({"building": "canopy", "layer": "1"})
+        self.assertEqual(height, 0.0)
+        self.assertIn("not a building volume (canopy)", source)
+
     def test_transit_shelter_is_not_a_building_volume(self):
         height, source = bhr.classify_height(
             {"building": "yes", "amenity": "shelter", "shelter_type": "public_transport"})