BUG: fix corner case of empty intersection in streetscape (#674)

pysal · Nov 27, 2024 · ce91ba2 · ce91ba2
1 parent ecdc560
commit ce91ba2
Showing 1 changed file with 6 additions and 6 deletions.
diff --git a/momepy/streetscape.py b/momepy/streetscape.py
@@ -900,12 +900,12 @@ def _compute_sigthlines_plot_indicators_one_side(
                 match_geom = None
 
                 if not gdf_items.empty:
-                    _distances = gdf_items.exterior.intersection(
-                        sightline_geom
-                    ).distance(s_pt1)
-                    match_id = _distances.idxmin()
-                    match_distance = _distances.min()
-                    match_geom = gdf_items.geometry[match_id]
+                    intersection = gdf_items.exterior.intersection(sightline_geom)
+                    if not intersection.is_empty.all():
+                        _distances = intersection.distance(s_pt1)
+                        match_id = _distances.idxmin()
+                        match_distance = _distances.min()
+                        match_geom = gdf_items.geometry[match_id]
 
                 parcel_ids = []
                 # ---------------