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fix _build_vertex_values with no faces crash

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Laura Klünder 2018-12-15 23:24:04 +01:00
parent d49c4da769
commit 84fd2b0011
1 changed files with 5 additions and 2 deletions
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7
src/c3nav/mapdata/render/geometry/level.py
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@ -286,11 +286,14 @@ class LevelGeometries:
vertex_value_mask = np.full(self.vertices.shape[:1], fill_value=False, dtype=np.bool)
for item in items:
i_vertices = np.unique(self.faces[np.array(tuple(chain(*area_func(item).faces)))].flatten())
faces = area_func(item).faces
if not faces:
continue
i_vertices = np.unique(self.faces[np.array(tuple(chain(*faces)))].flatten())
vertex_values[i_vertices] = value_func(item, i_vertices)
vertex_value_mask[i_vertices] = True
if not np.all(vertex_value_mask):
if np.any(vertex_value_mask) and not np.all(vertex_value_mask):
interpolate = NearestNDInterpolator(self.vertices[vertex_value_mask],
vertex_values[vertex_value_mask])
vertex_values[np.logical_not(vertex_value_mask)] = interpolate(