fix: division bug

yihong0618 · Jan 26, 2021 · f1229c0 · f1229c0 · vercel · Jan 26, 2021
1 parent fb2d0ee
commit f1229c0
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/scripts/gpxtrackposter/utils.py b/scripts/gpxtrackposter/utils.py
@@ -41,7 +41,9 @@ def project(
     min_y = lat2y(bbox.lat_lo().degrees)
     max_y = lat2y(bbox.lat_hi().degrees)
     d_y = abs(max_y - min_y)
-
+    # the distance maybe zero
+    if d_x == 0 or d_y == 0:
+        return []
     scale = size.x / d_x if size.x / size.y <= d_x / d_y else size.y / d_y
     offset = offset + 0.5 * (size - scale * XY(d_x, -d_y)) - scale * XY(min_x, min_y)
     lines = []