allow oversized viewboxes again

This seems to be a rather regular thing when unconditionally sending
the current view and being zoomed out.

Fixes #3137.

diff --git a/nominatim/api/types.py b/nominatim/api/types.py
index 43e83c1f689dfadda882a85aa79fe496cf0cfecf..a2a265c033e88fec87965b1643d2d42d2a0e1e37 100644 (file)
--- a/nominatim/api/types.py
+++ b/nominatim/api/types.py
@@ -247,9 +247,10 @@ class Bbox:
         except ValueError as exc:
             raise UsageError('Bounding box parameter needs to be numbers.') from exc
 
-        if x1 < -180.0 or x1 > 180.0 or y1 < -90.0 or y1 > 90.0 \
-           or x2 < -180.0 or x2 > 180.0 or y2 < -90.0 or y2 > 90.0:
-            raise UsageError('Bounding box coordinates invalid.')
+        x1 = min(180, max(-180, x1))
+        x2 = min(180, max(-180, x2))
+        y1 = min(90, max(-90, y1))
+        y2 = min(90, max(-90, y2))
 
         if x1 == x2 or y1 == y2:
             raise UsageError('Bounding box with invalid parameters.')