actually fix zoom

data-8 · Feb 19, 2016 · 41551f9 · 41551f9
1 parent 4691828
commit 41551f9
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/datascience/maps.py b/datascience/maps.py
@@ -133,11 +133,11 @@ def _autozoom(self):
         # rough approximation, assuming max_zoom is 18
         import math
         try:
+            factor = 1 + max(0, 1 - (self._width/1000)**0.5)
             lat_diff = bounds['max_lat'] - bounds['min_lat']
             lon_diff = bounds['max_lon'] - bounds['min_lon']
             area, max_area = lat_diff*lon_diff, 180*360
             if area:
-                factor = 1 + max(0, 1-area**0.5)
                 zoom = math.log(area/max_area)/-factor
             else:
                 zoom = self._default_zoom