Fix blurred bounding box for obscured observations

It was about 2x too tall & wide.
MushroomObserver · Aug 18, 2024 · 27ab9b2 · 27ab9b2
1 parent 073c066
commit 27ab9b2
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Showing 2 changed files with 9 additions and 8 deletions.
diff --git a/app/classes/inat_obs.rb b/app/classes/inat_obs.rb
@@ -298,20 +298,21 @@ def taxon_importable?
 
   # ----- location-related
 
+  # These give a good approximation of the iNat blurred bounding box
   def blurred_north
-    [lat + public_accuracy_in_degrees[:lat], 90].min
+    [lat + public_accuracy_in_degrees[:lat] / 2, 90].min
   end
 
   def blurred_south
-    [lat - public_accuracy_in_degrees[:lat], -90].max
+    [lat - public_accuracy_in_degrees[:lat] / 2, -90].max
   end
 
   def blurred_east
-    ((lng + public_accuracy_in_degrees[:lng] + 180) % 360) - 180
+    ((lng + public_accuracy_in_degrees[:lng] / 2 + 180) % 360) - 180
   end
 
   def blurred_west
-    ((lng - public_accuracy_in_degrees[:lng] + 180) % 360) - 180
+    ((lng - public_accuracy_in_degrees[:lng] / 2 + 180) % 360) - 180
   end
 
   def to_rad(degrees)

diff --git a/test/models/inat_obs_test.rb b/test/models/inat_obs_test.rb
@@ -238,13 +238,13 @@ def test_obscured_location
         user: rolf,
         name: "Blurred Location",
         north: mock_inat_obs.lat +
-               mock_inat_obs.public_accuracy_in_degrees[:lat],
+               mock_inat_obs.public_accuracy_in_degrees[:lat] / 2,
         south: mock_inat_obs.lat -
-               mock_inat_obs.public_accuracy_in_degrees[:lat],
+               mock_inat_obs.public_accuracy_in_degrees[:lat] / 2,
         east: mock_inat_obs.lng +
-              mock_inat_obs.public_accuracy_in_degrees[:lng],
+              mock_inat_obs.public_accuracy_in_degrees[:lng] / 2,
         west: mock_inat_obs.lng -
-              mock_inat_obs.public_accuracy_in_degrees[:lng]
+              mock_inat_obs.public_accuracy_in_degrees[:lng] / 2
       )
 
     Location.create(