update coarse distance metric

Signed-off-by: Samhita Alla <[email protected]>

app.py

@@ -77,7 +77,7 @@ def get_plotly_graph(
 
     hierarchy_to_coarse, hierarchy_to_fine = compute_distance(map_data)
     what_to_consider = {"hierarchy"}
-    if hierarchy_to_coarse > 30:
+    if hierarchy_to_coarse > 5000:
         what_to_consider.add("coarse")
     if hierarchy_to_fine > 30:
         what_to_consider.add("fine")
@@ -112,7 +112,7 @@ def get_plotly_graph(
         color_discrete_map={
             "hierarchy": "fuchsia",
             "coarse": "blue",
-            "fine": "blue",
+            "fine": "yellow",
         },
         zoom=2,
         height=500,