changed charge and distance map

static/js/d3_map.js

@@ -8,8 +8,8 @@ var svg = d3.select(".map_area").append("svg")
 
 var force = d3.layout.force()
   .gravity(0.008)
-  .distance(180)
+  .distance(190)
-  .charge(-35)
+  .charge(-55)
   .size([width, height]);