         .ease("linear")
         .duration(500)
         .delay((d) -> d*50)
-        .attr("r", 50)
+        .attr("r", 100)
         .style("opacity", 0)
         .remove()
 

   .attr({x:0, y:0, width:width, height:height})
   .attr({"stroke-width": 5, stroke:"black", fill:d3.rgb(200, 200, 200)})
   .style("pointer-events", "none")

ripples = (position) ->
   svg.selectAll("empty")


width = 920
height = 450
ncircles = 20
colors = ["orchid", "#4DF0A7"]
svg = d3.select("div#chart")
        .append("svg")
        .attr({width: width, height: height})
