RangePoints zickzack-layout

_.md

[ Launch: RangePoints test ] 6500819 by roundrobin
[ Launch: RangePoints test ] 6500672 by roundrobin

config.json

{"description":"RangePoints zickzack-layout","endpoint":"","display":"svg","public":true,"require":[],"fileconfigs":{"inlet.js":{"default":true,"vim":false,"emacs":false,"fontSize":12},"_.md":{"default":true,"vim":false,"emacs":false,"fontSize":12},"config.json":{"default":true,"vim":false,"emacs":false,"fontSize":12}},"fullscreen":false,"play":false,"loop":false,"restart":false,"autoinit":true,"pause":true,"loop_type":"pingpong","bv":false,"nclones":15,"clone_opacity":0.4,"duration":3000,"ease":"linear","dt":0.01,"thumbnail":"http://i.imgur.com/XwMhVzl.png"}

inlet.js

var nrOfEls = 16;
var columns = 4;


var height = 240;
var width  = 420;

g.append("rect")
.attr({
  width: width,
  height: height,
  fill: "#ddd"
});



var rangeOr = d3.range(nrOfEls);

var range =  d3.range(Math.ceil(nrOfEls / columns));

var scaleOrdinal2 = d3.scale.ordinal().domain(rangeOr).rangePoints([0, height], 0.7);
var scaleOrdinal = d3.scale.ordinal().domain(range).rangePoints([0, height], 0.7);
var widthScale = d3.scale.ordinal().domain(d3.range(columns)).rangePoints([0, width], 0.7);

var color = "#133E8C";
var strokeColor = "#C88100";
var strokeWidth = 6;

var zIndex = 0;
var zIndex2 = 0;
var zIndex3 = 0;
var ySum = 0;

var selection = g.selectAll('.circleGroups')
  .data(rangeOr)
  .enter();

var circleGroup = selection.append("g")
  .attr({
    transform: function(d,i){
	  var x = 0;
      var y = 0;
      
      if(zIndex % columns === 0){
		 zIndex = 0;
        }
       zIndex++; 
       var x = widthScale(zIndex-1);
      
      if(zIndex3 % columns === 0){
	        zIndex2++;
            zIndex3 = 0;
        }  
        zIndex3++;
		var y = scaleOrdinal(zIndex2-1);
      
      
      return "translate("+[x,y]+")";
    },
    "class": "group"
  });

  circleGroup.append("rect")
      .attr({
          width: 81,
          height: 30,
          fill: "#292C66"
      });



    selection.append("circle")
    .attr({
      r: Math.min(scaleOrdinal(0), widthScale(0)),
      cx: function(d,i){
        if(zIndex % columns === 0){
		 zIndex = 0;
        }
        zIndex++; 
        return widthScale(zIndex-1); 
      },
      cy: function(d,i){
		if(zIndex3 % columns === 0){
	        zIndex2++;
            zIndex3 = 0;
        }  
        zIndex3++;
        return scaleOrdinal(zIndex2-1);
      },
      fill: color,
      stroke: strokeColor,
      "stroke-width": strokeWidth
    });