jasonkolb/_.md

## _.md

      
    Raw
  

              _.md
            
          
    [ Launch: time story ] de58d38f527f97da543d by jasonkolb
[ Launch: time story ] 56bddc104d346ddfab9a by jasonkolb


## config.json
{"description":"time story 2","endpoint":"","display":"svg","public":true,"require":[],"fileconfigs":{"inlet.js":{"default":true,"vim":false,"emacs":false,"fontSize":12},"inlet.css":{"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,"ajax-caching":true,"thumbnail":"http://i.imgur.com/rHIWKdD.png"}

## inlet.css
path {
  fill-rule: evenodd;
  fill: #aaa;
  fill-opacity: 0;
  /* stroke: #27c83a; */
  stroke-width: 3px;
}

rect {
  fill-rule: evenodd;
  fill: #000;
  stroke: #fff;
  stroke-width: 3px;
}

svg {
  background: #333;
  fill: black;
}

circle {

}

## inlet.js
// what about cohort size?

var margin = {top: 20, right: 55, bottom: 30, left: 40},
          width  = 800 - margin.left - margin.right,
          height = 500  - margin.top  - margin.bottom;

var svg = d3.select("svg")
    .attr('w', width)
    .attr('h', height);

var color = d3.scale.category10();


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	{"day":88,"Train":3,"HealthScore": 70, "CapacityScore": 80, "Event": ""},
	{"day":89,"Train":3,"HealthScore": 70, "CapacityScore": 80, "Event": ""},
	{"day":90,"Train":3,"HealthScore": 70, "CapacityScore": 80, "Event": ""}]}
];

svg.append("rect")
.attr("x", margin.left + 7)
.attr("y", margin.top)
.attr("width", width - 7)
.attr("height", height);

var trainKeys = d3.keys(historicalData);

var data = historicalData.map(function(d,i) {
  return d;
});

var minHealth = d3.min( data, function( d ) {  return d3.min( d.historicalData, function(m) { return m.HealthScore; } ) } )
var maxHealth = d3.max( data, function( d ) { return d3.max( d.historicalData, function(m) { return m.HealthScore; } ) } )
var minCapacity = d3.min( data, function( d ) { return d3.min( d.historicalData, function(m) { return m.CapacityScore; } ) } )
var maxCapacity = d3.max( data, function( d ) { return d3.max( d.historicalData, function(m) { return m.CapacityScore; } ) } )

var x = d3.scale.linear()
          .range([0 + margin.left, width + margin.left]);
var y = d3.scale.linear()
          .range([height - margin.top, 0 + margin.bottom]);

//x.domain(data.map(function (d) { return d.Train; }));
x.domain([0,90]);
y.domain([minHealth,maxHealth]);

var series = svg.selectAll(".series")
            .data(data)
          .enter().append("g")
            .attr("class", "series");


var line = d3.svg.line()
	.interpolate("basis")
    .x(function(d) { return x(d.day); })
	.y(function(d) { return y(d.HealthScore); });


var duration = 7976;

    // add element and transition in
    var path = series.append('path')
        .attr('class', 'line')
    // does the color of the line really add any value here - is knowing the name important?
    	.style("stroke", function(d) { return "#f55"; })
        .attr('d', function(d){ return line(d.historicalData) })
        .transition()
        .duration(duration)
        .attrTween("stroke-dasharray", tweenDash)

function tweenDash() {
  var l = this.getTotalLength(),
      i = d3.interpolateString("0," + l, l + "," + l);
  return function(t) { return i(t); };
}

var filter = svg.append("defs")
  .append("filter")
    .attr("id", "blur")
  .append("feGaussianBlur")
    .attr("stdDeviation", 5);

var circles = svg.selectAll("circle")
                          .data(data)
                          .enter()
                          .append("circle");

circles.attr("filter", "url(#blur)");


var circleAttributes = circles
                       .attr("cx", function (d) { return x(d.historicalData[0].day); })
                       .attr("cy", function (d) { return y(d.historicalData[0].HealthScore); })
                       .attr("r", function (d) { return 5; })
					   .attr("class", function(d) { return "ridealong" + d.train; } )
                       .style("fill", function(d) { return color(d.train); })

var easeparam = "linear";

// Time to complete one transition / iteration of the circular or elliptical path
var timeparam = 2000;

circleAttributes.transition()
	.duration(duration)
	.ease(easeparam)
	.attrTween("transform", ridealongFn());

function ridealongFn(){

  // We only use 'd', but list d,i,a as params just to show can have them as params.
  // Code only really uses d and t.
  return function(d, i, a) {

    var xOffset = x(d.historicalData[0].day);
    var yOffset = y(d.historicalData[0].HealthScore);


    return function(t) {


	// 't': what's t? T is the fraction of time (between 0 and 1) since the
	// transition began. Handy.
//	var t_offset = d.get('offset');
	var t_x, t_y;

      console.log(d.historicalData.length * t);
      var dataPointIndex = Math.floor(d.historicalData.length * t);
      if( dataPointIndex > d.historicalData.length )
        dataPointIndex = d.historicalData.length;


//      console.log( dataPointIndex );
      var dataPoint = d.historicalData[dataPointIndex];
  //    console.log( dataPoint );

     t_x = x(dataPoint.day) - xOffset;
     t_y = y(dataPoint.HealthScore) - yOffset;


      /*
	// If the data says the element should follow a circular path, do that.
	if (d.get('rtype') == 'circle')	{
		var rotation_radius = d.get('rotr');
		var t_angle = (2 * Math.PI) * t;
		var t_x = rotation_radius * Math.cos(t_angle);
		var t_y = rotation_radius * Math.sin(t_angle);
	}

	// Likewise for an ellipse:
	if (d.get('rtype') == 'ellipse')	{
		var rotation_radius_x = d.get('rotrx');
		var rotation_radius_y = d.get('rotry');
		var t_angle = (2 * Math.PI) * t;
		var t_x = rotation_radius_x * Math.cos(t_angle);
		var t_y = rotation_radius_y * Math.sin(t_angle);
	}

	return "translate(" + ((width/2) + t_offset + t_x) + "," + (height/2 + t_offset + t_y) + ")";
    */
      return "translate(" + t_x + ", " + t_y + ")";
    };
  };
}
	path {
	fill-rule: evenodd;
	fill: #aaa;
	fill-opacity: 0;
	/* stroke: #27c83a; */
	stroke-width: 3px;
	}

	rect {
	fill-rule: evenodd;
	fill: #000;
	stroke: #fff;
	stroke-width: 3px;
	}

	svg {
	background: #333;
	fill: black;
	}

	circle {

	}