tween dreams

_.md

[ Launch: tween dreams ] 5819559 by gelicia

config.json

{"description":"tween dreams","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":"period","bv":false,"nclones":15,"clone_opacity":0.4,"duration":3000,"ease":"linear","dt":0.01}

inlet.js

//from http://stackoverflow.com/questions/13454993/increment-svg-text-with-transistion

var start_val = 1.34,
    duration = 5000,
    end_val = [2.54];
  
var svg = d3.select("svg")

var text = svg
    .append("text")
    .text(start_val)
    .attr("class", "txt")
    .attr("x", 10)
    .attr("y", function(d, i) {
        return 50 + i * 30
    })
	.text(start_val)
 
    text.transition()
    .duration(1000)
        .tween("text", function(d) {
            var i = d3.interpolate(this.textContent, end_val[0]),
                prec = (end_val[0] + "").split("."),
                round = (prec.length > 1) ? Math.pow(10, prec[1].length) : 1;

            return function(t) {
                this.textContent = Math.round(i(t) * round) / round;
            }; 
        });