3D-Sigmoid

_.md

[ Launch: Sigmoid ] 7837615 by ariaz

config.json

{"description":"3D-Sigmoid","endpoint":"","display":"svg","public":true,"require":[],"fileconfigs":{"inlet.js":{"default":true,"vim":false,"emacs":false,"fontSize":12},"style.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,"thumbnail":"http://i.imgur.com/8RTZgZu.png"}

inlet.js

var cpc_avg = 0.88,
    cpc_shift = 0.1,
    cpc_slope = 31.2,
    cpc_power = 3.585792;

var ctr_avg = 0.24164352,
    ctr_shift = 0.07671345217536,
    ctr_slope = 2,
    ctr_power = 1;

var xDistance = 130;
var yDistance = 87;


var margin = {top: 16, right: 9, bottom: 24, left: 32},
    width = tributary.sw - margin.left - margin.right,
    height = tributary.sh - margin.top - margin.bottom;


var x = d3.scale.linear()
    .range([0, width]);

var y = d3.scale.linear()
    .range([height, 0]);

var xAxis = d3.svg.axis()
    .scale(x)
    .orient("bottom");

var yAxis = d3.svg.axis()
    .scale(y)
    .orient("left");

var line = d3.svg.line()
    .x(function(d) { return x(d.x); })
    .y(function(d) { return y(d.y); });

var line2 = d3.svg.line()
    .x(function(d) { return x(d.x)+xDistance; })
    .y(function(d) { return y(d.y)+yDistance; });

var svg = d3.select("svg")
    .attr("width", width + margin.left + margin.right)
    .attr("height", height + margin.top + margin.bottom)
  .append("g")
    .attr("transform", "translate(" + margin.left + "," + margin.top + ")");

var ctr_sigmoid = sigmoid(ctr_avg, ctr_slope, ctr_shift);
var cpc_sigmoid = sigmoid(cpc_avg, cpc_slope, cpc_shift);

var data = _.map(d3.range(0,1.0,0.01), function(d){ 
  return {
    x: d, 
    y: ctr_power*ctr_sigmoid(d) + cpc_power*cpc_sigmoid(d)
  }
});

console.log(data)

  x.domain(d3.extent(data, function(d) { return d.x; }));
  y.domain(d3.extent(data, function(d) { return d.y; }));

  svg.append("g")
      .attr("class", "x axis")
      .attr("transform", "translate(0," + height + ")")
      .call(xAxis);

  svg.append("g")
      .attr("class", "y axis")
      .call(yAxis)
    .append("text")
      .attr("transform", "rotate(-90)")
      .attr("y", 6)
      .attr("dy", ".71em")
      .style("text-anchor", "end")
      .text("f(x)");

  svg.append("path")
      .datum(data)
      .attr("class", "line")
      .attr("d", line);

  svg.append("path")
      .datum(data)
      .attr("class", "line")
      .attr("d", line2);

 svg.selectAll("path")
   .data(data).enter()
   .append("path")
   .attr("class","lineh")
   .attr("d", function(d){
       return "M" + x(d.x) + "," + y(d.y) +
         "L" + (x(d.x)+xDistance) + "," + (y(d.y) + yDistance);
   })

function sigmoid(avg, slope, shift) {
  return function (val) {
    return 1 / (1 + Math.exp(-slope  * (1/avg) * (val -(shift + 0.5)*avg*2)));
  }
}

style.css

.axis path,
.axis line {
  fill: none;
  stroke: #000;
  shape-rendering: crispEdges;
}

.axis {
  font: 10px sans-serif;
},
.x.axis path {
  display: none;
}

.line {
  fill: none;
  stroke: steelblue;
  stroke-width: 2.82px;
}


.lineh {
  fill: none;
  stroke: red;
  stroke-width: 2.82px;
}