age pyramid

<!DOCTYPE html>
<meta charset="utf-8">
<style>
  body {
    font-family: Helvetica;
    font-size: 10px;
  }

.point {
    fill: black;
  }

rect {
    fill: none;
    stroke: black;
    stroke-width: 1;
  }
</style>
<body>
<script src="https://d3js.org/d3.v4.js"></script>
<script src="https://romsson.github.io/d3-gridding/build/d3-gridding.js"></script>
<script src="https://romsson.github.io/d3-gridding/example/utils/utils.js"></script>
<script>
var width = 400,
    height = 300;

var data = [];

d3.range(10).map(function(d, i) {
  d3.range(2).map(function(e, j) {
    data.push({"index": i, "value": j, "size": i *(j+1) + i*Math.random()});
  });
});

var svgSquares = d3.select("body").append("svg")
    .attr("width", width)
    .attr("height", height)
  .append("g");

function update() {

//nested_data = d3.nest()
  //    .key(function(d, i) { return i; })
  //    .entries(data);

var nested_data = generate_nesting(["", "value"], "data")

console.log("NESTED", nested_data)

draw(svgSquares, nested_data[0], params, 0, "0_", false);

d3.selectAll(".index").remove();

}

update();

</script>

Modified http://d3js.org/d3.v4.js to a secure url

Modified http://romsson.github.io/d3-gridding/build/d3-gridding.js to a secure url

https://d3js.org/d3.v4.js

https://romsson.github.io/d3-gridding/build/d3-gridding.js

https://romsson.github.io/d3-gridding/example/utils/utils.js