SVG Semantic Zooming

my take on

HTML semantic zooming

forked from mbostock's block: SVG Semantic Zooming

forked from anonymous's block: SVG Semantic Zooming

<!DOCTYPE html>
<meta charset="utf-8">
<title>Zoom + Pan</title>
<style>

.divLay {
    position: absolute
}
  
.recto {
    position: absolute;
    background: red
}
  
svg {
  font: 10px sans-serif;
}

.overlay {
  fill: none;
  pointer-events: all;
}

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

</style>
<body>
<script src="//d3js.org/d3.v3.min.js"></script>
<script>

var width = 960,
    height = 500;

var randomX = d3.random.normal(width / 2, 80),
    randomY = d3.random.normal(height / 2, 80);

var data = d3.range(2000).map(function() {
  return [
    randomX(),
    randomY()
  ];
});

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

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

var div = d3.select("body").append("div")
						.attr("class", "divLay")
						.style("width", width)
    				.attr("style", height)
						.call(d3.behavior.zoom().x(x).y(y).scaleExtent([1, 12])
                  .on("zoom", zoom));

//var svg = d3.select("body").append("svg")
//    .attr("width", width)
//    .attr("height", height)
//  .append("g")
//    .call(d3.behavior.zoom().x(x).y(y).scaleExtent([1, 37]).on("zoom", zoom));

//svg.append("rect")
//    .attr("class", "overlay")
//    .attr("width", width)
//    .attr("height", height);

//var circle = svg.selectAll("rect.rectangle")
//    .data(data)
//  .enter().append("rect")
//		.attr("class", "rectangle")
//    .attr("width", 20)
//    .attr("height", 20)
//    .attr("transform", transform);

var drect = div.selectAll("div.recto")
    .data(data)
  .enter().append("div")
		.attr("class", "recto")
    .style("width", 20)
    .style("height", 20)
		.style("opacity", 0.552)
    .style("transform", transformHtml)  
  
function zoom() {
  //circle.attr("transform", transform);
  drect.style("transform", transformHtml);
}

function transformHtml(d) {
  return "translate(" + x(d[0]) + "px," + y(d[1]) + "px)";
}  
  
function transform(d) {
  return "translate(" + x(d[0]) + "," + y(d[1]) + ")";
}

</script>

https://d3js.org/d3.v3.min.js