bsr203/index.html

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

body {
  position: relative;
  width: 960px;
}

svg {
  font: 10px sans-serif;
  shape-rendering: crispEdges;
}

rect {
  fill: #ddd;
}

.axis path,
.axis line {
  fill: none;
  stroke: #fff;
}

button {
  position: absolute;
  right: 30px;
  top: 30px;
}

</style>
<button>Reset</button>
<script src="http://d3js.org/d3.v3.min.js"></script>
<script>

var margin = {top: 20, right: 20, bottom: 30, left: 40},
    width = 960 - margin.left - margin.right,
    height = 500 - margin.top - margin.bottom;

    //Width and height
    var w = 1000;
    var h = 1000;
    var padding = 20;
    var scale_padding = 20; // space to show axes

var dataset = [
 [80, 20, 10, 60] ];  // x, y, w, h

var x = d3.scale.linear()
    .domain([0, d3.max(dataset, function (d) {
        return (100);
    })])
    .range([padding + scale_padding, w - padding]);

var y = d3.scale.linear()
    .domain([0, d3.max(dataset, function (d) {
        return (100);
    })])
    .range([h - padding - scale_padding, padding]);

//Define X axis
var xAxis = d3.svg.axis()
    .scale(x)
    .orient("bottom")
    .ticks(5);

//Define Y axis
var yAxis = d3.svg.axis()
    .scale(y)
    .orient("left")
    .ticks(5);

var zoom = d3.behavior.zoom()
    .x(x)
    .y(y)
    .scaleExtent([1, 10])
    .on("zoom", zoomed);

var svg = d3.select("body").append("svg")
    .attr("width", w )
    .attr("height", h)
  .append("g")
    .attr("transform", "translate(" + margin.left + "," + margin.top + ")")
    .call(zoom);

svg.selectAll("rect")
    .data(dataset)
    .enter()
    .append("rect")
    .attr("x", function (d) {
        var xx = Math.min(x(d[0]), x(d[0] + d[2]));
        return xx;
    })
    .attr("y", function (d) {
        var yy = Math.min(y(d[1]), y(d[1] + d[3]));
        return yy;
    })
    .attr("width", function (d) {
        var x2 = Math.max(x(d[0]), x(d[0] + d[2]));
        var x1 = Math.min(x(d[0]), x(d[0] + d[2]));
        return x2 - x1;
    })
    .attr("height", function (d) {
        var y2 = Math.max(y(d[1]), y(d[1] + d[3]));
        var y1 = Math.min(y(d[1]), y(d[1] + d[3]));
        return y2 - y1;
    });

    //Create X axis
svg.append("g")
    .attr("class", "x axis")
    .attr("transform", "translate(0," + (h - padding - scale_padding) + ")")
    .call(xAxis);

//Create Y axis
svg.append("g")
    .attr("class", "y axis")
    .attr("transform", "translate(" + (padding + scale_padding) + ",0)")
    .call(yAxis);


d3.select("button").on("click", reset);

function zoomed() {
  svg.select(".x.axis").call(xAxis);
  svg.select(".y.axis").call(yAxis);

  svg.selectAll("rect").call(xAxis);
 svg.selectAll("rect").call(yAxis);
}

function reset() {
  d3.transition().duration(750).tween("zoom", function() {
    var ix = d3.interpolate(x.domain(), [-w / 2, w / 2]),
        iy = d3.interpolate(y.domain(), [-h / 2, h / 2]);
    return function(t) {
      zoom.x(x.domain(ix(t))).y(y.domain(iy(t)));
      zoomed();
    };
  });
}

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

	body {
	position: relative;
	width: 960px;
	}

	svg {
	font: 10px sans-serif;
	shape-rendering: crispEdges;
	}

	rect {
	fill: #ddd;
	}

	.axis path,
	.axis line {
	fill: none;
	stroke: #fff;
	}

	button {
	position: absolute;
	right: 30px;
	top: 30px;
	}

	</style>
	<button>Reset</button>
	<script src="http://d3js.org/d3.v3.min.js"></script>
	<script>

	var margin = {top: 20, right: 20, bottom: 30, left: 40},
	width = 960 - margin.left - margin.right,
	height = 500 - margin.top - margin.bottom;

	//Width and height
	var w = 1000;
	var h = 1000;
	var padding = 20;
	var scale_padding = 20; // space to show axes

	var dataset = [
	[80, 20, 10, 60] ]; // x, y, w, h

	var x = d3.scale.linear()
	.domain([0, d3.max(dataset, function (d) {
	return (100);
	})])
	.range([padding + scale_padding, w - padding]);

	var y = d3.scale.linear()
	.domain([0, d3.max(dataset, function (d) {
	return (100);
	})])
	.range([h - padding - scale_padding, padding]);

	//Define X axis
	var xAxis = d3.svg.axis()
	.scale(x)
	.orient("bottom")
	.ticks(5);

	//Define Y axis
	var yAxis = d3.svg.axis()
	.scale(y)
	.orient("left")
	.ticks(5);

	var zoom = d3.behavior.zoom()
	.x(x)
	.y(y)
	.scaleExtent([1, 10])
	.on("zoom", zoomed);

	var svg = d3.select("body").append("svg")
	.attr("width", w )
	.attr("height", h)
	.append("g")
	.attr("transform", "translate(" + margin.left + "," + margin.top + ")")
	.call(zoom);

	svg.selectAll("rect")
	.data(dataset)
	.enter()
	.append("rect")
	.attr("x", function (d) {
	var xx = Math.min(x(d[0]), x(d[0] + d[2]));
	return xx;
	})
	.attr("y", function (d) {
	var yy = Math.min(y(d[1]), y(d[1] + d[3]));
	return yy;
	})
	.attr("width", function (d) {
	var x2 = Math.max(x(d[0]), x(d[0] + d[2]));
	var x1 = Math.min(x(d[0]), x(d[0] + d[2]));
	return x2 - x1;
	})
	.attr("height", function (d) {
	var y2 = Math.max(y(d[1]), y(d[1] + d[3]));
	var y1 = Math.min(y(d[1]), y(d[1] + d[3]));
	return y2 - y1;
	});

	//Create X axis
	svg.append("g")
	.attr("class", "x axis")
	.attr("transform", "translate(0," + (h - padding - scale_padding) + ")")
	.call(xAxis);

	//Create Y axis
	svg.append("g")
	.attr("class", "y axis")
	.attr("transform", "translate(" + (padding + scale_padding) + ",0)")
	.call(yAxis);


	d3.select("button").on("click", reset);

	function zoomed() {
	svg.select(".x.axis").call(xAxis);
	svg.select(".y.axis").call(yAxis);

	svg.selectAll("rect").call(xAxis);
	svg.selectAll("rect").call(yAxis);
	}

	function reset() {
	d3.transition().duration(750).tween("zoom", function() {
	var ix = d3.interpolate(x.domain(), [-w / 2, w / 2]),
	iy = d3.interpolate(y.domain(), [-h / 2, h / 2]);
	return function(t) {
	zoom.x(x.domain(ix(t))).y(y.domain(iy(t)));
	zoomed();
	};
	});
	}

	</script>