Pan and Zoom Controls

Drag or zoom on octocat to pan and zoom it, or use the controls to move it around the area.

<!DOCTYPE html>
<head>
        <meta charset="utf-8">
        <script src="https://d3js.org/d3.v4.min.js"></script>
</head>
<body>
<div>
  <button id="reset">Reset</button>
  <button id="out">-</button>
  <button id="in">+</button>
  <button id="left">&larr;</button>
  <button id="right">&rarr;</button>
  <button id="up">&uarr;</button>
  <button id="down">&darr;</button>
</div>
<svg xmlns="https://www.w3.org/2000/svg" viewBox="-0.2 -1 379 334" width="379" height="334">
 <g id="octocat">
 <path id="puddle" fill="#9CDAF1" d="m296.94 295.43c0 20.533-47.56 37.176-106.22 37.176-58.67 0-106.23-16.643-106.23-37.176s47.558-37.18 106.23-37.18c58.66 0 106.22 16.65 106.22 37.18z"/>
 <g id="shadow-legs" fill="#7DBBE6">
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 </g>
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 <path id="eyes" fill="#FFF" d="m160.1 126.06 c0 13.994-7.88 25.336-17.6 25.336-9.72 0-17.6-11.342-17.6-25.336 0-13.992 7.88-25.33 17.6-25.33 9.72.01 17.6 11.34 17.6 25.33z m94.43 0 c0 13.994-7.88 25.336-17.6 25.336-9.72 0-17.6-11.342-17.6-25.336 0-13.992 7.88-25.33 17.6-25.33 9.72.01 17.6 11.34 17.6 25.33z"/>
 <g fill="#AD5C51">
   <path id="pupils" d="m154.46 126.38 c0 9.328-5.26 16.887-11.734 16.887s-11.733-7.559-11.733-16.887c0-9.331 5.255-16.894 11.733-16.894 6.47 0 11.73 7.56 11.73 16.89z m94.42 0 c0 9.328-5.26 16.887-11.734 16.887s-11.733-7.559-11.733-16.887c0-9.331 5.255-16.894 11.733-16.894 6.47 0 11.73 7.56 11.73 16.89z"/>
   <circle id="nose" cx="188.5" cy="148.56" r="4.401"/>
   <path id="mouth" d="m178.23 159.69c-.26-.738.128-1.545.861-1.805.737-.26 1.546.128 1.805.861 1.134 3.198 4.167 5.346 7.551 5.346s6.417-2.147 7.551-5.346c.26-.738 1.067-1.121 1.805-.861s1.121 1.067.862 1.805c-1.529 4.324-5.639 7.229-10.218 7.229s-8.68-2.89-10.21-7.22z"/>
 </g>
 <path id="octo" fill="#C3E4D8" d="m80.641 179.82 c0 1.174-1.376 2.122-3.07 2.122-1.693 0-3.07-.948-3.07-2.122 0-1.175 1.377-2.127 3.07-2.127 1.694 0 3.07.95 3.07 2.13z m8.5 4.72 c0 1.174-1.376 2.122-3.07 2.122-1.693 0-3.07-.948-3.07-2.122 0-1.175 1.377-2.127 3.07-2.127 1.694 0 3.07.95 3.07 2.13z m5.193 6.14 c0 1.174-1.376 2.122-3.07 2.122-1.693 0-3.07-.948-3.07-2.122 0-1.175 1.377-2.127 3.07-2.127 1.694 0 3.07.95 3.07 2.13z m4.72 7.08 c0 1.174-1.376 2.122-3.07 2.122-1.693 0-3.07-.948-3.07-2.122 0-1.175 1.377-2.127 3.07-2.127 1.694 0 3.07.95 3.07 2.13z m5.188 6.61 c0 1.174-1.376 2.122-3.07 2.122-1.693 0-3.07-.948-3.07-2.122 0-1.175 1.377-2.127 3.07-2.127 1.694 0 3.07.95 3.07 2.13z m7.09 5.66 c0 1.174-1.376 2.122-3.07 2.122-1.693 0-3.07-.948-3.07-2.122 0-1.175 1.377-2.127 3.07-2.127 1.694 0 3.07.95 3.07 2.13z m9.91 3.78 c0 1.174-1.376 2.122-3.07 2.122-1.693 0-3.07-.948-3.07-2.122 0-1.175 1.377-2.127 3.07-2.127 1.694 0 3.07.95 3.07 2.13z m9.87 0 c0 1.174-1.376 2.122-3.07 2.122-1.693 0-3.07-.948-3.07-2.122 0-1.175 1.377-2.127 3.07-2.127 1.694 0 3.07.95 3.07 2.13z m10.01 -1.64 c0 1.174-1.376 2.122-3.07 2.122-1.693 0-3.07-.948-3.07-2.122 0-1.175 1.377-2.127 3.07-2.127 1.694 0 3.07.95 3.07 2.13z"/>
 <path id="drop" fill="#9CDAF1" d="m69.369 186.12l-3.066 10.683s-.8 3.861 2.84 4.546c3.8-.074 3.486-3.627 3.223-4.781z"/>
  </g>
</svg>
<script>
function go () {

const svg = d3.select('svg'),
    width = +svg.attr("width"),
    height = +svg.attr("height"),
    octocat = d3.select('#octocat')

, zoom = d3.zoom()
    .scaleExtent([0.1, 10])
    .translateExtent([[-100, -100], [width + 100, height + 100]])
    .on("zoom", zoomed)

, x = d3.scaleLinear()
    .domain([-1, width + 1])
    .range([-1, width + 1])

, y = d3.scaleLinear()
    .domain([-1, height + 1])
    .range([-1, height + 1])

, xAxis = d3.axisBottom(x)
    .ticks((width + 2) / (height + 2) * 10)
    .tickSize(height)
    .tickPadding(8 - height)

, yAxis = d3.axisRight(y)
    .ticks(10)
    .tickSize(width)
    .tickPadding(8 - width)

, gX = svg.append("g")
    .attr("class", "axis axis--x")
    .call(xAxis)

, gY = svg.append("g")
    .attr("class", "axis axis--y")
    .call(yAxis)

d3.selectAll("button")
	.on("click", clicker);

octocat
 	.call(zoom)

function zoomed() {
	octocat
		.attr("transform", d3.event.transform);
  gX.call(xAxis.scale(d3.event.transform.rescaleX(x)));
  gY.call(yAxis.scale(d3.event.transform.rescaleY(y)));

}

function clicker(){
  var str = this.getAttribute('id')
  if ( button_func[str]) {
    button_func[str]( 
      d3.select('#octocat').transition().duration(750)
    )
  }
}

var button_func = {
  reset: function (el) {
    el.call(zoom.transform, d3.zoomIdentity);
  },
  up:    (el) => zoom.translateBy(el, 0, -10),
  down:  (el) => zoom.translateBy(el, 0, 10),
  left:  (el) => zoom.translateBy(el, -10, 0),
	right: (el) => zoom.translateBy(el, 10, 0),
  in:    (el) => zoom.scaleBy(el, 1.2),
  out:   (el) => zoom.scaleBy(el, 0.8)
}

}
window.onload = go;
        </script>
</body>

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