darrenjaworski/index.html

## readme.md

      
    Raw
  

              readme.md
            
          
    Part 1 of the transition works fine!

  
## index.html
<!DOCTYPE html>
<meta charset="utf-8">
    <body>

    <script src="//ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js"></script>
    <script src="http://d3js.org/d3.v3.min.js"></script>
    <script src="http://d3js.org/topojson.v1.min.js"></script>
    <script>
    ( function map() {

        var width = $(window).width() - 16,
            height = width,
            graticule = d3.geo.graticule(),
            norman = [-97.44, 35.22], //35.2200° N, 97.4400° W norman
            tunisia = [9, 34], //34.0000° N, 9.0000° E tunisia
            delay = 1000,
            duration = 3000;

        var projection = d3.geo.orthographic()
            .scale(width / 2)
            .clipAngle(90)
            .translate([width / 2, height / 2]);

        var canvas = d3.select("body").append("canvas")
            .attr("width", width)
            .attr("height", height);

        var context = canvas.node().getContext("2d");

        var path = d3.geo.path()
            .projection(projection)
            .context(context);

        d3.json("world.json", function(error, world) {

            var countries = topojson.feature(world, world.objects.countries),
                land = topojson.feature(world, world.objects.land),
                grid = graticule(),
                globe = {type:"Sphere"};

            function projrotate(array){

                projection.rotate([-array[0], -array[1]]);

            }

            function draw() {

                context.beginPath();
                path(countries);
                context.fillStyle = "#000";
                context.fill();
                context.strokeStyle = "#fff";
                context.stroke();

                context.beginPath();
                path(globe);
                context.lineWidth = 2;
                context.strokeStyle = "#000";
                context.stroke();

                context.beginPath();
                path(grid);
                context.lineWidth = .5;
                context.strokeStyle = "#bbb";
                context.stroke();

            };

            projrotate(tunisia)
            draw();

            ( function transition() {

                d3.transition()
                    .delay(delay)
                    .duration(duration)
                    .tween("rotate", function() {

                        var r = d3.interpolate(projection.rotate(), [-norman[0], -norman[1]]);

                        return function(t) {

                            projection.rotate(r(t));
                            context.clearRect(0, 0, width, height);
                            draw();

                        }

                    })
                    .transition()

            }) ();


        });


    }) ();
    </script>

## world.json

      
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              world.json
            
          
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	<!DOCTYPE html>
	<meta charset="utf-8">
	<body>

	<script src="//ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js"></script>
	<script src="http://d3js.org/d3.v3.min.js"></script>
	<script src="http://d3js.org/topojson.v1.min.js"></script>
	<script>
	( function map() {

	var width = $(window).width() - 16,
	height = width,
	graticule = d3.geo.graticule(),
	norman = [-97.44, 35.22], //35.2200° N, 97.4400° W norman
	tunisia = [9, 34], //34.0000° N, 9.0000° E tunisia
	delay = 1000,
	duration = 3000;

	var projection = d3.geo.orthographic()
	.scale(width / 2)
	.clipAngle(90)
	.translate([width / 2, height / 2]);

	var canvas = d3.select("body").append("canvas")
	.attr("width", width)
	.attr("height", height);

	var context = canvas.node().getContext("2d");

	var path = d3.geo.path()
	.projection(projection)
	.context(context);

	d3.json("world.json", function(error, world) {

	var countries = topojson.feature(world, world.objects.countries),
	land = topojson.feature(world, world.objects.land),
	grid = graticule(),
	globe = {type:"Sphere"};

	function projrotate(array){

	projection.rotate([-array[0], -array[1]]);

	}

	function draw() {

	context.beginPath();
	path(countries);
	context.fillStyle = "#000";
	context.fill();
	context.strokeStyle = "#fff";
	context.stroke();

	context.beginPath();
	path(globe);
	context.lineWidth = 2;
	context.strokeStyle = "#000";
	context.stroke();

	context.beginPath();
	path(grid);
	context.lineWidth = .5;
	context.strokeStyle = "#bbb";
	context.stroke();

	};

	projrotate(tunisia)
	draw();

	( function transition() {

	d3.transition()
	.delay(delay)
	.duration(duration)
	.tween("rotate", function() {

	var r = d3.interpolate(projection.rotate(), [-norman[0], -norman[1]]);

	return function(t) {

	projection.rotate(r(t));
	context.clearRect(0, 0, width, height);
	draw();

	}

	})
	.transition()

	}) ();


	});



	}) ();
	</script>