Orthographic transition I

Let's get this thing moving... not DRY

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

var width = $(window).width() - 16,
            height = width,
            graticule = d3.geo.graticule(),
            norman = [97.44, -35.22, 0],
            tunisia = [-9, -34, 0];
            //35.2200° N, 97.4400° W norman
            //34.0000° N, 9.0000° E tunisia

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("/d/4090846/world-110m.json", function(error, world) {

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

projection.rotate(norman);
            context.beginPath();
            path(countries);
            context.fillStyle = "#000";
            context.fill();

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

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

( function transition() {

d3.transition()
                    .delay(2000)
                    .duration(10)
                    .tween("rotate", function() {

context.clearRect(0, 0, width, height);
                        projection.rotate(tunisia);
                        context.beginPath();
                        path(countries);
                        context.fillStyle = "#000";
                        context.fill();

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

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

});

}) ();

});

}) ();
    </script>

Modified http://d3js.org/d3.v3.min.js to a secure url

Modified http://d3js.org/topojson.v1.min.js to a secure url

https://ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js

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

https://d3js.org/topojson.v1.min.js