Basic d3 Animations gnomic south pole

Experimenting with transformations and d3 geo stuff in general. I like the way the north pole

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

.graticule {
  fill: none;
  stroke: #777;
  stroke-width: .5px;
  stroke-opacity: .5;
}

.land {
  fill: #222;
}

.boundary {
  fill: none;
  stroke: #fff;
  stroke-width: .5px;
}

</style>
<body>
<script src="https://d3js.org/d3.v3.js"></script>
<script src="https://d3js.org/topojson.v1.min.js"></script>
<script>

var width = 960,
    height = 960;

var projection = d3.geo.gnomonic()
    .clipAngle(90 - 1e-3)
    .scale(150)
    .translate([width/2, height / 2])
    .precision(.1)
    // rotate([yaw, pitch, roll]) or long lat and roll
    .rotate([100,90,-190])
  //  .center([-240,20])

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

var graticule = d3.geo.graticule();

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

svg.append("path")
    .datum(graticule)
    .attr("class", "graticule")
    .attr("d", path);

d3.json("/mpmckenna8/raw/9965876/world-50m.json", function(error, world) {
  svg.insert("path", ".graticule")
      .datum(topojson.feature(world, world.objects.land))
      .attr("class", "land")
      .attr("d", path);

svg.insert("path", ".graticule")
      .datum(topojson.mesh(world, world.objects.countries, function(a, b) { return a !== b; }))
      .attr("class", "boundary")
      .attr("d", path);

d3.selectAll('path')
        .transition()
        .duration(5000)
        .attr("transform", "translate(" + width / 2 + "," + height / 2 + ")scale("+.3 + ")translate(" + -600 + "," + -500 + ")")
          .style("stroke-width", 4 + "px")
          .style("stroke", "pink");

d3.selectAll('.land')
            .transition()
            .delay(6999)
            .duration(6999)
            .style("fill","lawngreen");

d3.selectAll('svg')
          .on('click', function(){
            console.log('flip should have changed');

flip = 1
            d3.selectAll('path')
            .transition()
            .duration(1000)
            //couldn't get this part to do anything fun like change the zoom to anythin back to 1, click to see
           .attr("transform", "translate(" - width / 2 + "," -height / 2 + ")scale("+4 +")")
              .style("stroke-width", 4 + "px")
              .style("stroke", "orange");
          })

});

d3.select(self.frameElement).style("height", height + "px");

d3.select('svg')
  .style('background', 'green')
  .transition()
  .delay(4000)
  .duration(3000)
    .style('background', 'blue')

</script>

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

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

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

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