Fil · February 23, 2018 16:19
diff --git a/.block b/.block
 license: gpl-3.0
diff --git a/README.md b/README.md
diff --git a/index.html b/index.html
 <!DOCTYPE html>
 <meta charset="utf-8">
 <style>

 body {
  background: white;
 }

 .stroke {
  fill: none;
  stroke: #000;
  stroke-width: 3px;
 }

 .fill {
  fill: #f6f9fd;
 }

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

 .land {
  fill: #162d73;
 }

 #rhumb {
 	stroke: #dd4f98;
  stroke-opacity: 0.5;
  stroke-width: 1.5;
  fill: none;
 }

 </style>
 <body>
 <script src="https://d3js.org/d3.v4.min.js"></script>
 <script src="https://d3js.org/d3-geo-projection.v2.min.js"></script>
 <script src="https://d3js.org/topojson.v2.min.js"></script>
 <script>

 var width = 960,
    height = 530;

 var projection = d3.geoLoximuthal()
 .rotate([-10,0]);

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

 var graticule = d3.geoGraticule();

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

 svg.append("defs").append("path")
    .datum({type: "Sphere"})
    .attr("id", "sphere");

 svg.append("use")
    .attr("class", "stroke")
    .attr("xlink:href", "#sphere");

 svg.append("use")
    .attr("class", "fill")
    .attr("xlink:href", "#sphere");

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

 d3.json("https://unpkg.com/world-atlas/world/110m.json", function(error, world) {
  if (error) throw error;

  svg.insert("path", ".graticule")
      .datum(topojson.feature(world, world.objects.land))
      .attr("class", "land");

  draw();
 });

  var rhumb = [], lat0 = -85, lon0 = 0, K = 0.001, k = 0.06 / Math.sqrt(1 + K*K), radians = Math.PI / 180;
  for(var i = 0; i < 3000; i++) {
    var s = i,
        lat = lat0 + k * s,
        lon = lon0 + 1/K * Math.log(
          (1 - Math.sin(lat * radians))
          * Math.cos(lat0 * radians)
          / (1 - Math.sin(lat0 * radians))
          / Math.cos(lat * radians)
        );
    if (Math.abs(lat) < 85) rhumb.push([lon % 360, lat]);
  }
  var rhumbline = {type: "LineString", coordinates: rhumb };
  svg.append('path').datum(rhumbline)
  .attr('id', 'rhumb');

  draw();

  svg.on('mousemove click', function() {
    var p = projection.invert(d3.mouse(this));
    if (p && Math.abs(p[1]) < 88) projection.parallel(p[1]);
    draw();
  })

  function draw() {
    const margin = 10;
    const width = Math.min(960, window.innerWidth),
          height = Math.min(width / 2, window.innerHeight);
    svg.attr('height', height).attr('width', width)
    projection.fitExtent([[margin, margin], [width - margin, height - margin]], {
      type: "Sphere"
    });

    svg.selectAll('path').attr('d', path)
  }

  d3.select(window).on('resize', draw);
 </script>
diff --git a/thumbnail.png b/thumbnail.png
	<!DOCTYPE html>
	<meta charset="utf-8">
	<style>

	body {
	background: white;
	}

	.stroke {
	fill: none;
	stroke: #000;
	stroke-width: 3px;
	}

	.fill {
	fill: #f6f9fd;
	}

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

	.land {
	fill: #162d73;
	}

	#rhumb {
	stroke: #dd4f98;
	stroke-opacity: 0.5;
	stroke-width: 1.5;
	fill: none;
	}

	</style>
	<body>
	<script src="https://d3js.org/d3.v4.min.js"></script>
	<script src="https://d3js.org/d3-geo-projection.v2.min.js"></script>
	<script src="https://d3js.org/topojson.v2.min.js"></script>
	<script>

	var width = 960,
	height = 530;

	var projection = d3.geoLoximuthal()
	.rotate([-10,0]);

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

	var graticule = d3.geoGraticule();

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

	svg.append("defs").append("path")
	.datum({type: "Sphere"})
	.attr("id", "sphere");

	svg.append("use")
	.attr("class", "stroke")
	.attr("xlink:href", "#sphere");

	svg.append("use")
	.attr("class", "fill")
	.attr("xlink:href", "#sphere");

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

	d3.json("https://unpkg.com/world-atlas/world/110m.json", function(error, world) {
	if (error) throw error;

	svg.insert("path", ".graticule")
	.datum(topojson.feature(world, world.objects.land))
	.attr("class", "land");

	draw();
	});

	var rhumb = [], lat0 = -85, lon0 = 0, K = 0.001, k = 0.06 / Math.sqrt(1 + K*K), radians = Math.PI / 180;
	for(var i = 0; i < 3000; i++) {
	var s = i,
	lat = lat0 + k * s,
	lon = lon0 + 1/K * Math.log(
	(1 - Math.sin(lat * radians))
	* Math.cos(lat0 * radians)
	/ (1 - Math.sin(lat0 * radians))
	/ Math.cos(lat * radians)
	);
	if (Math.abs(lat) < 85) rhumb.push([lon % 360, lat]);
	}
	var rhumbline = {type: "LineString", coordinates: rhumb };
	svg.append('path').datum(rhumbline)
	.attr('id', 'rhumb');

	draw();

	svg.on('mousemove click', function() {
	var p = projection.invert(d3.mouse(this));
	if (p && Math.abs(p[1]) < 88) projection.parallel(p[1]);
	draw();
	})

	function draw() {
	const margin = 10;
	const width = Math.min(960, window.innerWidth),
	height = Math.min(width / 2, window.innerHeight);
	svg.attr('height', height).attr('width', width)
	projection.fitExtent([[margin, margin], [width - margin, height - margin]], {
	type: "Sphere"
	});

	svg.selectAll('path').attr('d', path)
	}

	d3.select(window).on('resize', draw);
	</script>