k9/.block

## .block
license: gpl-3.0

## README.md

      
    Raw
  

              README.md
            
          
    forked from mbostock's block: Satellite Projection

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

.graticule {
  fill: none;
  stroke: #777;
}

.country {
  fill: #e8eee8;
  stroke: #fff;
  stroke-width: 2px;
}

.river {
  fill: none;
  stroke: #aac;
  stroke-width: 0.5px;
}

.lake {
  fill: #aac;
}
</style>
<body>
<script src='https://cdnjs.cloudflare.com/ajax/libs/d3/4.2.0/d3.min.js'></script>
<script src='https://d3js.org/topojson.v1.min.js'></script>
<script src='https://d3js.org/d3-geo-projection.v1.min.js'></script>
<script>

var width = 960,
    height = 480

var latitude = 0,
    longitude = 0

var mouseInteraction = false
var distance = 2.0
var projection = d3.geoSatellite()
    .distance(distance)
    .scale(450)
    .clipAngle(Math.acos(1 / distance) * 180 / Math.PI - 1e-6)
    .precision(.1);

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

var svg = d3.select("body").append("svg")
    .attr("width", width)
    .attr("height", height)
    .on("mouseover", function () { mouseInteraction = true })
    .on("mouseout", function () { mouseInteraction = false })

d3.json("vectors.json", function(error, vectors) {
  if (error) throw error;

  var countries = topojson.feature(vectors, vectors.objects.countries)
  var rivers = topojson.feature(vectors, vectors.objects.rivers)
  var lakes = topojson.feature(vectors, vectors.objects.lakes)

  var countryPaths = this.svg.selectAll('.country')
      .data(countries.features)
      .enter().insert('path')
      .attr('class', 'country')
      .attr('d', path);

  var riverPaths = this.svg.selectAll('.river')
      .data(rivers.features)
      .enter().insert('path')
      .attr('class', 'river')
      .attr('d', path);

  var lakePaths = this.svg.selectAll('.lake')
      .data(lakes.features)
      .enter().insert('path')
      .attr('class', 'lake')
      .attr('d', path);

  svg.on('mousemove', function() {
    var position = d3.mouse(this)
    latitude = 90 - (position[1] / 480 * 180)
    longitude = position[0] / 960 * 360
  })


  function render () {
    if (!mouseInteraction) {
      longitude += 1
    }

    projection.rotate([longitude, latitude, 0])
    countryPaths.attr('d', path)
    riverPaths.attr('d', path)
    lakePaths.attr('d', path)
    window.requestAnimationFrame(render)
  }

  render()
});

d3.select(self.frameElement).style("height", height + "px");
</script>

## vectors.json

      
Display the source blob

    
Display the rendered blob

    
    Raw
  

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

	.graticule {
	fill: none;
	stroke: #777;
	}

	.country {
	fill: #e8eee8;
	stroke: #fff;
	stroke-width: 2px;
	}

	.river {
	fill: none;
	stroke: #aac;
	stroke-width: 0.5px;
	}

	.lake {
	fill: #aac;
	}
	</style>
	<body>
	<script src='https://cdnjs.cloudflare.com/ajax/libs/d3/4.2.0/d3.min.js'></script>
	<script src='https://d3js.org/topojson.v1.min.js'></script>
	<script src='https://d3js.org/d3-geo-projection.v1.min.js'></script>
	<script>

	var width = 960,
	height = 480

	var latitude = 0,
	longitude = 0

	var mouseInteraction = false
	var distance = 2.0
	var projection = d3.geoSatellite()
	.distance(distance)
	.scale(450)
	.clipAngle(Math.acos(1 / distance) * 180 / Math.PI - 1e-6)
	.precision(.1);

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

	var svg = d3.select("body").append("svg")
	.attr("width", width)
	.attr("height", height)
	.on("mouseover", function () { mouseInteraction = true })
	.on("mouseout", function () { mouseInteraction = false })

	d3.json("vectors.json", function(error, vectors) {
	if (error) throw error;

	var countries = topojson.feature(vectors, vectors.objects.countries)
	var rivers = topojson.feature(vectors, vectors.objects.rivers)
	var lakes = topojson.feature(vectors, vectors.objects.lakes)

	var countryPaths = this.svg.selectAll('.country')
	.data(countries.features)
	.enter().insert('path')
	.attr('class', 'country')
	.attr('d', path);

	var riverPaths = this.svg.selectAll('.river')
	.data(rivers.features)
	.enter().insert('path')
	.attr('class', 'river')
	.attr('d', path);

	var lakePaths = this.svg.selectAll('.lake')
	.data(lakes.features)
	.enter().insert('path')
	.attr('class', 'lake')
	.attr('d', path);

	svg.on('mousemove', function() {
	var position = d3.mouse(this)
	latitude = 90 - (position[1] / 480 * 180)
	longitude = position[0] / 960 * 360
	})


	function render () {
	if (!mouseInteraction) {
	longitude += 1
	}

	projection.rotate([longitude, latitude, 0])
	countryPaths.attr('d', path)
	riverPaths.attr('d', path)
	lakePaths.attr('d', path)
	window.requestAnimationFrame(render)
	}

	render()
	});

	d3.select(self.frameElement).style("height", height + "px");
	</script>