Experimenting with transformations and d3 geo stuff in general. I like the way the north pole
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August 29, 2015 14:02
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Basic d3 Animations gnomic south pole
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| <!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="http://d3js.org/d3.v3.js"></script> | |
| <script src="http://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> |
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