D3 map of Australia using Natural Earth, topojson and a lambert conformal conic projection.
Parameters from Geo Repository.
Some help from Mike Bostock's Mexican Municipalities.
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D3 Australia Conformal Conic
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| australian-states.json | |
| ne_10m_admin_1_states_provinces_lakes.geojson | |
| ne_10m_admin_1_states_provinces_lakes.geojson.gz |
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| <!DOCTYPE html> | |
| <html> | |
| <meta charset="utf-8"> | |
| <style> | |
| .states { | |
| fill: #222; | |
| } | |
| .states :hover { | |
| fill: orange; | |
| } | |
| </style> | |
| <head> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js"></script> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/topojson/1.6.19/topojson.min.js"></script> | |
| </head> | |
| <body> | |
| <script> | |
| var width = 960, | |
| height = 628; | |
| var projection = d3.geo.conicConformal() | |
| .rotate([-132, 0]) | |
| .center([0, -27]) | |
| .parallels([-18, -36]) | |
| .scale(Math.min(height * 1.2, width * 0.8)) | |
| .translate([width / 2, height / 2]) | |
| .precision(0.1); | |
| var path = d3.geo.path() | |
| .projection(projection); | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", width) | |
| .attr("height", height); | |
| d3.json("australia.json", function(error, australia) { | |
| if (error) throw error; | |
| svg.append("g") | |
| .attr("class", "states") | |
| .selectAll("path") | |
| .data(topojson.feature(australia, australia.objects.states).features) | |
| .enter().append("path") | |
| .attr("d", path) | |
| }); | |
| d3.select(self.frameElement).style("height", height + "px"); | |
| </script> | |
| </body> | |
| </html> |
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| # brew install wget gdal | |
| # npm install -g topojson | |
| australia.json: australian-states.json | |
| topojson -o australia.json -- states=australian-states.json | |
| australian-states.json: ne_10m_admin_1_states_provinces_lakes.geojson | |
| ogr2ogr -where "admin='Australia'" -f GeoJSON australian-states.json ne_10m_admin_1_states_provinces_lakes.geojson | |
| ne_10m_admin_1_states_provinces_lakes.geojson: ne_10m_admin_1_states_provinces_lakes.geojson.gz | |
| gunzip -k -f ne_10m_admin_1_states_provinces_lakes.geojson.gz | |
| ne_10m_admin_1_states_provinces_lakes.geojson.gz: | |
| wget https://github.com/nvkelso/natural-earth-vector/raw/master/geojson/ne_10m_admin_1_states_provinces_lakes.geojson.gz | |
| touch ne_10m_admin_1_states_provinces_lakes.geojson.gz |
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