Created
August 8, 2017 17:35
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JS Bin Map with changing detail via buttons // source http://jsbin.com/wicozeq
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta name="description" content="Map with changing detail via buttons"> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/4.2.3/d3.min.js"></script> | |
| <meta charset="utf-8"> | |
| <meta name="viewport" content="width=device-width"> | |
| <title>JS Bin</title> | |
| <style id="jsbin-css"> | |
| path | |
| fill: #ccc | |
| </style> | |
| </head> | |
| <body> | |
| <div id="map" style="width: 600px; height: 600px;"> | |
| <svg width="600" height="600"> | |
| <g> | |
| </g> | |
| </svg> | |
| <button id="show-block">Block</button> | |
| <button id="show-neighborhood">Neighborhood</button> | |
| </div> | |
| <script id="jsbin-javascript"> | |
| var projection = d3.geoAlbers(); | |
| var geoGenerator = d3.geoPath() | |
| .projection(projection); | |
| var map = d3.select('#map g') | |
| neighborhoods = 'https://raw.githubusercontent.com/codeforamerica/click_that_hood/master/public/data/boston.geojson'; | |
| blocks = 'https://gist.githubusercontent.com/milafrerichs/12fbfb500be19a41f39a581c8285ecb0/raw/a0734d28b47d48a06ca917529369cb35d232602b/residential_and_non_residential_building_.geojson'; | |
| function drawMap(data) { | |
| projection | |
| .fitExtent([[20, 20], [600, 600]], data) | |
| u = map.selectAll('path') | |
| .data(data.features); | |
| u.enter() | |
| .append('path') | |
| .merge(u) | |
| .attr('d', geoGenerator); | |
| u.exit().remove() | |
| } | |
| var q = d3.queue(); | |
| q.defer(d3.json,neighborhoods); | |
| q.defer(d3.json,blocks) | |
| .awaitAll(function(error, results) { | |
| blockData = results[1]; | |
| neighborhoodData = results[0]; | |
| drawMap(blockData) | |
| d3.select('#show-block').on('click', function() { drawMap(blockData);}) | |
| d3.select('#show-neighborhood').on('click', function() { drawMap(neighborhoodData);}) | |
| }) | |
| </script> | |
| <script id="jsbin-source-css" type="text/css">path | |
| fill: #ccc</script> | |
| <script id="jsbin-source-javascript" type="text/javascript">var projection = d3.geoAlbers(); | |
| var geoGenerator = d3.geoPath() | |
| .projection(projection); | |
| var map = d3.select('#map g') | |
| neighborhoods = 'https://raw.githubusercontent.com/codeforamerica/click_that_hood/master/public/data/boston.geojson'; | |
| blocks = 'https://gist.githubusercontent.com/milafrerichs/12fbfb500be19a41f39a581c8285ecb0/raw/a0734d28b47d48a06ca917529369cb35d232602b/residential_and_non_residential_building_.geojson'; | |
| function drawMap(data) { | |
| projection | |
| .fitExtent([[20, 20], [600, 600]], data) | |
| u = map.selectAll('path') | |
| .data(data.features); | |
| u.enter() | |
| .append('path') | |
| .merge(u) | |
| .attr('d', geoGenerator); | |
| u.exit().remove() | |
| } | |
| var q = d3.queue(); | |
| q.defer(d3.json,neighborhoods); | |
| q.defer(d3.json,blocks) | |
| .awaitAll(function(error, results) { | |
| blockData = results[1]; | |
| neighborhoodData = results[0]; | |
| drawMap(blockData) | |
| d3.select('#show-block').on('click', function() { drawMap(blockData);}) | |
| d3.select('#show-neighborhood').on('click', function() { drawMap(neighborhoodData);}) | |
| })</script></body> | |
| </html> |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
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| path | |
| fill: #ccc |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| var projection = d3.geoAlbers(); | |
| var geoGenerator = d3.geoPath() | |
| .projection(projection); | |
| var map = d3.select('#map g') | |
| neighborhoods = 'https://raw.githubusercontent.com/codeforamerica/click_that_hood/master/public/data/boston.geojson'; | |
| blocks = 'https://gist.githubusercontent.com/milafrerichs/12fbfb500be19a41f39a581c8285ecb0/raw/a0734d28b47d48a06ca917529369cb35d232602b/residential_and_non_residential_building_.geojson'; | |
| function drawMap(data) { | |
| projection | |
| .fitExtent([[20, 20], [600, 600]], data) | |
| u = map.selectAll('path') | |
| .data(data.features); | |
| u.enter() | |
| .append('path') | |
| .merge(u) | |
| .attr('d', geoGenerator); | |
| u.exit().remove() | |
| } | |
| var q = d3.queue(); | |
| q.defer(d3.json,neighborhoods); | |
| q.defer(d3.json,blocks) | |
| .awaitAll(function(error, results) { | |
| blockData = results[1]; | |
| neighborhoodData = results[0]; | |
| drawMap(blockData) | |
| d3.select('#show-block').on('click', function() { drawMap(blockData);}) | |
| d3.select('#show-neighborhood').on('click', function() { drawMap(neighborhoodData);}) | |
| }) |
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