Dynamically fitting a d3 topojson map to a resizeable container. This uses the new convience method fitSize in d3 version 4.
Created
February 5, 2017 14:12
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fitSize in d3 version 4
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| license: mit |
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="utf-8" /> | |
| <meta name="viewport" content="width=device-width, initial-scale=1" /> | |
| <title>jQuery UI Resizable - Default functionality</title> | |
| <script data-require="d3@4.0.0" data-semver="4.0.0" src="https://d3js.org/d3.v4.min.js"></script> | |
| <script data-require="d3@4.0.0" data-semver="4.0.0" src="https://d3js.org/topojson.v2.min.js"></script> | |
| <link rel="stylesheet" href="//code.jquery.com/ui/1.12.1/themes/base/jquery-ui.css" /> | |
| <style> | |
| #resizable { | |
| width: 150px; | |
| height: 150px; | |
| padding: 0.5em; | |
| } | |
| </style> | |
| <script src="https://code.jquery.com/jquery-1.12.4.js"></script> | |
| <script src="https://code.jquery.com/ui/1.12.1/jquery-ui.js"></script> | |
| <script> | |
| $(function() { | |
| $("#resizable").resizable({ | |
| resize: function(event, ui) { | |
| drawMap(ui.size.width, ui.size.height); | |
| } | |
| }); | |
| var svg = d3.select("#resizable") | |
| .append("svg"), | |
| path = svg.append("path"); | |
| var states; | |
| d3.json('https://jsonblob.com/api/9e44a352-eb09-11e6-90ab-059f7355ffbc', function(error, data) { | |
| states = topojson.feature(data, data.objects.states); | |
| drawMap(150, 150); | |
| }); | |
| function drawMap(w, h) { | |
| svg.attr('width', w) | |
| .attr('height', h); | |
| var projection = d3.geoAlbersUsa() | |
| .scale(1).fitSize([w, h], states); | |
| var geoPath = d3.geoPath().projection(projection); | |
| path | |
| .datum(states) | |
| .attr("d", geoPath); | |
| } | |
| }); | |
| </script> | |
| </head> | |
| <body> | |
| <div id="resizable" class="ui-widget-content"></div> | |
| </body> | |
| </html> |
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