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May 21, 2017 22:40
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Census Watershed Map
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| license: mit |
This file contains 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
| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <title>Anacostia Watershed Census</title> | |
| <body> | |
| <script src="//d3js.org/d3.v4.min.js"></script> | |
| <script src="//d3js.org/topojson.v2.min.js"></script> | |
| <script> | |
| var width = 960, height = 500; | |
| var svg = d3.select('body').append('svg') | |
| .attr('width', width) | |
| .attr('height', height); | |
| // For d3 representation of various stateplanes, see: d3-stateplane | |
| // We'll set the scale and translate later, based on the data | |
| var projection = d3.geoConicConformal() | |
| .parallels([38 + 18 / 60, 39 + 27 / 60]) | |
| .rotate([77, -37 - 40 / 60]); | |
| var path = d3.geoPath() | |
| .projection(projection); | |
| d3.json("https://raw.githubusercontent.com/leenoah1/class_project/master/geop-wtshd.json", function(error, json) { | |
| if (error) throw error; | |
| // Convert topojson to geojson | |
| geojson = topojson.feature(json, json.objects.NAD83censuswtshd); | |
| // Set the projection's scale and translate based on the geojson | |
| projection.fitSize([960, 500], geojson); | |
| // Plot the individual counties | |
| svg.selectAll('path.tract') | |
| .data( geojson.features ) | |
| .enter().append('path') | |
| .attr('d', path) | |
| .attr('class', 'tract') | |
| .style('fill', 'none') | |
| .style('stroke', '#000') | |
| .style('stroke-opacity', '1') | |
| .on('mouseover', function(d, i) { | |
| console.log('mouseover:', i, d); | |
| d3.select(this).attr('fill', 'yellow'); | |
| d3.select(".info").html(d.properties.White_NewP + "<br>White" | |
| + "<br>Latino: " + d.properties.Latino_New | |
| + "<br>Black: " + d.properties.Black_NewP | |
| + "<br>Asian: " + d.properties.Asian_NewP | |
| + "<br>Other Race: " + d.properties.OtherRace_ | |
| + "<br>MoreThanOneRace: " + d.properties.More1Race_) | |
| }) | |
| .on('mouseout', function(d) { | |
| d3.select(this).attr('fill', '#ff1462'); | |
| d3.select(".info").html("") | |
| }); | |
| }); | |
| </script> |
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