-
-
Save blech/4111bed70605fb1ed594d969320a87da to your computer and use it in GitHub Desktop.
California Votes - Prop 6, Nov 2018
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
| --- | |
| height: 800 | |
| scrolling: no | |
| border: no |
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
| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>California Votes: Mercator projection</title> | |
| <script type="text/javascript" src="http://d3js.org/d3.v3.min.js"></script> | |
| <script src="https://d3js.org/d3-scale.v2.min.js"></script> | |
| <style type="text/css"> | |
| body { | |
| margin: 0; | |
| background-color: #ffffff; | |
| font-family: sans-serif; | |
| } | |
| #container { | |
| width: 800px; | |
| margin-left: 0px; | |
| margin-right: auto; | |
| margin-top: 0px; | |
| padding: 30px; | |
| background-color: white; | |
| } | |
| h1 { | |
| font-size: 24px; | |
| margin: 0; | |
| } | |
| p { | |
| font-size: 16px; | |
| margin: 15px 0 10px 0; | |
| } | |
| a { | |
| color: #799DCB; | |
| text-decoration: none; | |
| transition: color .3s, background .3s, border .3s; | |
| } | |
| a:hover { | |
| color: #48494b; | |
| background: #e7e8e9; | |
| } | |
| svg { | |
| background-color: white; | |
| padding-left: 20px; | |
| } | |
| path { | |
| stroke: #000; | |
| } | |
| path:hover { | |
| /*fill:#48494b;*/ | |
| cursor:pointer; | |
| } | |
| #tooltip { | |
| width: 150px; | |
| height: auto; | |
| padding: 5px; | |
| background-color: #fff; | |
| color: #000; | |
| -webkit-border-radius: 5px; | |
| -moz-border-radius: 5px; | |
| border-radius: 5px; | |
| -webkit-box-shadow: 3px 3px 8px rgba(0, 0, 0, 0.4); | |
| -moz-box-shadow: 3px 3px 8px rgba(0, 0, 0, 0.4); | |
| box-shadow: 3px 3px 8px rgba(0, 0, 0, 0.4); | |
| pointer-events: none; | |
| position: absolute; | |
| } | |
| #tooltip.hidden { | |
| display: none; | |
| } | |
| #tooltip p { | |
| margin: 0; | |
| font-size: 14px; | |
| line-height: 18px; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <body> | |
| <div id="container"> | |
| <h1>Votes on Prop 6</h1> | |
| <p>Sources: <a href="https://www.census.gov/geo/maps-data/data/cbf/cbf_counties.html" target="new">U.S. Census Bureau</a>, | |
| <a href="https://vote.sos.ca.gov/returns/maps/ballot-measures/prop/6" target="new">California Secretary of State</a> | |
| </p> | |
| <p>Red is no, blue is yes</p> | |
| </div> | |
| <div id="tooltip" class="hidden"> | |
| <p>County: <span id="county">County Name</span></p> | |
| </div> | |
| <script type="text/javascript"> | |
| //Width and height | |
| var w = 760; | |
| var h = 600; | |
| //Define map projection | |
| var projection = d3.geo.mercator() | |
| .center([ -120, 37 ]) | |
| .translate([ w/2, h/2 ]) | |
| .scale([ w*3.3 ]); | |
| //Define path generator | |
| var path = d3.geo.path() | |
| .projection(projection); | |
| //Create SVG | |
| var svg = d3.select("#container") | |
| .append("svg") | |
| .attr("width", w) | |
| .attr("height", h); | |
| // color scale | |
| var colors = d3.scaleLinear() | |
| .domain([15, 85]) | |
| .range(["#ff0000", "#0000ff"]); | |
| //This is very un-d3-ish because I can't wrap my head around it today, evidently | |
| max_yes = 800000; | |
| max_total = 2000000; | |
| //Load in GeoJSON data | |
| d3.json("https://gist.githubusercontent.com/threestory/ed0f322d7bb2e3be8ded/raw/2aa8df2f15817985c60b67d726e6d13197e8ffb6/cb_2014_us_county_5m.json", function(geojson) { | |
| //Get votes | |
| d3.json("https://api.sos.ca.gov/returns/maps/ballot-measures/prop/6", function(votes) { | |
| //Bind data and create one path per GeoJSON feature | |
| svg.selectAll("path") | |
| .data(geojson.features) | |
| .enter() | |
| .append("path") | |
| .attr("d", path) | |
| .attr('fill', function(d) { | |
| color = "#f0f0f0"; | |
| county_name = d.properties.NAME.toLowerCase(); | |
| county_name = county_name.replace(/ /g, '-'); | |
| counties = d3.keys(votes); | |
| counties.forEach(function(k, i) { | |
| if (k == county_name) { | |
| yes = parseFloat(votes[k]['ballot-measures'][0]['yesPercent']); | |
| color = colors(yes); | |
| } | |
| }); | |
| return color; | |
| }) | |
| .on("mouseover", function(d){ | |
| var xPosition = w/2 + 150; | |
| var yPosition = h/2; | |
| // var xPosition = parseFloat(path.centroid(this).attr("cx")); | |
| // var yPosition = parseFloat(path.centroid(this).attr("cy")); | |
| d3.select("#tooltip") | |
| .style("left", xPosition + "px") | |
| .style("top", yPosition + "px"); | |
| d3.select("#county") | |
| .text(d.properties.NAME); | |
| d3.select("#tooltip") | |
| .classed("hidden", false); | |
| }) | |
| .on("mouseout", function(){ | |
| d3.select("#tooltip").classed("hidden", true); | |
| }) | |
| .style("opacity", function(d) { | |
| county_name = d.properties.NAME.toLowerCase(); | |
| county_name = county_name.replace(/ /g, '-'); | |
| counties = d3.keys(votes); | |
| counties.forEach(function(k, i) { | |
| if (k == county_name) { | |
| yes_votes = parseInt(votes[k]['ballot-measures'][0]['yesVotes']); | |
| no_votes = parseInt(votes[k]['ballot-measures'][0]['noVotes']); | |
| opacity = (yes_votes+no_votes)*1.0/max_total; | |
| // leaving this in but it produces really weird maps, | |
| // so I'm hardcoding it anyway \o/ | |
| } | |
| }); | |
| return 1.0; | |
| }); | |
| }); | |
| }); | |
| </script> | |
| </body> | |
| </html> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment