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Odd colour transitions
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>Map</title> | |
| <script src="http://d3js.org/d3.v3.js"></script> | |
| </head> | |
| <body> | |
| <div id = "n2"> Option #1 | |
| </div> | |
| <div id = "n1"> Option #2 | |
| </div> | |
| <div id = "tooltip" class="hidden"> | |
| </div> | |
| <br> | |
| <script type="text/javascript"> | |
| var dataset; | |
| var padding = 45; | |
| var h = 500; | |
| var w = 700; | |
| var projection = d3.geo.albersUsa() | |
| .translate([w/2,h/2]) | |
| .scale([900]); | |
| var population; | |
| var path = d3.geo.path() | |
| .projection(projection); | |
| var svg = d3.select("body") | |
| .append("svg") | |
| .attr("width", w) | |
| .attr("height", h); | |
| d3.json("us-states.json", function(json){ | |
| svg.selectAll("path") | |
| .data(json.features) | |
| .enter() | |
| .append("path") | |
| .attr("d", path) | |
| .attr({ | |
| "fill": "black", | |
| "stroke": "White", | |
| "stroke-width": 0.3, | |
| "opacity": 0.6 | |
| }); | |
| }); | |
| d3.csv("SO_city_pop.csv", function(data){ | |
| console.log(data); | |
| var rScale = d3.scale.linear() | |
| .domain([0, d3.max(data, function(d){ | |
| return parseFloat(d.x1); | |
| })]) | |
| .range([5,15]); | |
| var circleXCoord; | |
| var circleYCoord; | |
| dataset = data; | |
| svg.selectAll("circle") | |
| .data(dataset) | |
| .enter() | |
| .append("circle") | |
| .attr({ | |
| "cx": function(d) { circleXCoord = projection([d.lon, d.lat])[0]; return circleXCoord}, | |
| "cy": function(d) { circleYCoord = projection([d.lon, d.lat])[1]; return circleYCoord}, | |
| "r": function (d) { return rScale(parseFloat(d.x1));} | |
| }) | |
| .style({ | |
| "fill": "#0000FF", | |
| "opacity": 0, | |
| "stroke-width":0.7, | |
| "stroke":"white" | |
| }) | |
| .transition() | |
| .duration(1000) | |
| .ease("circle") | |
| .style("opacity",0.9) | |
| }); | |
| </script> | |
| <script> //CHANGING CIRCLE COLOUR AND SHAPE | |
| d3.select("#n1") | |
| .on("click", function(){ | |
| var rScale = d3.scale.linear() | |
| .domain([0, d3.max(dataset, function(d){ | |
| return parseFloat(d.x2); | |
| })]) | |
| .range([5,15]); | |
| var circleXCoord; | |
| var circleYCoord; | |
| svg.selectAll("circle") | |
| .transition() | |
| .delay(300) | |
| .duration(1000) | |
| .ease("circle") | |
| .style({ | |
| "fill": "DeepPink", | |
| "stroke": "white", | |
| "opacity": 0.9, | |
| "stroke-width": 0.7 | |
| }) | |
| .attr({ | |
| "cx": function(d) { circleXCoord = projection([d.lon, d.lat])[0]; return circleXCoord}, | |
| "cy": function(d) { circleYCoord = projection([d.lon, d.lat])[1]; return circleYCoord}, | |
| "r": function (d) { return rScale(parseFloat(d.x2));} | |
| }) | |
| ; | |
| }); | |
| d3.select("#n2") | |
| .on("click", function(){ | |
| // svg.selectAll("circle") | |
| // .transition() | |
| // .duration(500) | |
| // .style("opacity", 0); | |
| var rScale = d3.scale.linear() | |
| .domain([0, d3.max(dataset, function(d){ | |
| return parseFloat(d.x1); | |
| })]) | |
| .range([5,15]); | |
| var circleXCoord; | |
| var circleYCoord; | |
| svg.selectAll("circle") | |
| .transition() | |
| .delay(300) | |
| .duration(1000) | |
| .ease("circle") | |
| .style({ | |
| "fill": "#0000FF", | |
| "stroke": "white", | |
| "opacity": 0.9, | |
| "stroke-width": 0.7 | |
| }) | |
| .attr({ | |
| "cx": function(d) { circleXCoord = projection([d.lon, d.lat])[0]; return circleXCoord}, | |
| "cy": function(d) { circleYCoord = projection([d.lon, d.lat])[1]; return circleYCoord}, | |
| "r": function (d) { return rScale(parseFloat(d.x1));} | |
| }); | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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| city | x2 | state | x1 | y1 | lat | lon | |
|---|---|---|---|---|---|---|---|
| Dallas | 1581 | Texas | 1,281,047 | 1,197,816 | 32.769582 | -96.791764 | |
| Phoenix | 1356 | Arizona | 1,537,058 | 1,445,632 | 33.462898 | -112.076986 | |
| San Diego | 1168 | California | 1,381,069 | 1,307,402 | 32.745467 | -117.154215 | |
| Chicago | 1938 | Illinois | 2,722,389 | 2,695,598 | 41.864933 | -87.625039 | |
| Philadelphia | 940 | Pennsylvania | 1,560,297 | 1,526,006 | 39.962926 | -75.159232 | |
| Houston | 1021 | Texas | 2,239,558 | 2,100,263 | 29.748644 | -95.362839 | |
| San Antonio | 624 | Texas | 1,436,697 | 1,327,407 | 29.409079 | -98.489685 | |
| New York | 2669 | New York | 8,491,079 | 8,175,133 | 40.71455 | -74.007124 | |
| Los Angeles | 718 | California | 3,928,864 | 3,792,621 | 34.037002 | -118.234578 |
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