may11(1.0)

Built with blockbuilder.org

forked from li01012's block: may11(1.0)

<!DOCTYPE html>
<meta charset="utf-8">
<title>Cancer Incident Average In state of Texas</title>

path{
  fill: none;
  stroke: black;
}
</style>

// This color scale works for values ranging from 2 to 10

var threshold = d3.scaleThreshold()
    .domain([1, 10, 50, 200, 800, 2000, 5000, 10000])
    .range(d3.schemeOrRd[9]);
  
var url = "https://raw.githubusercontent.com/TNRIS/tx.geojson/master/counties/tx_counties.geojson";
var TEX = "https://raw.githubusercontent.com/li01012/classes/master/Project/Final_Texas_Data.csv";

d3.queue()
    .defer(d3.json, "url")
    .defer(d3.csv, "TEX")

d3.json(url, plotState);
d3.csv(TEX, my);

function plotState(error, tx) {
  if (error) console.log(error);
  
var all = tx.features;
   
  layer1.selectAll("path")
      .data(all)
  	.enter().append ("path")
      .attr("d", path);

}
  
 function my(error, csv) {
  if (error) throw error;
    console.log(csv[0])
      
     layer2.selectAll("path.csv")
        .data(csv)
        .enter().append("fill")
        .attr("class", "csv")
        .style("fill", "#DC143C")
  
    svg.selectAll('path.csv')
      .data(csv)
    .enter().append('path')
      .attr('d', path)
      .attr('class', 'csv')
      .attr("fill", function(d) { return threshold(csv[4]); })
      .attr('stroke', '#000')
      .attr('stroke-opacity', '0.15')
 addLegend();

};
  
  function addLegend() {

var formatNumber = d3.format("d");
  var x = d3.scalePow().exponent('.15')
      .domain([1, 80000])
      .range([0, 300]);

var xAxis = d3.axisBottom(x)
      .tickSize(13)
      .tickValues(threshold.domain())
  		.tickFormat(formatNumber)

var g = svg.append("g")
      .attr('transform', 'translate(3, 50)')
      .call(xAxis);

g.select(".domain")
      .remove();

g.selectAll("rect")
    .data(threshold.range().map(function(color) {
      var d = threshold.invertExtent(color);
      if (d[0] == null) d[0] = x.domain()[0];
      if (d[1] == null) d[1] = x.domain()[1];
      return d;
    }))
    .enter().insert("rect", ".tick")
      .attr("height", 12)
      .attr("x", function(d) { return x(d[0]); })
      .attr("width", function(d) { return x(d[1]) - x(d[0]); })
      .attr("fill", function(d) { return threshold(d[0]); });

g.append("text")
      .attr("fill", "#000")
      .attr("font-weight", "bold")
      .attr("text-anchor", "start")
      .attr("y", -6)
      .text("No.of Cancer Incidents");
}
  
function mousemoved() {
  info.text(formatLocation(projection.invert(d3.mouse(this)), projection.scale()));
}
function formatLocation(p, k) {
  var format = d3.format("." + Math.floor(Math.log(k) / 2 - 2) + "f");
  return (p[1] < 0 ? format(-p[1]) + "°S" : format(p[1]) + "°N") + " "
       + (p[0] < 0 ? format(-p[0]) + "°W" : format(p[0]) + "°E");
}
  
</script>

https://d3js.org/d3.v4.min.js

https://d3js.org/topojson.v2.min.js

https://d3js.org/d3-scale-chromatic.v1.min.js