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@Alex-Devoid
Created March 18, 2020 20:17
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<!DOCTYPE html>
<style>
.counties {
fill: none;
}
.states {
fill: none;
stroke: #fff;
stroke-linejoin: round;
}
.d3-tip {
line-height: 1;
padding: 6px;
background: rgba(0, 0, 0, 0.8);
color: #fff;
border-radius: 4px;
font-size: 12px;
}
/* Creates a small triangle extender for the tooltip */
.d3-tip:after {
box-sizing: border-box;
display: inline;
font-size: 10px;
width: 100%;
line-height: 1;
color: rgba(0, 0, 0, 0.8);
content: "\25BC";
position: absolute;
text-align: center;
}
/* Style northward tooltips specifically */
.d3-tip.n:after {
margin: -2px 0 0 0;
top: 100%;
left: 0;
}
</style>
<svg viewBox="0 0 960 600"></svg>
<defs>
<marker id="arrow" markerWidth="10" markerHeight="10" refX="0" refY="3" orient="auto" markerUnits="strokeWidth">
<path d="M0,0 L0,6 L9,3 z" fill="black" />
</marker>
</defs>
<!-- <line x1="0" y1="0" x2="200" y2="50" stroke="red" stroke-width="2" marker-end="url(#arrow)"/> -->
<!-- <path d="M20,70 T80,100 T160,80 T200,90" fill="white" stroke="red" stroke-width="2" marker-start="url(#arrow)" marker-mid="url(#arrow)" marker-end="url(#arrow)"/> -->
</svg>
<script src="https://d3js.org/d3.v4.min.js"></script>
<script src="https://d3js.org/topojson.v2.min.js"></script>
<script src="https://d3js.org/d3-scale-chromatic.v1.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3-legend/2.25.6/d3-legend.min.js"></script>
<!-- <script src="http://labratrevenge.com/d3-tip/javascripts/d3.tip.v0.6.3.js"></script> -->
<script type="text/javascript">
// d3.tip
// Copyright (c) 2013 Justin Palmer
// ES6 / D3 v4 Adaption Copyright (c) 2016 Constantin Gavrilete
// Removal of ES6 for D3 v4 Adaption Copyright (c) 2016 David Gotz
//
// Tooltips for d3.js SVG visualizations
d3.functor = function functor(v) {
return typeof v === "function" ? v : function() {
return v;
};
};
d3.tip = function() {
var direction = d3_tip_direction,
offset = d3_tip_offset,
html = d3_tip_html,
node = initNode(),
svg = null,
point = null,
target = null
function tip(vis) {
svg = getSVGNode(vis)
point = svg.createSVGPoint()
document.body.appendChild(node)
}
// Public - show the tooltip on the screen
//
// Returns a tip
tip.show = function() {
var args = Array.prototype.slice.call(arguments)
if(args[args.length - 1] instanceof SVGElement) target = args.pop()
var content = html.apply(this, args),
poffset = offset.apply(this, args),
dir = direction.apply(this, args),
nodel = getNodeEl(),
i = directions.length,
coords,
scrollTop = document.documentElement.scrollTop || document.body.scrollTop,
scrollLeft = document.documentElement.scrollLeft || document.body.scrollLeft
nodel.html(content)
.style('position', 'absolute')
.style('opacity', 1)
.style('pointer-events', 'all')
while(i--) nodel.classed(directions[i], false)
coords = direction_callbacks[dir].apply(this)
nodel.classed(dir, true)
.style('top', (coords.top + poffset[0]) + scrollTop + 'px')
.style('left', (coords.left + poffset[1]) + scrollLeft + 'px')
return tip
}
// Public - hide the tooltip
//
// Returns a tip
tip.hide = function() {
var nodel = getNodeEl()
nodel
.style('opacity', 0)
.style('pointer-events', 'none')
return tip
}
// Public: Proxy attr calls to the d3 tip container. Sets or gets attribute value.
//
// n - name of the attribute
// v - value of the attribute
//
// Returns tip or attribute value
tip.attr = function(n, v) {
if (arguments.length < 2 && typeof n === 'string') {
return getNodeEl().attr(n)
} else {
var args = Array.prototype.slice.call(arguments)
d3.selection.prototype.attr.apply(getNodeEl(), args)
}
return tip
}
// Public: Proxy style calls to the d3 tip container. Sets or gets a style value.
//
// n - name of the property
// v - value of the property
//
// Returns tip or style property value
tip.style = function(n, v) {
// debugger;
if (arguments.length < 2 && typeof n === 'string') {
return getNodeEl().style(n)
} else {
var args = Array.prototype.slice.call(arguments);
if (args.length === 1) {
var styles = args[0];
Object.keys(styles).forEach(function(key) {
return d3.selection.prototype.style.apply(getNodeEl(), [key, styles[key]]);
});
}
}
return tip
}
// Public: Set or get the direction of the tooltip
//
// v - One of n(north), s(south), e(east), or w(west), nw(northwest),
// sw(southwest), ne(northeast) or se(southeast)
//
// Returns tip or direction
tip.direction = function(v) {
if (!arguments.length) return direction
direction = v == null ? v : d3.functor(v)
return tip
}
// Public: Sets or gets the offset of the tip
//
// v - Array of [x, y] offset
//
// Returns offset or
tip.offset = function(v) {
if (!arguments.length) return offset
offset = v == null ? v : d3.functor(v)
return tip
}
// Public: sets or gets the html value of the tooltip
//
// v - String value of the tip
//
// Returns html value or tip
tip.html = function(v) {
if (!arguments.length) return html
html = v == null ? v : d3.functor(v)
return tip
}
// Public: destroys the tooltip and removes it from the DOM
//
// Returns a tip
tip.destroy = function() {
if(node) {
getNodeEl().remove();
node = null;
}
return tip;
}
function d3_tip_direction() { return 'n' }
function d3_tip_offset() { return [0, 0] }
function d3_tip_html() { return ' ' }
var direction_callbacks = {
n: direction_n,
s: direction_s,
e: direction_e,
w: direction_w,
nw: direction_nw,
ne: direction_ne,
sw: direction_sw,
se: direction_se
};
var directions = Object.keys(direction_callbacks);
function direction_n() {
var bbox = getScreenBBox()
return {
top: bbox.n.y - node.offsetHeight,
left: bbox.n.x - node.offsetWidth / 2
}
}
function direction_s() {
var bbox = getScreenBBox()
return {
top: bbox.s.y,
left: bbox.s.x - node.offsetWidth / 2
}
}
function direction_e() {
var bbox = getScreenBBox()
return {
top: bbox.e.y - node.offsetHeight / 2,
left: bbox.e.x
}
}
function direction_w() {
var bbox = getScreenBBox()
return {
top: bbox.w.y - node.offsetHeight / 2,
left: bbox.w.x - node.offsetWidth
}
}
function direction_nw() {
var bbox = getScreenBBox()
return {
top: bbox.nw.y - node.offsetHeight,
left: bbox.nw.x - node.offsetWidth
}
}
function direction_ne() {
var bbox = getScreenBBox()
return {
top: bbox.ne.y - node.offsetHeight,
left: bbox.ne.x
}
}
function direction_sw() {
var bbox = getScreenBBox()
return {
top: bbox.sw.y,
left: bbox.sw.x - node.offsetWidth
}
}
function direction_se() {
var bbox = getScreenBBox()
return {
top: bbox.se.y,
left: bbox.e.x
}
}
function initNode() {
var node = d3.select(document.createElement('div'))
node
.style('position', 'absolute')
.style('top', '0')
.style('opacity', '0')
.style('pointer-events', 'none')
.style('box-sizing', 'border-box')
return node.node()
}
function getSVGNode(el) {
el = el.node()
if(el.tagName.toLowerCase() === 'svg')
return el
return el.ownerSVGElement
}
function getNodeEl() {
if(node === null) {
node = initNode();
// re-add node to DOM
document.body.appendChild(node);
};
return d3.select(node);
}
// Private - gets the screen coordinates of a shape
//
// Given a shape on the screen, will return an SVGPoint for the directions
// n(north), s(south), e(east), w(west), ne(northeast), se(southeast), nw(northwest),
// sw(southwest).
//
// +-+-+
// | |
// + +
// | |
// +-+-+
//
// Returns an Object {n, s, e, w, nw, sw, ne, se}
function getScreenBBox() {
var targetel = target || d3.event.target;
while ('undefined' === typeof targetel.getScreenCTM && 'undefined' === targetel.parentNode) {
targetel = targetel.parentNode;
}
var bbox = {},
matrix = targetel.getScreenCTM(),
tbbox = targetel.getBBox(),
width = tbbox.width,
height = tbbox.height,
x = tbbox.x,
y = tbbox.y
point.x = x
point.y = y
bbox.nw = point.matrixTransform(matrix)
point.x += width
bbox.ne = point.matrixTransform(matrix)
point.y += height
bbox.se = point.matrixTransform(matrix)
point.x -= width
bbox.sw = point.matrixTransform(matrix)
point.y -= height / 2
bbox.w = point.matrixTransform(matrix)
point.x += width
bbox.e = point.matrixTransform(matrix)
point.x -= width / 2
point.y -= height / 2
bbox.n = point.matrixTransform(matrix)
point.y += height
bbox.s = point.matrixTransform(matrix)
return bbox
}
return tip
};
</script>
<script>
// Datasets
// FIP codes
// https://www2.census.gov/geo/docs/reference/codes/files/national_county.txt
// https://en.wikipedia.org/wiki/Federal_Information_Processing_Standard_state_code
//
// Unemployment rates
// https://www.bls.gov/lau/#tables
// https://bl.ocks.org/mbostock/4060606
var svg = d3.select("svg"),
width =850,
height = 600;
// var path = d3.geoPath();
var tip = d3.tip()
.attr('class', 'd3-tip')
.offset([-10, 0])
.direction('n')
.html(function(d) {
console.log(d);
return "Cases: "+d.properties.cases+'<br/>'+ d.properties.per100000Cases+ 'cases per 100,000 people.'
});
svg.call(tip);
var projection = d3.geoAlbersUsa()
.translate([width/2, height/2])
.scale([1000]);
//Define default path generator
var path = d3.geoPath()
.projection(projection);
d3.queue()
.defer(d3.json, "acs2018_1yr_B01003_04000US55.geojson")
.defer(d3.json, "https://d3js.org/us-10m.v1.json")
// .defer(d3.tsv, "unemployment.tsv", function(d) { unemployment.set(d.id, +d.rate); })
.defer(d3.csv, "https://www.cdc.gov/coronavirus/2019-ncov/map-data-cases.csv")
.await(ready);
function ready(error, us1,us, data) {
if (error) throw error;
var casesMax = getMax(data,'Cases Reported')
var pos = us1.features.map(function(e) { return e.properties.name; }).indexOf(casesMax.Name);
var per100000max = (casesMax.number/us1.features[pos].properties.B01003001) * 100000
var x = d3.scaleLinear()
.domain([0, per100000max])
.rangeRound([600, 860]);
var color = d3.scaleLinear()
.domain([0, Math.ceil(per100000max)])
.range(['white','#08306A']);
svg.append("g")
.attr("class", "legendLinear")
.attr("transform", "translate(20,20)");
var legendLinear = d3.legendColor()
.shapeWidth(30)
.orient('horizontal')
.scale(color);
svg.select(".legendLinear")
.call(legendLinear);
function getMax(arr, prop) {
var max;
for (var i=0 ; i<arr.length ; i++) {
var num = Number(arr[i][prop])
arr[i]['number'] = (!isNaN(num))? parseInt(arr[i][prop]):
(arr[i][prop] === 'None')? 0: Number(arr[i][prop].split(' ')[2]);
if (max == null || arr[i]['number'] > max['number'])
max = arr[i];
}
return max;
}
function getColor(obj,dataCorona){
for (var i = 0; i < dataCorona.length; i++) {
if (dataCorona[i].Name === obj.properties.name) {
var cases = Number(dataCorona[i]['Cases Reported'])
if (dataCorona[i]['Cases Reported'] === 'None') {
return 0;
}else if (isNaN(cases)) {
// console.log(cases.match(/\d+/)[0]);
var c = dataCorona[i]['Cases Reported'].split(' ')
var firstNum = Number(c[0]);
var lastNum = Number(c[2]);
// https://www.w3resource.com/javascript-exercises/fundamental/javascript-fundamental-exercise-88.php
const median = arr => {
const mid = Math.floor(arr.length / 2),
nums = [...arr].sort((a, b) => a - b);
return arr.length % 2 !== 0 ? nums[mid] : (nums[mid - 1] + nums[mid]) / 2;
};
var medianCases = (median([firstNum,lastNum])/obj.properties.B01003001) * 100000
console.log(medianCases);
return medianCases;
}else {
// console.log(cases);
per100000Cases = (cases/obj.properties.B01003001) * 100000
return per100000Cases;
}
}
}
}
var w = 70, h = 300;
var key = d3.select("svg")
// .append("svg")
// .attr("x", 60)
// .attr("y",30)
// .attr("width", w)
// .attr("height", h)
// .attr("class", "legend");
var legend = key.append("defs")
.append("svg:linearGradient")
.attr("id", "gradient")
.attr("x1", "100%")
.attr("y1", "0%")
.attr("x2", "100%")
.attr("y2", "100%")
.attr("spreadMethod", "pad");
legend.append("stop")
.attr("offset", "0%")
.attr("stop-color", '#08306A')
.attr("stop-opacity", 1);
legend.append("stop")
.attr("offset", "100%")
.attr("stop-color", '#FFFF')
.attr("stop-opacity", 1);
key.append("rect")
.attr("transform", "translate(10,30)")
.attr("width", 20)
.attr("height", h)
.style("fill", "url(#gradient)")
// .attr("transform", "translate(0,10)");
var y = d3.scaleLinear()
.range([h, 0])
.domain([0, Math.ceil(per100000max)]);
var yAxis = d3.axisRight(y);
key.append("g")
.attr("class", "y axis")
.attr("transform", "translate(30,30)")
.call(yAxis)
console.log(data);
function legendState(state){
var posArizona = data.map(function(e) { return e.Name; }).indexOf(state);
var posArizonaPop = us1.features.map(function(e) { return e.properties.name; }).indexOf(state);
var ArizonaPer100000Cases = (data[posArizona]['Cases Reported']/us1.features[posArizonaPop].properties.B01003001) * 100000
return ArizonaPer100000Cases
}
key.append("line")
.attr("class", "Arizona")
.attr("x", 35)
// .attr("y", function(d){
//
// var apc = legendState(d["Name"])
//
// return y(apc)+30
//
// })
.attr("width", 12)
.style("fill", "black")
svg.append("g")
.selectAll(".namesLeg")
.data(data)
.enter().append("line")
.attr("class", function(d){
return "namesLeg " + d.Name;
})
.attr("x1", 25)
.attr("y1", function(d){
var n = ['American Samoa','Guam','Northern Marianas','Puerto Rico','Virgin Islands','Micronesia','Palau','Marshall Islands'].includes(d["Name"]);
console.log(d["Name"]);
if (!n) {
var apc = legendState(d["Name"])
return y(apc)+30
}
})
.attr("x2", 75)
.attr("y2", function(d){
var n = ['American Samoa','Guam','Northern Marianas','Puerto Rico','Virgin Islands','Micronesia','Palau','Marshall Islands'].includes(d["Name"]);
console.log(d["Name"]);
if (!n) {
var apc = legendState(d["Name"])
return y(apc)+30
}
})
.attr("stroke-width", 2)
.attr("stroke", "black")
.attr("marker-end","url(#arrow)")
.attr('opacity',0);
svg.append("g")
.selectAll(".namesLegText")
.data(data).enter()
.append('text')
.attr("class", function(d){
return "namesLegText " + d.Name;
})
.text(function(d){ return d['Name']})
.style("fill", "black")
.attr('font-size', '12px')
.attr('text-anchor', "start")
.attr('y', function(d){
var n = ['American Samoa','Guam','Northern Marianas','Puerto Rico','Virgin Islands','Micronesia','Palau','Marshall Islands'].includes(d["Name"]);
console.log(d["Name"]);
if (!n) {
var apc = legendState(d["Name"])
return y(apc)+28
}
}).attr('x', 25)
.attr('opacity',0);
// add legend info
svg.append('text')
.text('Most Unequal')
.attr('font-size', '12px')
.attr('y', 40)
.attr('x', 15)
svg.append('text')
.text('Gini Coefficient')
.attr('font-size', '10px')
.attr('y', 65)
.attr('x', 85)
var colorScale = d3.scaleLinear().domain([1,per100000max])
.range(d3.schemeBlues[9])
svg.append("g")
.attr("class", "counties")
.selectAll("path")
// .data(topojson.feature(us, us.objects.states).features)
// .data(topojson.feature(us, us.objects.counties).features)
.data(us1.features)
.enter().append("path")
.attr('stroke',"grey")
.attr("fill", function(d) {
// console.log(d);
var num = getColor(d,data)
var pos1 = data.map(function(e) { return e.Name; }).indexOf(d.properties.name);
d.properties.per100000Cases = num
d.properties.cases = data[pos1]['Cases Reported']
return color(num);
})
.attr("d", path)
.on('mouseover',function(d){
d3.selectAll(".namesLeg").filter(`.${d.properties.name}`)
.attr('opacity',1);
d3.selectAll(".namesLegText").filter(`.${d.properties.name}`)
.attr('opacity',1);
return tip.show(d)
}
)
// .on('mouseover', function (d) {
// var target = d3.select(this)
// .attr('x', d3.event.offsetX)
// .attr('y', d3.event.offsetY - 5) // 5 pixels above the cursor
// .node();
// tip.show(d, target);
// })
.on('mouseout', function(d){
d3.selectAll(".namesLeg").filter(`.${d.properties.name}`)
.attr('opacity',0);
d3.selectAll(".namesLegText").filter(`.${d.properties.name}`)
.attr('opacity',0);
return tip.hide(d)
})
.append("title") // Tooltip
.text(function(d) { return d.properties.B01003001 + "%"; });
// svg.append("path")
// .datum(topojson.mesh(us, us.objects.states, function(a, b) { return a !== b; }))
// .attr("class", "states")
// .attr("d", path);
}
</script>
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