Created
August 9, 2019 22:37
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mi primer gist (lo voy a borrar pronto)
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<!DOCTYPE html> | |
<html> | |
<head> | |
<meta charset="utf-8"> | |
<meta name="viewport" content="width=device-width"> | |
<title>bar chart</title> | |
<script src="https://d3js.org/d3.v5.min.js"></script> | |
</head> | |
<body> | |
<div id="vis"></div> | |
<script> | |
// SQL que sale de https://data.world/makeovermonday/2019w31/ | |
var url = "https://download.data.world/s/js3a66ji7574lojgso36jqk7nk2o42"; | |
/** | |
var datos = [ | |
{"disease":"Primary and Secondary Syphilis","sum":205913}, | |
{"disease":"Gonorrhea","sum":6454097}, | |
{"disease":"Chlamydia","sum":18991264} | |
]; | |
**/ | |
// leyendo el CSV de la URL | |
d3.csv( url ) | |
.then(function(data) { | |
var max = 0; | |
data.forEach(function(d) { | |
d.sum = +d.sum; | |
if (d.sum > max) { | |
max = d.sum; | |
} | |
}); | |
console.log(max); | |
doit(data,max); | |
}) | |
.catch(function(error){ | |
console.log(error); | |
}) | |
function doit(datos,maximo) { | |
var max_w = 350; | |
var x = d3.scaleLinear() | |
.domain([0, maximo]) | |
.range([0, max_w]); | |
var y = d3.scaleLinear() | |
.domain([0, 2]) | |
.range([0, 200]); | |
var svg = d3.select("div#vis").append("svg") | |
.attr("width",500) | |
.attr("height",300); | |
svg.selectAll("rect").data(datos).enter().append("rect") | |
.attr("fill","steelblue") | |
.attr("x", 10) | |
.attr("y", function(d,i) {return y(i);}) | |
.attr("width", function(d,i) {return x(d.sum);}) | |
.attr("height",99) | |
svg.selectAll("txt_tit").data(datos).enter().append("text") | |
.attr("class","txt_tit") | |
.attr("x", function(d) {return 20 + x(d.sum);} ) | |
.attr("y", function(d,i) {return 30+y(i);}) | |
.text( function(d) {return d.disease;} ) | |
svg.selectAll("txt_val").data(datos).enter().append("text") | |
.attr("class","txt_val") | |
.attr("x", function(d) {return 20 + x(d.sum);} ) | |
.attr("y", function(d,i) {return 60+y(i);}) | |
.text( function(d) {return d.sum.toLocaleString();} ) | |
} | |
</script> | |
</body> | |
</html> |
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