Skip to content

Instantly share code, notes, and snippets.

@aaizemberg
Created August 9, 2019 22:37
Show Gist options
  • Save aaizemberg/5b7a97713505c6c2a4bb62747e4667c7 to your computer and use it in GitHub Desktop.
Save aaizemberg/5b7a97713505c6c2a4bb62747e4667c7 to your computer and use it in GitHub Desktop.
mi primer gist (lo voy a borrar pronto)
<!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>
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment