Modificación del block de mbostock: Stacked Bar Chart para presentar alternativa de visualización de los datos de https://www.washingtonpost.com/graphics/2017/national/harvey-houston-flooding/
Se extrajeron y adaptaron desde https://www.washingtonpost.com/graphics/2017/national/harvey-houston-flooding/js/base.js los mismos datos que fueron usados en la visualización original: 150 medidores x 60 timestamps.
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<style>
.axis .domain {
display: none;
}
h2 {
margin: 0.83em 0 0 0;
}
</style>
<h1>Change of Water Levels over the Weekend</h1>
<h2>North and West</h2>
<svg id="zona1" width="960" height="500"></svg>
<h2>Downtown Northwest</h2>
<svg id="zona2" width="960" height="500"></svg>
<h2>Northeast</h2>
<svg id="zona3" width="960" height="500"></svg>
<h2>Downtown South</h2>
<svg id="zona4" width="960" height="500"></svg>
<h2>South</h2>
<svg id="zona5" width="960" height="500"></svg>
<script src="https://d3js.org/d3.v4.min.js"></script>
<script>
function graficar(svgzona, csvdatos, csvwwd) {
var svg = d3.select(svgzona),
margin = {top: 20, right: 20, bottom: 30, left: 40},
width = +svg.attr("width") - margin.left - margin.right,
height = +svg.attr("height") - margin.top - margin.bottom,
g = svg.append("g").attr("transform", "translate(" + margin.left + "," + margin.top + ")");
var x = d3.scaleBand()
.rangeRound([0, width])
.paddingInner(0.05)
.align(0.1);
var xn = d3.scaleBand()
.rangeRound([0, width])
.paddingInner(0.05)
.align(0.1);
var y = d3.scaleLinear()
.rangeRound([height, 0]);
var z = d3.scaleOrdinal()
.range(["#98abc5", "#8a89a6", "#7b6888", "#6b486b", "#a05d56", "#d0743c", "#ff8c00"]);
var color0 = "rgb(167,200,210)";
var color1 = "rgb(238,100,92)";
d3.csv(csvwwd,
function(d) {return d;},
function(errorwwd,datawwd) {
if (errorwwd) throw errorwwd;
//console.log(datawwd[0]["NW755"]);
d3.csv(csvdatos, function(d, i, columns) {
for (i = 1, t = 0; i < columns.length; ++i) t += d[columns[i]] = +d[columns[i]];
d.total = t;
return d;
}, function(error, data) {
if (error) throw error;
var keys = data.columns.slice(1);
//No ordenar
//data.sort(function(a, b) { return b.total - a.total; });
x.domain(data.map(function(d) { return d.time; }));
xn.domain(data.map(function(d) {
var cad = (d.time.substring(1, 3)) - 0;
return cad;
}));
y.domain([0, d3.max(data, function(d) { return d.total; })]).nice();
z.domain(keys);
g.append("g")
.selectAll("g")
.data(d3.stack().keys(keys)(data))
.enter()
.selectAll("rect")
.data(function(d) {
for(var k = 0; k < data.length; k++)
d[k].fila = d.key;
//console.log(data.length);
return d;
})
.enter()
.append("g")
.attr("fill", function(d, i, c) {
var sal = color0;
//console.log(datawwd[0][d.fila]);
//console.log(d[1] - d[0]);
if ((d[1] - d[0]) >= datawwd[0][d.fila]) {
sal = color1;
}
//PRUEBA
/*return "rgb(" +
Math.floor(Math.random() * 255)
+ "," + Math.floor(Math.random() * 255)
+ "," + Math.floor(Math.random() * 255)
+ ")"; */
return sal;
})
.append("rect")
.attr("x", function(d) {
//console.log(z(d.data.time));
//console.log(d[0] + " " + d[1]);
//console.log(d);
return x(d.data.time); })
.attr("y", function(d) { return y(d[1]); })
.attr("height", function(d) { return y(d[0]) - y(d[1]); })
.attr("width", x.bandwidth());
var formatDay = function(d) {
var sal = "";
if ((d % 8) == 0) {
var num = 25 + (d/8);
sal = ((num <= 31) ? "Aug " + num : "Sept " + (num - 31));
}
return sal;
}
g.append("g")
.attr("class", "axis")
.attr("transform", "translate(0," + height + ")")
.call(d3.axisBottom(xn).tickFormat(formatDay));
g.append("g")
.attr("class", "axis")
.call(d3.axisLeft(y).ticks(null, "s"))
.append("text")
.attr("x", 2)
.attr("y", y(y.ticks().pop()) + 0.5)
.attr("dy", "0.32em")
.attr("fill", "#000")
.attr("font-weight", "bold")
.attr("text-anchor", "start")
.text("Accumulated gauge level");
/*var legend = g.append("g")
.attr("font-family", "sans-serif")
.attr("font-size", 10)
.attr("text-anchor", "end")
.selectAll("g")
.data(keys.slice().reverse())
.enter().append("g")
.attr("transform", function(d, i) { return "translate(0," + i * 20 + ")"; });
legend.append("rect")
.attr("x", width - 19)
.attr("width", 19)
.attr("height", 19)
.attr("fill", z);
legend.append("text")
.attr("x", width - 24)
.attr("y", 9.5)
.attr("dy", "0.32em")
.text(function(d) { return d; });*/
});//data.csv
});//dataWWD.csv
var legend = svg.select("g")
.append("g")
.attr("font-family", "sans-serif")
.attr("font-size", 10)
.attr("text-anchor", "end");
;
legend.append("rect")
.attr("x", width - 19)
.attr("y", 0)
.attr("width", 19)
.attr("height", 19)
.attr("fill", color0);
legend.append("rect")
.attr("x", width - 19)
.attr("y", 20)
.attr("width", 19)
.attr("height", 19)
.attr("fill", color1);
legend.append("text")
.attr("x", width - 24)
.attr("y", 9.5)
.attr("dy", "0.32em")
.text("Normal level");
legend.append("text")
.attr("x", width - 24)
.attr("y", 9.5 + 20)
.attr("dy", "0.32em")
.text("Flooded gauge");
}//function graficar
graficar("#zona1", "data_NW.csv", "datawwd_NW.csv");
graficar("#zona2", "data_DN.csv", "datawwd_DN.csv");
graficar("#zona3", "data_NE.csv", "datawwd_NE.csv");
graficar("#zona4", "data_DS.csv", "datawwd_DS.csv");
graficar("#zona5", "data_S.csv", "datawwd_S.csv");
</script>
https://d3js.org/d3.v4.min.js