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3B_Vis_T3_introD3.html
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3B_Vis_T3_introD3.html
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<!DOCTYPE html>
<html lang="es">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<title>Vis Práctica Intro D3</title>
<script type="text/javascript" src="https://d3js.org/d3.v4.min.js"></script>
<script type="text/javascript" src="sankey.js"></script>
<style media="screen">
* {
margin: 0%;
border: 0%;
}
body {
font-family: Arial, Helvetica, Verdana, "Latin Modern Sans", sans-serif;
}
header {
padding: 0%;
background-color: #f1f1f1;
text-align: center;
}
h1 {
padding: 15px;
}
h2 {
padding: 10px;
}
li {
padding: 10px;
font-size: 1.4em;
}
.plot-title {
padding: 10px;
font-size: 1em;
text-align: center;
font-style: italic;
}
.axis-labels {
padding: .1em;
font-size: .9em;
color: "#000000";
}
.legend-labels {
padding: .1em;
font-size: .6em;
}
.svg-container {
display: inline-block;
position: relative;
width: 100%;
height: auto;
padding-bottom: 80%;
vertical-align: top;
overflow: hidden;
}
.svg-content {
display: inline-block;
position: absolute;
top: 0;
left: 0;
}
.node rect {
cursor: move;
fill-opacity: .9;
shape-rendering: crispEdges;
}
.node text {
pointer-events: none;
text-shadow: 0 1px 0 #fff;
}
.link {
fill: none;
stroke: #000;
stroke-opacity: .2;
}
.link:hover {
stroke-opacity: .5;
}
</style>
</head>
<body>
<header id="site-header" role="banner">
<h1>Visualización - Principios de Diseño</h1>
<h2>Práctica de introducción a D3.js</h2>
</header>
<main id="site-content" role="main">
<div>
<ol>
<li>Diagrama de Barras
<p class="plot-title">
Tráfico de Mercancías en el puerto de S/C de La Palma
</p>
<div id="barchart_div" class="svg-container"></div>
</li>
<li>Diagrama de burbujas
<p class="plot-title">
Tráfico de Mercancías en la provincia de S/C de Tenerife
</p>
<div id="bubbleschart_div" class="svg-container"></div>
</li>
<li>Diagrama Sankey
<p class="plot-title">
Flujo de mercancías en puertos de la isla de Tenerife
</p>
<div id="sankey_div" class="svg-container"></div>
</li>
</ol>
</div>
</main>
<script id="commonElements" type="text/javascript">
// Set the graph dimensions and margins
var margin = {top: 45, right: 190, bottom: 80, left: 80},
svgWidth = 1000,
svgHeight = 800,
plotWidth = svgWidth - margin.left - margin.right,
plotHeight = svgHeight - margin.top - margin.bottom;
// Insert the SVG element into the DOM
function iniSVG (insertionDiv) {
return d3.select(insertionDiv)
.append("svg")
.attr("preserveAspectRatio", "xMinYMin")
.attr("viewBox", "0 0 " + svgWidth + " " + svgHeight)
.classed("svg-content", true)
.append("g")
.attr("transform",
"translate(" + margin.left + ", " + margin.top + ")");
}
// Function to insert the axises units text and labels
function addAxisesText (svgname, xScale, xAngle, xLabel, yScale, yLabel) {
// X axis units text
svgname.append("g")
.attr("transform", "translate(0," + plotHeight + ")")
.call(d3.axisBottom(xScale).tickSizeOuter(0))
.selectAll("text")
.attr("transform", "translate(-10,0) rotate(" + xAngle + ")")
.style("text-anchor", "end");
// X axis label
svgname.append("text")
.attr("transform",
"translate(" + (plotWidth / 2) + ", " + (plotHeight + 65) + ")")
.style("text-anchor", "middle")
.classed("axis-labels", true)
.text(xLabel);
// Y axis units text
svgname.append("g")
.call(d3.axisLeft(yScale));
// Y axix label
svgname.append("text")
.attr("transform",
"translate(-65," + plotHeight / 2 + ") rotate(-90)")
.style("text-anchor", "middle")
.classed("axis-labels", true)
.text(yLabel);
}
// Function to get min value from a column in an array
function colMin (arr, colname) {
var min = Infinity,
row = {};
for(i = 0; i < arr.length; i++) {
row = arr[i]
if (parseFloat(row[colname]) < min) {
min = parseFloat(row[colname]);
}
}
return min;
}
// Function to get max value from a column in an array
function colMax (arr, colname) {
var max = 0,
row = {};
for(i = 0; i < arr.length; i++) {
row = arr[i]
if (parseFloat(row[colname]) > max) {
max = parseFloat(row[colname]);
}
}
return max;
}
// Function to draw the legend
function drawLegend(svgname, labelsVec, colorScale) {
var sqSize = 20,
yStartLegend = (plotHeight - labelsVec.length * (sqSize + 5)) / 2;
svgname.append("g")
.selectAll("squareColors")
.data(labelsVec.reverse())
.enter()
.append("rect")
.attr("x", plotWidth + sqSize)
.attr("y", function(d, i) {
return yStartLegend + i * (sqSize + 5) })
.attr("width", sqSize)
.attr("height", sqSize)
.style("fill", function (d) { return colorScale(d) });
svgname.append("g")
.selectAll("squareLabels")
.data(labelsVec)
.enter()
.append("text")
.attr("x", plotWidth + 2.5 * sqSize)
.attr("y", function (d, i) {
return yStartLegend + i * (sqSize + 5) + (sqSize / 2) })
.style("fill", function (d) { return colorScale(d) })
.classed("legend-labels", true)
.text(function (d) { return d })
.attr("text-anchor", "left")
.attr("alignment-baseline", "middle");
}
</script>
<script id="stackedBarsChart" type="text/javascript">
// Insert the SVG element into the DOM
var svgS = iniSVG("#barchart_div");
// Get the data
d3.csv("https://raw.githubusercontent.com/guanchgonzalez/MU_CID_3B_Vis/main/mercancias_1_SPC.csv",
function (dataS) {
console.log(dataS)
// Dataset headers, except the first one
var numericS = dataS.columns.slice(1)
console.log(numericS)
// Values of the first column, the date
var catvalsS = d3.map(dataS, function(d) { return (d.Mes) }).keys()
console.log(catvalsS)
// Stack values per subgroup
var stackedData = d3.stack()
.keys(numericS)(dataS)
console.log(stackedData)
// Y max value for Y Scale domain
var yStacksMax = d3.max(stackedData.slice(-1)[0]
.map(function (d) {
return d[1];
}));
console.log("max Y: " + yStacksMax)
// X scale, from domain to range
var xS = d3.scaleBand()
.domain(catvalsS)
.range([0, plotWidth])
.padding([0.2]);
// Y scale, from domain to range
var yS = d3.scaleLinear()
.domain([0, yStacksMax])
.range([plotHeight, 0]);
// X, Y axises insertion
addAxisesText(svgS, xS, "-45", "Meses", yS, "Tons");
// Color scale per subgroup
var colorS = d3.scaleOrdinal()
.domain(numericS)
.range( [ "#00ffff", "#0080ff", "#0000ff",
"#00ff00", "#00b000", "#005000",
"#ff0080", "#c00080", "#800080", "#400080",
"#ffff80", "#ffc080", "#ff8080", "#ff4080" ] )
// Include the stacked bars
svgS.append("g")
.selectAll("g")
// Enter into the stack data: loop key per key (group per group)
.data(stackedData)
.enter()
.append("g")
.attr("fill", function(d) { return colorS(d.key); })
.selectAll("rect")
// Inner loop: subgroup per subgroup (every rectangle)
.data(function (d) { return d; })
.enter()
.append("rect")
.attr("x", function (d) { return xS(d.data.Mes); })
.attr("y", function (d) { return yS(d[1]); })
.attr("width", xS.bandwidth())
.attr("height", function (d) { return yS(d[0]) - yS(d[1]); })
// Draw legend
drawLegend(svgS, numericS, colorS);
console.log(colorS.domain().reverse())
console.log(numericS.reverse())
console.log(numericS.slice())
})
</script>
<script id="bubblesChart" type="text/javascript">
// Insert the SVG element into the DOM
var svgB = iniSVG("#bubbleschart_div");
// Get the data
d3.csv("https://raw.githubusercontent.com/guanchgonzalez/MU_CID_3B_Vis/main/mercancias_2.csv",
function (dataB) {
console.log(dataB)
// Values of the first column, the years and ports
var catvalsB = d3.map(dataB, function(d) { return d.A_P }).keys()
console.log(catvalsB)
// X, Y and R min and max values for the Scale domains
var xMin = colMin(dataB, "Canarias-Cargadas"),
xMax = colMax(dataB, "Canarias-Cargadas"),
yMin = colMin(dataB, "Canarias-Descargadas"),
yMax = colMax(dataB, "Canarias-Descargadas"),
rMin = colMin(dataB, "Canarias-Tránsito"),
rMax = colMax(dataB, "Canarias-Tránsito");
console.log("Dom X: " + xMin + ", " + xMax +
" Dom Y: " + yMin + ", " + yMax +
" Dom R: " + rMin + ", " + rMax);
// X axis inclusion (X scale, from domain to range)
var xB = d3.scaleLinear()
.domain([xMin, xMax])
.range([0, plotWidth]);
// Y axis inclusion (Y scale, from domain to range)
var yB = d3.scaleLinear()
.domain([yMin, yMax])
.range([plotHeight, 0]);
// X, Y axises insertion
addAxisesText(svgB, xB, "-30", "Tons cargadas", yB, "Tons descargadas");
// R radius inclusion (R scale, from domain to range; bubble sizes)
var r = d3.scaleLinear()
.domain([rMin, rMax])
.range([0, (plotHeight / 10)]);
// Color scale per subgroup
var colorB = d3.scaleOrdinal()
.domain(catvalsB)
.range( [ "#ffff80", "#00ff00", "#ff0080", "#00ffff", "#bcbc8c",
"#ffc080", "#00c000", "#c00080", "#00c0ff", "#bc8c60",
"#ff8080", "#008000", "#800080", "#0080ff", "#8c6000",
"#ff4080", "#004000", "#400080", "#0040ff", "#603000" ] )
// Include the bubbles
var bubblesArray = [],
orig_row = {};
for(i = 0; i < dataB.length; i++) {
orig_row = dataB[i]
var new_row = {}
new_row["cat"] = orig_row["A_P"]
new_row["X"] = parseFloat(orig_row["Canarias-Cargadas"])
new_row["Y"] = parseFloat(orig_row["Canarias-Descargadas"])
new_row["R"] = parseFloat(orig_row["Canarias-Tránsito"])
bubblesArray.push(new_row)
}
console.log(bubblesArray)
svgB.append('g')
.selectAll("dot")
.data(bubblesArray)
.enter()
.append("circle")
.attr("cx", function (d) { return xB(d.X); } )
.attr("cy", function (d) { return yB(d.Y); } )
.attr("r", function (d) { return r(d.R); } )
.style("fill", function (d) { return colorB(d.cat); } )
.style("opacity", "0.7")
.attr("stroke", "white")
.style("stroke-width", "2px")
// Draw legend
drawLegend(svgB, catvalsB, colorB);
})
</script>
<script id="sankeyChart" type="text/javascript">
// Insert the SVG element into the DOM
var svgK = iniSVG("#sankey_div");
// Format variables
var units = "Tons",
formatNumber = d3.format(",.0f"), // zero decimal places
format = function(d) { return formatNumber(d) + " " + units; },
color = d3.scaleOrdinal(d3.schemeCategory10),
color_node = function color_node(d) {
if (d.name) { return color(d.name.replace(/ .*/, "")); }
else { return "#cccccc"; } },
color_link = function color_link(d) {
if (d.name) { return color(d.name.replace(/ .*/, "")); }
else { return "#000000"; } },
opacity_link = function opacity_link(d) {
if (d.name) { return 0.7; }
else { return 0.2; } };
//set up graph in same style as original example but empty
var graph = { "nodes" : [], "links" : [] };
// Set the sankey diagram properties
var sankey = d3.sankey()
.nodeWidth(25)
.nodePadding(15)
.size([plotWidth, plotHeight]);
var path = sankey.link();
// Get the data
//d3.csv("https://raw.githubusercontent.com/guanchgonzalez/MU_CID_3B_Vis/main/mercancias_3.csv",
//d3.csv("https://raw.githubusercontent.com/guanchgonzalez/MU_CID_3B_Vis/main/mercancias_3c.csv",
//d3.csv("https://raw.githubusercontent.com/guanchgonzalez/MU_CID_3B_Vis/main/sankey.csv",
d3.csv("https://raw.githubusercontent.com/guanchgonzalez/MU_CID_3B_Vis/main/mercancias_3_TFE.csv",
function (dataK) {
dataK.forEach( function (d) {
graph.nodes.push({ "name": d.Origen });
graph.nodes.push({ "name": d.Destino });
graph.links.push({ "source": d.Origen,
"target": d.Destino,
"value": +d.Toneladas });
});
// return only the distinct / unique nodes
graph.nodes = d3.keys( d3.nest()
.key( function (d) { return d.name; })
.object(graph.nodes));
// loop through each link replacing the text with its index from node
graph.links.forEach(function (d, i) {
graph.links[i].source = graph.nodes.indexOf(graph.links[i].source);
graph.links[i].target = graph.nodes.indexOf(graph.links[i].target);
});
// now loop through each nodes to make nodes an array of objects
// rather than an array of strings
graph.nodes.forEach(function (d, i) {
graph.nodes[i] = { "name": d };
});
sankey
.nodes(graph.nodes)
.links(graph.links)
.layout(32);
// add in the links
var link = svgK.append("g")
.selectAll(".link")
.data(graph.links)
.enter()
.append("path")
.attr("class", "link")
.attr("d", path)
.style("stroke-width", function(d) {
return Math.max(1, d.dy); })
.style("fill", "none")
.style("stroke", color_link)
.style("stroke-opacity", opacity_link)
.sort(function(a, b) { return b.dy - a.dy; })
.on("mouseover", function(d) {
d3.select(this)
.style("stroke-opacity",
function(d) { return opacity_link(d) + 0.3}) })
.on("mouseout", function(d) {
d3.select(this)
.style("stroke-opacity", opacity_link); });
// add backwards class to cycles
link.classed("backwards", function (d) {
return d.target.x < d.source.x; });
svgK.selectAll(".link.backwards")
.style("stroke-dasharray","9,1")
.style("stroke","#402");
// add the link titles
link.append("title")
.text(function(d) {
return d.source.name + " → " +
d.target.name + "\n" + format(d.value); });
// add in the nodes
var node = svgK.append("g")
.selectAll(".node")
.data(graph.nodes)
.enter()
.append("g")
.attr("class", "node")
.attr("transform", function(d) {
return "translate(" + d.x + "," + d.y + ")"; })
.call(d3.drag()
.subject(function(d) { return d; })
.on("start", function() {
this.parentNode.appendChild(this); })
.on("drag", dragmove))
.on("mouseover", function(d) {
link.filter(function(d1, i) {
return d.targetLinks.includes(d1) |
d.sourceLinks.includes(d1); })
.style("stroke-opacity", function(d) {
return opacity_link(d) + 0.3 }); })
.on("mouseout", function(d) {
link.filter(function(d1, i) {
return d.targetLinks.includes(d1) |
d.sourceLinks.includes(d1); })
.style("stroke-opacity", opacity_link); });
// add the rectangles for the nodes
node.append("rect")
.attr("height", function(d) { return d.dy; })
.attr("width", sankey.nodeWidth())
.style("fill", function(d) { return d.color = color_node(d); })
.style("stroke", function(d) { return d3.rgb(d.color).darker(2); })
.style("opacity", 0.9)
.style("cursor", "move")
.append("title")
.text(function(d) { return d.name + "\n" + format(d.value); });
// add in the title for the nodes
node.append("text")
.attr("x", -6)
.attr("y", function(d) { return d.dy / 2; })
.attr("dy", ".35em")
.attr("text-anchor", "end")
.attr("transform", null)
.text(function(d) { return d.name; })
.filter(function(d) { return d.x < plotWidth / 2; })
.attr("x", 6 + sankey.nodeWidth())
.attr("text-anchor", "start");
// the function for moving the nodes
function dragmove(d) {
d3.select(this)
.attr("transform",
"translate("
+ (d.x = Math.max(0, Math.min(plotWidth - d.dx, d3.event.x)))
+ ","
+ (d.y = Math.max(0, Math.min(plotHeight - d.dy, d3.event.y)))
+ ")");
sankey.relayout();
link.attr("d", path);
}
})
</script>
</body>
</html>