Skip to content

Instantly share code, notes, and snippets.

@yi-ye-zhi-qiu
Last active February 18, 2020 00:13
Show Gist options
  • Save yi-ye-zhi-qiu/a1ba6eac83c256acc9e72e3027063172 to your computer and use it in GitHub Desktop.
Save yi-ye-zhi-qiu/a1ba6eac83c256acc9e72e3027063172 to your computer and use it in GitHub Desktop.
fresh block
license: mit
//Idea heavily inspired by Michael Stanaland's http://bl.ocks.org/mstanaland/6100713.
//Written by an absolute begineer to coding/d3js.
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<title>d3.js learning</title>
<script src="https://d3js.org/d3.v3.min.js" charset="utf-8"></script>
<style type="text/css">
svg {
font: 10px sans-serif;
shape-rendering: crispEdges;
}
.axis path,
.axis line {
fill: none;
stroke: #000;
}
path.domain {
stroke: none;
}
.y .tick line {
stroke: #dddddd;
}
</style>
</head>
<body>
<script type="text/javascript">
// Setup svg using Bostock's margin convention
var margin = {top: 25, right: 160, bottom: 40, left: 30};
var width = 860 - margin.left - margin.right,
height = 500 - margin.top - margin.bottom;
var svg = d3.select("body")
.append("svg")
.attr("width", width + margin.left + margin.right)
.attr("height", height + margin.top + margin.bottom)
.append("g")
.attr("transform", "translate(" + margin.left + "," + margin.top + ")");
/* Data in strings like it would be if imported from a csv */
var data = [
{ year: "person1", 小虎: "01", 小明: "3", 小兔兔: "4", 小桃子: "10", 小陈: "5"},
{ year: "person2", 小虎: "02", 小明: "5", 小兔兔: "3", 小桃子: "9", 小陈: "6"},
];
// Transpose the data into layers
var dataset = d3.layout.stack()(["小虎", "小明", "小兔兔", "小桃子", "小陈"].map(function(fruit) {
return data.map(function(d) {
return {x: d.year, y: +d[fruit]};
});
}));
// Set x, y and colors
var x = d3.scale.ordinal().rangeRoundBands([1, width],0.05);
var xAxis = d3.svg.axis().scale(x).orient("bottom");
x.domain(data.map(function(d) { return d.year; }));
var y = d3.scale.linear()
.domain([0, d3.max(dataset, function(d) { return d3.max(d, function(d) { return d.y0 + d.y; }); })])
.range([height, 0]);
var colors = ["#003f5c", "#58508d", "#bc5090", "#ff6361","#ffa600"];
// Define and draw axes
var yAxis = d3.svg.axis()
.scale(y)
.orient("left")
.ticks(5)
.tickSize(-width, 0, 0)
.tickFormat( function(d) { return d } );
svg.append("g")
.attr("class", "y axis")
.call(yAxis);
svg.append("g")
.attr("class", "x axis")
.attr("transform", "translate(0," + height + ")")
.call(xAxis);
svg.append("text")
.attr("transform",
"translate(" + (width/2) + " ," +
(height + margin.top + 5) + ")")
.style("text-anchor", "middle")
.text("Boss (老板)");
svg.append("text")
.attr("transform", "rotate(-90)")
.attr("y", 0 - margin.left)
.attr("x",0 - (height / 2))
.attr("dy", "1em")
.style("text-anchor", "middle")
.text("# of mistakes");
// Create groups for each series, rects for each segment
var groups = svg.selectAll("g.cost")
.data(dataset)
.enter().append("g")
.attr("class", "cost")
.style("fill", function(d, i) { return colors[i]; });
var rect = groups.selectAll("rect")
.data(function(d) { return d; })
.enter()
.append("rect")
.attr("x", function(d) { return x(d.x); })
.attr("y", function(d) { return y(d.y0 + d.y); })
.attr("height", function(d) { return y(d.y0) - y(d.y0 + d.y); })
.attr("width", x.rangeBand())
.on("mouseover", function() { tooltip.style("display", null); })
.on("mouseout", function() { tooltip.style("display", "none"); })
.on("mousemove", function(d) {
var xPosition = d3.mouse(this)[0] - 15;
var yPosition = d3.mouse(this)[1] - 25;
tooltip.attr("transform", "translate(" + xPosition + "," + yPosition + ")");
tooltip.select("text").text(d.y);
});
// Draw legend
var legend = svg.selectAll(".legend")
.data(colors)
.enter().append("g")
.attr("class", "legend")
.attr("transform", function(d, i) { return "translate(30," + i * 19 + ")"; });
legend.append("rect")
.attr("x", width - 18)
.attr("width", 18)
.attr("height", 18)
.style("fill", function(d, i) {return colors.slice().reverse()[i];});
legend.append("text")
.attr("x", width + 5)
.attr("y", 9)
.attr("dy", ".35em")
.style("text-anchor", "start")
.text(function(d, i) {
switch (i) {
case 0: return "小陈";
case 1: return "小桃子";
case 2: return "小兔兔";
case 3: return "小明";
case 4: return "小虎";
}
});
// Prep the tooltip bits, initial display is hidden
var tooltip = svg.append("g")
.attr("class", "tooltip")
.style("display", "none");
tooltip.append("rect")
.attr("width", 30)
.attr("height", 20)
.attr("fill", "white")
.style("opacity", 0.5);
tooltip.append("text")
.attr("x", 15)
.attr("dy", "1.2em")
.style("text-anchor", "middle")
.attr("font-size", "10px")
.attr("font-weight", "bold");
</script>
</body>
</html>
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment