I used the code below to make a multiple line graph in d3 with a linear x-axis and it works just fine. Now I want to make the x-axis ordinal, but I have no clue how to do this. Any help would be amazing!
Code:
<!DOCTYPE html>
<html>
<body>
<center><h1>ZNF expression DFC</h1></center>
<meta charset="utf-8">
<style>
.axis--x path {
display: none;
}
.line {
fill: none;
stroke: steelblue;
stroke-width: 3.0px;
}
div.tooltip {
position: absolute;
text-align: center;
width: 60px;
height: 18px;
padding: 2px;
font: 12px sans-serif;
background: lightsteelblue;
border: 0px;
border-radius: 8px;
pointer-events: none;
}
</style>
<svg width="1560" height="1000"></svg>
<script src="//d3js.org/d3.v4.min.js"></script>
<script src="http://labratrevenge.com/d3-tip/javascripts/d3.tip.v0.6.3.js"></script>
<script>
var svg = d3.select("svg"),
margin = {top: 20, right: 80, bottom: 30, left: 50},
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.scaleLinear().range([0, width]),
y = d3.scaleLinear().range([height, 0]),
z = d3.scaleOrdinal(d3.schemeCategory20);
// Define the div for the tooltip
var div = d3.select("body").append("div")
.attr("class", "tooltip")
.style("opacity", 0);
var line = d3.line()
.x(function(d) { return x(d.Age); })
.y(function(d) { return y(d.expression); });
d3.csv("expression_ZNF_ages.csv", function(error, data) {
if (error) throw error;
var znfs = data.columns.slice(1).map(function(id) {
return {
id: id,
values: data.map(function(d) {
return {Age: d.Age, expression: d[id]};
})
};
});
x.domain([0, data.length]).range([0, width]);
y.domain([0, 40]).range([height,0]);
z.domain(znfs.map(function(c) { return c.id; }));
g.append("g")
.attr("class", "axis axis--x")
.attr("transform", "translate(0," + height + ")")
.call(d3.axisBottom(x));
g.append("g")
.attr("class", "axis axis--y")
.call(d3.axisLeft(y))
.append("text")
.attr("transform", "rotate(-90)")
.attr("y", 6)
.attr("dy", "0.71em")
.attr("fill", "#000")
.text("expression" );
var city = g.selectAll(".city")
.data(znfs)
.enter().append("g")
.attr("class", "city");
city.append("path")
.attr("class", "line")
.attr("d", function(d) { return line(d.values); })
.style("stroke", function(d) { return z(d.id); })
.on("mouseover", function(d) {
div.transition()
.duration(200)
.style("opacity", .9);
div .html(d.id)
.style("left", (d3.event.pageX) + "px")
.style("top", (d3.event.pageY - 28) + "px");
})
.on("mouseout", function(d) {
div.transition()
.duration(500)
.style("opacity", 0);
});
});
</script>
</body>
</html>
The data with which I want to work is a csv file and looks like this:
Age, ZNF8, ZNF18, ZNF136, ZNF140 .... ZNF778,
"8pwc", 13.654, 12.643, 10.593, 8,124, .... 9.900,
"9pwc", 4.364, 1.004, 3.576, 0.032, .... 5.512,
"2yrs", 65.345, 53.278, 33.001, 68.844, .... 54.544,
....
Thank you!
In this particular case, you have to use a point scale, which is a type of ordinal scale:
Point scales are a variant of band scales with the bandwidth fixed to zero. Point scales are typically used for scatterplots with an ordinal or categorical dimension.
A point scale will allow you to map a categorical (qualitative) variable to a continuous numeric output.
Thus, your scale should be:
var x = d3.scalePoint().range([0, width])
And its domain should be defined with a map:
x.domain(data.map(d=>d.Age));
Here is the working code: https://plnkr.co/edit/2nOLP5fEIHbs2U8OQB2y?p=preview
Related
I'm trying to get day of the month(i.e 1,2,3,4 ...etc) on the x axis and time period of the hour 0-24 on Y axis. I am unable to get the axis line i dont know why.Can someone tell me why? In the console window, it says padding is not defined.
<!DOCTYPE html>
<meta charset="utf-8">
<style>
/*set the axis line color, dot stroke, font size, and font position*/
body {
font: 13px helvetica;
}
.name{
position: relative;
top: 90px;
text-align: left;
font-weight: bold;
}
.title {
position: relative;
text-align: left;
font-size: 25px;
}
.axis path,
.axis line {
fill: none;
stroke: #000;
shape-rendering: crispEdges;
}
.dot {
stroke: #000;
}
#filter {
position: absolute;
}
#mark {
padding-left: 150px;
position: inherit;
}
#xAXs {
position: relative;
left: 290px;
bottom: 30px;
}
#yAXs {
position: relative;
bottom: 30px;
left: 315px;
}
#label {
position: absolute;
top: 599px;
bottom: 125px;
left: 300px;
right: 0px;
}
#label2 {
position: absolute;
top: 599px;
bottom: 125px;
left: 430px;
right: 0px;
}
</style>
<body>
<script src="http://d3js.org/d3.v3.min.js"></script>
<script>
var margin = {top: 20, right: 20, bottom: 30, left: 40},
width = 960 - margin.left - margin.right,
height = 500 - margin.top - margin.bottom;
var x = d3.scale.linear()
.range([0, width]);
var y = d3.scale.linear()
.range([height, 0]);
var color = d3.scale.category10();
var axisNames = {
Hour: 'Hour',
Day: 'Day',
};
// define the x scale (horizontal)
var mindate = new Date(2012,0,1),
maxdate = new Date(2012,0,31);
var xScale = d3.time.scale()
.domain([mindate, maxdate]) // values between for month of january
.range([padding, width - padding * 2]); // map these the the chart width = total width minus padding at both sides
var xAxis = d3.svg.axis()
.scale(xScale)
.orient("bottom");
var yAxis = d3.svg.axis()
.scale(y)
.orient("left");
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 + ")");
d3.csv("file1.csv", function(error, data) {
data.forEach(function(d) {
d.Day = +d.Day;
d.Hour = +d.Hour;
});
x.domain(d3.extent(data, function(d) { return d.Day; })).nice();
y.domain(d3.extent(data, function(d) { return d.Hour; })).nice();
svg.append("g")
.attr("class", "x axis")
.attr("transform", "translate(0," + height + ")")
.call(xAxis)
.append("text")
.attr("class", "label")
.attr("x", width)
.attr("y", -6)
.style("text-anchor", "end")
.text("Day");
svg.append("g")
.attr("class", "y axis")
.call(yAxis)
.append("text")
.attr("class", "label")
.attr("transform", "rotate(-90)")
.attr("y", 6)
.attr("dy", ".71em")
.style("text-anchor", "end")
.text("Hour")
var circles = svg.selectAll(".dot")
.data(data)
.enter().append("circle")
.attr("class", "dot")
.attr("r", 3.5)
.attr("cx", function(d) { return x(d.Hour); })
.attr("cy", function(d) { return y(d.day); })
.style("fill", function(d) { return color(d.name); });
var legend = svg.selectAll(".legend")
.data(color.domain())
.enter().append("g")
.attr("class", "legend")
.attr("transform", function(d, i) { return "translate(0," + i * 20 + ")"; });
legend.append("rect")
.attr("x", width - 18)
.attr("width", 18)
.attr("height", 18)
.style("fill", color);
legend.append("text")
.attr("x", width - 24)
.attr("y", 9)
.attr("dy", ".35em")
.style("text-anchor", "end")
.text(function(d) { return d; });
d3.selectAll("[name=v]").on("change", function() {
var selected = this.value;
display = this.checked ? "inline" : "none";
svg.selectAll(".dot")
.filter(function(d) {return selected == d.name;})
.attr("display", display);
});
d3.selectAll("[name=sepal]").on("change", function(d) {
radius = this.value;
svg.selectAll(".dot")
console.log(radius);
circles.attr("r", function(d) { return d[radius]; });
});
d3.select("[name=xAX]").on("change", function(){
xAxy = this.value;
console.log(xAxy)
x.domain(d3.extent(data, function(d) { return d[xAxy]; })).nice();
svg.select(".x.axis").transition().call(xAxis);
svg.selectAll(".dot").transition().attr("cx", function(d) {
return x(d[xAxy]);
});
svg.selectAll(".x.axis").selectAll("text.label").text(axisNames[xAxy] + " (cm)");
});
d3.select("[name=yAX]").on("change", function(){
yAxy = this.value;
console.log(yAxy)
y.domain(d3.extent(data, function(d) { return d[yAxy]; })).nice();
svg.select(".y.axis").transition().call(yAxis);
svg.selectAll(".dot").transition().attr("cy", function(d) {
return y(d[yAxy]);
});
svg.selectAll(".y.axis").selectAll("text.label").text(axisNames[yAxy] + " (cm)");
});
});
</script>
<br><br>
<br>
</body>
You set a time scale in which the range uses padding and width:
var xScale = d3.time.scale()
.domain([mindate, maxdate])
.range([padding, width - padding * 2]);
Despite you had previously defined width:
width = 960 - margin.left - margin.right;
You didn't define padding anywhere in your code.
So, just give it any value you want, before defining the time scale:
var padding = 42; //tweak this value
This is a question already asked, but none of the solutions worked for me so putting up again.
1.I am trying to change the color of the bar in my D3 bar chart, based on a certain threshold value(if the bar exceeds a particular value on the y axis say 30 in this case) How can I change the color of the bar to something else say blue.
I also want to draw a horizontal line at y= 30.
Data for this is a data.tsv file
letter frequency attachdate
a 13 12-May-2016
b 14 11-May-2016
body {
font: 10px sans-serif;
}
.axis path,
.axis line {
fill: none;
stroke: #000;
shape-rendering: crispEdges;
}
.bar {
fill: orange;
}
.bar:hover {
fill: orangered ;
}
.x.axis path {
display: none;
}
.d3-tip {
line-height: 1;
font-weight: bold;
padding: 12px;
background: rgba(0, 0, 0, 0.8);
color: #fff;
border-radius: 2px;
}
/* Creates a small triangle extender for the tooltip */
.d3-tip:after {
box-sizing: border-box;
display: inline;
font-size: 10px;
width: 100%;
line-height: 1;
color: rgba(0, 0, 0, 0.8);
content: "\25BC";
position: absolute;
text-align: center;
}
/* Style northward tooltips differently */
.d3-tip.n:after {
margin: -1px 0 0 0;
top: 100%;
left: 0;
}
</style>
var margin = {top: 40, right: 20, bottom: 160, left: 50},
width = 960 - margin.left - margin.right,
height = 600 - margin.top - margin.bottom;
var formatPercent = d3.format(".0%");
var x = d3.scale.ordinal()
.rangeRoundBands([0, width], .1);
var y = d3.scale.linear()
.range([height, 0]);
var xAxis = d3.svg.axis()
.scale(x)
.orient("bottom");
var yAxis = d3.svg.axis()
.scale(y)
.orient("left");
var tip = d3.tip()
.attr('class', 'd3-tip')
.offset([-10, 0])
.html(function(d) {
return "<strong>Number of days:</strong> <span style='color:red'>" + d.frequency + "</span>"+"</b><br/>Attach date: " + d.attachdate;
})
var svg = d3.select("body").append("svg")
.attr("align","center")
.attr("width", width + margin.left + margin.right)
.attr("height", height + margin.top + margin.bottom)
.append("g")
.attr("transform", "translate(" + margin.left + "," + margin.top + ")");
svg.call(tip);
d3.tsv("data.tsv", type, function(error, data) {
x.domain(data.map(function(d) { return d.letter; }));
y.domain([0, 60]);
svg.append("g")
.attr("class", "x axis")
.attr("transform", "translate(0,400)")
.call(xAxis)
.selectAll("text")
.style("text-anchor", "end")
.attr("dx", "-.8em")
.attr("dy", ".15em")
.attr("transform", "rotate(-65)");
svg.append("g")
.attr("class", "y axis")
.call(yAxis)
.append("text")
.attr("transform", "rotate(-90)")
.attr("y", 6)
.attr("dy", ".71em")
.style("text-anchor", "end")
.text("Number of days");
svg.selectAll(".bar")
.data(data)
.enter().append("rect")
.attr("class", "bar")
.attr("x", function(d) { return x(d.letter); })
.attr("width", x.rangeBand())
.attr("y", function(d) { return y(d.frequency); })
.attr("height", function(d) { return height - y(d.frequency); })
.on('mouseover', tip.show)
.on('mouseout', tip.hide)
});
svg.append("text")
.attr("x", (width / 2))
.attr("y", 0 - (margin.top / 2))
.attr("text-anchor", "middle")
.style("font-size", "18px" )
.style("text-decoration", "underline")
.style("fill", "red")
.text("Some heading");
function type(d) {
d.frequency = +d.frequency;
return d;
}
</script>
</body>
Any reason not to do the obvious:
svg.selectAll(".bar")
.data(data)
.enter().append("rect")
.attr("class", function(d) {d.frequency < threshold ? 'bar' : 'bar bar-special';})
etc.
As #Stephen told you can basically make use of the class attribute to manage the color of your bars. Another approach is to use the fill attribute and use a function to return the desired value.
svg.selectAll(".bar")
.data(data)
.enter().append("rect")
.attr("class", "bar")
.attr("x", function(d) { return x(d.letter); })
.attr("width", x.rangeBand())
.attr("y", function(d) { return y(d.frequency); })
.attr("height", function(d) { return height - y(d.frequency); })
.attr("fill", function(d) {
if (d.frequency >= 30) {
return 'red';
}
return 'green';
});
As for the line you want to draw you might do something like this:
svg.append("line")
.attr("x1", 0)
.attr("y1", y(30))
.attr("x2", width)
.attr("y2", y(30))
.style("stroke", "#828282")
.attr('stroke-dasharray', '2,2')
.attr('stroke-width', '1')
Here is a plunker with code similar to yours: https://plnkr.co/edit/3danSMezWDsbnJZXEUTH?p=preview
I'm currently working with D3.JS attempting to add to an existing graph every 24 hours. Using JSON data like this:
[{"name": "bill", "val": 28}, {"name": "kevin", "val": 46}, {"name": "ryan", "val": 23},{"name": "ville", "val": 56}]
I have a frequency value on my Y axis, and a username on my xaxis. I think I have my placement function correct, but when adding a new column (although the offset should stay the same) all columns are shifted out of place. The goal is to be able to add columns (new data) and keep the columns (rects) above the proper username.
Here is my current working code:
<html>
<head>
<script type="text/javascript" src="d3.min.js"></script>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.2.2/jquery.min.js"></script>
<script type="data/json" src="data.json"></script>
<style>
#chart rect{
fill: #4aaeea;
}
#chart text{
fill: white;
font: 10px sans-serif;
text-anchor: end;
}
.axis text{
font: 10px sans-serif;
}
.axis path, .axis line{
fill: none;
stroke : #fff;
shape-rendering: crispEdges;
}
body{
background: #1a1a1a;
color : #eaeaea;
padding : 5px;
}
</style>
</head>
<body>
<div id="chart"</div>
<script>
var margin ={top:20, right:30, bottom:30, left:40},
width=960-margin.left - margin.right,
height=500-margin.top-margin.bottom;
// scale to ordinal because x axis is not numerical
var x = d3.scale.ordinal().rangeRoundBands([0, width], .1);
//scale to numerical value by height
var y = d3.scale.linear().range([height, 0]);
var chart = d3.select("#chart")
.append("svg") //append svg element inside #chart
.attr("width", width+(2*margin.left)+margin.right) //set width
.attr("height", height+margin.top+margin.bottom); //set height
var xAxis = d3.svg.axis()
.scale(x)
.orient("bottom"); //orient bottom because x-axis will appear below the bars
var yAxis = d3.svg.axis()
.scale(y)
.orient("left");
var data;
d3.json("http://localhost:8000/data.json", function(error, data){
if (error) return console.warn(error);
x.domain(data.map(function(d){ return d.name}));
y.domain([0, d3.max(data, function(d){return d.val})]);
var bar = chart.selectAll("g")
.data(data)
.enter()
.append("g")
.attr("transform", function(d, i){
return "translate("+x(d.name)+", 0)";
});
console.log(margin.left);
bar.append("rect")
.attr("y", function(d) {
return y(d.val);
})
.attr("x", function(d,i){
return x(margin.left + 2);
})
.attr("height", function(d) {
return height - y(d.val);
})
.attr("width", Math.min.apply(null, [x.rangeBand()-2, 100]));
//.attr("width", x.rangeBand()); //set width base on range on ordinal data
bar.append("text")
.attr("x", (margin.left * 2.2))
.attr("y", function(d) { return y(d.val) })
.attr("dy", ".75em")
.text(function(d) { return d.val; });
chart.append("g")
.attr("class", "x axis")
.attr("transform", "translate("+margin.left+","+ height+")")
.call(xAxis);
chart.append("g")
.attr("class", "y axis")
.attr("transform", "translate("+margin.left+",0)")
.call(yAxis)
.append("text")
.attr("transform", "rotate(-90)")
.attr("y", 6)
.attr("dy", ".71em")
.style("text-anchor", "end")
.text("Frequency");
});
function type(d) {
d.name = +d.name; // coerce to number
return d;
}
</script>
I have done a few adjustments to the positional attributes of g elements containing bar rect elements and dx and dy attributes of text elements.
Hope this working code snippet helps.
var margin = {
top: 20,
right: 30,
bottom: 30,
left: 40
},
width = 960 - margin.left - margin.right,
height = 500 - margin.top - margin.bottom;
// scale to ordinal because x axis is not numerical
var x = d3.scale.ordinal().rangeRoundBands([0, width], .1);
//scale to numerical value by height
var y = d3.scale.linear().range([height, 0]);
var chart = d3.select("#chart")
.append("svg") //append svg element inside #chart
.attr("width", width + margin.left + margin.right) //set width
.attr("height", height + margin.top + margin.bottom); //set height
var xAxis = d3.svg.axis()
.scale(x)
.orient("bottom"); //orient bottom because x-axis will appear below the bars
var yAxis = d3.svg.axis()
.scale(y)
.orient("left");
var data = [{
"name": "bill",
"val": 28
}, {
"name": "kevin",
"val": 46
}, {
"name": "ryan",
"val": 23
}, {
"name": "ville",
"val": 56
}];
x.domain(data.map(function(d) {
return d.name
}));
y.domain([0, d3.max(data, function(d) {
return d.val
})]);
var barWidth = Math.min.apply(null, [x.rangeBand() - 2, 100]);
var bar = chart.selectAll("g")
.data(data)
.enter()
.append("g")
.attr("transform", function(d, i) {
return "translate(" + x(d.name) + ", " + y(d.val) + ")";
});
bar.append("rect")
.attr("y", 0)
.attr("x", barWidth - 10)
.attr("height", function(d) {
return height - y(d.val);
})
.attr("width", barWidth);
bar.append("text")
.attr("x", barWidth - 10)
.attr("y", 0)
.attr("dx", barWidth / 2)
.attr("dy", ".75em")
.text(function(d) {
return d.val;
});
chart.append("g")
.attr("class", "x axis")
.attr("transform", "translate(" + margin.left + "," + height + ")")
.call(xAxis);
chart.append("g")
.attr("class", "y axis")
.attr("transform", "translate(" + margin.left + ",0)")
.call(yAxis)
.append("text")
.attr("transform", "rotate(-90)")
.attr("y", 6)
.attr("dy", ".71em")
.style("text-anchor", "end")
.text("Frequency");
function type(d) {
d.name = +d.name; // coerce to number
return d;
}
#chart rect {
fill: #4aaeea;
}
#chart text {
fill: white;
font: 10px sans-serif;
text-anchor: end;
}
.axis text {
font: 10px sans-serif;
}
.axis path,
.axis line {
fill: none;
stroke: #fff;
shape-rendering: crispEdges;
}
body {
background: #1a1a1a;
color: #eaeaea;
padding: 5px;
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.4.11/d3.min.js"></script>
<div id="chart" </div>
I'm new to d3, but pretty familiar with the HighCharts api.
I've seen lots of examples of multiple d3 charts on the same page; but can't seem to find examples of one chart overlaying/sitting directly on top of another chart. Is this possible?
With HighCharts, you can define multiple chart types in the plotOptions config object. Is there something similar with d3? Or, how could you do this with d3?
I would effectively like to have a line graph on top of a bar chart. There will be different 'stages' according to the data, so some of the bar's could be inactive/empty.
Additionally, I need to display an indicator to show where the 'stage' is currently; and ensure that this is all responsive.
Example (rough mockup):
After researching d3 and looking for similar examples, I am thinking that maybe d3 isn't the best choice for this; maybe a custom CSS/JS/HTML solution (inside an angular app) would be better.
Any recommendations or pointers would be very appreciated.
Here's a quick mock-up started from this excellent bar chart example:
<!DOCTYPE html>
<meta charset="utf-8">
<style>
.point rect {
fill: steelblue;
}
.point circle {
fill: orange;
}
.point rect:hover {
fill: brown;
}
.axis {
font: 10px sans-serif;
}
.axis path,
.axis line {
fill: none;
stroke: #000;
shape-rendering: crispEdges;
}
.x.axis path {
display: none;
}
.line {
fill: none;
stroke: orange
}
</style>
<body>
<script src="//d3js.org/d3.v3.min.js"></script>
<script>
var margin = {top: 75, right: 20, bottom: 30, left: 40},
width = 600 - margin.left - margin.right,
height = 500 - margin.top - margin.bottom;
var x = d3.scale.ordinal()
.rangeRoundBands([0, width], .1);
var y = d3.scale.linear()
.range([height, 0]);
var xAxis = d3.svg.axis()
.scale(x)
.orient("bottom");
var yAxis = d3.svg.axis()
.scale(y)
.orient("left");
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 + ")");
var data = "abcdefghijklmnopqrstuvwxyz".split("").map(function(d){
return {
letter: d,
bar: Math.random() * 10,
line: Math.random() * 10
};
})
x.domain(data.map(function(d) { return d.letter; }));
y.domain([0, d3.max(data, function(d) { return d3.max([d.bar, d.line]); })]);
svg.append("g")
.attr("class", "x axis")
.attr("transform", "translate(0," + height + ")")
.call(xAxis);
svg.append("g")
.attr("class", "y axis")
.call(yAxis)
.append("text");
var points = svg.selectAll(".point")
.data(data)
.enter().append("g")
.attr("class", "point");
points.append('rect')
.attr("x", function(d) { return x(d.letter); })
.attr("width", x.rangeBand())
.attr("y", function(d) { return y(d.bar); })
.attr("height", function(d) { return height - y(d.bar); });
points.append('circle')
.attr("r", 5)
.attr("cx", function(d){ return x(d.letter) + x.rangeBand() / 2; })
.attr("cy", function(d){ return y(d.line)});
var line = d3.svg.line()
.x(function(d) { return x(d.letter) + x.rangeBand() / 2; })
.y(function(d) { return y(d.line); });
svg.append("path")
.attr("class", "line")
.datum(data)
.attr("d", line);
var indicator = svg.append("g")
.attr("r", 5)
.attr("transform", "translate(" + (x("q") + x.rangeBand() / 2) + "," + -20 + ")");
indicator.append("circle")
.attr("r", 40)
.style("fill", "red");
indicator.append("text")
.text("!")
.style("fill", "white")
.style("text-anchor", "middle")
.style("alignment-baseline", "middle")
.style("font-size", 70);
indicator.append("line")
.attr("y1", 20)
.attr("y2", height + 20)
.attr("x1", 0)
.attr("x2", 0)
.style("stroke", "red")
.style("stroke-width", "4px");
</script>
New Solution Based on Comments
Given your input data, here's a new example. I went a bit overboard here, so please ask question on any confusing bits. I tried to comment it out:
<!DOCTYPE html>
<meta charset="utf-8">
<style>
rect {
fill: steelblue;
}
circle {
fill: orange;
}
rect:hover {
fill: brown;
}
.axis {
font: 10px sans-serif;
}
.axis path,
.axis line {
fill: none;
stroke: #000;
shape-rendering: crispEdges;
}
.x.axis path {
display: none;
}
.line {
fill: none;
stroke: orange
}
</style>
<body>
<script src="//d3js.org/d3.v3.min.js"></script>
<script>
var margin = {
top: 75,
right: 20,
bottom: 30,
left: 40
},
width = 600 - margin.left - margin.right,
height = 500 - margin.top - margin.bottom;
var x = d3.scale.ordinal()
.rangeRoundBands([0, width], .1);
var y = d3.scale.linear()
.range([height, 0]);
var xAxis = d3.svg.axis()
.scale(x)
.orient("bottom");
var yAxis = d3.svg.axis()
.scale(y)
.orient("left");
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 + ")");
// here's your data
var data =
{
'point1': [{
'value': 50
}, {
'value': 100
}, {
'value': 100
}, {
'value': 150
}],
'point2': [{
'value': 25
}, {
'value': 40
}, {
'value': 60
}],
'point3': [{
'value': 25
}]
};
// d3ify your data
// d3 likes arrays of objects, you have an object of objects
// so first make it an array
var barData = d3.entries(data);
// set x domain
x.domain(barData.map(function(d){ return d.key }));
// create lineData
var lineData = [];
barData.forEach(function(d0, i){
d0.mean = d3.mean(d0.value, function(d1){ return d1.value });
d0.max = d3.max(d0.value, function(d1){ return d1.value});
var N = d0.value.length,
// this is an inner scale
// that represents each bar
s = d3.scale.linear().range([
x(d0.key) + (x.rangeBand() / N) / 2,
x(d0.key) + x.rangeBand()
]).domain([
0, N
])
d0.value.forEach(function(d1, j){
lineData.push({
x: s(j), // this is the pixel position of x, it's jittered on the bar
y: d1.value // this is the user position of y
})
});
});
// set y domain
y.domain([0, d3.max(barData, function(d) {
return d.max;
})]);
svg.append("g")
.attr("class", "x axis")
.attr("transform", "translate(0," + height + ")")
.call(xAxis);
svg.append("g")
.attr("class", "y axis")
.call(yAxis)
.append("text");
// draw bars
var bars = svg.selectAll(".bar")
.data(barData)
.enter()
.append('rect')
.attr('class', 'bar')
.attr("x", function(d) {
return x(d.key);
})
.attr("width", x.rangeBand())
.attr("y", function(d) {
return y(d.mean);
})
.attr("height", function(d) {
return height - y(d.mean);
});
// add points
var points = svg.selectAll('point')
.data(lineData)
.enter()
.append('circle')
.attr('class', 'point')
.attr("r", 5)
.attr("cx", function(d) {
return d.x; // already pixel position
})
.attr("cy", function(d) {
return y(d.y)
});
var line = d3.svg.line()
.x(function(d) {
return d.x; // already pixel position
})
.y(function(d) {
return y(d.y);
});
svg.append("path")
.attr("class", "line")
.datum(lineData)
.attr("d", line);
var indicator = svg.append("g")
.attr("transform", "translate(" + (x("point2") + x.rangeBand() / 2) + "," + -20 + ")");
indicator.append("circle")
.attr("r", 40)
.style("fill", "red");
indicator.append("text")
.text("!")
.style("fill", "white")
.style("text-anchor", "middle")
.style("alignment-baseline", "middle")
.style("font-size", 70);
indicator.append("line")
.attr("y1", 20)
.attr("y2", height + 20)
.attr("x1", 0)
.attr("x2", 0)
.style("stroke", "red")
.style("stroke-width", "4px");
</script>
Happy d3ing!
I want to create stacked bar chart with d3.
I have this data in CSV file:
Type Sum Color
Regular 29756.85897 green
Regular 9756.85897 blue
and I want that each row will appear above the other in Y axis.
for example in this photo, the blue area should start in y=9756 until y=39512.
what should I change?
this is the relevant html code:
the whole code:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<style>
body {
font: 10px sans-serif;
margin:auto;
}
.axis path,
.axis line {
fill: none;
stroke: #000;
shape-rendering: crispEdges;
}
.bar1 {
fill: #00FF66;
}
.bar1:hover {
fill: black ;
}
.x.axis path {
display: none;
}
.d3-tip {
line-height: 1;
font-weight: bold;
padding: 12px;
background: rgba(0, 0, 0, 0.8);
color: #fff;
border-radius: 2px;
}
/* Creates a small triangle extender for the tooltip */
.d3-tip:after {
box-sizing: border-box;
display: inline;
font-size: 10px;
width: 100%;
line-height: 1;
color: rgba(0, 0, 0, 0.8);
content: "\25BC";
position: absolute;
text-align: center;
}
/* Style northward tooltips differently */
.d3-tip.n:after {
margin: -1px 0 0 0;
top: 100%;
left: 0;
}
</style>
<body>
<script src="http://d3js.org/d3.v3.min.js"></script>
<script src="http://labratrevenge.com/d3-tip/javascripts/d3.tip.v0.6.3.js"></script>
<script>
var margin = {top: 80, right: 90, bottom: 30, left: 90},
width = 1000 - margin.left - margin.right,
height = 500 - margin.top - margin.bottom;
var formatPercent = d3.format(".0%");
//יצירת X
//יאכלס את סוגי הרכב השונים
var x = d3.scale.ordinal()
.rangeRoundBands([0, width], .1);
//יצירת ציר y
//יציג בר עבור מחיר הרכב המוצע לדילרים
var y = d3.scale.linear()
.range([height, 0]);
var xAxis = d3.svg.axis()
.scale(x)
.orient("bottom");
//יצירת ציר הY
//והצמדתו לצד שמאל
var yAxis = d3.svg.axis()
.scale(y)
.orient("left").ticks(4)
var tip = d3.tip()
.attr('class', 'd3-tip')
.offset([-10, 0])
.html(function(d) {
return "<strong></strong>"+d.Type+"<br><strong></strong> <span style='color:#00FF66'>" + d.Sum + "</span>";
})
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 + ")");
svg.call(tip);
//קליטת הטבלה והגדרת הטווחים על הצירים
d3.csv("Targil2.csv", type, function(error, data) {
x.domain(data.map(function(d) { return d.Type; }));
y.domain([0, d3.max(data, function(d) { return d.Sum*2; })]);
var stack = d3.layout.stack();
.x(function(d) { return d.Type }) // tell d3 to use Type as x value
.y(function(d) { return d.Sum }); // tell d3 to use Sum as y value
var stackData = stack(data);
//הוספה של 2 הצירים
svg.append("g")
.attr("class", "x axis")
.attr("transform", "translate(0," + height + ")")
.call(xAxis);
svg.append("g")
.attr("class", "y axis axisLeft")
.attr("transform", "translate(0,0)")
.call(yAxis)
.append("text")
.attr("y", 6)
.attr("dy", "-2em")
.style("text-anchor", "end")
.style("text-anchor", "end")
.text("Price");
//הוספת בר הנתונים
svg.selectAll(".bar")
.data(data)
.enter().append("rect")
.attr("x", function(d) { return x(d.Type); })
.attr("width", x.rangeBand())
.attr("y", function(d) { return d.y0 })
.attr("height", function(d) { return (height - y(d.Sum)); })
.style("fill", function(d){
if(d["Color"] == "green"){ return "green";}
else return "#0066FF";})
.on('mouseover', tip.show)
.on('mouseout', tip.hide)
});
function type(d) {
d.Sum = +d.Sum;
return d;
}
</script>
</body>
</html>
I tried to use that stack function as you told me, and changed the attribute of "y" , but it's not work for me now. I think I did something wrong.
Here you go.
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<style>
body {
font: 10px sans-serif;
margin:auto;
}
.axis path,
.axis line {
fill: none;
stroke: #000;
shape-rendering: crispEdges;
}
.bar1 {
fill: #00FF66;
}
.bar1:hover {
fill: black ;
}
.x.axis path {
display: none;
}
.d3-tip {
line-height: 1;
font-weight: bold;
padding: 12px;
background: rgba(0, 0, 0, 0.8);
color: #fff;
border-radius: 2px;
}
/* Creates a small triangle extender for the tooltip */
.d3-tip:after {
box-sizing: border-box;
display: inline;
font-size: 10px;
width: 100%;
line-height: 1;
color: rgba(0, 0, 0, 0.8);
content: "\25BC";
position: absolute;
text-align: center;
}
/* Style northward tooltips differently */
.d3-tip.n:after {
margin: -1px 0 0 0;
top: 100%;
left: 0;
}
</style>
<body>
<script src="http://d3js.org/d3.v3.min.js"></script>
<script src="http://labratrevenge.com/d3-tip/javascripts/d3.tip.v0.6.3.js"></script>
<script>
var margin = {top: 80, right: 90, bottom: 30, left: 90},
width = 1000 - margin.left - margin.right,
height = 500 - margin.top - margin.bottom;
var formatPercent = d3.format(".0%");
//יצירת X
//יאכלס את סוגי הרכב השונים
var x = d3.scale.ordinal()
.rangeRoundBands([0, width], .1);
//יצירת ציר y
//יציג בר עבור מחיר הרכב המוצע לדילרים
var y = d3.scale.linear()
.range([height, 0]);
var xAxis = d3.svg.axis()
.scale(x)
.orient("bottom");
//יצירת ציר הY
//והצמדתו לצד שמאל
var yAxis = d3.svg.axis()
.scale(y)
.orient("left").ticks(4)
var tip = d3.tip()
.attr('class', 'd3-tip')
.offset([-10, 0])
.html(function(d) {
return "<strong></strong>"+d.Type+"<br><strong></strong> <span style='color:#00FF66'>" + d.Sum + "</span>";
})
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 + ")");
svg.call(tip);
//קליטת הטבלה והגדרת הטווחים על הצירים
d3.csv("Targil2.csv", type, function(error, data) {
window.dataSet = data;
data.sort(function(x,y){
var a = x.Sum;
var b = y.Sum;
return a > b ? -1 : a < b ? 1 : 0
})
x.domain(data.map(function(d) { return d.Type; }));
y.domain([0, d3.max(data, function(d) { return d.Sum*2; })]);
var stack = d3.layout.stack()
.x(function(d) { return d.Type }) // tell d3 to use Type as x value
.y(function(d) { return d.Sum }); // tell d3 to use Sum as y value
// var stackData = stack(data);
//הוספה של 2 הצירים
svg.append("g")
.attr("class", "x axis")
.attr("transform", "translate(0," + height + ")")
.call(xAxis);
svg.append("g")
.attr("class", "y axis axisLeft")
.attr("transform", "translate(0,0)")
.call(yAxis)
.append("text")
.attr("y", 6)
.attr("dy", "-2em")
.style("text-anchor", "end")
.style("text-anchor", "end")
.text("Price");
var stackSoFar = 0;
//הוספת בר הנתונים
svg.selectAll(".bar")
.data(data)
.enter().append("rect")
.attr("x", function(d) { return x(d.Type); })
.attr("width", x.rangeBand())
.attr("y", function(d){
d3.select(this)
.attr("height", function(d2){
var thisHeight = height - y(d.Sum);
stackSoFar += thisHeight
return thisHeight
});
return (height - stackSoFar)
})
.style("fill", function(d){
if(d["Color"] == "green"){ return "green";}
else return "#0066FF";})
.on('mouseover', tip.show)
.on('mouseout', tip.hide)
});
function type(d) {
d.Sum = +d.Sum;
return d;
}
</script>
</body>
</html>
first of all, I guess that when you say
for example in this photo, the blue area should start in y=9756 until
y=39512
You actually mean
for example in this photo, the blue area should start in y=29756 until
y=39512
What happens is that your green area is painted from 0 to 29756 then your blue area on top of it from 0 to 9756. You need to shift each area on top of the previous one.
Easiest is to preprocess your data to do it.
D3.js can do it for you, see Stack Layout. This computes the y0 and y for all of your layers.
EDIT:
var stack = d3.layout.stack()
.x(function(d) { return d.Type }) // tell d3 to use Type as x value
.y(function(d) { return d.Sum }); // tell d3 to use Sum as y value
var stackData = stack(data);
After that, you data is augmented, i.e. each entry contains an additional y and y0 values that you can use directly to plot (in your y and height attribute).