I`m using d3.js, Sortable Barchart with the following code:
function countrydownloads(input) {
d3.select(".barchartCountryDownloads").select("svg").remove();
var data = [{"country":"Austria","downloads":"10000"},{"country":"Germany","downloads":"20000"},{"country":"Spain","downloads":"30000"}];
var margin = {top: 20, right: 20, bottom: 30, left: 40},
width = 960 - margin.left - margin.right,
height = 500 - margin.top - margin.bottom;
var formatPercent = d3.format(".0%");
var x = d3.scale.ordinal()
.rangeRoundBands([0, width], .1, 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")
.tickFormat(formatPercent);
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.forEach(function(d) {
d.downloads = +d.downloads;
});
x.domain(data.map(function(d) { return d.country; }));
y.domain([0, d3.max(data, function(d) { return d.downloads; })]);
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")
.attr("transform", "rotate(-90)")
.attr("y", 6)
.attr("dy", ".71em")
.style("text-anchor", "end")
.text("Frequency");
svg.selectAll(".bar")
.data(data)
.enter().append("rect")
.attr("class", "bar")
.attr("x", function(d) { return x(d.country); })
.attr("width", x.rangeBand())
.attr("y", function(d) { return y(d.downloads); })
.attr("height", function(d) { return height - y(d.downloads); });
d3.select("input").on("change", change);
var sortTimeout = setTimeout(function() {
d3.select("input").property("checked", true).each(change);
}, 2000);
function change() {
clearTimeout(sortTimeout);
// Copy-on-write since tweens are evaluated after a delay.
var x0 = x.domain(data.sort(this.checked
? function(a, b) { return b.downloads - a.downloads; }
: function(a, b) { return d3.ascending(a.country, b.country); })
.map(function(d) { return d.country; }))
.copy();
var transition = svg.transition().duration(750),
delay = function(d, i) { return i * 50; };
transition.selectAll(".bar")
.delay(delay)
.attr("x", function(d) { return x0(d.country); });
transition.select(".x.axis")
.call(xAxis)
.selectAll("g")
.delay(delay);
};
}
I don`t get anything displayed. I tried Barchart with the same kind of data, there it worked. Where is the mistake with Sortable Barchart?
.append("g:")
should be
.append("g")
If you haven't used them before, you might want to check out the chrome dev tools. Small typos like this are a lot easier to debugger when you can step through your code to see exactly what line is is causing the error to occur.
Related
I have a bar chart/histogram, all working fine.
I need to change the text and lines on the chart is on a black background.I
Also, the bar colors need to be orange.
I have had a look around the web, and seen some references to .attr("style":...); and have tried this without success.
Any pointers gratefully received.
<script>
// set the dimensions of the canvas
var margin = {top: 20, right: 20, bottom: 70, left: 40},
width = 1890 - margin.left - margin.right,
height = 400 - margin.top - margin.bottom;
// set the ranges
var x = d3.scale.ordinal().rangeRoundBands([0, width], .05);
var y = d3.scale.linear().range([height, 0]);
// define the axis
var xAxis = d3.svg.axis()
.scale(x)
.orient("bottom")
var yAxis = d3.svg.axis()
.scale(y)
.orient("left")
.ticks(10);
// add the SVG element
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 + ")");
// load the data
d3.json("/assets/js/risk_hist_values.json", function(error, data) {
// the number of columns in this chart
var numCols = data.length;
data.forEach(function(d) {
d.Letter = d.bin_no;
d.Freq = +d.count;
});
// scale the range of the data
x.domain(data.map(function(d) { return d.Letter; }));
y.domain([0, d3.max(data, function(d) { return d.Freq; })]);
var tip = d3.tip()
.attr('class', 'd3-tip')
.offset([-10, 0])
.html(function(d) {
return "<strong>Count:</strong> <span style='color:red'>" + d.count + "</span>";
})
// call the tips
svg.call(tip);
// add axis
svg.append("g")
.attr("class", "x axis")
.attr("transform", "translate(0," + height + ")")
.call(xAxis)
.selectAll("text")
.style("text-anchor", "end")
.attr("dx", "-.8em")
.attr("dy", "-.55em")
.attr("transform", "rotate(-90)" );
svg.append("g")
.attr("class", "y axis")
.call(yAxis)
.append("text")
.attr("transform", "rotate(-90)")
.attr("y", 5)
.attr("dy", ".71em")
.style("text-anchor", "end")
.text("Count");
// Add bar chart
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.Freq); })
.on('mouseover', tip.show)
.on('mouseout', tip.hide)
.on('click', drill)
.attr("id", function(d, i){ return 'b_'+i+''; })
.attr("height", function(d) { return height - y(d.Freq); });
});
function drill(){
alert( 'drilling' );
}
</script>
I've adapted this code from the multi-line line chart example here. The biggest issue I'm now having after researching what changes I needed to make is that the data lines disappear when I use .rangePoints on the x-axis ordinal scale. With just .range, the x-axis displays nothing and the data lines are bunched up along the left side of the y-axis. This has something to do with the fact I altered the original code from a time scale to ordinal, but I'm stumped as to what further changes I need to make.
Code below:
var margin = {top: 20, right: 80, bottom: 30, left: 50},
width = 500 - margin.left - margin.right,
height = 280 - margin.top - margin.bottom;
var x = d3.scale.ordinal()
.rangePoints([0, width]);
var y = d3.scale.linear()
.range([height, 0]);
var color = d3.scale.category10();
var xAxis = d3.svg.axis()
.scale(x)
.orient("bottom");
var yAxis = d3.svg.axis()
.scale(y)
.orient("left");
var line = d3.svg.line()
.interpolate("linear")
.x(function(d) { return x(d.episodes); })
.y(function(d) { return y(d.season); });
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("data.csv", function(error, data) {
color.domain(d3.keys(data[0]).filter(function(key) { return key !== "episodes"; }));
var seasons = color.domain().map(function(name) {
return {
name: name,
values: data.map(function(d) {
return {date: d.episodes, season: +d[name]};
})
};
});
x.domain(data.map(function(d) { return d.episodes; }));
y.domain([
d3.min(seasons, function(c) { return d3.min(c.values, function(v) { return v.season; }); }),
d3.max(seasons, function(c) { return d3.max(c.values, function(v) { return v.season; }); })
]);
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")
.attr("transform", "rotate(-90)")
.attr("y", 6)
.attr("dy", ".71em")
.style("text-anchor", "end")
.text("Viewership (in mlns)");
var s = svg.selectAll(".city")
.data(seasons)
.enter().append("g")
.attr("class", "city");
s.append("path")
.attr("class", "line")
.attr("d", function(d) { return line(d.values); })
.style("stroke", function(d) { return color(d.name); });
s.append("text")
.datum(function(d) { return {name: d.name, value: d.values[d.values.length - 1]}; })
.attr("transform", function(d) { return "translate(" + x(d.value.date) + "," + y(d.value.season) + ")"; })
.attr("x", 3)
.attr("dy", ".35em")
.text(function(d) { return d.name; });
});
I am new in D3 js and working on it.i wanted to implement bar graph through it in my MVC3 web application.Could you please let me know how can i create bar graph with dynamically.below is sample code but i am not able to find the dynamic creation bar graph
<script>
var margin = { top: 20, right: 20, bottom: 30, left: 50 },
width = 600 - margin.left - margin.right,
height = 400 - margin.top - margin.bottom;
var parseDate = d3.time.format("%Y").parse;
var x = d3.time.scale()
.range([0, width]);
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 line = d3.svg.line()
.x(function (d) { return x(d.year); })
.y(function (d) { return y(d.oil); });
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("YearlyOilProduction.csv", function (error, data)
{
data.forEach(function (d) {
d.year = parseDate(d.year);
d.oil = +d.oil;
});
x.domain(d3.extent(data, function (d) { return d.year; }));
y.domain(d3.extent(data, function (d) { return d.oil; }));
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")
.attr("transform", "rotate(-90)")
.attr("y", 6)
.attr("dy", ".71em")
.style("text-anchor", "end")
.text("million Sm3");
svg.append("path")
.datum(data)
.attr("class", "line")
.attr("d", line);
});
</script>
I'm a d3 novice trying to create a simple, two-series bar chart that transitions when different buttons are clicked. The original chart is constructed:
var margin = {top: 20, right: 20, bottom: 30, left: 40},
width = 960 - margin.left - margin.right,
height = 500 - margin.top - margin.bottom;
var x0 = d3.scale.ordinal()
.rangeRoundBands([0, width], .1);
var x1 = d3.scale.ordinal();
var y = d3.scale.linear()
.range([height, 0]);
var color = d3.scale.ordinal()
.range(["#d4d4d4", "#58bd5b",]);
var xAxis = d3.svg.axis()
.scale(x0)
.orient("bottom");
var yAxis = d3.svg.axis()
.scale(y)
.orient("left")
.tickFormat(d3.format(".2s"));
var svg = d3.select("div.d3space").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("/assets/data/data3.csv", function(error, data) {
var hourBuckets = d3.keys(data[0]).filter(function(key) { return key !== "Client"; });
data.forEach(function(d) {
d.hours = hourBuckets.map(function(name) { return {name: name, value: +d[name]}; });
});
x0.domain(data.map(function(d) { return d.Client; }));
x1.domain(hourBuckets).rangeRoundBands([0, x0.rangeBand()]);
y.domain([0, d3.max(data, function(d) { return d3.max(d.hours, function(d) { return d.value; }); })]);
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")
.attr("transform", "rotate(-90)")
.attr("y", 6)
.attr("dy", ".71em")
.style("text-anchor", "end")
.text("Hours");
var client = svg.selectAll(".client")
.data(data)
.enter().append("g")
.attr("class", "g")
.attr("transform", function(d) { return "translate(" + x0(d.Client) + ",0)"; });
client.selectAll("rect")
.data(function(d) { return d.hours; })
.enter().append("rect")
.attr("width", x1.rangeBand())
.attr("x", function(d) { return x1(d.name); })
.attr("y", function(d) { return y(d.value); })
.attr("height", function(d) { return height - y(d.value); })
.style("fill", function(d) { return color(d.name); });
var legend = svg.selectAll(".legend")
.data(hourBuckets.slice().reverse())
.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; });
});
The csv being accessed is in the following format:
Client,Planned,Actual
ICC,25,50
RNR,50,47.5
MB,10,2.5
This chart renders as desired. The piece I am struggling with is getting this graph to transition to reflect different data when a link is clicked (link has id="fourweeks"). I have tried this onclick function:
window.onload = function() {
var a = document.getElementById("fourweeks");
var b = document.getElementById("eightweeks");
var c = document.getElementById("twelveweeks");
a.onclick = function() {
d3.csv("/assets/data/data1.csv", function(error, data) {
var hourBuckets = d3.keys(data[0]).filter(function(key) { return key !== "Client"; });
data.forEach(function(d) {
d.hours = hourBuckets.map(function(name) { return {name: name, value: +d[name]}; });
});
var client = svg.selectAll(".client")
client.selectAll("rect")
.data(function(d) { return d.hours; })
.transition()
.duration(1000)
.attr("y", function(d) { return y(d.value); })
.attr("height", function(d) { return height - y(d.value); })
});
}
}
...no dice. I can get this to work when creating / transitioning simple one-series bar charts that use list inputs, but not the multi-series csv ones. data2.csv is the exact same file as data1.csv, with the values adjusted slightly.
Thanks for your time reading - any advice?
First svg.selectAll(".client") returns an empty selection, because you gave these elements the class 'g' instead of 'client'.
Secondly you need to update the data of the .client-elements:
var client = svg.selectAll(".client")
.data(data);
btw. you should use selection.classed() instead of selection.attr('class')
I want to print the value of the data in a bar chart on top of the bar ... like if the count of population in 2012 was say 20000124 then on top of the bar at 2012 it should print 20000124.
how do i do that?
this is i worote the code to print bar chart..
var margin = {top: 20, right: 20, bottom: 30, left: 40},
width = 220 - margin.left - margin.right,
height = 220 - 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 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.tsv("data/bar2.tsv", function(error, data) {
data.forEach(function(d) {
d.frequency = +d.frequency;
});
x.domain(data.map(function(d) { return d.letter; }));
y.domain([0, 100]);
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")
.attr("transform", "rotate(-90)")
.attr("y", 6)
.attr("dy", ".71em")
.style("text-anchor", "end")
.text("Frequency");
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); })
.text(function(d) { return d.letter});
});
so basically how do i add a label on top of every bar ?
You can add the label to the bars by appending text elements after the rectangles. Something along the lines of
var sel = svg.selectAll(".bar")
.data(data).enter();
sel.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); });
sel.append("text")
.attr("x", function(d) { return x(d.letter); })
.attr("y", function(d) { return y(d.frequency); })
.text(function(d) { return d.letter});
You might want to tweak the position of the text to your liking.