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@ghiden /bargraph.css
Last active Jan 13, 2017

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D3.js bar graph example
.chart {
background: #b0e0f8;
margin: 5px;
}
.chart rect {
stroke: white;
fill: steelblue;
}
.chart text {
fill: white;
}
.chart text.name {
fill: #000;
}
.chart line {
stroke: #c1c1c1;
}
.chart .rule {
fill: #000;
}
/* removed the while stroke as we don't need it anymore */
#step-5 .chart rect {
stroke: none;
}
/* a bit of hovering effect for each bar */
#step-5 .chart rect:hover {
fill: #64707D;
}
jQuery(function($) {
var names = ['John', 'Tim', 'Sam', 'Greg', 'Charles'],
hotdogs = [8, 4, 9, 12, 11],
chart,
width = 400,
bar_height = 20,
height = bar_height * names.length;
/* step 1 */
chart = d3.select($("#step-1")[0])
.append('svg')
.attr('class', 'chart')
.attr('width', width)
.attr('height', height);
/* step 2 */
var x, y;
chart = d3.select($("#step-2")[0])
.append('svg')
.attr('class', 'chart')
.attr('width', width)
.attr('height', height);
x = d3.scale.linear()
.domain([0, d3.max(hotdogs)])
.range([0, width]);
y = d3.scale.ordinal()
.domain(hotdogs)
.rangeBands([0, height]);
chart.selectAll("rect")
.data(hotdogs)
.enter().append("rect")
.attr("x", 0)
.attr("y", y)
.attr("width", x)
.attr("height", bar_height);
/* step 3 */
chart = d3.select($("#step-3")[0])
.append('svg')
.attr('class', 'chart')
.attr('width', width)
.attr('height', height);
chart.selectAll("rect")
.data(hotdogs)
.enter().append("rect")
.attr("x", 0)
.attr("y", y)
.attr("width", x)
.attr("height", y.rangeBand());
chart.selectAll("text")
.data(hotdogs)
.enter().append("text")
.attr("x", x)
.attr("y", function(d){ return y(d) + y.rangeBand()/2; } )
.attr("dx", -5)
.attr("dy", ".36em")
.attr("text-anchor", "end")
.text(String);
/* step 4 */
var left_width = 100;
chart = d3.select($("#step-4")[0])
.append('svg')
.attr('class', 'chart')
.attr('width', left_width + width)
.attr('height', height);
chart.selectAll("rect")
.data(hotdogs)
.enter().append("rect")
.attr("x", left_width)
.attr("y", y)
.attr("width", x)
.attr("height", y.rangeBand());
chart.selectAll("text.score")
.data(hotdogs)
.enter().append("text")
.attr("x", function(d) { return x(d) + left_width; })
.attr("y", function(d){ return y(d) + y.rangeBand()/2; } )
.attr("dx", -5)
.attr("dy", ".36em")
.attr("text-anchor", "end")
.attr('class', 'score')
.text(String);
chart.selectAll("text.name")
.data(names)
.enter().append("text")
.attr("x", left_width / 2)
.attr("y", function(d, i){ return y(hotdogs[i]) + y.rangeBand()/2; } )
.attr("dy", ".36em")
.attr("text-anchor", "middle")
.attr('class', 'name')
.text(String);
/* step 5 */
var gap = 2;
// redefine y for adjusting the gap
y = d3.scale.ordinal()
.domain(hotdogs)
.rangeBands([0, (bar_height + 2 * gap) * names.length]);
chart = d3.select($("#step-5")[0])
.append('svg')
.attr('class', 'chart')
.attr('width', left_width + width + 40)
.attr('height', (bar_height + gap * 2) * names.length + 30)
.append("g")
.attr("transform", "translate(10, 20)");
chart.selectAll("line")
.data(x.ticks(d3.max(hotdogs)))
.enter().append("line")
.attr("x1", function(d) { return x(d) + left_width; })
.attr("x2", function(d) { return x(d) + left_width; })
.attr("y1", 0)
.attr("y2", (bar_height + gap * 2) * names.length);
chart.selectAll(".rule")
.data(x.ticks(d3.max(hotdogs)))
.enter().append("text")
.attr("class", "rule")
.attr("x", function(d) { return x(d) + left_width; })
.attr("y", 0)
.attr("dy", -6)
.attr("text-anchor", "middle")
.attr("font-size", 10)
.text(String);
chart.selectAll("rect")
.data(hotdogs)
.enter().append("rect")
.attr("x", left_width)
.attr("y", function(d) { return y(d) + gap; })
.attr("width", x)
.attr("height", bar_height);
chart.selectAll("text.score")
.data(hotdogs)
.enter().append("text")
.attr("x", function(d) { return x(d) + left_width; })
.attr("y", function(d, i){ return y(d) + y.rangeBand()/2; } )
.attr("dx", -5)
.attr("dy", ".36em")
.attr("text-anchor", "end")
.attr('class', 'score')
.text(String);
chart.selectAll("text.name")
.data(names)
.enter().append("text")
.attr("x", left_width / 2)
.attr("y", function(d, i){ return y(hotdogs[i]) + y.rangeBand()/2; } )
.attr("dy", ".36em")
.attr("text-anchor", "middle")
.attr('class', 'name')
.text(String);
}(jQuery));

morfioce commented Mar 3, 2013

you are missing text.score in the css file !!

Thanks for sharing.

Step4 / 5 - correction

chart.selectAll("text.name")
.....
.attr("y", function(d, i){ return y(hotdogs[i]) + y.rangeBand()/2; } )
.....

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