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Bar Lines - D3 Hackday with Ian
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<!DOCTYPE html> | |
<head> | |
<meta charset="utf-8"> | |
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js"></script> | |
<style> | |
body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; } | |
svg { width: 100%; height: 100%; } | |
</style> | |
</head> | |
<body> | |
<svg width=960 height=500> | |
<rect id="base" x=100 y=100 width=500 height=6></rect> | |
<rect id="box" x=100 y=0 width=600 height=300 fill="none" stroke="#000"></rect> | |
</svg> | |
<script> | |
var data = [5, 19, 20, 6, 29]; | |
var chartHeight = 300, | |
chartWidth = 600, | |
chartX = 100, | |
xMargin = 15, | |
yMargin = 15; | |
var xScale = d3.scale.linear() | |
.domain([0, data.length-1]) | |
.range([chartX + xMargin, chartWidth - xMargin]); | |
var yScale = d3.scale.linear() | |
.domain([0, d3.max(data)]) | |
.range([chartHeight, yMargin]); | |
d3.select("#box").attr({ | |
width: chartWidth, | |
height: chartHeight, | |
x: chartX | |
}); | |
d3.select("#base").attr({ | |
y: chartHeight, | |
width: chartWidth, | |
x: chartX | |
}); | |
var svg = d3.select("svg"); | |
var circles = svg.selectAll("circle") | |
.data(data) | |
.enter() | |
.append("circle") | |
.attr({ | |
r: 10, | |
cx: function(d, i) { return xScale(i);}, | |
cy: yScale | |
}); | |
var bars = svg.selectAll("rect.bar") | |
.data(data) | |
.enter() | |
.append("rect") | |
.classed("bar", true) | |
.attr({ | |
x: function(d, i) { | |
return xScale(i);; | |
}, | |
y: function(d, i) { | |
return yScale(d); | |
}, | |
width: 10, | |
height: function(d, i) { | |
return chartHeight - yScale(d); | |
}, | |
fill: "orange" | |
}); | |
var barLines = svg.selectAll("line") | |
.data(data) | |
.enter() | |
.append("line") | |
.attr({ | |
x1: function(d, i) { | |
return xScale(i); | |
}, | |
y1: yScale, | |
x2: function(d, i) { | |
return xScale(i); | |
}, | |
y2: yScale.range()[0], | |
stroke: "#000", | |
"stroke-width": 10 | |
}); | |
var line = svg.selectAll("path") | |
.data([data]) | |
.enter() | |
.append("path") | |
.attr({ | |
d: function(d, i) { | |
var x = xScale(0); | |
var y = yScale(d[0]); | |
var string = "M" + [x, y]; | |
console.log("HERE"); | |
console.log(d); | |
for(var j=1;j < d.length; j++) { | |
x= xScale(j); | |
y= yScale(d[j]); | |
string += "L" + [x, y]; | |
} | |
console.log(string); | |
return string; | |
}, | |
stroke: "#000", | |
fill: "none" | |
}); | |
</script> | |
</body> | |
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