D3.js includes a set of Path Data Generators helper classes for generating SVG Path instructions.
Path generator includes
* d3.svg.line() - create a new line generator
* d3.svg.line.radial() - create a new radial line generator
* d3.svg.area() - create a new area generator
* d3.svg.area.radial() - create a new radial area generator
* d3.svg.arc() - create a new arc generator
* d3.svg.symbol() - create a new symbol generator
* d3.svg.chord() - create a new chord generator
* d3.svg.diagonal() - create a new diagonal generator
* d3.svg.diagonal.radial() - create a new radial diagonal generator
Example :
//The data for our line
var lineData = [ { "x": 1, "y": 5}, { "x": 20, "y": 20},
{ "x": 40, "y": 10}, { "x": 60, "y": 40},
{ "x": 80, "y": 5}, { "x": 100, "y": 60}];
//This is the accessor function we talked about above
var lineFunction = d3.svg.line()
.x(function(d) { return d.x; })
.y(function(d) { return d.y; })
.interpolate("linear");
//The SVG Container
var svgContainer = d3.select("body").append("svg")
.attr("width", 200)
.attr("height", 200);
//The line SVG Path we draw
var lineGraph = svgContainer.append("path")
.attr("d", lineFunction(lineData))
.attr("stroke", "blue")
.attr("stroke-width", 2)
.attr("fill", "none");
