D3 2.10 allows you to implement custom interpolators for d3.svg.line and d3.svg.area. This contrived example shows how to draw arcs between data points using SVG’s elliptical arc path segments.
-
-
Save Timopheym/19930824146ee439b78d to your computer and use it in GitHub Desktop.
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| body { | |
| font: 10px sans-serif; | |
| } | |
| .axis path, .axis line { | |
| fill: none; | |
| stroke: #000; | |
| shape-rendering: crispEdges; | |
| } | |
| .line { | |
| fill: none; | |
| stroke: steelblue; | |
| stroke-width: 1.5px; | |
| } | |
| .dot { | |
| fill: white; | |
| stroke: steelblue; | |
| stroke-width: 1.5px; | |
| } | |
| </style> | |
| <body> | |
| <script src="https://raw.github.com/mbostock/d3/2.10.0/d3.v2.min.js"></script> | |
| <script> | |
| var data = d3.range(20).map(function(i) { | |
| return {x: i / 19, y: (Math.sin(i / 3) + 2) / 4}; | |
| }); | |
| var margin = {top: 10, right: 10, bottom: 20, left: 40}, | |
| width = 960 - margin.left - margin.right, | |
| height = 500 - margin.top - margin.bottom; | |
| var x = d3.scale.linear() | |
| .domain([0, 1]) | |
| .range([0, width]); | |
| var y = d3.scale.linear() | |
| .domain([0, 1]) | |
| .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() | |
| .interpolate(function(points) { return points.join("A 1,1 0 0 1 "); }) | |
| .x(function(d) { return x(d.x); }) | |
| .y(function(d) { return y(d.y); }); | |
| var svg = d3.select("body").append("svg") | |
| .datum(data) | |
| .attr("width", width + margin.left + margin.right) | |
| .attr("height", height + margin.top + margin.bottom) | |
| .append("g") | |
| .attr("transform", "translate(" + margin.left + "," + margin.top + ")"); | |
| svg.append("g") | |
| .attr("class", "x axis") | |
| .attr("transform", "translate(0," + height + ")") | |
| .call(xAxis); | |
| svg.append("g") | |
| .attr("class", "y axis") | |
| .call(yAxis); | |
| svg.append("path") | |
| .attr("class", "line") | |
| .attr("d", line); | |
| svg.selectAll(".dot") | |
| .data(data) | |
| .enter().append("circle") | |
| .attr("class", "dot") | |
| .attr("cx", line.x()) | |
| .attr("cy", line.y()) | |
| .attr("r", 3.5); | |
| </script> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment