Stolen from m.bostock http://bl.ocks.org/mbostock/1557377. Useful illustration of a concise method for creating a grid using D3, and for bonus kicks, some draggable SVG elements.
Last active
December 29, 2015 23:58
-
-
Save iainkirkpatrick/7745973 to your computer and use it in GitHub Desktop.
SVG grid creation using D3
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> | |
| svg { | |
| float: left; | |
| border: solid 1px #aaa; | |
| } | |
| </style> | |
| <script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script> | |
| <body> | |
| <script> | |
| var width = 238, | |
| height = 123, | |
| radius = 20; | |
| var drag = d3.behavior.drag() | |
| .origin(Object) | |
| .on("drag", dragmove); | |
| var svg = d3.select("body").selectAll("svg") | |
| .data(d3.range(16).map(function() { return {x: width / 2, y: height / 2}; })) | |
| .enter().append("svg") | |
| .attr("width", width) | |
| .attr("height", height); | |
| svg.append("circle") | |
| .attr("r", radius) | |
| .attr("cx", function(d) { return d.x; }) | |
| .attr("cy", function(d) { return d.y; }) | |
| .call(drag); | |
| function dragmove(d) { | |
| d3.select(this) | |
| .attr("cx", d.x = Math.max(radius, Math.min(width - radius, d3.event.x))) | |
| .attr("cy", d.y = Math.max(radius, Math.min(height - radius, d3.event.y))); | |
| } | |
| </script> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment