Area generator with y0 and y1 accessors.
From D3 in Depth book by Peter Cook.
Last active
August 2, 2017 11:23
-
-
Save d3indepth/f238d652d30f3fa2b8deda39e1a1eee4 to your computer and use it in GitHub Desktop.
Area generator (with y0 and y1 accessors)
This file contains 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
| license: gpl-3.0 | |
| height: 210 | |
| border: no |
This file contains 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"> | |
| <head> | |
| <title>Area generator with y0 and y1 accessors</title> | |
| </head> | |
| <style> | |
| path { | |
| fill: #ddd; | |
| } | |
| </style> | |
| <body> | |
| <svg width="700" height="200"> | |
| <g></g> | |
| </svg> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/4.2.2/d3.min.js"></script> | |
| <script> | |
| var yScale = d3.scaleLinear().domain([0, 100]).range([200, 0]); | |
| var points = [ | |
| {x: 0, low: 30, high: 80}, | |
| {x: 100, low: 80, high: 100}, | |
| {x: 200, low: 20, high: 30}, | |
| {x: 300, low: 20, high: 50}, | |
| {x: 400, low: 10, high: 40}, | |
| {x: 500, low: 50, high: 80} | |
| ]; | |
| var areaGenerator = d3.area() | |
| .x(function(d) { | |
| return d.x; | |
| }) | |
| .y0(function(d) { | |
| return yScale(d.low); | |
| }) | |
| .y1(function(d) { | |
| return yScale(d.high); | |
| }); | |
| var area = areaGenerator(points); | |
| // Create a path element and set its d attribute | |
| d3.select('g') | |
| .append('path') | |
| .attr('d', area); | |
| </script> | |
| </body> | |
| </html> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment