May 2019
Beginner to intermediate
650 pages
14h 50m
English
Content preview from Learn D3.js
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Radial line
A radial line function can be created with d3.lineRadial(). The coordinates of each data point are specified by the methods listed in the following table. Radial lines also inherit other line methods, such as defined() and curve(), which function in the same way.
|
Method |
Description |
|
angle(function) |
This returns an angle in radians. The reference meridian (0) is located at –y (12 o'clock). |
|
radius(function) |
This returns the distance from the center (0,0). |
The point coordinate methods for radial lines
There is a very cool real-world example we can create to demonstrate radial line charts. It uses a JSON file that you can download from the NASA GISS (Goddard Institute for Space Studies) website (data.giss.nasa.gov/gistemp ...
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