tags:

views:

407

answers:

2
+1  Q: 

Is there a Javascript chart API with date object (labeling) support?

Does anybody know of a Javascript chart API that will handle scaling and labeling for date values on both axes? It looks like I'll have to do manual client-side calculations for labels if I want to use Google Chart API.

My data set is potentially sparse in the dates on either axis, so intelligent labeling calculations would save me a bunch of hassle. Thanks in advance!

+4  A: 

You may wish to look into flot for a JavaScript chart API. (I do not know if it will handle your specific labeling issue.)

Julien Chastang  2009-03-27 15:42:36
http://code.google.com/p/flot/source/browse/trunk/API.txt - See "Customizing the legend"It looks like you can pass in your own data point -> label function. Shouldn't be a problem.
Brendan Kidwell  2009-03-27 21:12:46
For the git-inclined, I have a pretty active fork of flot on GitHub. When I started it the iola guys hadn't touched the official version in several months. GitHub makes keeping the project alive a lot easier. Cheers.
thenduks  2009-03-27 21:19:44
It does automatically scale the axes, even when they are timestamp-based.
cdleary  2009-03-29 20:56:59
+1  A: 

Take a look at Google Chart API. I've never used it but I've seen people use it. According to the examples in the docs, you can put date labels on the axes.

Brendan Kidwell  2009-03-27 21:16:18
I mentioned in the question that I'm using the Google Chart API -- for sparse dates the labeling calculations are a good bit of work. I'm looking for something that will do it for me.
cdleary  2009-03-27 23:01:01
I'm stupid. Sorry about that.
Brendan Kidwell  2009-04-01 23:44:05

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