Re: Graphing With Google Charts API

FROM : Robert Douglas
DATE : Sun Jun 01 19:18:43 2008

I'm don't know about open source, but I agree that currently DataGraph 
is the best bet, and it is what I'm using for a couple of scientific 
projects.  GC compatible too.
Rob

On 1-Jun-08, at 7:20 AM, Ben Einstein wrote:

> I looked into this before. While Google's API is pretty good, it 
> takes a bunch of work to customize charts and graphs just the way 
> you want. I believe there's also a limit on the number of charts a 
> given user can generate, although I can't recall what this number 
> is. After playing with all the available options (there aren't many) 
> I chose David Addalsteinsson's  DataGraph application/framework.
>
> His tools are very powerful for 2D graphs and  have a boat-load of 
> pretty neat features that you'll never get with the Google API 
> (cropping, saving, adding points, live data graphing, etc). He has a 
> new open-source license and a commercial one for a pretty modest 
> price. The biggest advantage is the developer himself; he seems 
> extremely eager to add features that user's request and help with 
> questions. The biggest disadvantage is it's size, which weighs in 
> somewhere around 18mb. Check this out: http://www.visualdatatools.com/DataGraph/
>
> Ben
>
>
> On May 31, 2008, at 1:29 PM, Jamie Phelps wrote:
>

>> I am writing an application that could seriously benefit from a 
>> good graphing API. Of course, the simplest solution to this would 
>> be if Apple opened up GraphKit for Cocoa developers. Sadly, that 
>> seems not to be in the near future, so I'm looking at alternatives.
>>
>> While there are some graphing frameworks out there, most of them 
>> seem incomplete and/or without a great deal of ongoing development. 
>> So, my thought was that Google's relatively new Charts API would be 
>> a great way to plug this hole for the time being. Simple URL calls 
>> return PNG images that could then be cached.
>>
>> Other than the obvious need for an internet connection, can anyone 
>> see any reason this can't work as a viable solution to the graphing 
>> problem in Cocoa?
>>
>> For reference, here is Google's Charts API page: http://code.google.com/apis/chart/
>>
>> Jamie
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