On Thu, Feb 11, 2010 at 10:11 AM, Jason King <[email protected]> wrote:

> Thanks. I actually saw the thing about the Default file, but my
> understanding was that it only dealt with defaults for the paramaters listed
> for the tag. So this doesn't add any new functionality, just makes it so
> that I can change how the tag performs within it's current capabilities.


Yes, but I thought you were asking about applying styles in general in
addition to the specific additions you want.

I need a functional, scaleable solution, and don't have any money to spend
> on it. CFCHART 'almost' does everything I need it to do, but just not quite
> enough. So it would be nice if a few additions could be made so it did what
> I needed.
>

Which is why I suggested jFreeCharts since it's (as the name implies) free.
Again, that's what OpenBD uses under the hood anyway, so you'd just be
accessing things directly instead of via the tag, but they have lots of
samples on their site as to how to do things.

However, how do you feel about google charts?
>

I'm using it on a Grails project at the moment. It's nice, but frankly how
you do the axis labels is a bit obtuse in my opinion, and the documentation
pretty much sucks. It's a slick way to do things but it takes some time to
figure out how things are going to behave and get things tweaked the way you
want.


> At first I was thinking I didn't want to rely on an outside source for
> charts, but then again, it's google, and going to google for the chart does
> reduce the load on my server. My thinking is that whatever time I lose in
> waiting on google for the chart is made up in the time I save not having to
> generate the chart on my own server.
>

It's an HTTP call which is pretty minor, so my concern with those situations
is always "what happens if it's down?" I certainly wouldn't choose google
charts to reduce load on your server because cranking out a chart with
jFreeCharts isn't exactly taxing from what I've seen.


> My guess is that google charts is finely tuned, probably much more so than
> cfchart or jfree.
>

Not sure why you'd think that. jFreeCharts has been around for a very long
time, and google charts is quite new. And since CFCHART uses jFreeCharts,
it's really just a wrapper for that functionality. I guess my point is
unless you're doing really heavy chart generation and do some load testing,
it's all just idle speculation.

-- 
Matthew Woodward
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