Re: Plotting a Line Graph

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On Fri, 2009-10-16 at 10:32 -0700, cool@xxxxxxxxxxxxxxxx wrote:

> (sorry about the long Subject line typo - resending)
> 
> I have a data file that stores about 500 numbers in a record - meant  
> to plot a basic line graph (left to right). The numbers can be  
> imported into a record with 500 fields or just stored in a text field  
> - which ever is better.
> 
> The user might want to pick a few random records and plot them  
> together - so the line graph may compare the few records together.
> 
> It seems that the google charts work from a url - so 500 points would  
> be way to long for any url - so I guess that option is out.
> 
> Q: what is the best way to create / display line graphs in with PHP?
> 
> Thanks in advance for your help - dave
> 
> 
> 
> 
> Thanks,
> cool@xxxxxxxxxxxxxxxx
> 
> 
> 
> 
> 
> 


There are some pre-built classes for plotting graphs, Pear Graph looks
good:

http://www.phpbuilder.com/columns/ian_gilfillan20060503.php3

and the screenshots look impressive if you Google it.

You could also roll your own, which wouldn't be too difficult

Thanks,
Ash
http://www.ashleysheridan.co.uk



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