You also may want to try to use the PDF graphics device in R (function pdf) and 
then use convert (http://imagemagick.org) to make a PNG for viewing on the web. 
This is the method I have used with great success in my Django-dataplot package 
(http://django-dataplot.sf.net), which is a RPy plotting package for the Django 
web framework.

-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of Barry
Rowlingson
Sent: Monday, June 16, 2008 6:02 AM
To: RPy help, support and design discussion list
Subject: Re: [Rpy] zero byte images


Patrick Jackson wrote:
> Hello all I need your help.  I currently have a website that calls a python
> script that uses rpy to create graphs.  When I run the script from the
> console it works great but when I run the script via the website it is only
> creating a zero byte png file.  

> r.png(fileName, width = 480, height = 640)

What version of R? In all but the most recent R, the png() function 
requires an X Window Server. When you run it interactively it uses the 
one in front of you, when run from Apache, it doesn't have one.

  Upgrade R to 2.7 and try again.

Barry

-------------------------------------------------------------------------
Check out the new SourceForge.net Marketplace.
It's the best place to buy or sell services for
just about anything Open Source.
http://sourceforge.net/services/buy/index.php
_______________________________________________
rpy-list mailing list
rpy-list@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/rpy-list

______________________________________________________________________
This email has been scanned by the MessageLabs Email Security System.
For more information please visit http://www.messagelabs.com/email 
______________________________________________________________________

______________________________________________________________________
This email has been scanned by the MessageLabs Email Security System.
For more information please visit http://www.messagelabs.com/email 
______________________________________________________________________

-------------------------------------------------------------------------
Check out the new SourceForge.net Marketplace.
It's the best place to buy or sell services for
just about anything Open Source.
http://sourceforge.net/services/buy/index.php
_______________________________________________
rpy-list mailing list
rpy-list@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/rpy-list

Reply via email to