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Some very newb processing + linux questions (Read 512 times)
corbs
Some very newb processing + linux questions
Mar 1st, 2008, 2:16pm  
Hi,

Apologies in advance for my very basic questions, I'm new to linux (xandros on an eee pc) and processing, but really want to get this to work.

Firstly I can't seem to run processing from a shell

/opt/processing/processing-0135> processing
bash: processing: command not found

I have to browse to the dir and double click on 'processing'.

Secondly when I try and run something like this:

import processing.video.*;

I get this in the shell:

/tmp/build52746.tmp/Temporary_2144_3486.java:1:34:1:49: Semantic Error: You need to modify your classpath, sourcepath, bootclasspath, and/or extdirs setup. Jikes could not find package "processing.video" in:

               /opt/processing/processing-0135/java/lib/rt.jar
*snip*
               /opt/processing/processing-0135/java/classes
*snip*
               /tmp/build52746.tmp
*snip*
               null
         /opt/processing/processing-0135/libraries/candy/library
*snip*
               java/lib/rt.jar

               java/lib/rt.jar

               lib

               lib

               lib/build

               lib/build

               lib/pde.jar

               lib/pde.jar

     *snip*
               .


--------------------------------------------------

It seems to me the classpath is looking in the right place, although I don't know how to modify it. Also a similar thing happens with Ess, even though I've copied the jar file into the libraries folder.

Also this seems to crash processing. I can't just press stop to end the program, I have to close the shell.

Cheers for any help.
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fog08
Re: Some very newb processing + linux questions
Reply #1 - Mar 1st, 2008, 11:07pm  
processing.video package is not available for linux. It uses Quicktime for Java on Windows and Macosx.
Try the examples from the file menu to see your processing installation works.
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javier.arantegui
Re: Some very newb processing + linux questions
Reply #2 - Mar 2nd, 2008, 12:12am  
Maybe this thread in a forum of eeepc users is useful to you:

Processing (language) on the EEE PC
http://forum.eeeuser.com/viewtopic.php?id=12994
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acapulco
Re: Some very newb processing + linux questions
Reply #3 - Mar 4th, 2008, 11:38pm  
corbs wrote on Mar 1st, 2008, 2:16pm:
Firstly I can't seem to run processing from a shell

/opt/processing/processing-0135> processing
bash: processing: command not found



Commands in Linux, when executed from a shell, need the full path.

To run processing from that place you need to do

Code:

./processing


The "./" means "the current directory". So to execute a program, you need to do "the current directory/program", ie "./program"

If you want to run processing from the root for example, you would do "/opt/processing/processing-0135/processing", or whataver your path is. In any case, you need a full path, either relative like in the first example, or absolute like in the second one.
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corbs
Re: Some very newb processing + linux questions
Reply #4 - Mar 6th, 2008, 2:40pm  
Thanks guys, that was useful.

I wasn't putting ess in a folder <_<
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