[Scilab-Dev] Scilab-5 and rendering a plot under linux

[COLLETTE Yann]

The good news is that the plot command started to work under ATI (I have 
switched to the xorg radeon driver instead of the proprietary ATI driver).

YC

Vincent COUVERT a écrit :
> These NullPointerException should no more occur, I fixed this bug 
> yesterday evening.
>
> Vincent
>
> Collette Yann a écrit :
>> Collette Yann a écrit :
>>> Hello,
>>>
>>> I've still a lot of problem to render a plot under linux 
>>> mandriva-2008.0. I'm an unlucky owner of an ati radean 9200 PRO 
>>> graphic card.
>>> I've tried to install the latest ati driver obtained from 
>>> ati.amd.com and scilab-5 hangs when I tried to plot a simple curve 
>>> (see bug 
>>> http://www.scilab.org/cgi-bin/bugzilla_bug_II/show_bug.cgi?id=2657).
>>> So I decided to switch to the x.org ati driver.
>>> First try: I removed the Load "glx" and Load "dri" options with the 
>>> "radeon" driver.
>>> When I enter the command plot(X,Y), an empty plot windows pops up 
>>> and an error message appears in the console (something like "can't 
>>> find GLX ...").
>>> Second try: I added the Load "glx" option and then, the plot windows 
>>> appears and a loop  of error messages (related to java) appears in 
>>> the console. The list of messages ended with:
>>> Exception in thread "AWT-EventQueue-0" java.lang.OutOfMemoryError: 
>>> Java heap space
>>>
>>> I join a log of the error messages (the log is gzipped and weight 
>>> 11Mo ungzipped !).
>>>
>>> Yann COLLETTE
>> Hello,
>>
>> Ah ah ! Something has changed since this morning.
>> Here are the messages I see in the bash console when I start scilab 
>> (these messages where not here this morning):
>>
>> Could not enable OpenGL pipeline for default config on screen 0
>> Set the EventHandler status  of figure 0 to false
>> Exception in thread "main" java.lang.NullPointerException
>>        at 
>> org.scilab.modules.gui.bridge.CallScilabBridge.setEventHandlerEnabled(Unknown 
>> Source)
>> Set the EventHandler of figure 0 to
>> Exception in thread "main" java.lang.NullPointerException
>>        at 
>> org.scilab.modules.gui.bridge.CallScilabBridge.setEventHandler(Unknown 
>> Source)
>> Set the EventHandler status  of figure 0 to false
>> Exception in thread "main" java.lang.NullPointerException
>>        at 
>> org.scilab.modules.gui.bridge.CallScilabBridge.setEventHandlerEnabled(Unknown 
>> Source)
>> Set the EventHandler status  of figure 0 to false
>> Set the EventHandler of figure 0 to
>> Set the EventHandler status  of figure 0 to false
>>
>>
>> Now, When  do a plot(X,Y), here is the window I see (without any 
>> infinite loop) (see included image).
>> All the points of the curve are here ... but in disorder :-)
>>
>> YC
>>
>>
>>
>> ------------------------------------------------------------------------
>>
>