[Radiance-general] Fwd: HDRI post from iabel at iebele.nl requires approval

[Gregory J. Ward]

Let's keep this on radiance-general.

Thanks.
-Greg

Begin forwarded message:

> From: iebele abel <iabel at iebele.nl>
> Date: January 31, 2014 12:03:14 PM PST
> To: High Dynamic Range Imaging <hdri at radiance-online.org>
> Subject: RE: [HDRI] SMP file busy problem on iterative rendering in Linux
> 
> Dear Chris, 
> 
> I had something similar, using a similar script. That situation - a lock on the pp file - was solved after all octrees were compiled again, although rvu and rpict did not complain. Somehow rpiece locked the pp file, however. Strange... Good luck,
> 
> iebele
> 
> ---- Chris Kallie schreef ----
> 
>> Dear Radiance Users,
>> 
>> I've assembled a simple script that iterates through a folder containing 
>> octrees, and renders using SMP. On Mac, everything works as expected. 
>> However, on Linux, I get errors suggesting both the syncfile and ppfile 
>> are still locked by the OS. I've attempted two solutions, including 
>> adding 'sleep 5' after pfilt (first attempt, shown below), and then by 
>> externalizing the while loop, with an ending 'exit 0' (second attempt, 
>> not shown here), but neither approach fixed the problem.
>> 
>> Here is one version of code which works on Mac but not in Linux:
>> 
>> for file in obj/*.oct
>> do
>>    filename="${file%.*}"
>>    rm -f syncfile argsfile ppfile
>>    echo 1 64 > syncfile
>>    cat syncfile
>>    echo -F syncfile @arguments -vf room.vf -o $filename.unf 
>> $filename.oct > argsfile
>>    cat argsfile
>>    NCPU=2
>>    while [ "$NCPU" -gt 0 ]
>>    do
>>        echo "running proc $NCPU"
>>        rpiece -v -PP ppfile  @argsfile &
>>        sleep 5
>>        NCPU=`expr $NCPU - 1`
>>    done
>>    wait
>>    echo "Filtering File - $filename.unf"
>>    pfilt -1 -e -2 -m .25 -r .6 -x /3 -y /3 $filename.unf > $filename.hdr
>>    sleep 5
>>    rm -f syncfile argsfile ppfile
>> done
>> 
>> Interestingly, I do not get an error saying "cannot remove 'argsfile' ". 
>> After the first image is successfully rendered, I get the following 
>> errors at each successive iteration, indicating the rm only works once 
>> (line 4) in the first iteration:
>> 
>> rm: cannot remove 'syncfile': Text file busy
>> rm: cannot remove 'ppfile': Text file busy
>> rm: cannot remove 'syncfile': Text file busy
>> rm: cannot remove 'ppfile': Text file busy
>> 
>> Since the error isn't fatal, the machine keeps rendering, and ends up 
>> rendering the same (first) image over and over. Has anyone run into this 
>> problem and found a solution? Any advice would be greatly appreciated.
>> 
>> Thanks,
>> Chris
>> 
>> _______________________________________________
>> HDRI mailing list
>> HDRI at radiance-online.org
>> http://www.radiance-online.org/mailman/listinfo/hdri
> 
> 
> 
> From: hdri-request at radiance-online.org
> Date: January 31, 2014 12:34:20 PM PST
> Subject: confirm 20969091e7e2e4da0d2a03094f2222341b41133d
> 
> 
> If you reply to this message, keeping the Subject: header intact,
> Mailman will discard the held message.  Do this if the message is
> spam.  If you reply to this message and include an Approved: header
> with the list password in it, the message will be approved for posting
> to the list.  The Approved: header can also appear in the first line
> of the body of the reply.

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.radiance-online.org/pipermail/radiance-general/attachments/20140131/877e440f/attachment.html>