[Sidefx-houdini-list] COPs, PNG and Linux?

Sean Lewkiw seanl at rainmaker.com
Wed Jan 23 07:26:13 EST 2008


Have you tried querying the files with iinfo or iprint, both of which 
are Houdini utilities?  If these bail, I guess it's a problem with 
Houdini being able to read the .png files.

Sean

Darran Edmundson wrote:
> Peter Bowmar wrote:
>   
>> Hi Darran,
>>
>> What are the errors you're getting?
>>     
>
> That's the bizarreness, no errors via hscript.  Just the situation that 
> when the COPnet ROP output is .png, nothing written to disk, and when 
> the output is .pic, a 245kb image with all black.  The only thing I can 
> think off is a Linux issue with reading the source .png files?  But 
> since I can't actually see the COP viewport ...
>
> Cheers,
> Darran
>
>
>   
>> Cheers,
>>
>> Peter B
>>
>> On 23/01/2008, Darran Edmundson <darran at edmstudio.com> wrote:
>>     
>>> I have a COP network that works under XP (H9.0.794) but is failing
>>> without errors when executed under Linux.  Unfortunately this Linux box
>>> is headless so we can't run houdini in graphical mode, hscript only.
>>>
>>> hscript comp.hip
>>>  > cd /img/final
>>>  > opparm -c ./OUTPUT_ROP execute
>>>
>>> The source images are .png.  If I make the destination image format
>>> .png, no files get created.  However, if I make the destination image
>>> format .pic, files are created but are 250kb blanks rather than the
>>> expected 3.5Mb output I get running the above in a textport on my XP
>>> laptop.
>>>
>>> Any suggestions for tracking down the problem on the headless Linux box?
>>>       
>
>
>   

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