So it writes no output image, but there is no specific error message, nor does 
it crash?

Just out of curiosity, can you reproduce the *exact* command line for us? 

Can you try with the extra flags at the beginning:   --debug --runstats --info

and tell us everything it prints?


> On Jun 24, 2020, at 11:33 PM, Moe Myint Htet <moe.technicalart...@gmail.com> 
> wrote:
> 
> Ther return code is -1073741819.
> 
> 
> On Thu, Jun 25, 2020 at 3:03 PM Larry Gritz <l...@larrygritz.com 
> <mailto:l...@larrygritz.com>> wrote:
> Off the top of my head, it looks correct...
> 
> What resolution are the r, g, b, a files to begin with?
> 
> What happens, how does it fail? Is it a crash? An error message? Or does it 
> complete but the output image is not what you think it should be?
> 
> Is there anything unusual about the execution environment or hardware, like a 
> nonstandard OS or a very constrained amount of memory?
> 
> Which version of OIIO are you using?
> 
>       -- lg
> 
> 
>> On Jun 24, 2020, at 10:56 PM, Moe Myint Htet <moe.technicalart...@gmail.com 
>> <mailto:moe.technicalart...@gmail.com>> wrote:
>> 
>> Hi Larry,
>> 
>> This is Moe from Tokyo.
>> 
>> I couldn't convert 8K textures with oiiotool, and was wondering if you could 
>> shed some light.
>> If I use the same command with 4K textures, it works without any problem.
>> 
>> Here's the command line I'm using.
>> 
>> r = input jpeg texture path
>> g = input jpeg texture path
>> b = input jpeg texture path
>> a = input jpeg texture path, and I'm using its R channel for alpha
>> output = output tiff texture path
>> oiiotool r --ch R g --ch G --chappend b --ch B --chappend a --ch R 
>> --chappend --chnames R,G,B,A --resize 8192x8192 --compression lzw -d uint8 
>> -o output
>> 
>> If there's no known limitation for converting large textures, could it be 
>> that the command I'm using is wrong?
>> 
>> Thank you for your time.
>> Moe
> 
> --
> Larry Gritz
> l...@larrygritz.com <mailto:l...@larrygritz.com>
> 
> 
> 
> 
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--
Larry Gritz
l...@larrygritz.com




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