Oh, I see what you meant. Great, I'm glad you have a full solution now.
-- lg
> On Dec 13, 2021, at 2:16 PM, Alejandro Enriquez <[email protected]> wrote:
>
> Yes, correct, using "oiio:subimagename" "rgba" did the trick that is why as
> you mentioned,not the file name.
>
> On Mon, Dec 13, 2021 at 5:09 PM Larry Gritz <[email protected]
> <mailto:[email protected]>> wrote:
> Those were just examples I was using to illustrate how to use --chnames and
> --attrib. I had no way to know the actual names of the files you were using.
>
> The name of the file doesn't matter at all, except to the extent that they
> are in fact the names of the files you are dealing with.
>
>
>
>> On Dec 13, 2021, at 2:00 PM, Jose Alejandro Enriquez
>> <[email protected] <mailto:[email protected]>> wrote:
>>
>> Hi Larry,
>>
>> The example shown below would be what I am looking for but it doesn't work,
>> I found naming the file rgba.exr instead of beauty.exr makes it work.
>>
>> I appreciate a lot your help,
>>
>> Best,
>>
>> --
>> Jose Alejandro Enriquez
>> Pipeline TD, PIXOMONDO
>> Skype Name: live:.cid.90318dda1ebc48cf
>> From: Oiio-dev <[email protected]
>> <mailto:[email protected]>> on behalf of Larry Gritz
>> <[email protected] <mailto:[email protected]>>
>> Sent: Monday, December 13, 2021 1:12 AM
>> To: OpenImageIO dev list <[email protected]
>> <mailto:[email protected]>>
>> Subject: Re: [Oiio-dev] Autocrop when merging images into a multichannel exr
>>
>> [EXTERNAL EMAIL]
>>
>> I'm not sure what you mean by "leaves the RGBA black", but to openexr,
>> channel names can be very important. You can use --chnames to rename the
>> channels of a layer, and --attrib "oiio:subimagename" to name the openexr
>> layer itself. So maybe something like:
>>
>>
>> oiiotool myrgba.exr --chnames R,G,B,A --attrib "oiio:subimagename" "beauty"
>> mydiffuse.exr --chnames diff.R,diff.G,diff.B --attrib "oiio:subimagename"
>> "diffuse" --siappendall -o out.exr
>>
>>
>>
>>
>>> On Dec 12, 2021, at 8:57 PM, Jose Alejandro Enriquez
>>> <[email protected] <mailto:[email protected]>> wrote:
>>>
>>> Thank you so much, Larry, that is exactly what I needed to know.
>>> One more question, if possible, when using --siappendall, is there a way to
>>> set the RGBA channels from one of the images?, let's suppose I also have a
>>> beauty pass I want to use as RGBA and not like another layer, because using
>>> --siappendall leaves the RGBA black.
>>>
>>> Cheers
>>>
>>> --
>>> Jose Alejandro Enriquez
>>> Pipeline TD, PIXOMONDO
>>> Skype Name: live:.cid.90318dda1ebc48cf
>>> From: Oiio-dev <[email protected]
>>> <mailto:[email protected]>> on behalf of Larry Gritz
>>> <[email protected] <mailto:[email protected]>>
>>> Sent: Sunday, December 12, 2021 7:52 PM
>>> To: OpenImageIO dev list <[email protected]
>>> <mailto:[email protected]>>
>>> Subject: Re: [Oiio-dev] Autocrop when merging images into a multichannel exr
>>>
>>> [EXTERNAL EMAIL]
>>>
>>> "autocrop" forces the data window to conform to the display window by
>>> discarding data outside the display window and/or padding with black pixels
>>> to grow the data window to fill the display window. But it only applies to
>>> output file formats that don't support separate display and data windows
>>> (which means it has no effect when outputting to .exr). Put another way,
>>> "autocrop" really means "automatically do --croptofull if the file format
>>> doesn't support separate display and data windows".
>>>
>>> "autotrim" trims away parts of the data window until it gets to the minimal
>>> rectangle that contains all non-black pixels of the image.
>>>
>>> I'm pretty sure it's autotrim you want here.
>>>
>>> There is a way to autotrim away the black parts in formats that support it,
>>>
>>> oiiotool --autotrim foo.exr bar.exr --siappendall -o out.exr
>>>
>>> or
>>>
>>> oiiotool foo.exr bar.exr --siappendall -o:autotrim=1 out.exr
>>>
>>> (In the first, --autotrim makes that the default for all outputs, in the
>>> second, the modifier to -o makes it autotrim for just that one output in
>>> particular -- same effect in this example, but remember you can have more
>>> than one -o in a command.)
>>>
>>> As it currently stands, though, the autotrim will trim all "parts" (what
>>> OIIO calls "subimages") in the output to the union of the region of nonzero
>>> pixels across all the subimages. Currently, it does not trim each part
>>> separately. I don't know if that distinction is important to you or not.
>>>
>>>
>>>
>>>> On Dec 10, 2021, at 2:37 PM, Jose Alejandro Enriquez
>>>> <[email protected] <mailto:[email protected]>> wrote:
>>>>
>>>> Hello everyone,
>>>>
>>>> I was wondering if there is a way to use oiiotool to auto crop images that
>>>> will be merged using --siappendall. Some layers have less pixel
>>>> information so, I would like to crop to their size, is this possible?
>>>>
>>>> I have tried the the -o:autocrop=1 flag before the output without success.
>>>>
>>>> Best,
>>>> --
>>>> Jose Alejandro Enriquez
>>>> Pipeline TD, PIXOMONDO
>>>> Skype Name: live:.cid.90318dda1ebc48cf
>>>> _______________________________________________
>>>> Oiio-dev mailing list
>>>> [email protected] <mailto:[email protected]>
>>>> http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org
>>>> <http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org>
>>> --
>>> Larry Gritz
>>> [email protected] <mailto:[email protected]>
>>>
>>>
>>>
>>>
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>>> http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org
>>> <http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org>
>> --
>> Larry Gritz
>> [email protected] <mailto:[email protected]>
>>
>>
>>
>>
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> --
> Larry Gritz
> [email protected] <mailto:[email protected]>
>
>
>
>
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--
Larry Gritz
[email protected]
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