Glad you got it working.

On Tue, Apr 12, 2022 at 6:01 PM Jerome Raim <jerome.r...@gmail.com> wrote:

> OK I think I got it to work.  ImageBufAlgo.channels() operation was
> crashing when I was preemptively setting the .specmod().tile_width/height
> to 0 but it seems to work when I set it afterwards.  Thanks for pointing me
> in the right direction!
>
> On Tue, Apr 12, 2022 at 11:34 AM Jerome Raim <jerome.r...@gmail.com>
> wrote:
>
>> Hi Daniel,
>> I appreciate the speedy response! I was a little weary of specmod() due
>> to the warning "It is safe to modify certain metadata, but if you change
>> the data format or resolution fields, you will get the chaos you deserve".
>>
>> I tried using in a few places but it either yields the same tiled image
>> or I get a "OpenEXR exception: Cannot initialize output part "1". Can't
>> build a OutputFile from a type-mismatched part."
>>
>> ...Getting closer.
>>
>> On Tue, Apr 12, 2022 at 11:19 AM Daniel Flehner Heen <
>> flehnerhee...@gmail.com> wrote:
>>
>>> Hi, Jerome!
>>>
>>> I ran into the same issue a couple of weeks back.
>>> Don't know if this is the best way, but setting the tile width and
>>> height to 0 directly on the ImageSpec worked for me.
>>> So before out.open():
>>>
>>> # I created/adjusted the specs in advance and referenced them for each
>>> subimage, but this might work (as proof of concept).
>>> comp_buf.specmod().tile_width = 0
>>> comp_buf.specmod().tile_height = 0
>>> matte_buf.specmod().tile_width = 0
>>> matte_buf.specmod().tile_height = 0
>>>
>>> open1 = out.open(out_filepath, (comp.spec(), matte_buf.spec()))
>>> ...
>>>
>>>
>>>
>>>
>>> On Tue, Apr 12, 2022 at 5:06 PM Jerome Raim <jerome.r...@gmail.com>
>>> wrote:
>>>
>>>> Hello,
>>>> I am combining multiple channels from various EXRs into a single
>>>> multi-image EXR.
>>>>
>>>> I am using set_write_tiles (0, 0) but the resulting EXR is still being
>>>> read as tiled.
>>>>
>>>> Code looks something like this:
>>>>
>>>> out = ImageOutput.create(out_filepath)
>>>>
>>>> open1 = out.open(out_filepath, (comp.spec(), matte_buf.spec()))
>>>> comp.set_write_tiles (0, 0)
>>>> comp.write(out)
>>>>
>>>> open2 = out.open(out_filepath, matte_buf.spec(), "AppendSubimage")
>>>> matte_buf.set_write_tiles (0, 0)
>>>> matte_buf.write(out)
>>>>
>>>> out.close()
>>>>
>>>> As always, thank you so much for a great library and knowledgeable help.
>>>>
>>>> Best,
>>>> Jerome
>>>> _______________________________________________
>>>> Oiio-dev mailing list
>>>> Oiio-dev@lists.openimageio.org
>>>> http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org
>>>>
>>>
>>>
>>> --
>>> -Daniel
>>> _______________________________________________
>>> Oiio-dev mailing list
>>> Oiio-dev@lists.openimageio.org
>>> http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org
>>>
>> _______________________________________________
> Oiio-dev mailing list
> Oiio-dev@lists.openimageio.org
> http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org
>


-- 
-Daniel
_______________________________________________
Oiio-dev mailing list
Oiio-dev@lists.openimageio.org
http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org

Reply via email to