Glad you got it working. On Tue, Apr 12, 2022 at 6:01 PM Jerome Raim <[email protected]> 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 <[email protected]> > 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 < >> [email protected]> 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 <[email protected]> >>> 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 >>>> [email protected] >>>> http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org >>>> >>> >>> >>> -- >>> -Daniel >>> _______________________________________________ >>> Oiio-dev mailing list >>> [email protected] >>> http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org >>> >> _______________________________________________ > Oiio-dev mailing list > [email protected] > http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org > -- -Daniel
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