Larry, I appreciate your quick response! I was hoping to keep it all native-Python and not have to spit out temporary files.
CLI is definitely an easy option, so I could run it as a subprocess in my python script. Best, Jerome On Fri, Jul 17, 2020 at 4:37 PM Larry Gritz <[email protected]> wrote: > You're half way there -- this python script splits all the non-RGB > channels out into separate JPG files. > > It's easy to convert your jpegs to an animated GIF from the command line: > > oiiotool *.jpg -siappendall --attrib FramesPerSecond 1.0 -o anim.gif > > Doing it from Python is possible (given a very recently posted fix), but > frankly is unnecessarily complicated compared to the above single command. > > > > On Jul 17, 2020, at 1:30 PM, Jerome Raim <[email protected]> wrote: > > Hello all, > I'm writing a script to help operators inspect all available channels that > aren't RGB in an EXR. I'd like to create a 1fps GIF that shows all non-RGB > channels. > > I am able to extract each channel and save it as JPG, but not finding the > proper syntax to save it as an animated GIF. > > What I have so far: > > import OpenImageIO as oiio > from OpenImageIO import ImageInput, ImageOutput > from OpenImageIO import ImageBuf, ImageSpec, ImageBufAlgo, ROI > > input_path = 'vfx.exr' > > > > > img = oiio.ImageBuf(input_path) > > for ch in [c for c in spec.channelnames if not c in ['R', 'G', 'B']]: > ch_img = ImageBufAlgo.channels(img, (ch,ch,ch), newchannelnames=("R", > "G", "B")) > ch_img = ImageBufAlgo.fit(ch_img, roi=ROI(0,640,0,480,0,1,0,3)) > > ImageBufAlgo.render_text(ch_img, x=0, y=100, text=ch, textcolor=(1,1,1 > ,1)) > > > ch_img.write("{}.jpg".format(ch) ## > > > Thanks in advance for your help. > > Best, > Jerome > _______________________________________________ > Oiio-dev mailing list > [email protected] > http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org > > > -- > Larry Gritz > [email protected] > > > > > _______________________________________________ > Oiio-dev mailing list > [email protected] > http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org >
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