Yes, this is exactly what I needed...
I kept thinking the answer was an option/modifier on a command, not
chaining multiple commands.
And thanks for the explanation Larry!
On Mon, Sep 13, 2021 at 11:52 AM Larry Gritz <l...@larrygritz.com> wrote:
> Oh, and here's a version that uses expression substitution, so it will
> work regardless of the original resolution:
>
> oiiotool in.exr --crop "{TOP.width+20}x{TOP.height+20}-10-10" --origin
> +0+0 --fullpixels -o out.exr
>
>
> On Sep 13, 2021, at 11:49 AM, Larry Gritz <l...@larrygritz.com> wrote:
>
> Let's say you have a 1920x1080 image and want 10 pixels of padding all
> around. Assuming you want to offset the current image,
>
> oiiotool in.exr --crop 1940x1100-10-10 --origin +0+0 --fullpixels -o
> out.exr
>
> So this means:
> * Read in.exr
> * --crop : Adjust the data window to be 1940x1100 with its origin at
> -10,-10 -- note that when "crop" specifies a bigger window than before, it
> pads with black.
> * --origin : The existing pixels stayed where they were and we have
> "overscan" now, so assuming we want the new origin to be at 0,0, we set
> that explicitly.
> * --fullpixels : make sure the "display window" is set to match the data
> window.
> * output the new image
>
> Now, if you want the existing image pixels in the data window to remain
> where they are, but you want to add black padding around it (and are ok
> with "overscan"), then just leave out the --origin part.
>
>
>
> On Sep 13, 2021, at 11:19 AM, Larry Gritz <l...@larrygritz.com> wrote:
>
> Do you want to just grow the pixel/data window with black padding around
> the image, possibly ending up with "overscan" data? Or do you want to
> *offset* and then pad, so the corner of the new padded image is still at
> (0,0)?
>
>
> On Sep 13, 2021, at 11:03 AM, Steven Caron <car...@gmail.com> wrote:
>
> Hi
>
> Maybe I am being dense but I can't seem to figure out how to use oiiotool
> to pad an image with x number of pixels on the bottom of the image. Or
> padding it x number of pixels in any direction or all directions for that
> matter. I have tried, fit and crop but I am not able to figure it out. Any
> pointers?
>
> Thanks,
> Steven
>
>
>
>
> --
> Larry Gritz
> l...@larrygritz.com
>
>
>
>
>
> --
> Larry Gritz
> l...@larrygritz.com
>
>
>
>
> _______________________________________________
> Oiio-dev mailing list
> Oiio-dev@lists.openimageio.org
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>
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