thanks Larry IM askinbg about the oiiotool command line tool I did find a pdf document here ... there is probably a more official location https://people.cs.clemson.edu/~dhouse/courses/404/papers/openimageio.pdf
here are a couple of examples in that document oiiotool fg.exr bg.exr --over -o composite.exr oiiotool fg.exr --origin +512+89 bg.exr --over -o composite.exr exactly what I was looking for On Wed, Sep 26, 2018 at 2:10 PM Larry Gritz <[email protected]> wrote: > Are you asking about the C++ API, Python, or oiiotool command line? > > Have you read the PDF documentation? > > It's the "CG" kind of over, all oiio stuff assumes premult (and converts > to premult automatically upon reading files, unless you take some special > steps to prevent that). > > Paste is a copy from one image to another (offset). > > > On Sep 26, 2018, at 9:03 AM, Will Anielewicz <[email protected]> > wrote: > > Could someone give me example syntax for compositing a fg over a bg image. > The usage doesnt describe it other than stating that its possible. > Please assume I know nothing. > Oh and does it do a CG type(assumed premult) over or a photoshop type over? > On a similar note what does paste mean? > > thanks > > > -- > Larry Gritz > [email protected] > > > > > _______________________________________________ > Oiio-dev mailing list > [email protected] > http://lists.openimageio.org/listinfo.cgi/oiio-dev-openimageio.org >
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