Episode 107: Orton’s Sandwich

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Orton EffectA bit late, but finally here!

You find more about the Orton Effect in Wikipedia and a lot of other places.The one I show in the video is from Nature Photographer. Michael Orton’s homepage is not working at the moment, but you can fnd a review of his book. I haven’t found it in our library system yet – has one of you read it?

PCIN.net has a detailed description of the analog workflow. After reading that I would change my approach a bit. Stay tuned.

Even Wolfram Mathematica has Orton, I never thought of that program as a graphics software. But if you think about it – it has everything it needs built in.


00:20 The show is late
01:40 The Orton effect
03:20 Michael Orton and his book
04:40 Cropping the image
06:00 Making bright an blurred layers
07:00 Blurring
08:40 Multiply mode set
09:20 Compare the result
09:25 Playing with the opacity sliders
10:15 Points for variation
11:35 Recap with a different image
15:00 Script?
15:30 Wolfram Mathematica Orton Effect Plugin

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Meet the GIMP Video Podcast by Rolf Steinort and Philippe Demartin is licensed under a Creative Commons Attribution-Share Alike 3.0 Germany License.
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4 thoughts on “Episode 107: Orton’s Sandwich

  1. Hi Rolf,

    When the Orton effect was first mentioned in the forum I did some similar experiments. But after a while I was wondering what I was doing. It was not so much different from other technics with no name but used every day when working with gimp or other programs. The main point of the Orton effect seems to be that Mr. Orton invented the layers long before they were a standard feature of every software for photo manipulation.

    There are always a lot of different ways to get to similar results. When you mentioned Mathematica I got the idea may be someone could come up with a algorithm which could help to simplify the stack of operations we apply to a picture. This could be done by evaluating algebraically the result of the operations and decompose the result back to available operations. This could reduce errors from excessive rounding.

  2. You are right, the Orton Effect is nothing really special. Not much is really special, especially not recipes. ;-)

    The algebraic analysis of operations is a good idea. One should think about it when writing a script or a tutorial for a new method. 16 Bit will reduce the influence of rounding errors – and GEGL will make it possible to recalculate a stack of operations. We have to wait.

  3. Hi!

    Even not being that much special, it is interesting; it is something of a starting point to experimentation.
    All in all, I think that doing of this Orton stuff can be used for some pictures. Often you find that you have shot just regular pictures; but it could turn out that playing a bit with them you can make them outstanding.

    Nice show!

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Anything to add from your side of the computer?