Anomorphic effect

I have a couple of nice shots I took at the Grand Canyon last week -
I'm looking to crop these to 6x4" for photo printing only. There's
some nice edge detail I'd like not to lose.
Is it possible to somehow crop the image to a wider width (ie 8x4") and
squeeze the edges somehow, whilst at the same time retaining the
correct aspect in the centre 50% portion of the picture? Like creating
an anamorphic squeeze as used on 16:9 widescreen movies?
Any help appreciated.
Thanks
P

Bixx

Re: Anomorphic effect

I just did something similar to that by telling Hugin to distort an
equirectangular image as if it were a fisheye. Hugin being off-topic on
a Photoshop newsgroup. :-)


Usenet@mile23.c0m (Paul Mitchum)

Re: Anomorphic effect

...
Doing what you suggest, you will end up with distorted Image.
What photographers have been doing for years, even before Digital, is making
the print on a larger piece of paper, and then cutting the paper to the
image size, or to the part of the image they want to keep.
It is generally known as Letterbox shape.
Roy G


Roy G

Re: Anomorphic effect

for that first technique make sure to use feather on the selection for a
more gradual transition between the normal and stretched parts.........
I have used this to make a model's leg longer and not distort the top part
of her body.


KatWoman

Re: Anomorphic effect

...
If I understand you right ...
Enlarge the canvas to 8" wide, keeping your image in the middle ('Crop' is
the wrong term). There is now a blank space either side.
Using the marquee tool select the left hand side of your image, but
excluding the centre portion that you want to keep.
Use Edit/Transform/Scale to 'stretch' the selection to fill the white gap.
Do the same for the right hand side.
If you don't like the result then a more scientific way would be to apply a
Displacement Map but that would take too long to describe here. It would
have the advantage of remaining editable, unlike the method I described.
John


John Rampling

Re: Anomorphic effect

First of all, what you describe isn't cropping, it's resizing or
scaling. Second, there is no way you can resize an image in only one
direction, losing nothing, without changing the aspect ratio.
If you were willing to lose image area from the top and bottom edges,
you could scale the entire image to 8" wide and then crop down to 4"
tall.
--
Aaron
"Mankind are greater gainers by suffering each other to live as seems
good to themselves, than by compelling each to live as seems good to the
rest." -- John Stuart Mill


Aaron

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