crop to 3:2 after shot - Script Writing - CHDK Forum
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crop to 3:2 after shot

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Offline Wishmaster

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crop to 3:2 after shot
« on: 25 / June / 2009, 06:16:54 »
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Hi there!

I'm looking for a script which will automatically crop my taken images to 3:2
My Ixus 85is is not able to take images directly in 3:2 !
(just in 4:3 and 19:9 -> how stupid is that?!?!)

Is it possible to write a script which...
- can crop the 4:3 images to 3:2 after shooting
- or by starting the script manually and crop all images in the folder
- or makes it possible to directly shoot in 3:2

Thanks!
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Offline fudgey

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Re: crop to 3:2 after shot
« Reply #1 on: 28 / June / 2009, 16:05:51 »
Quote from: Wishmaster on 25 / June / 2009, 06:16:54
Is it possible to write a script which...
- can crop the 4:3 images to 3:2 after shooting
- or makes it possible to directly shoot in 3:2

No. You must crop on your PC, this cannot be done in-camera (except for RAW/DNG files it could, but it would be quite pointless to implement that).

The best thing you can do is use a CHDK grid that makes it easier for you to shoot photos that will be later cropped to 3:2.
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Offline eliavecellio

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search for: lossless crop jpeg
« Reply #2 on: 29 / June / 2009, 05:48:12 »
in your favourite search engine. Lossless jpeg crop means that the image does not get decompressed-and-recompressed (lossily) as would be the case if you used a regular photo editing program. There are both free- and paid-software programs with this function, some have nice interfaces than others.

The advantage of cropping on your PC is that you can choose a slightly different composition to what you had planned with the camera.

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