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Square format possible?

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Square format possible?
« on: 16 / July / 2011, 06:25:04 »
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Is it possible using CHDK to set a camera to take a photograph in a square format or 1:1 ratio?
I'm using a Canon G7.

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Offline fudgey

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Re: Square format possible?
« Reply #1 on: 16 / July / 2011, 09:14:36 »
No. But lossless JPEG cropping is possible on any PC.

In theory you could write RAW/DNG this way by modifying CHDK C source code, but that doesn't make much sense either as the only(?) reason to do this in-cam (direct printing) couldn't be used.

Re: Square format possible?
« Reply #2 on: 16 / July / 2011, 10:41:21 »
I guess what I wanted was to be able to frame an image as a square on the viewfinder (without using a piece of tape as a mask) and also end up with a square image.
I know some digital cameras have an aspect ratio 1:1 - square format mode, eg, Ricoh GrIII.

Re: Square format possible?
« Reply #3 on: 16 / July / 2011, 11:08:49 »
I guess what I wanted was to be able to frame an image as a square on the viewfinder

No problem, use a mask, see second one down here : http://stereo.jpn.org/eng/sdm/grids.htm

CHDK also has masks.


Re: Square format possible?
« Reply #4 on: 16 / July / 2011, 18:28:24 »

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Offline philmoz

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Re: Square format possible?
« Reply #5 on: 16 / July / 2011, 18:37:47 »
CHDK ports:
  sx30is (1.00c, 1.00h, 1.00l, 1.00n & 1.00p)
  g12 (1.00c, 1.00e, 1.00f & 1.00g)
  sx130is (1.01d & 1.01f)
  ixus310hs (1.00a & 1.01a)
  sx40hs (1.00d, 1.00g & 1.00i)
  g1x (1.00e, 1.00f & 1.00g)
  g5x (1.00c, 1.01a, 1.01b)

Re: Square format possible?
« Reply #6 on: 18 / July / 2011, 17:48:04 »
G12 it is then!  Ta!

 

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