Re: Auto Rotation

On Wed, 16 Feb 2011 13:29:35 -0800
[email protected] wrote:
| Hello All,
| 
| I've written many manipulation algorithms for our software using IM for
| things like scaling, enhancing, binarizing, and rotation, all based on
| pre-set thresholds.  Works great, thanks for all the work in IM!
| 
| But, now I'm at a point where I need to rotate a binarized image to be
| square, without having any kind of pre-set thresholds.
| 
| Is there anything like this, an auto-rotation mechanism within IM???
| 
| If not, can anybody point me in the direction of C++ code that might come
| close to what I need to do?
| 



Do you mean something like a 'deskew'?  That is 'straighten crooked rectangles'

There is an option of -deskew  and Fred Weinhaus has a script that also
provides other deskew methods in "unrotate" script
   http://www.fmwconcepts.com/imagemagick/unrotate/




  Anthony Thyssen ( System Programmer )    <[email protected]>
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  "If we knew what we were doing, it wouldn't be called research,
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