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Author Re: getting data coordinates from scanned figures
Jiro Doke

2006-09-23, 4:07 am

alvin.barlian wrote:
>
>
> Hello,
> I have not used Matlab for anything else other than numerical
> method
> computations. I'm a beginner using its GUI toolbox and I'm hoping
> to
> get some hints to get started.
>
> I am looking for a routine to digitze graphs from paper hardcopies.
> Does anybody know about a routine where I can, say, scan the paper
> copy
> first, and then simply use the mouse to click on a representative
> number of points on the graph, and have the coordinates of these
> points
> saved to a file or displayed. This would then enable easy
> reproduction
> of the graph originating from a paper copy. GETPTS or GINPUT does
> give
> out the coordinates of points, but it does so with respect to the
> default axis.
>
> Thank you much, I appreciate your input/help,
>
>


I have once created a tool for digitizing images:

<http://www.mathworks.com/matlabcent...objectType=file>

There may also be other files in the File Exchange.
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