| Re: digitize a curve from an image [message #21363 is a reply to message #21178] |
Fri, 18 August 2000 00:00   |
John D. Sample
Messages: 11
Registered: August 1999
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Junior Member |
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Yes and there is another called "Digigraf" (freeware) by W.S. Tortike in
Alberta. It works by clicking on the origin then clicking the ends of the x
and y axes, entering the scale, and then clicking on points of the graph.
Again, its a Mac application...I don't know if a PC version exists.
Chip
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In article <399D552E.F1297818@indra.com>, Med Bennett <mbennett@indra.com>
wrote:
> Here is a link to the program I was thinking of - ominously named
> "Datathief".
>
> http://www.nikhef.nl/user/keeshu/datathief/
>
> Kristian Kj�r wrote:
>>
>> I have a gif file (B/W only, no greys or colours) showing a line graph.
>> Now I would like to get hold of the x,y arrays represented by the curve.
>> Has anyone written something to do that already?
>> The coordinate axes are a little skewed in the image (originally
>> scanned).
>>
>> Thanks for any help, Kristian
>> --------------------------
>> Kristian Kj�r, Physics Dept., Ris� Natl. Laboratory, Denmark
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