[R] reading scanned graphs

[Frank E Harrell Jr]

Remko Duursma wrote:
> Check out
> 
> http://www.datathief.org/
> 
> 
> Remko

For Linux I recommend the engauge-digitizer package.
Frank

> 
> -------------------------------------------------
> Remko Duursma
> Post-Doctoral Fellow
> 
> Centre for Plant and Food Science
> University of Western Sydney
> Hawkesbury Campus
> Richmond NSW 2753
> 
> Dept of Biological Science
> Macquarie University
> North Ryde NSW 2109
> Australia
> 
> Mobile: +61 (0)422 096908
> 
> 
> 
> 2009/3/4 Aad Termorshuizen <aad.termorshuizen at blgg.nl>:
>>   I have a graph (a curve with a x- and y-axis) on paper. (The device from
>>   which  I  receive  this  is  not  able  to  output  the data digitally
>>   unfortunately.) Is there a procedure by which I can scan the graph, save it
>>   into, e.g., a bitmap file and make it R to read this file into x and y
>>   coordinates?
>>   Thanks, Aad Termorshuizen
>>     _________________________________________________________________
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-- 
Frank E Harrell Jr   Professor and Chair           School of Medicine
                      Department of Biostatistics   Vanderbilt University