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g3data: A tool for extracting data from graphs.

g3data - A tool for extracting data from graphs.


g3data [-max x y] [-scale factor] [-coords llx lly rux ruy] [-errors] [-lnx] [-lny] [filename(s) ...]


2001-01-01; g3data is a tool for extracting data from scanned graphs. For graphs published in scientific articles the actual data is usually not explicitly given ; g3data makes the process of extracting this data easy.


-max x y If picture is larger x-wise than x or y-wise than y, the picture is scaled down accordingly otherwise this parameter has no effect. -scale factor Scales the picture size by factor. This parameter nullifies effect of the -max parameter. -coords llx lly rux ruy Preset the coordinates of the left lower (ll) corner and the right upper (ru) corner. -errors Print out the error of the x value in column 3 and the error of y value in column 4 of the output. -lnx Use logarithmic scale for x coordinates. -lny Use logarithmic scale for y coordinates. filename(s) ... The filename(s) of the image(s) to open. Supported image formats: PNG, XPM, JPEG, TIFF, PNM, RAS, BMP and GIF.


g3data -scale 2 -errors test1.png g3data -scale 2 -lny -errors test2.png
None known.
Jonas Frantz jonas.frantz@welho.com g3data (1) G3DATA(1)

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