g3data - Online in the Cloud

This is the command g3data that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

PROGRAM:

NAME


g3data — A tool for extracting data from graphs.

SYNOPSIS


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

DESCRIPTION


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.

OPTIONS


-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.

USAGE


g3data -scale 2 -errors test1.png

g3data -scale 2 -lny -errors test2.png

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