.TH "		\fBg3data\fP 	" "1" 
.SH "NAME" 
\fBg3data\fP 	 \(em 	A tool for extracting data from graphs. 
 
.SH "SYNOPSIS" 
.PP 
\fBg3data\fR [\fB-max\fI x y\fR\fP]  [\fB-scale\fI factor\fR\fP]  [\fB-coords\fI llx lly rux ruy\fR\fP]  [\fB-errors\fP]  [\fB-lnx\fP]  [\fB-lny\fP]  [\fB\fIfilename(s) ...\fR\fP]  
.SH "DESCRIPTION" 
2001-01-01;  
.PP 
\fBg3data\fR 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. 
 
.SH "OPTIONS" 
.IP "\fB-max \fIx y\fR\fP         " 10 
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. 
.IP "\fB-scale \fIfactor\fR\fP         " 10 
Scales the picture size by factor. This parameter nullifies 
effect of the \-max parameter. 
.IP "\fB-coords \fIllx lly rux ruy\fR\fP         " 10 
Preset the coordinates of the left lower (ll) corner 
and the right upper (ru) corner. 
.IP "\fB-errors\fP         " 10 
Print out the error of the x value in column 3 and the 
error of y value in column 4 of the output.  
.IP "\fB-lnx\fP         " 10 
Use logarithmic scale for x coordinates. 
.IP "\fB-lny\fP         " 10 
Use logarithmic scale for y coordinates. 
.IP "\fB\fIfilename(s) ...\fR\fP" 10 
The filename(s) of the image(s) to open. 
Supported image formats: PNG, XPM, JPEG, TIFF, PNM, RAS, BMP and 
GIF. 
.SH "USAGE" 
.PP 
\fBg3data\fR \-scale 2 \-errors test1.png 
 
.PP 
\fBg3data\fR \-scale 2 \-lny \-errors test2.png 
 
.SH "BUGS" 
.PP 
None known. 
 
.SH "AUTHOR" 
.PP 
Jonas  Frantz  jonas.frantz@welho.com 	 
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