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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 19:43:11 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 19:43:11 +0000
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Adding upstream version 4.22.0.upstream/4.22.0
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+\
+.\" This man page was generated by the Netpbm tool 'makeman' from HTML source.
+.\" Do not hand-hack it! If you have bug fixes or improvements, please find
+.\" the corresponding HTML page on the Netpbm website, generate a patch
+.\" against that, and send it to the Netpbm maintainer.
+.TH "Spottopgm User Manual" 0 "22 July 2004" "netpbm documentation"
+
+.SH NAME
+
+spottopgm - convert SPOT satellite images to a PGM image
+
+.UN synopsis
+.SH SYNOPSIS
+
+\fBspottopgm\fP
+[\fB-1\fP|\fB-2\fP|\fB-3\fP]
+[\fIFirstcol\fP \fIFirstline\fP \fILastcol\fP \fILastline\fP]
+\fIinputfile\fP
+
+.UN description
+.SH DESCRIPTION
+.PP
+This program is part of
+.BR "Netpbm" (1)\c
+\&.
+
+\fBspottopgm\fP converts the named \fBinputfile\fP to PGM format,
+defaulting to the first color and the whole SPOT image unless
+you specify otherwise with the options.
+
+.UN options
+.SH OPTIONS
+.PP
+In addition to the options common to all programs based on libnetpbm
+(most notably \fB-quiet\fP, see
+.UR index.html#commonoptions
+ Common Options
+.UE
+\&), \fBspottopgm\fP recognizes the following
+command line options:
+
+
+.TP
+\fB-1\fP
+.TP
+\fB-2\fP
+.TP
+\fB-3\fP
+Extract the given color from the SPOT image. The colors are
+infrared, visible light, and ultraviolet, although I don't know which
+corresponds to which number. If the image is in color,
+\fBspottopgm\fP announces this on Standard Error. The default color
+is 1.
+
+
+
+.UN parameters
+.SH PARAMETERS
+
+
+.TP
+\fIFirstcol Firstline Lastcol Lastline\fP
+Extract the specified rectangle from the SPOT image. Most SPOT
+images are 3000 lines long and 3000 or more columns
+wide. Unfortunately, the SPOT format only gives the width and not the
+length. The width is printed on standard error. The default
+rectangle is the width of the input image by 3000 lines.
+
+
+
+.UN limitations
+.SH LIMITATIONS
+.PP
+\fBspottopgm\fP doesn't determine the length of the input file;
+this would involve two passes over the input file. It defaults to
+3000 lines instead.
+.PP
+\fBspottopgm\fP could extract a three-color image (as a PPM), but
+I didn't feel like making the program more complicated than it is now.
+Besides, there is no one-to-one correspondence between red, green,
+blue and infrared, visible and ultraviolet.
+.PP
+I've had only a limited number of SPOT images to play with, and
+therefore wouldn't guarantee that this will work on any other images.
+
+.UN author
+.SH AUTHOR
+
+Warren Toomey \fIwkt@csadfa.cs.adfa.oz.au\fP
+
+.UN seealso
+.SH SEE ALSO
+.PP
+.BR "pgm" (1)\c
+\&
+.SH DOCUMENT SOURCE
+This manual page was generated by the Netpbm tool 'makeman' from HTML
+source. The master documentation is at
+.IP
+.B http://netpbm.sourceforge.net/doc/spottopgm.html
+.PP \ No newline at end of file