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.TH "GMTLOGO" "1gmt" "Sep 07, 2019" "6.0.0rc4" "GMT"
.SH NAME
gmtlogo \- Plot the GMT logo on maps
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.SH SYNOPSIS
.sp
\fBgmtlogo\fP [  \fB\-D\fP[\fBg\fP|\fBj\fP|\fBJ\fP|\fBn\fP|\fBx\fP]\fIrefpoint\fP\fB+w\fP\fIwidth\fP[\fB+j\fP\fIjustify\fP][\fB+o\fP\fIdx\fP[/\fIdy\fP]] ]
[  \fB\-F\fP[\fB+c\fP\fIclearances\fP][\fB+g\fP\fIfill\fP][\fB+i\fP[[\fIgap\fP/]\fIpen\fP]][\fB+p\fP[\fIpen\fP]][\fB+r\fP[\fIradius\fP]][\fB+s\fP[[\fIdx\fP/\fIdy\fP/][\fIshade\fP]]] ]
[  \fB\-J\fP\fIparameters\fP ]
[  \fB\-K\fP ]
[  \fB\-O\fP ] [  \fB\-P\fP ]
[  \fB\-R\fP\fIwest\fP/\fIeast\fP/\fIsouth\fP/\fInorth\fP[/\fIzmin\fP/\fIzmax\fP][\fB+r\fP] ]
[  \fB\-S\fP[\fBl\fP|\fBn\fP|\fBu\fP] ]
[  \fB\-U\fP[\fIstamp\fP] ]
[  \fB\-V\fP[\fIlevel\fP] ]
[  \fB\-X\fP[\fBa\fP|\fBc\fP|\fBf\fP|\fBr\fP][\fIxshift\fP[\fBu\fP]] ]
[  \fB\-Y\fP[\fBa\fP|\fBc\fP|\fBf\fP|\fBr\fP][\fIyshift\fP[\fBu\fP]] ]
[ \fB\-t\fPtransp ]
[ \fB\-\-PAR\fP=\fIvalue\fP ]
.sp
\fBNote:\fP No space is allowed between the option flag and the associated arguments.
.SH DESCRIPTION
.sp
This module plots the GMT logo on a map. By default, the GMT logo is 2 inches wide and 1 inch high and will be
positioned relative to the current plot origin. Use various options to change this and to place a
transparent or opaque rectangular map panel behind the GMT logo.
.SH REQUIRED ARGUMENTS
.sp
None.
.SH OPTIONAL ARGUMENTS
.INDENT 0.0
.TP
\fB\-D\fP[\fBg\fP|\fBj\fP|\fBJ\fP|\fBn\fP|\fBx\fP]\fIrefpoint\fP\fB+w\fP\fIwidth\fP[\fB+j\fP\fIjustify\fP][\fB+o\fP\fIdx\fP[/\fIdy\fP]]
Sets reference point on the map for the image using one of four coordinate systems:
(1) Use \fB\-Dg\fP for map (user) coordinates, (2) use \fB\-Dj\fP or \fB\-DJ\fP for setting \fIrefpoint\fP via
a 2\-char justification code that refers to the (invisible) map domain rectangle,
(3) use \fB\-Dn\fP for normalized (0\-1) coordinates, or (4) use \fB\-Dx\fP for plot coordinates
(inches, cm, etc.).  All but \fB\-Dx\fP requires both \fB\-R\fP and \fB\-J\fP to be specified.
Use \fB+w\fP\fIwidth\fP to set the width of the GMT logo in plot coordinates
(inches, cm, etc.).
By default, the anchor point on the scale is assumed to be the bottom left corner (BL), but this
can be changed by appending \fB+j\fP followed by a 2\-char justification code \fIjustify\fP (see text).
Note: If \fB\-Dj\fP is used then \fIjustify\fP defaults to the same as \fIrefpoint\fP,
if \fB\-DJ\fP is used then \fIjustify\fP defaults to the mirror opposite of \fIrefpoint\fP\&.
Add \fB+o\fP to offset the color scale by \fIdx\fP/\fIdy\fP away from the \fIrefpoint\fP point in
the direction implied by \fIjustify\fP (or the direction implied by \fB\-Dj\fP or \fB\-DJ\fP).
.UNINDENT
.INDENT 0.0
.TP
\fB\-F\fP[\fB+c\fP\fIclearances\fP][\fB+g\fP\fIfill\fP][\fB+i\fP[[\fIgap\fP/]\fIpen\fP]][\fB+p\fP[\fIpen\fP]][\fB+r\fP[\fIradius\fP]][\fB+s\fP[[\fIdx\fP/\fIdy\fP/][\fIshade\fP]]]
Without further options, draws a rectangular border around the GMT logo using
\fBMAP_FRAME_PEN\fP; specify a different pen with \fB+p\fP\fIpen\fP\&.
Add \fB+g\fP\fIfill\fP to fill the GMT logo box [no fill].
Append \fB+c\fP\fIclearance\fP where \fIclearance\fP is either \fIgap\fP, \fIxgap\fP/\fIygap\fP,
or \fIlgap\fP/\fIrgap\fP/\fIbgap\fP/\fItgap\fP where these items are uniform, separate in
x\- and y\-direction, or individual side spacings between GMT logo and border.
Append \fB+i\fP to draw a secondary, inner border as well. We use a uniform
\fIgap\fP between borders of 2\fBp\fP and the \fBMAP_DEFAULTS_PEN\fP
unless other values are specified. Append \fB+r\fP to draw rounded
rectangular borders instead, with a 6\fBp\fP corner radius. You can
override this radius by appending another value. Finally, append
\fB+s\fP to draw an offset background shaded region. Here, \fIdx\fP/\fIdy\fP
indicates the shift relative to the foreground frame
[4\fBp\fP/\-4\fBp\fP] and \fIshade\fP sets the fill style to use for shading [gray50].
.UNINDENT
.INDENT 0.0
.TP
\fB\-R\fP\fIxmin\fP/\fIxmax\fP/\fIymin\fP/\fIymax\fP[\fB+r\fP][\fB+u\fP\fIunit\fP] (more ...)
Specify the region of interest.  
.UNINDENT
.INDENT 0.0
.TP
\fB\-S\fP[\fBl\fP|\fBn\fP|\fBu\fP]
Control what is written beneath the map portion of the logo.
Append \fBl\fP (or skip \fB\-S\fP entirely) to plot the text label "The Generic Mapping Tools"
beneath the logo.  Append \fBn\fP to skip the label placement, and append
\fBu\fP to place the URL to the GMT site instead [plot the label].
.UNINDENT
.sp
For perspective view \fBp\fP, optionally append /\fIzmin\fP/\fIzmax\fP\&. (more ...)  
.INDENT 0.0
.TP
\fB\-U\fP[\fIlabel\fP][\fB+c\fP][\fB+j\fP\fIjust\fP][\fB+o\fP\fIdx\fP/\fIdy\fP] (more ...)
Draw GMT time stamp logo on plot.
.UNINDENT
.INDENT 0.0
.TP
\fB\-V\fP[\fIlevel\fP] (more ...)
Select verbosity level [c].  
.UNINDENT
.sp
\fB\-X\fP[\fBa\fP|\fBc\fP|\fBf\fP|\fBr\fP][\fIxshift\fP[\fBu\fP]]
.INDENT 0.0
.TP
\fB\-Y\fP[\fBa\fP|\fBc\fP|\fBf\fP|\fBr\fP][\fIyshift\fP[\fBu\fP]] (more ...)
Shift plot origin.
.UNINDENT
.INDENT 0.0
.TP
\fB\-t\fP[\fItransp\fP] (more ...)
Set transparency level in percent.
.UNINDENT
.INDENT 0.0
.TP
\fB\-^\fP or just \fB\-\fP
Print a short message about the syntax of the command, then exits (NOTE: on Windows just use \fB\-\fP).
.TP
\fB\-+\fP or just \fB+\fP
Print an extensive usage (help) message, including the explanation of
any module\-specific option (but not the GMT common options), then exits.
.TP
\fB\-?\fP or no arguments
Print a complete usage (help) message, including the explanation of all options, then exits.
.TP
\fB\-\-PAR\fP=\fIvalue\fP
Temporarily override a GMT default setting; repeatable. See /gmt.conf for parameters.
.UNINDENT
.SH CLASSIC MODE ARGUMENTS
.sp
These options are used to manipulate the building of layered GMT PostScript plots in classic mode.
They are not available when using GMT modern mode.
.INDENT 0.0
.TP
\fB\-K\fP (more ...)
Do not finalize the PostScript plot.
.UNINDENT
.INDENT 0.0
.TP
\fB\-O\fP (more ...)
Append to existing PostScript plot.
.UNINDENT
.INDENT 0.0
.TP
\fB\-P\fP (more ...)
Select "Portrait" plot orientation.
.UNINDENT
.SH EXAMPLES
.sp
To plot the GMT logo of a 2 inch width as a stand\-alone plot, use
.INDENT 0.0
.INDENT 3.5
.INDENT 0.0
.INDENT 3.5
.sp
.nf
.ft C
gmt logo \-P \-Dx0/0+w2i > logo.ps
.ft P
.fi
.UNINDENT
.UNINDENT
.UNINDENT
.UNINDENT
.sp
To append a GMT logo overlay in the upper right corner of the current map, but
scaled up to be 3 inches wide and offset by 0.1 inches from the border, try
.INDENT 0.0
.INDENT 3.5
.INDENT 0.0
.INDENT 3.5
.sp
.nf
.ft C
gmt logo \-O \-K \-R \-J \-DjTR+o0.1i/0.1i+w3i >> bigmap.ps
.ft P
.fi
.UNINDENT
.UNINDENT
.UNINDENT
.UNINDENT
.SH NOTES
.sp
To instead plot the GMT QR code that links to www.generic\-mapping\-tools.org, just plot the
custom symbols \fBQR\fP or \fBQR_transparent\fP in psxy\&.
.SH SEE ALSO
.sp
gmt, pslegend,
psimage, psscale, psxy
.SH COPYRIGHT
2019, The GMT Team
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