NAME
pspolar - Plot polarities on the inferior focal half-sphere on maps
SYNOPSIS
pspolar files -Jparameters -Rwest/east/south/north [
-Dlongitude/latitude -Msize -Ssymbol/size [ -Btickinfo ] [
-Clongitude/latitude [/tiret_width/pointsize ] ] [ -Fred/green/blue ] [
-Gfill ] [ -gfill ] [ -H ] [ -h ] [ -K ] [ -L ] [ -N ] [ -O ] [ -P ] [
-sHalf-size[v[[<v_width/h_length/h_width/shape>]][g[<r/g/b>]][l] [
-U[label] ] [ -V ] [ -Wpen ] [ -Xx-shift ] [ -Yy-shift ] [ -ccopies ]
DESCRIPTION
pspolar reads data values from files [or standard input] and generates
PostScript code that will plot stations on focal mechanisms on a map.
The PostScript code is written to standard output.
ARGUMENTS
files List one or more file-names. If no files are given, pspolar will
read standard input.
-J Selects the map projection. Scale is cm/degree, 1:xxxxx. or width
in cm (upper case modifier).
See psbasemap manpages for details.
-R west, east, south, and north specify the Region of interest. To
specify your boundaries in degrees and minutes, use the dd:mm format.
-Dlongitude/latitude Maps the bubble at given longitude and latitude
point.
-Msize Sets the size of the beach ball to plot polarities in.
Size is in inch (unless c, i, m, or p is appended).
-S<symbol type>sizeSelects symbol type and symbol size .
Size is in inch (unless c, i, m, or p is appended).
Choose symbol type between
st(a)r, (c)ircle, (d)iamond, (h)exagon, (i)nvtriangle
(p)oint, (s)quare, (t)riangle, (x)cross
OPTIONS
No space between the option flag and the associated arguments.
-B Sets map boundary tickmark intervals. See psbasemap for details.
-C Offsets focal mechanisms to the latitude and longitude specified in
the last two columns of the input file.
-Efill Selects filling of symbols for stations in extensive quadrants.
Set the shade (0-255) or color (r/g/b) [Default is 250/250/250]. If
Efill is the same as Ffill, use -e to outline.
-e[<pen attributes>] Outline symbols in extensive quadrants.
Default pen attributes is W pen attributes.
-Ffill Sets background color of the beach ball. Default is no fill.
-f[<pen attributes>] Outline the beach ball. Default pen attributes is
W pen attributes.
-Gfill Selects filling of symbols for stations in compressional
quadrants. Set the shade (0-255) or color (r/g/b) [Default is 0/0/0].
-g[<pen attributes>] Outline symbols in compressional quadrants.
Default pen attributes is W pen attributes.
-H[n] Input file(s) has n Header record(s). Number of header records
can be changed by editing your .gmtdefaults file. If used, GMT-SYSTEM
default is 1 header record.
-h
Use special format derived from HYPO71 output
-K Means more PostScript code will be appended later. [Default
terminates the plot system]
-N Does NOT skip symbols that fall outside map border [Default plots
points inside border only].
-O Selects Overlay plot mode. [Default initializes a new plot system]
-P Selects Portrait plotting mode. [Default is Landscape]
-shalf-size/[V[<v_width/h_length/h_width/shape>]][G<r/g/b>][L]
Plots S polarity azimuth.
S polarity is in last column. It may be a vector (V option) or a
segment. Give half-size,v_width,h_length,h_width in inch (unless c, i,
m, or p is appended). [L] option is for outline.
-Tangle/form/justify/fontsize in points
To write station code. Default is 0.0/0/5/12.
-t<pen attributes>
To write station code. Default attributes is W attributes.
-U Draws Unix System time stamp on plot. Append c to plot the command
line or a text string of your choice.
-V Verbose. Reports the name of the current file being plotted, as
well as number of records, and any scaling information.
-W Set current pen attributes
[Defaults: width = 1, color = 0/0/0, texture = solid].
-X -Y Shift origin of plot by (x-shift,y-shift) inches [Default is
(1,1) for new plots, (0,0) for overlays].
-: Toggles between (longitude,latitude) and (latitude,longitude)
input/output. [Default is (longitude,latitude)]
-c Specifies the number of plot copies. [Default is 1]
Parameters are expected to be in the following columns
1,2,3,4
station_code, azimuth, take-off angle, polarity
polarity :
- compression can be c,C,u,U,+
- rarefaction can be d,D,r,R,-
- not defined is anything else
EXAMPLES
pspolar << END -R239/240/34/35.2 -JM8 -N -Sc0.4 -H1 -D239.5/34.5 -M5
>! test.ps
stat azim ih pol
0481 11 147 c
6185 247 120 d
0485 288 114 +
0490 223 112 -
0487 212 109 .
END
or
pspolar << END -R239/240/34/35.2 -JM8 -N -Sc0.4 -H1 -D239.5/34.5 -M5
-h >! test.ps
Date Or. time stat azim ih
910223 1 22 0481 11 147 ipu0
910223 1 22 6185 247 120 ipd0
910223 1 22 0485 288 114 epu0
910223 1 22 0490 223 112 epd0
910223 1 22 0487 212 109 epu0
END
SEE ALSO
gmtsystem, psbasemap, psxy.
REFERENCES
Bomford, G., Geodesy, 4th ed., Oxford University Press, 1980.
Aki, K. and P. Richards, Quantitative Seismolgy, Freeman, 1980.
AUTHORS
Genevieve Patau
Seismology Dept.
Institut de Physique du Globe de Paris
(patau@.ipgp.jussieu.fr)
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