NAME¶
pspolar - Plot polarities on the inferior focal half-sphere on maps
SYNOPSIS¶
pspolar
files -Jparameters
-Rwest/
east/
south/
north[
r]
-D lon/
lat -Msize
-S<symbol><size> [
-B[
p|
s]
parameters ] [
-Clon/
lat[/
dash_width/
pointsize] ] [
-F color ] [
-Gfill ] [
-gfill ] [
-H[
i][
nrec] ] [
-h ] [
-K ] [
-L ] [
-N ] [
-O ] [
-P ] [
-sHalf-size[
v[[
v_width/
h_length/
h_width/
shape]][
g[
color]][
l]
[
-Tangle/
form/
justify/
fontsize ] [
-t pen ] [
-U[
just/
dx/
dy/][
c|
label] ] [
-V ] [
-Wpen ] [
-X[
a|
c|
r][
x-shift[
u]] ] [
-Y[
a|
c|
r][
y-shift[
u]] ] [
-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.
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
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 UNIT/degree, 1:xxxxx,
or width in UNIT (upper case modifier). UNIT is cm, inch, or m, depending
on the MEASURE_UNIT setting in .gmtdefaults4, but this can be
overridden on the command line by appending c, i, or
m to the scale/width value. When central meridian is optional,
default is center of longitude range on -R option. Default standard
parallel is the equator. For map height, max dimension, or min dimension,
append h, +, or - to the width, respectively.
More details can be found in the psbasemap man pages.
CYLINDRICAL PROJECTIONS:
-Jclon0/lat0/scale (Cassini)
-Jcyl_stere/[lon0/[lat0/]]scale (Cylindrical
Stereographic)
-Jj[lon0/]scale (Miller)
-Jm[lon0/[lat0/]]scale (Mercator)
-Jmlon0/lat0/scale (Mercator - Give meridian and standard
parallel)
-Jo[a]lon0/lat0/azimuth/scale (Oblique Mercator -
point and azimuth)
-Jo[b]lon0/lat0/lon1/lat1/scale (Oblique Mercator -
two points)
-Joclon0/lat0/lonp/latp/scale (Oblique Mercator - point and
pole)
-Jq[lon0/[lat0/]]scale (Cylindrical
Equidistant)
-Jtlon0/[lat0/]scale (TM - Transverse Mercator)
-Juzone/scale (UTM - Universal Transverse Mercator)
-Jy[lon0/[lat0/]]scale (Cylindrical Equal-Area)
CONIC PROJECTIONS:
-Jblon0/lat0/lat1/lat2/scale (Albers)
-Jdlon0/lat0/lat1/lat2/scale (Conic Equidistant)
-Jllon0/lat0/lat1/lat2/scale (Lambert Conic Conformal)
-Jpoly/[lon0/[lat0/]]scale ((American)
Polyconic)
AZIMUTHAL PROJECTIONS:
-Jalon0/lat0[/horizon]/scale (Lambert Azimuthal
Equal-Area)
-Jelon0/lat0[/horizon]/scale (Azimuthal
Equidistant)
-Jflon0/lat0[/horizon]/scale (Gnomonic)
-Jglon0/lat0[/horizon]/scale (Orthographic)
-Jglon0/lat0/altitude/azimuth/tilt/twist/Width/Height/scale
(General Perspective).
-Jslon0/lat0[/horizon]/scale (General
Stereographic)
MISCELLANEOUS PROJECTIONS:
-Jh[lon0/]scale (Hammer)
-Ji[lon0/]scale (Sinusoidal)
-Jkf[lon0/]scale (Eckert IV)
-Jk[s][lon0/]scale (Eckert VI)
-Jn[lon0/]scale (Robinson)
-Jr[lon0/]scale (Winkel Tripel)
-Jv[lon0/]scale (Van der Grinten)
-Jw[lon0/]scale (Mollweide)
NON-GEOGRAPHICAL PROJECTIONS:
-Jp[a]scale[/origin][r|z] (Polar
coordinates (theta,r))
-Jxx-scale[d|l|ppow|t|T][
/y-scale[d|l|ppow|t|T]]
(Linear, log, and power scaling)
- -R
- west, east, south, and north specify the
Region of interest, and you may specify them in decimal degrees or in
[+-]dd:mm[:ss.xxx][W|E|S|N] format. Append r if lower left and
upper right map coordinates are given instead of w/e/s/n. The two
shorthands -Rg and -Rd stand for global domain (0/360 and
-180/+180 in longitude respectively, with -90/+90 in latitude).
Alternatively, specify the name of an existing grid file and the -R
settings (and grid spacing, if applicable) are copied from the grid.
- -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><size>
- Selects symbol_type and symbol size. Size is
in inch (unless c, i, m, or p is appended).
Choose symbol type from st( a)r, (c)ircle, (d)iamond,
( h)exagon, ( i)nverted triangle, (p)oint,
(s)quare, ( t)riangle, ( x)cross.
OPTIONS¶
No space between the option flag and the associated arguments.
- -B
- Sets map boundary annotation and tickmark intervals; see
the psbasemap man page for all the 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]
- Outline symbols in extensive quadrants using pen or
the default pen (see -W).
- -Ffill
- Sets background color of the beach ball. Default is no
fill.
- -f[pen]
- Outline the beach ball using pen or the default pen
(see -W).
- -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]
- Outline symbols in compressional quadrants using pen
or the default pen (see -W).
- -H
- Input file(s) has header record(s). If used, the default
number of header records is N_HEADER_RECS. Use -Hi if only
input data should have header records [Default will write out header
records if the input data have them]. Blank lines and lines starting with
# are always skipped.
- -h
- Use special format derived from HYPO71 output
- -K
- 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, see
gmtdefaults to change this].
- -shalf-size/[V[v_width/h_length/h_width/shape]][Gr/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].
- -tpen
- Set pen color to write station code. Default uses the
default pen (see -W).
- -U
- Draw Unix System time stamp on plot. By adding
just/dx/dy/, the user may specify the justification of the stamp
and where the stamp should fall on the page relative to lower left corner
of the plot. For example, BL/0/0 will align the lower left corner of the
time stamp with the lower left corner of the plot. Optionally, append a
label, or c (which will plot the command string.). The
GMT parameters UNIX_TIME, UNIX_TIME_POS, and
UNIX_TIME_FORMAT can affect the appearance; see the
gmtdefaults man page for details. The time string will be in the
locale set by the environment variable TZ (generally local
time).
- -V
- Selects verbose mode, which will send progress reports to
stderr [Default runs "silently"].
- -W
- Set current pen attributes
[Defaults: width = 1, color = 0/0/0, texture = solid].
- -X -Y
- Shift plot origin relative to the current origin by
(x-shift,y-shift) and optionally append the length unit ( c,
i, m, p). You can prepend a to shift the
origin back to the original position after plotting, or prepend r
[Default] to reset the current origin to the new location. If -O is
used then the default ( x-shift,y-shift) is (0,0), otherwise it is
(r1i, r1i) or (r2.5c, r2.5c). Alternatively, give c to align the
center coordinate (x or y) of the plot with the center of the page based
on current page size.
- -:
- Toggles between (longitude,latitude) and
(latitude,longitude) input and/or output. [Default is
(longitude,latitude)]. Append i to select input only or o to
select output only. [Default affects both].
- -c
- Specifies the number of plot copies. [Default is 1].
EXAMPLES¶
pspolar -R239/240/34/35.2
-JM8
-N -Sc0.4
-H1
-D239.5/34.5
-M5 <<END>! 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 -R239/240/34/35.2
-JM8
-N -Sc0.4
-H1
-D239.5/34.5
-M5
-h <<END>! 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¶
GMT(1),
psbasemap(1),
psxy(1)
REFERENCES¶
Bomford, G., Geodesy, 4th ed., Oxford University Press, 1980.
Aki, K. and P. Richards, Quantitative Seismology, Freeman, 1980.
AUTHORS¶
Genevieve Patau
Seismology Dept.
Institut de Physique du Globe de Paris
(patau@ipgp.jussieu.fr)