1PSPOLAR(1)                   Generic Mapping Tools                  PSPOLAR(1)
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NAME

6       pspolar - Plot polarities on the inferior focal half-sphere on maps
7

SYNOPSIS

9       pspolar  files -Jparameters -Rwest/east/south/north[r] -Dlon/lat -Msize
10       -S<symbol><size> [ -B[p|s]parameters ]  [  -Clon/lat[/dash_width/point‐
11       size] ] [ -Fcolor ] [ -Gfill ] [ -gfill ] [ -H[i][nrec] ] [ -h ] [ -K ]
12       [   -L   ]   [   -N   ]    [    -O    ]    [    -P    ]    [    -sHalf-
13       size[v[[v_width/h_length/h_width/shape]][g[color]][l]      [      -Tan‐
14       gle/form/justify/fontsize ] [ -tpen ] [ -U[just/dx/dy/][c|label] ] [ -V
15       ]  [  -Wpen  ]  [  -X[a|c|r][x-shift[u]]  ] [ -Y[a|c|r][y-shift[u]] ] [
16       -ccopies ]
17

DESCRIPTION

19       pspolar reads data values from files [or standard input] and  generates
20       PostScript  code  that will plot stations on focal mechanisms on a map.
21       The PostScript code is written to standard output.
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23       Parameters are expected to be in the following columns
24
25       1,2,3,4
26              station_code, azimuth, take-off angle, polarity
27
28              polarity:
29              - compression can be c,C,u,U,+
30              - rarefaction can be d,D,r,R,-
31              - not defined is anything else
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33

ARGUMENTS

35       files List one or more file-names. If no files are given, pspolar  will
36       read standard input.
37
38       -J     Selects  the  map  projection. Scale is UNIT/degree, 1:xxxxx, or
39              width in UNIT (upper case modifier).  UNIT is cm,  inch,  or  m,
40              depending on the MEASURE_UNIT setting in .gmtdefaults4, but this
41              can be overridden on the command line by appending c, i, or m to
42              the  scale/width  value.   When  central  meridian  is optional,
43              default is center of longitude  range  on  -R  option.   Default
44              standard  parallel  is  the equator.  For map height, max dimen‐
45              sion, or min dimension, append h, +, or - to the width,  respec‐
46              tively.
47              More details can be found in the psbasemap man pages.
48
49              CYLINDRICAL PROJECTIONS:
50
51              -Jclon0/lat0/scale (Cassini)
52              -Jcyl_stere/[lon0/[lat0/]]scale (Cylindrical Stereographic)
53              -Jj[lon0/]scale (Miller)
54              -Jm[lon0/[lat0/]]scale (Mercator)
55              -Jmlon0/lat0/scale (Mercator - Give meridian and standard paral‐
56              lel)
57              -Jo[a]lon0/lat0/azimuth/scale  (Oblique  Mercator  -  point  and
58              azimuth)
59              -Jo[b]lon0/lat0/lon1/lat1/scale (Oblique Mercator - two points)
60              -Joclon0/lat0/lonp/latp/scale  (Oblique  Mercator  -  point  and
61              pole)
62              -Jq[lon0/[lat0/]]scale (Cylindrical Equidistant)
63              -Jtlon0/[lat0/]scale (TM - Transverse Mercator)
64              -Juzone/scale (UTM - Universal Transverse Mercator)
65              -Jy[lon0/[lat0/]]scale (Cylindrical Equal-Area)
66
67              CONIC PROJECTIONS:
68
69              -Jblon0/lat0/lat1/lat2/scale (Albers)
70              -Jdlon0/lat0/lat1/lat2/scale (Conic Equidistant)
71              -Jllon0/lat0/lat1/lat2/scale (Lambert Conic Conformal)
72              -Jpoly/[lon0/[lat0/]]scale ((American) Polyconic)
73
74              AZIMUTHAL PROJECTIONS:
75
76              -Jalon0/lat0[/horizon]/scale (Lambert Azimuthal Equal-Area)
77              -Jelon0/lat0[/horizon]/scale (Azimuthal Equidistant)
78              -Jflon0/lat0[/horizon]/scale (Gnomonic)
79              -Jglon0/lat0[/horizon]/scale (Orthographic)
80              -Jglon0/lat0/altitude/azimuth/tilt/twist/Width/Height/scale
81              (General Perspective).
82              -Jslon0/lat0[/horizon]/scale (General Stereographic)
83
84              MISCELLANEOUS PROJECTIONS:
85
86              -Jh[lon0/]scale (Hammer)
87              -Ji[lon0/]scale (Sinusoidal)
88              -Jkf[lon0/]scale (Eckert IV)
89              -Jk[s][lon0/]scale (Eckert VI)
90              -Jn[lon0/]scale (Robinson)
91              -Jr[lon0/]scale (Winkel Tripel)
92              -Jv[lon0/]scale (Van der Grinten)
93              -Jw[lon0/]scale (Mollweide)
94
95              NON-GEOGRAPHICAL PROJECTIONS:
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97              -Jp[a]scale[/origin][r|z] (Polar coordinates (theta,r))
98              -Jxx-scale[d|l|ppow|t|T][/y-scale[d|l|ppow|t|T]]  (Linear,  log,
99              and power scaling)
100
101       -R     west, east, south, and north specify the Region of interest, and
102              you    may    specify    them   in   decimal   degrees   or   in
103              [+-]dd:mm[:ss.xxx][W|E|S|N] format.  Append r if lower left  and
104              upper  right  map coordinates are given instead of w/e/s/n.  The
105              two shorthands -Rg and -Rd stand for global  domain  (0/360  and
106              -180/+180  in longitude respectively, with -90/+90 in latitude).
107              Alternatively, specify the name of an existing grid file and the
108              -R  settings  (and  grid spacing, if applicable) are copied from
109              the grid.
110
111       -Dlongitude/latitude
112              Maps the bubble at given longitude and latitude point.
113
114       -Msize Sets the size of the beach ball to plot polarities in.  Size  is
115              in inch (unless c, i, m, or p is appended).
116
117       -S<symbol_type><size>
118              Selects symbol_type and symbol size.  Size is in inch (unless c,
119              i, m, or p  is  appended).   Choose  symbol  type  from  st(a)r,
120              (c)ircle,  (d)iamond,  (h)exagon,  (i)nverted triangle, (p)oint,
121              (s)quare, (t)riangle, (x)cross.
122

OPTIONS

124       No space between the option flag and the associated arguments.
125
126       -B     Sets map boundary annotation and  tickmark  intervals;  see  the
127              psbasemap man page for all the details.
128
129       -C     Offsets focal mechanisms to the latitude and longitude specified
130              in the last two columns of the input file.
131
132       -Efill Selects filling of symbols for stations in extensive  quadrants.
133              Set the shade (0-255) or color (r/g/b) [Default is 250/250/250].
134              If -Efill is the same as -Ffill, use -e to outline.
135
136       -e[pen]
137              Outline symbols in extensive quadrants using pen or the  default
138              pen (see -W).
139
140       -Ffill Sets background color of the beach ball. Default is no fill.
141
142       -f[pen]
143              Outline the beach ball using pen or the default pen (see -W).
144
145       -Gfill Selects  filling  of symbols for stations in compressional quad‐
146              rants.  Set the shade  (0-255)  or  color  (r/g/b)  [Default  is
147              0/0/0].
148
149       -g[pen]
150              Outline  symbols  in  compressional  quadrants  using pen or the
151              default pen (see -W).
152
153       -H     Input file(s) has header record(s).  If used, the default number
154              of  header records is N_HEADER_RECS.  Use -Hi if only input data
155              should have  header  records  [Default  will  write  out  header
156              records  if  the  input  data  have them]. Blank lines and lines
157              starting with # are always skipped.
158
159       -h     Use special format derived from HYPO71 output
160
161       -K     More PostScript code will be appended later [Default  terminates
162              the plot system].
163
164       -N     Does  NOT  skip  symbols  that  fall outside map border [Default
165              plots points inside border only].
166
167       -O     Selects Overlay plot mode [Default initializes a new  plot  sys‐
168              tem].
169
170       -P     Selects Portrait plotting mode [Default is Landscape, see gmtde‐
171              faults to change this].
172
173       -shalf-size/[V[v_width/h_length/h_width/shape]][Gr/g/b][L]
174              Plots S polarity azimuth.
175              S polarity is in last column.  It may be a vector (V option)  or
176              a  segment.   Give  half-size,v_width,h_length,h_width  in  inch
177              (unless c, i, m, or p is appended).  [L] option is for outline.
178
179       -Tangle/form/justify/fontsize in points
180              To write station code. [Default is 0.0/0/5/12].
181
182       -tpen  Set pen color to write station code. Default  uses  the  default
183              pen (see -W).
184
185       -U     Draw Unix System time stamp on plot.  By adding just/dx/dy/, the
186              user may specify the justification of the stamp  and  where  the
187              stamp  should  fall on the page relative to lower left corner of
188              the plot.  For example, BL/0/0 will align the lower left  corner
189              of  the  time  stamp  with  the  lower  left corner of the plot.
190              Optionally, append a label, or c (which will  plot  the  command
191              string.).   The  GMT  parameters  UNIX_TIME,  UNIX_TIME_POS, and
192              UNIX_TIME_FORMAT can affect the appearance; see the  gmtdefaults
193              man page for details.  The time string will be in the locale set
194              by the environment variable TZ (generally local time).
195
196       -V     Selects verbose mode, which will send progress reports to stderr
197              [Default runs "silently"].
198
199       -W     Set current pen attributes
200               [Defaults: width = 1, color = 0/0/0, texture = solid].
201
202       -X -Y  Shift  plot origin relative to the current origin by (x-shift,y-
203              shift) and optionally append the length unit (c, i, m, p).   You
204              can  prepend a to shift the origin back to the original position
205              after plotting, or prepend  r [Default]  to  reset  the  current
206              origin  to the new location.  If -O is used then the default (x-
207              shift,y-shift) is (0,0), otherwise it is (r1i, r1i)  or  (r2.5c,
208              r2.5c).  Alternatively, give c to align the center coordinate (x
209              or y) of the plot with the center of the page based  on  current
210              page size.
211
212       -:     Toggles  between  (longitude,latitude)  and (latitude,longitude)
213              input and/or output.  [Default is (longitude,latitude)].  Append
214              i  to  select  input  only or o to select output only.  [Default
215              affects both].
216
217       -c     Specifies the number of plot copies. [Default is 1].
218

EXAMPLES

220       pspolar -R239/240/34/35.2 -JM8 -N -Sc0.4 -H1 -D239.5/34.5  -M5  <<END>!
221       test.ps
222       stat azim  ih pol
223       0481   11  147   c
224       6185  247  120   d
225       0485  288  114   +
226       0490  223  112   -
227       0487  212  109   .
228       END
229       or
230       pspolar  -R239/240/34/35.2  -JM8  -N  -Sc0.4  -H1  -D239.5/34.5  -M5 -h
231       <<END>! test.ps
232       Date   Or. time stat azim  ih
233       910223   1 22   0481   11  147   ipu0
234       910223   1 22   6185  247  120   ipd0
235       910223   1 22   0485  288  114   epu0
236       910223   1 22   0490  223  112   epd0
237       910223   1 22   0487  212  109   epu0
238       END
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240

SEE ALSO

242       GMT(1), psbasemap(1), psxy(1)
243

REFERENCES

245       Bomford, G., Geodesy, 4th ed., Oxford University Press, 1980.
246       Aki, K. and P. Richards, Quantitative Seismology, Freeman, 1980.
247

AUTHORS

249       Genevieve Patau
250       Seismology Dept.
251       Institut de Physique du Globe de Paris
252       (patau@ipgp.jussieu.fr)
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256GMT 4.5.6                         10 Mar 2011                       PSPOLAR(1)
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