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Script Reference

A-Z

Color, Color Bar

Script Name Brief document
./color.gs Set color table for drawing.
./allcolor.gs Display all the colors and color numbers.
./xcbar.gs Draw a colorbar where you specify.

Panel Setting

Script Name Brief document
./mul.gs Specify a plotting area in a simple manner.
./mul2.gs Specify a plotting area in a simple manner.
./mulval.gs Draw min/max values with mul.gs.

Data Handling

Script Name Brief document
./clave.gs Make climatological mean.
./clsum.gs Make climatological sum.
./lreg.gs Linear regression and correlation.
./max.gs Get maximum value from two field variables.
./min.gs Get minimum value from two field variables.
./dlev.gs Differentiate variable with respect to lev.
./shift.gs Horizontally shift values of variable.
./cutdata.gs Cut data and save as a binary file.

Drawing Diagram and Character

Script Name Brief document
./arrow.gs Draw arrow.
./drawline.gs Draw line.
./drawmark.gs Draw mark.
./drawpoly.gs Draw polygon.
./draws.gs Draw string at the position specified relative to the figure.
./tbox.gs Draw string using text-box.
./grid.gs Draw grid.
./ico.gs Draw grid in icosahedral model.

Misc

Script Name Brief document
./xopen.gs Automatically choose appropriate open command (open/sdfopen/xdfopen).
./allclose.gs Close all the control files.
./dshade.gs Draw two shading figures.
./tile.gs Draw tile (hatch).
./shade.gs Shading region of the specified value range.
./zero.gs Draw zero line.
./setshift.gs Set dimension relative to the current one.
./loglabel.gs Label the vertical axis appropriately.
./setlabs.gs Set axis label.
./setfont.gs Set font property.
./save.gs Save current figures as eps.
./saveanim.gs Save available movie as animation gif.

Deprecated

Script Name Brief document
./hatch.gs Draw hatch.
./line.gs Draw line in various coordinate.

Script Function Reference

For use in GrADS script. Please execute "rc = gsfallow('on')" in the script before these script functions are invoked.

A-Z

Character Conversion

Script Function Name Brief document
./atoi.gsf Convert character to ascii code.
./itoa.gsf Convert ascii code to character.
./chcase.gsf Convert to upper/lower case.

Character Handling

Script Function Name Brief document
./rgnwrd.gsf Get strings separated by a string.
./getext.gsf Get extension.
./sublw.gsf sublin() + subwrd().
./find.gsf Get position of the string in the string.
./strrep.gsf Replace string.
./printf.gsf C-printf-style formatting.
./strtrim.gsf Trim white space in the string.
./comarg.gsf Interpret arguments.

Space Dimension Conversion

Script Function Name Brief document
./x2lon.gsf Convert longitudinal grid number (x) to longitudinal level (lon).
./lon2x.gsf Convert longitudinal level (lon) to longitudinal grid number (x).
./y2lat.gsf Convert latitudinal grid number (y) to latitudinal level (lat).
./lat2y.gsf Convert latitudinal level (lat) to latitudinal grid number (y).
./z2lev.gsf Convert vertical grid number (z) to vertical level (lev).
./lev2z.gsf Convert vertical level (lev) to vertical grid number (z).
./qw2xy.gsf Convert from world coordinate to XY coordinate on the drawing display.
./qxy2w.gsf Convert from XY coordinate to world coordinate on the drawing display.
./qw2gr.gsf Convert from world coordinate on the drawing display to grid coordinate in the data.
./qgr2w.gsf Convert from grid coordinate in the data to world coordinate on the drawing display.
./qxy2gr.gsf Convert from XY coordinate on the drawing display to grid coordinate in the data.
./qgr2xy.gsf Convert from grid coordinate in the data to XY coordinate on the drawing display.

Time Handling

Script Function Name Brief document
./t2time.gsf Convert time step to time.
./time2t.gsf Convert time to time step.
./dayofyear.gsf Get day of year, assuming January 1st to be 1.
./days.gsf Get days of one particular month or year.
./tsteps.gsf Get number of time steps for one particular month or year.
./cmonth.gsf Convert integer to alphabetical month or vice versa.

Query

Script Function Name Brief document
./qattr.gsf Get a part of "q attr".
./qctlinfo.gsf Get a part of "q ctlinfo".
./qdims.gsf Get a part of "q dims".
./qgxinfo.gsf Get a part of "q gxinfo".
./qgxout.gsf Get a part of "q gxout".
./gradsver.gsf Obtain/Compare GrADS version.
./time_avail.gsf Return availability of data for a specified time.

Math Function

Script Function Name Brief document
./arg.gsf Get argument.
./xmath_max.gsf Get maximum value from two script variables.
./xmath_min.gsf Get minimum value from two script variables.
./xmath_random.gsf Get random number.

Misc

Script Function Name Brief document
./last.gsf Obtain number of files opened.
./dtopen.gsf Open with directory and file name.
./pwd.gsf Get Current Working Directory.
./v2s.gsf Convert GrADS variable to GrADS script variable.
./prex.gsf Print the command before it is executed.
./setstr.gsf Store strings.
./getstr.gsf Load stored strings.
./strmem.gsf Store/Load strings.
./libbase.gsf Standard Functions.

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