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<!--Copyright (C) 1988-2005 by the Institute of Global Environment and Society (IGES). See file COPYRIGHT for more information.-->

<html>
<head>
<title>GrADS Commands</title>
</head>
<body bgcolor="e0f0ff" text="#000000">

<center><h3>GrADS Commands Sorted by Attribute</h3></center>

<p><font size=+1>Animation</font>
<br><code><a href="gradcomdsetloopdim.html">set loopdim</a>
&nbsp;&nbsp;&nbsp;&nbsp;</code>
Sets dimension to animate
<br><code><a href="gradcomdsetloopincr.html">set loopincr</a>
&nbsp;&nbsp;&nbsp;</code>
Sets looping increment
<br><code><a href="gradcomdsetlooping.html">set looping</a>
&nbsp;&nbsp;&nbsp;&nbsp;</code> 
Turns on animation when fewer than three dimesions are varying
<br><code><a href="gradcomdsetdbuff.html">set dbuff</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Turns on/off double buffer mode
<br><code><a href="gradcomdswap.html">swap</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Swaps buffers when in double buffer mode


<p><font size=+1>Annotation and Labeling</font>
<br><code><a href="gradcomddrawstring.html">draw string</a>
&nbsp;&nbsp;&nbsp;&nbsp;</code>
Draws a string anywhere on the page
<br><code><a href="gradcomddrawtitle.html">draw title</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Draws a title centered over a plot
<br><code><a href="gradcomdsetdignum.html">set dignum</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code> 
Sets the number of significant digits after the decimal point
<br><code><a href="gradcomdsetdigsize.html">set digsiz</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code> 
Sets the size of plotted numbers
<br><code><a href="gradcomdsetfont.html">set font</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code> 
Selects the font for text display
<br><code><a href="gradcomdsetgrads.html">set grads</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code> 
Turns on/off the GrADS logo in each plot
<br><code><a href="gradcomdsetstring.html">set string</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Sets string drawing attributes
<br><code><a href="gradcomdsetstrsiz.html">set strsiz</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Sets the string character size
<br><code><a href="gradcomdsettimelab.html">set timelab</a>
&nbsp;&nbsp;&nbsp;&nbsp;</code>
Turns on/off display of the time label 
<br><code><a href="gradcomdsettlsupp.html">set tlsupp</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Suppresses the annotation of the year and/or month in date/time labels


<p><font size=+1>Axis Labeling</font>
<br><code><a href="gradcomddrawxlab.html">draw xlab</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Draws an X-axis label
<br><code><a href="gradcomddrawylab.html">draw ylab</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Draws a Y-axis label
<br><code><a href="gradcomdsetvrange.html">set vrange</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Sets the range of values for Y-axis scaling
<br><code><a href="gradcomdsetvrange2.html">set vrange2</a>
&nbsp;&nbsp;&nbsp;&nbsp;</code>
Sets the range of values for X-axis scaling
<br><code><a href="gradcomdsetxaxis.html">set xaxis</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Specifies where the labeled tick marks will be placed on the X-axis
<br><code><a href="gradcomdsetxflip.html">set xflip</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Flips the order of the horizontal axis
<br><code><a href="gradcomdsetxlab.html">set xlab</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Controls the format of X-axis tick mark labels
<br><code><a href="gradcomdsetxlabs.html">set xlabs</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Gives specific text for X-axis labels
<br><code><a href="gradcomdsetxlevs.html">set xlevs</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Specifies each individual labeled tick mark for the X-axis
<br><code><a href="gradcomdsetxlint.html">set xlint</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Specifies the interval between labeled tick marks on the X-axis
<br><code><a href="gradcomdsetxlopts.html">set xlopts</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Controls X-axis label options
<br><code><a href="gradcomdsetxlpos.html">set xlpos</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Controls position of X-axis labels
<br><code><a href="gradcomdsetxyrev.html">set xyrev</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Reverses the X and Y axes on a plot
<br><code><a href="gradcomdsetyaxis.html">set yaxis</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Specifies where the labeled tick marks will be placed on the Y-axis
<br><code><a href="gradcomdsetyflip.html">set yflip</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Flips the order of the vertical axis
<br><code><a href="gradcomdsetylab.html">set ylab</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Controls the format of Y-axis tick mark labels
<br><code><a href="gradcomdsetylabs.html">set ylabs</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Gives specific text for Y-axis labels
<br><code><a href="gradcomdsetylevs.html">set ylevs</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Specifies each individual labeled tick mark for the Y-axis
<br><code><a href="gradcomdsetylint.html">set ylint</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Specifies the interval between labeled tick marks on the Y-axis
<br><code><a href="gradcomdsetylopts.html">set ylopts</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Controls Y-axis label options
<br><code><a href="gradcomdsetylpos.html">set ylpos</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Controls position of Y-axis labels
<br><code><a href="gradcomdsetzlog.html">set zlog</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Sets log scaling of the Z dimension


<p><font size=+1>Bar Graph Options</font>
<br><code><a href="gradcomdsetbarbase.html">set barbase</a>
&nbsp;&nbsp;&nbsp;&nbsp;</code>
Sets the reference point for bar graphs
<br><code><a href="gradcomdsetbargap.html">set bargap</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Sets the gap between bars for bar graphs
<br><code><a href="gradcomdsetbaropts.html">set baropts</a>
&nbsp;&nbsp;&nbsp;&nbsp;</code>
Specifies whether bars are outlined or filled


<p><font size=+1>Color Control</font>
<br><code><a href="gradcomdsetfgvals.html">set fgvals</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code> 
Assigns a color to a particular value; used with 'set gxout fgrid'
<br><code><a href="gradcomdsetlfcols.html">set lfcols</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code> 

<br><code><a href="gradcomdsetrbcols.html">set rbcols</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Specifies a new rainbow color sequence
<br><code><a href="gradcomdsetrbrange.html">set rbrange</a>
&nbsp;&nbsp;&nbsp;&nbsp;</code>
Assigns a range of values to rainbow colors
<br><code><a href="gradcomdsetrgb.html">set rgb</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Defines a new color
<br><code><a href="gradcomdsetwxcols.html">set wxcols</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Controls color of weather symbols


<p><font size=+1>Contour Settings</font>
<br><code><a href="gradcomdsetannot.html">set annot</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Sets color and thickness of axis border, axis labels, and tickmarks
<br><code><a href="gradcomdsetblack.html">set black</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Specifies a range of values for which no contours will be drawn
<br><code><a href="gradcomdsetccolor.html">set ccolor</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Specifies the color of the plotted contours
<br><code><a href="gradcomdsetccols.html">set ccols</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Assigns specific colors for each contour level
<br><code><a href="gradcomdsetcint.html">set cint</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code> 
Sets the contour interval
<br><code><a href="gradcomdsetclab.html">set clab</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Controls contour labels
<br><code><a href="gradcomdsetclevs.html">set clevs</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Sets specific contour levels
<br><code><a href="gradcomdsetclopts.html">set clopts</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Contour label options
<br><code><a href="gradcomdsetclskip.html">set clskip</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Sets the number of contour lines to skip when labelling
<br><code><a href="gradcomdsetcmax.html">set cmax</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Contours not drawn above this value
<br><code><a href="gradcomdsetcmin.html">set cmin</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Contours not drawn below this value
<br><code><a href="gradcomdsetcsmooth.html">set csmooth</a>
&nbsp;&nbsp;&nbsp;&nbsp;</code>
Interpolates the grid to a finer resolution before contouring
<br><code><a href="gradcomdsetcstyle.html">set cstyle</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Sets the contour line style
<br><code><a href="gradcomdsetcterp.html">set cterp</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Turns on/off spline smoothing
<br><code><a href="gradcomdsetcthick.html">set cthick</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code> 
Sets contour line thickness


<p><font size=+1>Display Controls</font>
<br><code><a href="gradcomdclear.html">clear</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Clears the display window and resets many graphics options
<br><code><a href="gradcomddisplay.html">display</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Draws a plot
<br><code><a href="gradcomdreset.html">reset</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>   
Returns GrADS settings to default state with some exceptions
<br><code><a href="gradcomdsetbackground.html">set background</a>
&nbsp;</code>
Sets background color
<br><code><a href="gradcomdsetclip.html">set clip</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Sets the coordinates for clipping the plot area
<br><code><a href="gradcomdsetcmark.html">set cmark</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Sets the type of line marker
<br><code><a href="gradcomdsetdisplay.html">set display</a>
&nbsp;&nbsp;&nbsp;&nbsp;</code> 
Sets the mode of display
<br><code><a href="gradcomdsetframe.html">set frame</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code> 
Draws a frame around plot borders
<br><code><a href="gradcomdsetgridln.html">set gridln</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Controls appearance of grid lines; used with 'set gxout grid'
<br><code><a href="gradcomdsetgxout.html">set gxout</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>  
Sets a graphics output type
<br><code><a href="gradcomdsetline.html">set line</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Sets line attributes
<br><code><a href="gradcomdsetmissconn.html">set missconn</a>
&nbsp;&nbsp;&nbsp;</code>
Connects plots lines over missing data
<br><code><a href="gradcomdsetparea.html">set parea</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Specifies the area for plotting contour plots, maps, or line graphs
<br><code><a href="gradcomdsetvpage.html">set vpage</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Sets dimensions of the virtual page
<br><code><a href="gradcomdsetxsize.html">set xsize</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Resizes the graphics display window 


<p><font size=+1>Data and Image Output</font>
<br><code><a href="gradcomddisablefwrite.html">disable fwrite</a>
&nbsp;</code>
Closes output file containing gridded data 
<br><code><a href="gradcomddisableprint.html">disable print</a>
&nbsp;&nbsp;</code>
Closes output file containing images in metacode format 
<br><code><a href="gradcomdenableprint.html">enable print</a>
&nbsp;&nbsp;&nbsp;</code>  
Opens output file containing images in metacode format
<br><code><a href="gradutilgxeps.html">gxeps</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Converts GrADS metacode format image files into postscript
<br><code><a href="gradutilgxps.html">gxps</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Converts GrADS metacode format image files into postscript
<br><code><a href="gradutilgxtran.html">gxtran</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Displays GrADS metacode format image files
<br><code><a href="gradcomdoutxwd.html">outxwd</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Copies the contents of the display window into a file in XWD format 
<br><code><a href="gradcomdprint.html">print</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Copies the contents of display window to a file in a metacode format
<br><code><a href="gradcomdprintim.html">printim</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Copies the contents of display window to a file in PNG or GIF format
<br><code><a href="gradcomdsetfwrite.html">set fwrite</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Sets filename, byte ordering, and format for data output
<br><code><a href="gradcomdwi.html">wi</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Dumps the contents of the display window into a file in a variety of formats


<p><font size=+1>Dimension Environment</font>
<br><code><a href="gradcomdsetxyzte.html">set x</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Specifies the X-dimension in grid coordinates
<br><code><a href="gradcomdsetxyzte.html">set y</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Specifies the Y-dimension in grid coordinates
<br><code><a href="gradcomdsetxyzte.html">set z</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Specifies the Z-dimension in grid coordinates
<br><code><a href="gradcomdsetxyzte.html">set t</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Specifies the T-dimension in grid coordinates
<br><code><a href="gradcomdsetlatlonlevtimeens.html">set lon</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Specifies the X-dimension in world coordinates
<br><code><a href="gradcomdsetlatlonlevtimeens.html">set lat</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Specifies the Y-dimension in world coordinates
<br><code><a href="gradcomdsetlatlonlevtimeens.html">set lev</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Specifies the Z-dimension in world coordinates
<br><code><a href="gradcomdsetlatlonlevtimeens.html">set time</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Specifies the T-dimension in world coordinates


<p><font size=+1>File Manipulation</font>
<br><code><a href="gradcomdclose.html">close</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Closes a GrADS data file
<br><code><a href="gradcomdopen.html">open</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Opens a GrADS data file
<br><code><a href="gradcomdreinit.html">reinit</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>   
Returns GrADS to its initial state
<br><code><a href="gradcomdexec.html">exec</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Executes the list of GrADS commands contained in a file
<br><code><a href="gradutilgribmap.html">gribmap</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Creates a map of data sets in GRIB format
<br><code><a href="gradutilgribscan.html">gribscan</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Extracts grid info from data sets in GRIB format
<br><code><a href="gradcomdrun.html">run</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code> 
Runs a GrADS script
<br><code><a href="gradcomdsdfopen.html">sdfopen</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Opens a COARDS-compliant NetCDF or HDF-SDS file 
<br><code><a href="gradcomdxdfopen.html">xdfopen</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Opens a non-COARDS-compliant NetCDF or HDF-SDS file 
<br><code><a href="gradcomdsetdfile.html">set dfile</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Changes default file
<br><code><a href="gradcomdsetimprun.html">set imprun</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Sets up automatic script execution before every display command


<p><font size=+1>GrADS-User Interface</font>
<br><code><a href="gradcomdgrads.html">grads</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Starts the GrADS program
<br><code><a href="gradcomdhelp.html">help</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Lists a few basic GrADS commands
<br><code><a href="gradcomdquery.html">query</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Returns information about many aspects of the current GrADS session
<br><code><a href="gradcomdquit.html">quit</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>  
Quits GrADS
<br><code><a href="gradcomdsetdatawarn.html">set datawarn</a>
&nbsp;&nbsp;&nbsp;</code>
Prints "Entire Grid Undefined" in display window if all data are missing
<br><code><a href="gradcomdsetstat.html">set stat</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Turns on/off printing of statistical information for each display
<br><code><a href="gradcomdsetwarn.html">set warn</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Turns on/off messages about the progress of certain mathematical operations
<br><code><a href="gradcomdshell.html">!shell</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Sends a command to the shell


<p><font size=+1>Graphical Elements</font>
<br><code><a href="gradcomddrawline.html">draw line</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Draws a line
<br><code><a href="gradcomddrawmark.html">draw mark</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Draws a mark
<br><code><a href="gradcomddrawpolyf.html">draw polyf</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Draws a filled polygon
<br><code><a href="gradcomddrawrec.html">draw rec</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Draws a rectangle
<br><code><a href="gradcomddrawrecf.html">draw recf</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Draws a filled rectangle
<br><code><a href="gradcomddrawwxsym.html">draw wxsym</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Draws a weather symbol


<p><font size=+1>Map Settings</font>
<br><code><a href="gradcomddrawmap.html">draw map</a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Draws a map outline
<br><code><a href="gradcomdsetgrid.html">set grid</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Sets characteristics of displayed grid lines
<br><code><a href="gradcomdsetmap.html">set map</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Sets map background characteristics
<br><code><a href="gradcomdsetmpdraw.html">set mpdraw</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Turns on/off drawing of map background
<br><code><a href="gradcomdsetmpdset.html">set mpdset</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Sets the resolution of the coastal outline
<br><code><a href="gradcomdsetmproj.html">set mproj</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Sets current map projection
<br><code><a href="gradcomdsetmpt.html">set mpt</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Controls map background characteristics 
<br><code><a href="gradcomdsetmpvals.html">set mpvals</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Sets reference longitudes and latitudes for polar stereographic plots
<br><code><a href="gradcomdsetpoli.html">set poli</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Turns on/off the drawing of political boundaries


<p><font size=+1>Station Data</font>
<br><code><a href="gradcomdcollect.html">collect</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Saves station data in memory as a set
<br><code><a href="gradcomdsetmdlopts.html">set mdlopts</a>
&nbsp;&nbsp;&nbsp;&nbsp;</code>
<br><code><a href="gradcomdsetwxopt.html">set wxopt</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Controls weather symbol output; used with 'set gxout wxsym'
<br><code><a href="gradcomdsetstid.html">set stid</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Turns on/off display of the station ID next to the data values 
<br><code><a href="gradcomdsetstnprint.html">set stnprint</a>
&nbsp;&nbsp;&nbsp;</code>
Controls printing of station data values; used with 'set gxout stat'
<br><code><a href="gradutilstnmap.html">stnmap</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Writes out a hash table and/or link list information for station data


<p><font size=+1>Variables</font>
<br><code><a href="gradcomddefine.html">define</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Creates a new GrADS variable that is loaded into memory
<br><code><a href="gradcomdmodify.html">modify</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Defines a climatological variable
<br><code><a href="gradcomdsetdefval.html">set defval</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Interactively modifies grid point values for 2-D defined variables
<br><code><a href="gradcomdundefine.html">undefine</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Frees the memory used by a defined variable


<p><font size=+1>Vectors</font>
<br><code><a href="gradcomdsetarrlab.html">set arrlab</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Toggles drawing the vector arrow label 
<br><code><a href="gradcomdsetarrowhead.html">set arrowhead</a>
&nbsp;&nbsp;</code>
Sets the size of the vector arrowhead
<br><code><a href="gradcomdsetarrscl.html">set arrscl</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Specifies arrow length scaling
<br><code><a href="gradcomdsethempref.html">set hempref</a>
&nbsp;&nbsp;&nbsp;&nbsp;</code>
Controls wind barb drawing conventions
<br><code><a href="gradcomdsetstrmden.html">set strmden</a>
&nbsp;&nbsp;&nbsp;&nbsp;</code>
Sets density of streamlines; used with 'set gxout stream'


<p><font size=+1>Widgets</font>
<br><code><a href="gradcomddrawbutton.html">draw button</a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Draws a button widget
<br><code><a href="gradcomdredrawbutton.html">redraw button</a>&nbsp;&nbsp;&nbsp;</code>
Resets a button widget on/off
<br><code><a href="gradcomddrawdropmenu.html">draw dropmenu</a>&nbsp;&nbsp;&nbsp;</code>
Draws a dropmenu widget
<br><code><a href="gradcomdsetbutton.html">set button</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Specifies the color characteristics of a button widget
<br><code><a href="gradcomdsetdialog.html">set dialog</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code> 
Sets color properties of dialog box widgets
<br><code><a href="gradcomdsetdropmenu.html">set dropmenu</a>
&nbsp;&nbsp;&nbsp;</code>
Sets color properties of dropmenu widgets
<br><code><a href="gradcomdsetrband.html">set rband</a>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code>
Sets characteristics for the 'rubber band' widget


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