free grads

grads Commands Sorted by Attribute Animation  set loopdim      Sets dimension to animate  set loopincr  &nb

commands: attribute

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grads Commands Sorted by Attribute

set loopdim      Sets dimension to animate 
set loopincr     Sets looping increment 
set looping      Turns on animation when fewer than three dimesions are varying 
set dbuff        Turns on/off double buffer mode 
swap             Swaps buffers when in double buffer mode

Annotation and Labeling 
draw string      Draws a string anywhere on the page 
draw title       Draws a title centered over a plot 
set dignum       Sets the number of significant digits after the decimal point 
set digsiz       Sets the size of plotted numbers 
set font         Selects the font for text display 
set grads        Turns on/off the grads logo in each plot 
set string       Sets string drawing attributes 
set strsiz       Sets the string character size 
set timelab      Turns on/off display of the time label 
set tlsupp       Suppresses the annotation of the year and/or month in date/time labels

Axis Labeling 
draw xlab        Draws an X-axis label 
draw ylab        Draws a Y-axis label 
set vrange       Sets the range of values for Y-axis scaling 
set vrange2      Sets the range of values for X-axis scaling 
set xaxis        Specifies where the labeled tick marks will be placed on the X-axis 
set xflip        Flips the order of the horizontal axis 
set xlab         Controls the format of X-axis tick mark labels 
set xlabs        Gives specific text for X-axis labels 
set xlevs        Specifies each individual labeled tick mark for the X-axis 
set xlint        Specifies the interval between labeled tick marks on the X-axis 
set xlopts       Controls X-axis label options 
set xlpos        Controls position of X-axis labels 
set xyrev        Reverses the X and Y axes on a plot 
set yaxis        Specifies where the labeled tick marks will be placed on the Y-axis 
set yflip        Flips the order of the vertical axis 
set ylab         Controls the format of Y-axis tick mark labels 
set ylabs        Gives specific text for Y-axis labels 
set ylevs        Specifies each individual labeled tick mark for the Y-axis 
set ylint        Specifies the interval between labeled tick marks on the Y-axis 
set ylopts       Controls Y-axis label options 
set ylpos        Controls position of Y-axis labels 
set zlog         Sets log scaling of the Z dimension

Bar Graph Options 
set barbase      Sets the reference point for bar graphs 
set bargap       Sets the gap between bars for bar graphs 
set baropts      Specifies whether bars are outlined or filled

Color Control 
set fgvals       Assigns a color to a particular value; used with 'set gxout fgrid' 
set lfcols       
set rbcols       Specifies a new rainbow color sequence 
set rbrange      Assigns a range of values to rainbow colors 
set rgb          Defines a new color 
set wxcols       Controls color of weather symbols

Contour Settings 
set annot        Sets color and thickness of axis border, axis labels, and tickmarks 
set black        Specifies a range of values for which no contours will be drawn 
set ccolor       Specifies the color of the plotted contours 
set ccols        Assigns specific colors for each contour level 
set cint         Sets the contour interval 
set clab         Controls contour labels 
set clevs        Sets specific contour levels 
set clopts       Contour label options 
set clskip       Sets the number of contour lines to skip when labelling 
set cmax         Contours not drawn above this value 
set cmin         Contours not drawn below this value 
set csmooth      Interpolates the grid to a finer resolution before contouring 
set cstyle       Sets the contour line style 
set cterp        Turns on/off spline smoothing 
set cthick       Sets contour line thickness

Display Controls 
clear            Clears the display window and resets many graphics options 
display          Draws a plot 
reset            Returns grads settings to default state with some exceptions 
set background   Sets background color 
set clip         Sets the coordinates for clipping the plot area 
set cmark        Sets the type of line marker 
set display      Sets the mode of display 
set frame        Draws a frame around plot borders 
set gridln       Controls appearance of grid lines; used with 'set gxout grid' 
set gxout        Sets a graphics output type 
set line         Sets line attributes 
set missconn     Connects plots lines over missing data 
set parea        Specifies the area for plotting contour plots, maps, or line graphs 
set vpage        Sets dimensions of the virtual page 
set xsize        Resizes the graphics display window

Data and Image Output 
disable fwrite   Closes output file containing gridded data 
disable print    Closes output file containing images in metacode format 
enable print     Opens output file containing images in metacode format 
gxeps            Converts grads metacode format image files into postscript 
gxps             Converts GrADS metacode format image files into postscript 
gxtran           Displays GrADS metacode format image files 
outxwd           Copies the contents of the display window into a file in XWD format 
print            Copies the contents of display window to a file in a metacode format 
printim          Copies the contents of display window to a file in PNG or GIF format 
set fwrite       Sets filename, byte ordering, and format for data output 
wi               Dumps the contents of the display window into a file in a variety of formats

Dimension Environment 
set x            Specifies the X-dimension in grid coordinates 
set y            Specifies the Y-dimension in grid coordinates 
set z            Specifies the Z-dimension in grid coordinates 
set t            Specifies the T-dimension in grid coordinates 
set lon          Specifies the X-dimension in world coordinates 
set lat          Specifies the Y-dimension in world coordinates 
set lev          Specifies the Z-dimension in world coordinates 
set time         Specifies the T-dimension in world coordinates

File Manipulation 
close            Closes a GrADS data file 
open             Opens a GrADS data file 
reinit           Returns GrADS to its initial state 
exec             Executes the list of GrADS commands contained in a file 
gribmap          Creates a map of data sets in GRIB format 
gribscan         Extracts grid info from data sets in GRIB format 
run              Runs a GrADS script 
sdfopen          Opens a COARDS-compliant NetCDF or HDF-SDS file 
xdfopen          Opens a non-COARDS-compliant NetCDF or HDF-SDS file 
set dfile        Changes default file 
set imprun       Sets up automatic script execution before every display command

GrADS-User Interface 
grads            Starts the GrADS program 
help             Lists a few basic GrADS commands 
query            Returns information about many aspects of the current GrADS session 
quit             Quits GrADS 
set datawarn     Prints "Entire Grid Undefined" in display window if all data are missing 
set stat         Turns on/off printing of statistical information for each display 
set warn         Turns on/off messages about the progress of certain mathematical operations 
!shell           Sends a command to the shell

Graphical Elements 
draw line        Draws a line 
draw mark        Draws a mark 
draw polyf       Draws a filled polygon 
draw rec         Draws a rectangle 
draw recf        Draws a filled rectangle 
draw wxsym       Draws a weather symbol

Map Settings 
draw map         Draws a map outline 
set grid         Sets characteristics of displayed grid lines 
set map          Sets map background characteristics 
set mpdraw       Turns on/off drawing of map background 
set mpdset       Sets the resolution of the coastal outline 
set mproj        Sets current map projection 
set mpt          Controls map background characteristics 
set mpvals       Sets reference longitudes and latitudes for polar stereographic plots 
set poli         Turns on/off the drawing of political boundaries

Station Data 
collect          Saves station data in memory as a set 
set mdlopts      
set wxopt        Controls weather symbol output; used with 'set gxout wxsym' 
set stid         Turns on/off display of the station ID next to the data values 
set stnprint     Controls printing of station data values; used with 'set gxout stat' 
stnmap           Writes out a hash table and/or link list information for station data

define           Creates a new GrADS variable that is loaded into memory 
modify           Defines a climatological variable 
set defval       Interactively modifies grid point values for 2-D defined variables 
undefine         Frees the memory used by a defined variable

set arrlab       Toggles drawing the vector arrow label 
set arrowhead    Sets the size of the vector arrowhead 
set arrscl       Specifies arrow length scaling 
set hempref      Controls wind barb drawing conventions 
set strmden      Sets density of streamlines; used with 'set gxout stream'

draw button      Draws a button widget 
redraw button    Resets a button widget on/off 
draw dropmenu    Draws a dropmenu widget 
set button       Specifies the color characteristics of a button widget 
set dialog       Sets color properties of dialog box widgets 
set dropmenu     Sets color properties of dropmenu widgets 
set rband        Sets characteristics for the 'rubber band' widget

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