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<title>GrADS Script Library</title>
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<h2 class="banner18">GrADS Script Library</h2>
</center>
<p>
<table border=1 bordercolor=#6699ff cellpadding=3>
<tr>
<td valign=top border=1 class="plaintext"> <a href="ftp://grads.iges.org/grads/scripts/basemap.gs">basemap.gs</a> </td>
<td class="plaintext">Overlays a land or ocean mask that exactly fits the
coastal outlines. Requires the following supplemental data files:<br>
<a href="ftp://grads.iges.org/grads/scripts/lpoly_lowres.asc">lpoly_lowres.asc</a>
and <a href="ftp://grads.iges.org/grads/scripts/lpoly_mres.asc">lpoly_mres.asc</a>
and <a href="ftp://grads.iges.org/grads/scripts/lpoly_hires.asc">lpoly_hires.asc</a><br>
<a href="ftp://grads.iges.org/grads/scripts/opoly_lowres.asc">opoly_lowres.asc</a>
and <a href="ftp://grads.iges.org/grads/scripts/opoly_mres.asc">opoly_mres.asc</a>
and <a href="ftp://grads.iges.org/grads/scripts/opoly_hires.asc">opoly_hires.asc</a><br>
See instructions in script header for using <a href="ftp://grads.iges.org/grads/scripts/lpoly_US.asc">lpoly_US.asc</a>
to mask out non-US areas. </td>
</tr>
<tr>
<td valign=top class="plaintext"><a href="ftp://iges.org/grads/scripts/box_and_whisker.gs">box_and_whisker.gs</a></td>
<td class="plaintext">Demonstrates how to use gxout bar and errbar to draw a box and whisker plot</td>
</tr>
<tr>
<td valign=top class="plaintext"> <p><a href="ftp://grads.iges.org/grads/scripts/cbar.gs">cbar.gs</a>
and <br>
<a href="ftp://grads.iges.org/grads/scripts/cbarn.gs">cbarn.gs</a>
<br>
<a href="ftp://grads.iges.org/grads/scripts/cbarm.gs">cbarm.gs</a></p> </td>
<td class="plaintext">Scripts to draw a long rectangular color legend next
to shaded plots. <br>
cbar.gs is the original version -- just the filled rectangles with labels<br>
cbarn has some added features and arguments -- it draws outlines and triangular
endpoints<br>
cbarm will look better if using 30+ colors -- labels are drawn at appropriate intervals</td>
</tr>
<tr>
<td valign=top class="plaintext"> <a href="ftp://grads.iges.org/grads/scripts/cbarc.gs">cbarc.gs</a> </td>
<td class="plaintext">Draws a small fan-shaped color legend in the corner
of shaded plots.</td>
</tr>
<tr>
<td valign=top class="plaintext"> <a href="ftp://grads.iges.org/grads/scripts/cbar_l.gs">cbar_l.gs</a>
<br>
<a href="ftp://grads.iges.org/grads/scripts/cbar_line.gs">cbar_line.gs</a>
<br>
<a href="ftp://grads.iges.org/grads/scripts/cbar_line2.gs">cbar_line2.gs </a><br> </td>
<td class="plaintext">Scripts to draw a legend for line graphs.</td>
</tr>
<tr>
<td valign=top class="plaintext"> <a href="ftp://grads.iges.org/grads/scripts/cmap.gs">cmap.gs</a><br> </td>
<td class="plaintext">Creates a color table. See additional <a href="ftp://grads.iges.org/grads/scripts/cmapdoc">documentation</a>.</td>
</tr>
<tr>
<td valign=top class="plaintext"> <a href="ftp://grads.iges.org/grads/scripts/connect_the_dots.gs">connect_the_dots.gs</a><br> </td>
<td class="plaintext">Draws a line connecting user's mouse clicks.</td>
</tr>
<tr>
<td valign=top class="plaintext"> <a href="ftp://grads.iges.org/grads/scripts/define_colors.gs">define_colors.gs</a><br> </td>
<td class="plaintext">Defines a variety of colors using the <a href="gradcomdsetrgb.html"><span class="code">set
rgb</span></a> command.</td>
</tr>
<tr>
<td valign=top class="plaintext"> <a href="ftp://grads.iges.org/grads/scripts/defval_demo.gs">defval_demo.gs</a><br> </td>
<td class="plaintext">Illustrates the use of <a href="gradcomdquery.html"><span class="code">q
defval</span></a> and <a href="gradcomdsetdefval.html"><span class="code">set
defval</span></a> commands. </td>
</tr>
<tr>
<td valign=top class="plaintext"><a href="ftp://iges.org/grads/scripts/draw_pdsi.gs">draw_pdsi.gs</a></td>
<td class="plaintext">Demonstrates a way to use the shapefile interface in GrADS by drawing the Palmer Drought Severity Index (PDSI) values for U.S. climate divisions.</td>
</tr>
<tr>
<td valign=top class="plaintext"> <a href="ftp://grads.iges.org/grads/scripts/font.gs">font.gs</a><br> </td>
<td class="plaintext">Displays all the characters in a font set.</td>
</tr>
<tr>
<td valign=top class="plaintext"> <a href="ftp://grads.iges.org/grads/scripts/isen.gs">isen.gs</a><br> </td>
<td class="plaintext">Displays a field interpolated to a specified isentropic
level.</td>
</tr>
<tr>
<td valign=top class="plaintext"> <a href="ftp://grads.iges.org/grads/scripts/lats4d.gs">lats4d.gs</a><br> </td>
<td class="plaintext">Writes NetCDF, HDF-SDS or GRIB files from GrADS. See
additional <a href="http://dao.gsfc.nasa.gov/software/grads/lats4d/">documentation</a>.</td>
</tr>
<tr>
<td valign=top class="plaintext"><a href="ftp://grads.iges.org/grads/scripts/makebg.gs">makebg.gs</a></td>
<td class="plaintext">Creates a background map image that shows topographic
texture. It requires a DODS-enabled version of GrADS and also uses the external
ImageMagick utility "combine".</td>
</tr>
<tr>
<td valign=top class="plaintext"> <a href="ftp://grads.iges.org/grads/scripts/map.gs">map.gs</a><br> </td>
<td class="plaintext">Automates settings for a variety of useful map projections.</td>
</tr>
<tr>
<td valign=top class="plaintext"> <a href="ftp://grads.iges.org/grads/scripts/mconv.gs">mconv.gs</a><br> </td>
<td class="plaintext">Calculates moisture convergence.</td>
</tr>
<tr>
<td valign=top border=1 class="plaintext"><a href="ftp://grads.iges.org/grads/scripts/meteogram_eta.gs">meteogram_eta.gs</a><br>
<a href="ftp://grads.iges.org/grads/scripts/meteogram_gfs.gs">meteogram_gfs.gs</a><br>
<a href="ftp://grads.iges.org/grads/scripts/meteogram_gfsb.gs">meteogram_gfsb.gs</a></td>
<td class="plaintext">These scrips draw meteograms based on NCEP forecast
data, which is accessed through the GrADS-DODS Server. You must use a DODS-enabled
version of GrADS for these scripts to work. </td>
</tr>
<tr>
<td valign=top class="plaintext"><a href="ftp://grads.iges.org/grads/scripts/narropen.gs">narropen.gs</a></td>
<td class="plaintext">This script uses command line arguments to build a data descriptor file to open pre-projected (lambert conformal) NARR netCDF data in GrADS (version 1.9b4 or later). </td>
</tr>
<tr>
<td valign=top class="plaintext"> <a href="ftp://grads.iges.org/grads/scripts/panels.gsf">panels.gsf</a>
and<br>
<a href="ftp://grads.iges.org/grads/scripts/panels_demo.gs">panels_demo.gs</a> </td>
<td class="plaintext">Scripts to create global variables that contain the
'set vpage' commands for a multi-panel plot. These also illustrate the <a href="gsf.html">dynamic
loading of script functions</a>.</td>
</tr>
<tr>
<td valign=top class="plaintext"> <a href="ftp://grads.iges.org/grads/scripts/script_math_demo.gs">script_math_demo.gs</a><br> </td>
<td class="plaintext">Illustrates the use of the scripting language math funcitons.</td>
</tr>
<tr>
<td valign=top class="plaintext"> <a href="ftp://grads.iges.org/grads/scripts/pinterp.gs">pinterp.gs</a><br> </td>
<td class="plaintext">Displays a field interpolated to a specified pressure
level.</td>
</tr>
<tr>
<td valign=top class="plaintext"> <a href="ftp://grads.iges.org/grads/scripts/plotskew.gs">plotskew.gs</a><br> </td>
<td class="plaintext">Draws a SkewT/LogP Diagram.</td>
</tr>
<tr>
<td valign=top class="plaintext"><a href="ftp://grads.iges.org/grads/scripts/rgb255.gs">rgb255.gs</a></td>
<td class="plaintext"><span class="style1">(Version 2.0.a6) </span>Defines a set of rainbow colors and draws a demo plot; uses <a href="ftp://grads.iges.org/grads/scripts/cbarm.gs">cbarm.gs</a> to draw a color bar</td>
</tr>
<tr>
<td valign=top class="plaintext"><a href="ftp://grads.iges.org/grads/scripts/sdfopent.gs">sdfopent.gs</a></td>
<td class="plaintext">This script simulates the old 3-arg sdfopen for templating</td>
</tr>
<tr>
<td valign=top class="plaintext"> <a href="ftp://grads.iges.org/grads/scripts/stack.gs">stack.gs</a><br> </td>
<td class="plaintext">Delays display while command sequence is entered by
user, then executes all at once.</td>
</tr>
<tr>
<td valign=top class="plaintext"> <a href="ftp://grads.iges.org/grads/scripts/string.gs">string.gs</a><br> </td>
<td class="plaintext">Draws a string located at position of user's mouse click.</td>
</tr>
<tr>
<td valign=top class="plaintext"> <a href="ftp://grads.iges.org/grads/scripts/sweat_index.gs">sweat_index.gs</a><br> </td>
<td class="plaintext">Calculates the SWEAT Index given relative humidity,
temperature, and wind components.</td>
</tr>
<tr>
<td valign=top class="plaintext"> <a href="ftp://grads.iges.org/grads/scripts/traj.gs">traj.gs</a><br> </td>
<td class="plaintext">Draws forward and backward trajectories in the horizontal
plane.</td>
</tr>
<tr>
<td valign=top class="plaintext"> <a href="ftp://grads.iges.org/grads/scripts/use.gs">use.gs</a><br> </td>
<td class="plaintext">Similar to <a href="gradcomdopen.html"><span class="code">open</span></a>
except it checks the list of current files to see if the specified file
has already been opened. If it has been opened, it changes the default file
number to the previously opened file instead of opening the same data file
again. </td>
</tr>
<tr>
<td valign=top class="plaintext"> <a href="ftp://grads.iges.org/grads/scripts/wxsym.gs">wxsym.gs</a><br> </td>
<td class="plaintext">Displays available weather symbols.</td>
</tr>
<tr>
<td valign=top class="plaintext"> <a href="ftp://grads.iges.org/grads/scripts/xanim.gs">xanim.gs</a><br> </td>
<td class="plaintext">Controls an animated display.</td>
</tr>
<tr>
<td valign=top class="plaintext"> <a href="ftp://grads.iges.org/grads/scripts/zinterp.gs">zinterp.gs</a><br> </td>
<td class="plaintext">Displays a field interpolated to a specified height
level.</td>
</tr>
<tr>
<td valign=top class="plaintext"> <a href="ftp://grads.iges.org/grads/scripts/zoom.gs">zoom.gs</a><br> </td>
<td class="plaintext">A simple way to zoom into a plot. </td>
</tr>
</table>
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