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<title>GrADS command: query shpopts</title>
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<H2><B>q shpopts</B></H2>
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<code>q shpopts<i> </i></code>
<p>
Lists the current settings for drawing and writing out shapefiles.<br>
<codoe>
<br>
<h3>Usage Notes</h3>
<p>This command is available with GrADS version 2.0.a9 or later.</p>
<p>The <code><a href="gradcomdclear.html">clear shp</a></code> command releases all user-defined shapefile attributes from memory, and resets the output filename root and shapefile type to their default values. The <code><a href="gradcomdreset.html">reset</a></code> and <code><a href="gradcomdreinit.html">reinit</a></code> commands will do the same thing -- use <code><a href="gradcomdclear.html">clear shp</a></code> if you do not want to reset all the other user settings. </p>
<p>Please see the documentation page on <a href="shapefiles.html">shapefiles</a> for more details. </p>
<p> </p>
<h3>Examples </h3>
<p>This example shows the default values: <br>
<pre>ga-> <a href="gradcomdreinit.html">reinit</a>
ga-> <a href="gradcomdqshpopts.html">q shpopts</a>
Settings for drawing shapefiles:
polygon fill color: -1
mark type: 3
mark size: 0.05
Settings for writing shapefiles:
output filename root: grads
output type: line
format string: %12.6f
</pre>
<p>This example shows how to set and query shapefile options: <br>
<pre>ga-> <a href="gradcomdsetshpopts.html">set shpopts</a> 15
ga-> <a href="gradcomdsetshp.html">set shp</a> -pt -fmt 8 4 pointshp
ga-> <a href="gradcomdsetshpattr.html">set shpattr</a> Author string JMA
ga-> <a href="gradcomdsetshpattr.html">set shpattr</a> Date string 2010-05-23
ga-> <a href="gradcomdsetshpattr.html">set shpattr</a> pi double 3.14159
ga-> <a href="gradcomdqshpopts.html">q shpopts</a>
Settings for drawing shapefiles:
polygon fill color: 15
mark type: 3
mark size: 0.05
Settings for writing shapefiles:
output filename root: pointshp
output type: point
format string: %8.4f
attributes:
Author: JMA
Date: 2010-05-23
pi: 3.1416
</pre>
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