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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29  | <!--Copyright (C) 1988-2005 by the Institute of Global Environment and Society (IGES). See file COPYRIGHT for more information.--><title>GrADS Command: set sdfattr</title>
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<H2><B>set sdfattr</B></H2>
<P>
<code>set sdfattr <i>varname attribute_type attribute_name attribute_value</i></code>
<p> Sets attribute metadata to be included in the output file created with the 
  <a href="gradcomdsdfwrite.html"><code>sdfwrite</code></a> command.
<ul>
  <p><code><i>varname</i>           </code>May be set to    "global", "longitude", "latitude", "level",  "time", "ensemble", or <br />
    <code>                  </code>a defined variable name<br>
  <code><i>attribute_type</i></code>       May be one of five data type types (valid aliases in parentheses): <br />
<code>                  </code>"char" (String, Str, Url) <br />
<code>                  </code>"short" (Int16, UInt16)<br />
 <code>                  </code>"int" (long, Int32, UInt32)<br />
<code>                  </code>"float" (Float32)<br />
<code>                  </code>"double" (Float64). <br>
    <code><i>attribute_name</i>    </code>May be any single word or string with no spaces (e.g.: "units", "long_name")<br />
    <code><i>attribute_value</i>   </code>May be any string as long as the length of the entire entry does not exceed 512 characters. <br />
                                        For numeric types, may be a list of comma-delimited numerals. </p>
  </ul>
<p>
<H3>Usage Notes</H3>
<P>This command is  available in GrADS v2.0.a3 or higher. 
<P>The <code><a href="gradcomdreset.html">reset</a></code> command will release all the attributes from memory. To do this without resetting all the other user-specified options, use  the <code><a href="gradcomdclear.html">clear sdfwrite</a></code> command.
<H3>Examples</H3>
<P><code>set sdfattr precip String units mm/day</code><br>
<code>set sdfattr precip String long_name Daily Precipiation </code><br />
<code>set sdfattr precip double actual_range 0,57.5</code>
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