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<h1>RSL_get_linear_value</h1>
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<h3>Synopsis</h3>
<b>#include "rsl.h"</b> <br>
<b>float RSL_get_linear_value(<a href=RSL_volume_struct.html>Volume</a> *v, float srange, float azimuth, float elev, float limit);</b>
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<h3>Description</h3>
Find a linearly interpolated value in the Volume, <b>v</b>, at the polar coordinate specification (srange, azimuth, elev). The four surrounding data values that are azimuthally within +/- <b>limit</b> degrees are used for the interpolation. <b>Limit</b> is measured in degrees. <b>Srange</b> is the slant range in KM. <b>Azimuth</b> and <b>elev</b> are measured in degrees.
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<h3>Return value</h3>
Upon successful completion, a valid floating point number is returned. Note, the value could be BADVAL.
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<h3>See also</h3>
<a href="RSL_get_value.html">RSL_get_value</a>
<hr>Author: <a href=dennis.flanigan.html>Dennis Flanigan, Jr.</a>
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