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<title>Define the viewer's position with polar coordinates</title>
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<h1 class="refname">swf_polarview</h1>
<p class="verinfo">(PHP 4)</p><p class="refpurpose"><span class="refname">swf_polarview</span> — <span class="dc-title">Define the viewer's position with polar coordinates</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.swf-polarview-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type"><span class="type void">void</span></span> <span class="methodname"><strong>swf_polarview</strong></span>
( <span class="methodparam"><span class="type">float</span> <code class="parameter">$dist</code></span>
, <span class="methodparam"><span class="type">float</span> <code class="parameter">$azimuth</code></span>
, <span class="methodparam"><span class="type">float</span> <code class="parameter">$incidence</code></span>
, <span class="methodparam"><span class="type">float</span> <code class="parameter">$twist</code></span>
)</div>
<p class="para rdfs-comment">
The <span class="function"><strong>swf_polarview()</strong></span> function defines the
viewer's position in polar coordinates.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.swf-polarview-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<span class="term"><em><code class="parameter">dist</code></em></span>
<dd>
<p class="para">
The distance between the viewpoint to the world space origin.
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">azimuth</code></em></span>
<dd>
<p class="para">
Defines the azimuthal angle in the x,y coordinate plane, measured in
distance from the y axis.
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">incidence</code></em></span>
<dd>
<p class="para">
Defines the angle of incidence in the y,z plane, measured in distance
from the z axis. The incidence angle is defined as the angle of the
viewport relative to the z axis.
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">twist</code></em></span>
<dd>
<p class="para">
Specifies the amount that the viewpoint is to be rotated about the
line of sight using the right hand rule.
</p>
</dd>
</dt>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.swf-polarview-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
No value is returned.
</p>
</div>
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