metric data <span style="font-style: italic;">Signal=f(x,y,z)</span>
can also be displayed as iso-surfaces or semi-transparent volumes, such
as in the following example:<br>
<pre style="margin-left: 40px;">&gt;&gt; [x,y,z,v]=<span style="color: rgb(51, 102, 255);">flow</span>; c=<span style="color: rgb(51, 102, 255);">iData</span>(x,y,z,v); <span style="color: rgb(51, 102, 255);"></span>;<br>&gt;&gt; <span style="color: rgb(51, 102, 255);">plot</span>(c);<br></pre>
The default plotting method used is an iso