ane0 = createPlane(p0, n0);

<span class="comment">% draw the plane, changing its color</span>
drawPlane3d(plane0, <span class="string">'g'</span>);
</pre><img vspace="5" hspace="5" src="demoGeom3d_02.png" alt=""> <h2>Compute intersections<a name="5"></a></h2><pre class="codeinput"><span class="comment">% compute intersection between 2 planes</span>
line = intersectPlanes(plane0, plane);
drawLine3d(line, <span class="string">'lineWidth'</span>, 2);

<span class="comment">% compute intersection between a pla