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update tutorial

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Alec Jacobson
2015-09-24 08:28:56 -04:00
parent 899457a4bf
commit fb4f0dff51
1 changed files with 9 additions and 3 deletions
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@@ -3267,7 +3267,7 @@ iso-surface at value <span class="math">\(v\)</span> is composed of all points <
processing is to extract an iso-surface as a triangle mesh for further
mesh-based processing or visualization. This is referred to as iso-contouring.</p>
<p>&#8220;Marching Cubes&#8221; [lorensen_1987] is a <a href="https://en.wikipedia.org/wiki/Marching_cubes">famous
<p>&#8220;Marching Cubes&#8221; <a class="citation" href="#fn:38" title="Jump to citation">[38]<span class="citekey" style="display:none">lorensen_1987</span></a> is a <a href="https://en.wikipedia.org/wiki/Marching_cubes">famous
method</a> for iso-contouring
tri-linear functions <span class="math">\(f\)</span> on a regular lattice (aka grid). The core idea of this
method is to contour the iso-surface passing through each cell (if it does at
@@ -3286,12 +3286,12 @@ input scalar field <code>S</code> sampled at vertex locations <code>GV</code> of
<figure>
<img src="images/armadillo-marching-cubes.jpg" alt="(Example 705) samples signed distance to the
input mesh (left) and then reconstructs the surface using
marching cubes to counter the 0-level set (center). For comparison, clamping
marching cubes to contour the 0-level set (center). For comparison, clamping
this signed distance field to an indicator function and contouring reveals
serious aliasing artifacts." />
<figcaption>(<a href="705_MarchingCubes/main.cpp">Example 705</a>) samples signed distance to the
input mesh (left) and then reconstructs the surface using
marching cubes to counter the 0-level set (center). For comparison, clamping
marching cubes to contour the 0-level set (center). For comparison, clamping
this signed distance field to an indicator function and contouring reveals
serious aliasing artifacts.</figcaption>
</figure>
@@ -3533,6 +3533,12 @@ pseudonormal</a>,
2005.</p>
</li>
<li id="fn:38" class="citation"><span class="citekey" style="display:none">lorensen_1987</span><p>W.E. Lorensen and Harvey E. Cline. <a href="https://www.google.com/search?q=Marching+cubes:+A+high+resolution+3d+surface+construction+algorithm">Marching cubes: A high
resolution 3d surface construction
algorithm</a>,
1987.</p>
</li>
</ol>
</div>