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<span class="mw-headline" style="display:inline;padding-top:75px">Hi </span></h2><div><span class="mw-headline" style="display:inline;padding-top:75px"><a href="http://wiki.blender.org/index.php/User:Apinzonf/progress">http://wiki.blender.org/index.php/User:Apinzonf/progress</a>
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<span class="mw-headline" id="Week_5_Report" style="display:inline;padding-top:75px">Week 5 Report</span></h2><h3 style="font-size:16px;border-bottom-style:none;margin:0px;padding-top:0.5em;padding-bottom:0.17em;overflow:hidden;color:rgb(51,51,51);font-family:'Lucida Grande','Lucida Sans Unicode','Lucida Sans',Lucida,Verdana,sans-serif;line-height:17px;text-align:left;background-color:rgb(238,238,238)">
<span class="editsection" style="display:inline;float:right;margin-left:5px;font-size:12px;font-weight:400">[<a href="http://wiki.blender.org/index.php?title=User:Apinzonf/progress&action=edit&section=19" title="Edit section: What I did this week?" style="color:rgb(34,85,136);text-decoration:none">edit</a>]</span><span class="mw-headline" id="What_I_did_this_week.3F_5" style="display:inline;padding-top:75px">What I did this week?</span></h3>
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I solved the problem with quads that had <a href="http://multires.caltech.edu/pubs/ImplicitFairing.pdf" class="external text" rel="nofollow" style="color:rgb(34,85,136);text-decoration:none">Desbrun, et al</a>, using the paper <a href="http://www.springerlink.com/content/y524204530h2344w/" class="external text" rel="nofollow" style="color:rgb(34,85,136);text-decoration:none">Xiong et al</a>.</p>
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I studied the paper and adapt <a href="http://www.springerlink.com/content/y524204530h2344w/" class="external text" rel="nofollow" style="color:rgb(34,85,136);text-decoration:none">Mean Laplace–Beltrami Operator for Quadrilateral Meshes Xiong et. Al. 2011</a> to work with quads and triangles at same time.</p>
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I implemented the laplacian smoothing for triangles and quads how a modifier</p><p style="color:rgb(51,51,51);font-family:'Lucida Grande','Lucida Sans Unicode','Lucida Sans',Lucida,Verdana,sans-serif;font-size:12px;line-height:1.5em;margin:0.4em 0px 0.5em;text-align:justify;background-color:rgb(238,238,238)">
<tt>MOD_laplaciansmooth.c</tt> and operator <tt>bmo_smooth_laplacian.c</tt>.</p><p style="color:rgb(51,51,51);font-family:'Lucida Grande','Lucida Sans Unicode','Lucida Sans',Lucida,Verdana,sans-serif;font-size:12px;line-height:1.5em;margin:0.4em 0px 0.5em;text-align:justify;background-color:rgb(238,238,238)">
The algorithm in operator <tt>bmo_smooth_laplacian.c</tt> was changed for best performance.</p><p style="color:rgb(51,51,51);font-family:'Lucida Grande','Lucida Sans Unicode','Lucida Sans',Lucida,Verdana,sans-serif;font-size:12px;line-height:1.5em;margin:0.4em 0px 0.5em;text-align:justify;background-color:rgb(238,238,238)">
I added some constraints.</p><p style="color:rgb(51,51,51);font-family:'Lucida Grande','Lucida Sans Unicode','Lucida Sans',Lucida,Verdana,sans-serif;font-size:12px;line-height:1.5em;margin:0.4em 0px 0.5em;text-align:justify;background-color:rgb(238,238,238)">
Soft constraints: each vertex can be weighted according to the desired smoothing that we want.</p><p style="color:rgb(51,51,51);font-family:'Lucida Grande','Lucida Sans Unicode','Lucida Sans',Lucida,Verdana,sans-serif;font-size:12px;line-height:1.5em;margin:0.4em 0px 0.5em;text-align:justify;background-color:rgb(238,238,238)">
Hard constraints: vertices can be constrained along an axis</p><p style="color:rgb(51,51,51);font-family:'Lucida Grande','Lucida Sans Unicode','Lucida Sans',Lucida,Verdana,sans-serif;font-size:12px;line-height:1.5em;margin:0.4em 0px 0.5em;text-align:justify;background-color:rgb(238,238,238)">
I did optimization code and apply coding style with base on <a href="http://wiki.blender.org/index.php/Dev:Doc/CodeStyle" title="Dev:Doc/CodeStyle" style="color:rgb(34,85,136);text-decoration:none">Dev:Doc/CodeStyle</a></p>
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<span class="editsection" style="display:inline;float:right;margin-left:5px;font-size:12px;font-weight:400">[<a href="http://wiki.blender.org/index.php?title=User:Apinzonf/progress&action=edit&section=20" title="Edit section: What you plan to do next week?" style="color:rgb(34,85,136);text-decoration:none">edit</a>]</span><span class="mw-headline" id="What_you_plan_to_do_next_week.3F_5" style="display:inline;padding-top:75px">What you plan to do next week?</span></h3>
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Publish versions for windows and linux and I start working on refine current graphical user integration with the community.</p><p style="color:rgb(51,51,51);font-family:'Lucida Grande','Lucida Sans Unicode','Lucida Sans',Lucida,Verdana,sans-serif;font-size:12px;line-height:1.5em;margin:0.4em 0px 0.5em;text-align:justify;background-color:rgb(238,238,238)">
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<span class="editsection" style="display:inline;float:right;margin-left:5px;font-size:12px;font-weight:400">[<a href="http://wiki.blender.org/index.php?title=User:Apinzonf/progress&action=edit&section=21" title="Edit section: Any roadblocks, difficulties, etc." style="color:rgb(34,85,136);text-decoration:none">edit</a>]</span><span class="mw-headline" id="Any_roadblocks.2C_difficulties.2C_etc._5" style="display:inline;padding-top:75px">Any roadblocks, difficulties, etc.</span></h3>
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The results are very good, and I think in future I will write a paper</p><p style="color:rgb(51,51,51);font-family:'Lucida Grande','Lucida Sans Unicode','Lucida Sans',Lucida,Verdana,sans-serif;font-size:12px;line-height:1.5em;margin:0.4em 0px 0.5em;text-align:justify;background-color:rgb(238,238,238)">
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Att</p><p style="color:rgb(51,51,51);font-family:'Lucida Grande','Lucida Sans Unicode','Lucida Sans',Lucida,Verdana,sans-serif;font-size:12px;line-height:1.5em;margin:0.4em 0px 0.5em;text-align:justify;background-color:rgb(238,238,238)">
Alexander Pinzon Fernandez</p>