https://wiki.blender.jp/index.php?action=history&feed=atom&title=%E5%88%A9%E7%94%A8%E8%80%85%3AWitt%2FGSoC2017%2FReports%2Fweekly11 2026-04-20T09:16:00Z このウィキのこのページに関する変更履歴 MediaWiki 1.31.0 https://wiki.blender.jp/index.php?title=%E5%88%A9%E7%94%A8%E8%80%85:Witt/GSoC2017/Reports/weekly11&diff=153703&oldid=prev 2018-06-28T21:23:04Z

<p>1版 をインポートしました</p> <table class="diff diff-contentalign-left" data-mw="interface"> <tr class="diff-title" lang="ja"> <td colspan="1" style="background-color: #fff; color: #222; text-align: center;">← 古い版</td> <td colspan="1" style="background-color: #fff; color: #222; text-align: center;">2018年6月28日 (木) 21:23時点における版</td> </tr><tr><td colspan="2" class="diff-notice" lang="ja"><div class="mw-diff-empty">(相違点なし)</div> </td></tr></table>

Yamyam https://wiki.blender.jp/index.php?title=%E5%88%A9%E7%94%A8%E8%80%85:Witt/GSoC2017/Reports/weekly11&diff=153702&oldid=prev 2017-08-13T15:11:00Z

<p>‎<span dir="auto"><span class="autocomment">Weekly Report #11 - Silhouette Operator</span></span></p> <p><b>新規ページ</b></p><div>=Weekly Report #11 - Silhouette Operator=<br /> Week 11 is now over and the deadline approaches rapidly. With only two weeks to go, the Silhouette Operator needs to be done soon. <br /> At the end of last week I had multiple issues and problems. Finding solutions for them was the first thing I did this week.<br /> <br /> ==The mesh problem==<br /> In sculpting mode operations manipulate the base mesh structure. Without Bmesh it is a challenge to edit the topology. After discussing, we came to the conclusion that it is best to manipulate the mesh via the CustomData Api. I was able to implement a function which remaps the customdata arrays and allows the necessary behaviour. I only need to design an undo/redo node to support those changes. <br /> <br /> ==The orthographic matrix==<br /> I was able to get the correct projections by first projecting onto an orthographic plane and then project to 2D.<br /> <br /> After solving both problems I continued to work on the intersection calculation.<br /> Last week i had already implemented a method to calculate the intersecting parts within the existing mesh. Relying on the result of this I designed an algorithm to calculate the intersecting edges of the silhouette parts. <br /> Even though the algorithm delivers a precise result it is currently very slow. I am hoping that i will be able to improve its performance in a later optimisation step. <br /> <br /> The idea is: Calculate two loops. One loop on the existing mesh and one loop on the silhouette. Then connect both loops smoothly while still passing the precise intersection loop. <br /> Today i started to implement a method to calculate the interior and exterior vertices. In theory i can easily implement a clipping tool by just flipping interior and exterior. A later subtractive mode for the tool will be rather quick to implement. <br /> <br /> The Plan is set and I hope I will be able to finish implementing this feature as soon as possible!<br /> <br /> Here is a small graphic to illustrate the current development status:<br /> {{clr}}<br /> [[File:Silhouette_operator_demo_week11.png|600px]]</div>

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