三維多層次分割曲面模型技術之研究

Study on Three Dimensional Multi-level Splited Surface

盧定乾(Ting-Chien Lu)

《臺南應用科大學報》 32期 (2013/10) Pp. 37-48

摘要

逆向工程通常以立體掃描的點雲或三角網格作為模型儲存的主要原生格式，伴有資料量龐大及表面雜訊擾動等缺點，導致不容易作外型造型編輯修改，也不利於網路傳送與行動裝置的顯示。本文著眼此點，提出利用「階層式架構三維多層次分割曲面」，將逆向掃描後原始的三角網格立體模型，經由拓樸網格的建立，轉換為以Bezier曲面為基礎的階層曲面模型，使原始的三維模型的資料量有效率的大幅縮減，同時保有細部形狀，有利於雲端的儲存、傳輸與後續的修改重構。

關鍵字

逆向工程 ； 網格 ； 曲面

並列摘要

Reverse engineering is usually use three dimensional scanned point cloud or triangular meshes model to main native storage format. But accompanied by large volumes of data and surface noise disturbance and other shortcomings, cause to no easier for the form and shape edit, and are not conducive to the network and the display of mobile devices.This article focus on this point, proposed the ”hierarchical structure of three-dimensional multi-level splinted surface”. Reverse scan of the original triangular mesh solid models, through the establishment of topological mesh, convert surface model based on the Bezier surface model. The original three dimensional models are efficiency reduced the amount of data and retain detail shapes, conducive to cloud storage, transfer and reconstruction of subsequent modifications.

並列關鍵字

reverse engineering ； mesh ； surface