利用三维激光扫描测量数据与电脑绘图软件绘制敦煌彩塑

摘要

As cultural relics, the painted statues of Dunhuang should be regarded as a focus of cultural conservation efforts and should not be carelessly touched and moved. However, the complex structure and irregular shape of the statues make it hard to draw pictures in the narrow spaces in which they are confined. Digitization is an important method and aspect of cultural relic conservation, for which reason practical exploration of techniques for drawing accurate archaeological mappings by using digital technology and data is very important. Taking the central statue in Mogao Cave 275 as an example, this paper demonstrates how to measure and duplicate the painted statues of Dunhuang using 3D laser scanning data to accurately draw pictures of the statues in combination with 3D point cloud data, all without making physical contact with the relics.%作为文物的敦煌彩塑需要重点保护，不能随意触碰与移动，但其本身结构复杂，具有不规则性，且所处空间狭小，测绘难度较大。数字化是文物保护工作的重要内容与手段，如何利用数字化手段和成果精确绘制各种考古测绘图需要在实践中逐步探索。本文以莫高窟第275窟主尊（交脚菩萨）为例阐述了利用三维激光扫描测量手段，非接触式测量与三维复制敦煌彩塑，并利用三维点云数据精确绘制彩塑的图纸。