三维数字技术在园林测绘中的应用——以假山测绘为例

THE APPLICATION OF DIGITAL 3D TECHNOLOGY IN GARDEN SURVEYS:Rockwork as a Case Study

通过分析传统园林测绘,探讨古代园林图少且不准确的原因,针对近现代测绘不规则的构筑物如池沼、假山等园林图出现的较大偏差问题,提出了运用无人机航拍器和摄影测量技术来测量园林的新观点,并选取结构复杂且不规则的假山为例,进行实地试验性测绘。再通过不同的方法对所得图像资料进行处理并得到平面图和三维模型。总结其相对传统测绘方法的优越性和可行性,为现代园林测绘提供新的理念和方法。

Surveys of gardens are an important tool in management and study of historic gardens and are also a basis for analysis of design.There are a limited number of historical surveys of gardens in China that provide results that can be measured or scaled.Even with modern technologies,survey results of irregular garden features,like rockwork and lakes,show inaccuracies.In order to improve the accuracy in survey,this study used drones and the photogrammetry method.Rockwork in different sites was chosen for its irregular shape.Collected visual materials were analyzed by diverse approaches and obtained survey maps and 3D models.This paper discusses the feasibility of new methods and the superiority compares to conventional approach.It eventually achieves a greater accuracy desirable for garden survey.