基于三维激光扫描技术的建筑外立面测绘方法

Building Facade Elevation Surveying Based on Three-dimensional Laser Scanning Technology

随着建筑外立面改造项目不断加速,外立面测绘工作逐渐增多。三维激光扫描技术以其高效、高精度的特点,成为一种便捷的测绘方式。对三维激光扫描技术的原理和用于建筑立面测绘的思路、流程和方法进行了研究和分析。对生产过程中涉及到资料的准备、控制网的建立、数据的采集、数据的处理、成果的检核和补测等工艺进行了详细分析。结合工程项目对三维激光扫描技术的立面测绘精度进行了验证,对该方法应用中的注意事项、优缺点及适用范围进行了研究分析和总结。

With the continuous acceleration of building facade transformation projects,outside elevation surveying work is gradually increasing.three-dimensional laser scanning technology has become a convenient surveying method due to its high efficiency and high precision.The principle of three-dimensional laser scanning technology and the idea,flow and method of building elevation surveying are studied and analyzed.The production process involves the preparation of data,the establishment of control network,the collection of data,the processing of data,the inspection of the results and the retest of technology are analyzed in detail.The precision of three-dimensional laser scanning technology for elevation surveying is verified by engineering project.