重点研究三维地形可视化、交互式生成过程中，对地形编辑点的拾取问题。
This article put study emphases on picking up technique during the process of 3D-terrain (visualization) and interaction creation.
根据初至波特点，基于数字图像处理技术，提出了应用边缘检测和边缘追踪技术进行初至波自动拾取的方法。该方法的实现过程为：①对地震记录做单道归一化处理；
The digital image processing such as edge detection and boundary tracing to pick up the first break time is discussed in this paper, which based on the specialty of first break time.
该方法通过建立对象缓冲区来识别所要拾取的元素，目前已在CAD软件开发过程中予以应用。
The method distinguishes elements by Object-Buffer, and has been used during the development of CAD system.
应用推荐