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用传统的编录方法对高边坡建基岩体进行地质编录，不仅存在工作难度大，工期长，无法满足工程进度要求等缺点，且资料保存困难，复制工作量也大。因此试验研究用制作建基岩体彩色影像图的方法替代传统的编录技术。该项试验是在全天候条件下进行的，分为野外技术和内业处理技术两阶段。野外试验和研究的侧重点是确定投影基准面，像控点及野外快速编录技术。内业处理主要研究用计算机图像处理技术制作岩体彩色影像图。运用该项技术对三峡工程临时船闸闸室建基面进行地质编录，取得了满意的效果，所得岩体彩色影像图，不仅图像清晰、逼真、信息量丰富，整体感强，且资料可保存在计算机光盘里，使用时可直接由彩色喷墨绘图仪输出。
The traditional cataloging method of geological cataloging of rock mass with high slope is not only difficult to work, long duration, unable to meet the requirements of the progress of the project, etc., and the data is difficult to save and the workload of copying is also large. Therefore, the experimental study used the method of making color image of rock mass instead of the traditional recording technique. The test is carried out in all weather conditions, divided into two phases of field technology and internal processing technology. Field experiments and research focused on determining the projection datum, such as control points and field rapid cataloging techniques. The main job of domestic industry processing computer image processing technology for rock mass color image. This technique was applied to the geologic cataloging of the foundation of the Three Gorges Project temporary lock gate chamber and achieved satisfactory results. The obtained color image of the rock mass is not only clear and vivid but also rich in information and strong overall sense, and the data can be stored in Computer CD-ROM, when used directly by the color inkjet plotter output.