Preface

With the continuous progress of computer technology, microelectronics technology, space technology, communication technology and information technology, surveying and mapping instruments and equipment are constantly updated, and profound changes have taken place in the field of surveying and mapping technology. From the collection, processing and management of data to the storage and output of data, we are constantly moving towards the direction of automation, digitization, integration and scientization. GPS technology, RS technology, GIS technology and digital mapping technology have been widely used in various fields of national economic construction. At present, the traditional surveying and mapping technology is still widely used, and the basic principle, basic method and basic operation process are basically unchanged. In the transformation period of new and old instruments, new and old methods and new and old surveying and mapping technology, the key means to improve efficiency is to keep up with the pace of technological development.
    The development of modern surveying and mapping discipline requires that surveying and mapping workers should not only study and research in this discipline and the scope of this specialty, but also broaden the scope of professional knowledge, and more combine the theory and technology learning of other disciplines beyond this specialty and even other disciplines that seem not to be very relevant. In this regard, the first condition is to have a comprehensive and systematic understanding of the research content, theory, advanced technology and methods, discipline development and tasks of the discipline. Only by “accumulating widely and developing thinly” can we deeply study surveying and mapping technology and theory, innovate subject content and promote the development of surveying and mapping subject.

前 言

随着计算机技术、微电子技术、空间技术、通讯技术和信息技术的不断进步，测绘仪器设备不断更新换代，测绘技术领域也发生了深刻变化。从数据的采集、处理和管理，到数据的存储、输出，不断向自动化、数字化、集成化、科学化的方向迈进， GPS 技术、 RS 技术、 GIS 技术、数字化测绘技术已经广泛地应用于国民经济建设的各个领域之中。目前，传统的测绘技术仍被大量使用，基本原理、基本方法、基本操作过程大体未改变，在新老仪器、新老方法、新老测绘技术的转换时期，紧跟技术发展的步伐才是提升效益的关键手段。
     现代测绘学科的发展，要求测绘工作者，不应仅局限于本学科及本专业范围的学习和研究，还要拓宽专业知识面，要更多地结合本专业以外的甚至其它似乎不太相关的学科理论及技术的学习。对此，首要的条件是必须全面而系统地了解本学科的研究内容及理论、先进技术及方法、学科发展和任务。“广积而薄发”才能深层次地研究测绘技术和理论，创新学科内容，推动测绘学科的发展。