论文部分内容阅读
本文以自动矢量化为例,介绍了AutoCAD R14.0下的图形对象编程技术。同时初步研究了扫描图象自动矢量化的方法、算法等。
AutoCAD下的自动矢量化
【摘 要】
：
本文以自动矢量化为例,介绍了AutoCAD R14.0下的图形对象编程技术。同时初步研究了扫描图象自动矢量化的方法、算法等。
【出 处】
：
江苏测绘
【发表日期】
：
2000年04期
其他文献
Identification and analysis of root causes of desertification in semi-arid region of China──a case s
A case study on the driving forces of desertification in the semi-arid region was carried out in the Ejin Horo Banner of Inner Mongolia. The occurrence and development of desertification were demonstr
期刊
1998’s floods in the Changjiang River and the land use/land cover change in the upper and middle-low
Flood of Changjiang River (the Yangtze) in 1998 is so serious that it arouses our keen concern about its causes. In this paper, the authors bring out a brief history of the flood disaster happened to
期刊
The grading of agroclimatic calamities for assessing mean annual loss rate of crops: a case study in
A mean annual loss rate(MALR) is a measure of the damaging degree of different crops to agroclimatic calamities such as waterlogging, strong win4 hail and dry-hot wind. It is useful for assessing regi
期刊
Study of living fossil of historic cities--taking historic city Ping Yao in world heritage list as a
World Heritage belongs to all the peoples of the world, irrespective of the territory on which they are living. The world heritage list draws attention to the wealth and diversity of the Earths cultur
期刊
Spacial organization on the rural settlements in plain areas—taking Pinghu city in Zhejiang of China
This paper analyses the spacial distribution, quantity-scale, function-structure and facilities from the angle of spacial organizational optimizing theory and sustainable development thought. The auth
期刊
The significance of lake sediments geochemistry in environmental reconstruction of south Hongshan La
A 107cm piston-core (SHC-2) was drilled at the site with water depth of 5m in South Hongshan Lake, northwest Tibet in 1998. Based upon the 0.72cm/a of modern sedimentary rate that was tested by 210Pb
期刊
Simulation of soil erosion dynamics in grassland ecosystem of semi-arid China using the CENTURY mode
Soil erosion can cause considerable effect on global natural resources and eco-environment. In the paper, the CENTURY model has been used to simulate soil erosion in Xilin Gol Grassland of Inner Mongo
期刊
Analysis on areal relationship between regional environment and socioeconomy—taking the Chinese Yell
From the regional view, this paper analyzes the regional difference between the environmental regional structure and the socio-economic structure, establishes the regional connection between them, and
期刊
Sustainable Development Capacity (SDC) is a comprehensive concept. In order to obtain a relatively objective evaluation of it, many indices of various aspects are often used in assessing index systems
期刊
Research on the coordinated utilization of land resource in the intergrated economic region of indus
Baotou City is an industrial city developed in the farming-grazing transitional zone in northern China. The development of industry, farming and grazing is very fast. It has become a typical intergrat
期刊