This paper introduce the topographic map computer identify and input system applied in engineering.
本文介绍了用于工程的地形图计算机识别和录入系统。
Aiming at the existed problem of sparsing elevation points in traditional topographic map generalization, this paper presented the sparsing method for elevation points based on feature points.
针对传统地形图缩编中高程点抽稀存在的问题，提出基于特征点的高程点抽稀的方法，使用此方法一方面可以保留特征点处的高程点，另外可以实现高程点的自动抽稀。
This paper discusses the method of digital mapping in surveying and mapping of topographic map by employing an actual example.
通过工程实例介绍了数字化成图技术在水库库区地形图测绘中的应用。
This paper discusses the renewable method of mine topographic map of underground mining.
论述了井下开采矿井矿用地形图的更新方法。
The paper discuses the methods of judging the quality of topographic map composed of various factors power integrative on the frame of quality tree.
探讨了以质量树为框架，综合评判确定各因素权重的地形图质量综合评判方法。
In this paper, it is discussed how to design topographic map intelligent generalization system, based on cartographic data bank.
本文论述了在地图数据库的基础上如何进行地形图智能综合系统的设计。
The main function of SURFER software has been introduced and an example of applying the software on drawing topographic map of soil temperature-time has been given in this. paper.
本文介绍了SURFER软件的主要功能及其在水平衡研究中绘制土壤湿度时间等值线图中的应用。
This paper discussed in detail algorithm of geometric rectification by scanned topographic map based on teaching model with least squares method to heighten image quality and data accuracy.
针对扫描矢量化这一数据采集手段，以提高图像质量、数据精度为目的，以教学模型为基础，利用最小二乘原理，详细讨论了扫描后的地形图几何纠正算法。
This paper discusses the method of digital mapping in surveying and mapping of topographic map by an actual example.
通过工程实例介绍了数字化成图技术在水库库区地形图测绘中的应用。
Based on the measurement, this paper presents, at the same time, a new algorithm for extracting features with symmetric figure on scanned topographic map.
同时提出了基于图象匹配量度的扫描地形图中对称形状要的素提取算法。
This paper discusses the algorithm of texture mapping based-on topographic map to produce the 3d images.
讨论了一种基于地形图的纹理映射算法，用以生成地形表面的三维图形。
This paper discusses the algorithm of texture mapping based-on topographic map to produce the 3d images.
讨论了一种基于地形图的纹理映射算法，用以生成地形表面的三维图形。
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