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- Research on the Electronic Topographic Map Symbol System 电子地形图符号体系的研究
- Application Studying on Topographic Map Symbols List of Beijing 北京市地形图图式应用研究
- topographic map symbol 地形图符号
- Almost all designs in city planning are made on topographic map. 摘要城市规划中的各项规划设计总图，几乎全部是在地形图上编制的。
- topographic map symbols 地形图图式
- Contour A Contour chart provides a 2-D view of the Surface chart from above, similar to a 2-D topographic map. 曲面图(俯视)曲面图(俯视)是俯视曲面图得到的类似于二维地质地图的二维视图。
- As in a topographic map, colors and patterns indicate areas that are in the same range of values. 就像在地形图中一样,颜色和图案表示具有相同取值范围的区域。
- The result of the experiment shows that,not only the electronic map symbol library matches the users' visual perception,but also the symbol meets ... 实验结果表明,研制的电子地图符号库不仅符合用户的视觉感受,而且完全符合电子地图的显示要求。
- The analysts drew the results as vectors on a big topographic map for firefighters to see. 这些分析师在大张的地形图上以向量绘制出结果，方便消防人员理解。
- Map symbol with fine quality is the precondition that enrich map content, tone up the legibility of map, convenient for editing of map. 高质量的地图符号是丰富地图内容、增强地图的易读性和便于地图编绘的必要前提。
- In topographic map view, users can scroll vertically, horizontally and now also along the route as they wish. 在地形图认为，用户可以滚动垂直，水平，现在还沿途，他们希望.
- Map vectorization is one of primary ways to capture digital spacial information from topographic map . 地形图的矢量化是获取数字地理信息的主要途径之一。
- Basic mapping is topographic mapping made from new surveys. 基本地图就是地形图,它是根据新的实测成果制作的。
- Combining production practise, This article introduces the total process to make large scale digital line topographic map by means of digital photogrammetric workstation( DPW). 结合生产实例介绍了利用数字摄影测量工作站DPW测制大比例尺数字线划图的全过程，并分析了数字线划图所能达到的实际精度。
- Our experiments show that the photogrammetry with digital camera has a better precision and the large scale topographic map and orthograph can be produced with it. 试验证明利用数码相机进行摄影测量精度很高，能够用来测制大比例尺地形图和正射影像图。
- Like a topographic map, the colors and patterns in a Surface chart indicate areas that contain the same range of values. 好像一张地质学的地图,曲面图中的颜色和图案表明具有相同范围的值的区域。
- The poll revealed over three quarters of British drivers were unable to identify the motorway map symbol, while only one percent of motorists would pass the Cub Scout Map Reader test. 该调查发现，英国超过四分之三的司机不会辨认公路地图图标，仅有1%25的司机能通过“童子军认图测试”。
- This paper introduces two methods to construct topographic map spatio-temporal database:current state keeping form and data appending form. 介绍了实际工作中经常遇到的地形图时空数据建库方法:保持现状式和数据追加式。
- Orthophotographs usually do not include contours as shown on topographic maps. 正射摄影象片一般不带像地图所表示的等高线。
