The 3d images from LRO orbital photography are being used to make an exact digital topographic map of the moon, and this is fact may tweak the mean elevation value.
LRO轨道摄影机拍摄的3d图像被用作制作月球精确数字地形图，而这可能会调整平均高度值。
In this paper, the methods of drawing contour line from terrain map, the vector of contour line and generating elevation data from vector data are discussed.
论述了从地形图中提取等高线、对等高线矢量化以及通过矢量数据生成高程数据的实现方法。
Interferometric Synthetic Aperture Radar is an effective technique to get Digital Elevation Model and orthophoto map.
干涉合成孔径雷达是获取场景数字高程模型和正射影像图的有效技术之一。
A single measure of elevation (one pixel) on the map is roughly the size of two football pitches placed side-by-side.
地图上单单一个标高测量图(一个像素)就大约有两个足球场并排拼起来那么大。
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。
Relief map employed by the drawing is1:20006degrees elevation relief map with local coordinates and provided by hydrochina. huadong engineering corporation.
本图所采用地形图是由华东院提供1：2000、6度带地方坐标高程系地形图。
The topographic map contains a large amount of elevation information, and is an important source of DEM data.
地形图中包含了大量的高程信息，是DEM数据的重要的来源。
The system can draw general structural map plan, elevation, cross-sectional map and statistic the total number of concrete projects, which greatly improves design efficiency and equality.
系统实现了一般构造图平面图、立面图、横断面图的绘制以及混凝土工程数量的统计，极大的提高了设计效率和质量。
The water levels and water volumes of the lake in different periods were calculated by using a digital elevation model created by the topographic map.
利用数字高程模型求取易贡湖各时相的水位与水量；
Chapter 3 introduces the method to achieve the gait dataset, and map sagittal elevation angle to joint angle.
第三章介绍了步态运动数据集的获取流程，然后建立起矢状面仰角与关节角的映射机制；
The collected ground true data includes topography map with scale of 1:50 000 and the corresponding Digital Elevation Model (DEM).
收集的地理实况数据包括1：5万的地形图和根据该地形图经数字化处理生成的数字高程模型(dem)。
The collected ground true data includes topography map with scale of 1:50 000 and the corresponding Digital Elevation Model (DEM).
收集的地理实况数据包括1：5万的地形图和根据该地形图经数字化处理生成的数字高程模型(dem)。
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