Hillshade
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A hillshade is a grayscale 3D representation of the surface, with the sun's relative position taken into account for shading the image. This function uses the altitude and azimuth properties to specify the sun's position. This dataset is the hillshade used as a background of the basemap on geoportail.lu It is a rendering of a smoothed version of the 2013 Height model (DHM). This tool has been used to generate the hillshade: http://desktop.arcgis.com/en/arcmap/10.3/manage-data/raster-and-images/hillshade-function.htm
阴影图是一种考虑太阳相对位置的灰度三维地表表示,用于图像的阴影处理。该功能利用海拔和方位角属性来指定太阳的位置。本数据集即为在 geoportail.lu 地图上用作底图背景的阴影图。它是2013年高度模型(DHM)平滑版本的重现。生成该阴影图所使用的工具可访问:http://desktop.arcgis.com/en/arcmap/10.3/manage-data/raster-and-images/hillshade-function.htm




