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  • What is DOM in mapping 4D products?[2020-03-01]

    1. 4D products With the combination and continuous development of mapping technology and computer technology, maps are not limited to previous models. Modern digital maps are mainly composed of DOM, DEM, DRG, DLG and composite models. Mapping 4D products mainly include DOM,...

  • What is lidar point cloud data?[2020-03-01]

    Lidar (laser detection and ranging) is an optical remote sensing technology which mainly USES the laser as the emitting light source and adopts the active remote sensing equipment of photoelectric detection technology. Primarily used in airborne laser mapping applications, it i...

  • What is tilt photography?[2020-03-01]

    Tilt photography is a new and high technology developed in recent years in the field of international remote sensing surveying and mapping. By carrying multiple sensors on the same flight platform and collecting images from different angles such as vertical and tilt, more compl...

  • Aerial photography to understand the status of the ground, photogrammetry[2017-04-24]

    Aerial photography (aerial photography), as a modern means of photography, can overlook things from a height that is difficult for people to reach, and convey a macro image to the audience from a completely liberated perspective, bringing a brand-new visu

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