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Mar 22, 2022What is the difference between TDOM and DOM?
TDOM is called true projection image, which eliminates the projection error of the building, and only the top of the building can be seen, and there will be no occlusion between buildings. DOM is called orthophoto. It does not eliminate the projection error of the building. The building is inverted, and high-rise buildings often cover low-rise buildings. There are difference between TDOM and DOM. More > -
Mar 22, 2022
Introduction to Geospatial Data Management
This article provides a very brief introduction to geographic information systems (GIS) technology and the unique kinds of GIS data files that enable such technology. More > -
Mar 22, 2022
Feiyan Remote Sensing Organized Comprehensive and Systematic Training to Improve the Professional
Recently, feiyan Remote sensing held a large-scale employee training in the headquarters, invited the directors of each branch to participate in the training, and organized the examination. More > -
Mar 22, 2022
Lidar Forest Survey, Incomparable Advantages
In recent years, LiDAR forest survey has attracted more and more people's attention. However, the hotter this new technology is, the more it needs to be understood from all aspects calmly. More > -
Mar 22, 2022
The Riegl Vq-1560i Airborne Laser Lidar Lived up to Expectations
The ninth China surveying and mapping geographic information technology equipment expo has been successfully concluded. More > -
Mar 22, 2022
What is DOM in mapping 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. More >
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