Three-dimensional digital earth platform construction method suitable for hydraulic engineering application
A water conservancy engineering, three-dimensional digital technology, applied in electrical digital data processing, special data processing applications, 3D modeling, etc., can solve problems such as lack of water conservancy engineering features, difficulty meeting water conservancy engineering application requirements, and spending a lot of energy. Achieving the effect of high-precision texture effects
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[0025] The three-dimensional digital earth platform construction method suitable for water conservancy engineering application of the present invention comprises the following steps:
[0026] 1. Build a resource manager to support data resources;
[0027] The data resources include: 1. image data, including latitude and longitude coordinates in tiff format, and tile numbering in jpg format; 2. terrain data, including latitude and longitude coordinates in tiff format, and tile numbering in raw format; 3. 3D models; 4. , vector annotation;
[0028] In order to meet the requirements of hydraulic engineering applications for terrain accuracy and terrain scalability, the terrain data is stored using a three-dimensional terrain compression algorithm, and the three-dimensional terrain compression algorithm includes:
[0029] a. Terrain tile segmentation: project the global terrain data according to latitude and longitude, and divide it into two root nodes, the eastern hemisphere and...
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