Large-scale scene virtual sky modeling method under condition of multi-viewpoint multi-view-angle view field displaying
A technology for displaying conditions and modeling methods, applied in the field of virtual sky modeling, which can solve the problems of limited application range, poor real-time performance of scenes, difficulty in achieving realism, etc., and achieve the effect of saving drawing time
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Embodiment 1
[0091] In the modeling software Creator, the terrain whose side length L is the default value of 111120 meters is generated; in the three-dimensional modeling software 3Dmax, R=L / 2=55560 meters, H=R=55560 meters to construct a composite sky column, and the lower part of the cylinder At H / 3 (0m-18520m height), the background color of the texture map is selected as a typical value: RGB value (126, 156, 192), light blue with a brightness of 150, and a cloud image on it; the upper part of the cylinder is H / 3 places (37040m-55560m height), the background color of the texture map is selected with typical values: RGB value (14, 36, 148), dark blue with a brightness of 76, and white star spots on it; H / 3 in the middle of the cylinder (18520m-37040m), choose an image with the characteristics of transition from the background color of the image at H / 3 in the lower part of the cylinder to the background color of the image at H / 3 in the upper part of the cylinder as the texture map, with ...
Embodiment 2
[0095]Parameters L, R, H can be increased according to requirements, but the relationship of L=2R should be maintained. A terrain with side length L=80,000 meters is generated in the modeling software Creator; a composite sky column is constructed with R=L / 2=R=40,000 meters and H=51,000 meters in the three-dimensional modeling software 3Dmax. At H / 3 of the lower part of the cylinder (height of 0m-17000m), the texture map uses an image with the RGB value of (155, 179, 206) as the background color. This value is passed under the condition of the typical value color (126, 156, 192) , adjust the brightness value from 150 to 170 to obtain a cloud-free image; at the upper part of the cylinder at H / 3 (34000m-51000m height), the background color of the texture map is an image with the RGB value of (16, 43, 165) as the background color , this value is obtained by adjusting the brightness value from 76 to 85 under the condition of typical value color (14, 36, 148), with white star spots...
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