High-accuracy engineering three-dimensional terrain making method based on BIM cross-platform technology
A technology of three-dimensional terrain and production methods, applied in the field of BIM (Building Information Modeling), can solve the problems of low engineering three-dimensional terrain accuracy, affecting the quality of engineering design, distortion, etc., and achieve the effect of promoting application and development, improving design quality and display effect.
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[0041] The embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. This embodiment is implemented on the premise of the technical solution of the present invention, and detailed implementation methods and specific operating procedures are provided, but the scope of protection of the present invention is not limited to the following Described embodiment.
[0042] The high-precision engineering three-dimensional terrain production method based on BIM cross-platform technology described in the present invention is now described in detail by taking a 1:10,000 low-precision CAD topographic map of a mountainous area with a length and width of 6.3 km as a specific example:
[0043] Such as figure 2As shown, the low-precision CAD topographic map requires key features including two roads 1.1 and 1.2 , a river ditch 2 , a channel 3 and a pond 4 . These ground features are only displayed as the surrounding environment of the...
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