Method for high-efficiency rendering of mass high-precision three-dimensional electric power equipment models in GIS
A power equipment, high-precision technology, applied in image data processing, 3D image processing, instruments, etc., can solve problems such as the inability to achieve efficient rendering of massive 3D models, and achieve the effect of saving capital investment, facilitating management, and shortening distances
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[0028] The present invention is aimed at two types of power equipment models of power plants, power stations, and electric towers, which have high density and high precision. Using programmable pipeline technology, window cutting technology and LOD technology, the three-dimensional space index inside the model is established to achieve model accuracy, visual effects and rendering Balance of efficiency.
[0029] The spatial distribution characteristics of the 3D power equipment model are: high local density, high precision, and overall discrete distribution. In the visualization process of massive 3D power models, based on the 2D and 3D integrated object index of power grid objects in the database, and the pyramid organization control scheme based on the power grid area, a spatial index in three directions is established to realize a control scheme that conforms to human visual experience.
[0030] Based on the above layering, the comprehensive rendering optimization of the pow...
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