Urban and rural planning virtual scene construction method and system based on game engine

Abstract

The invention provides an urban and rural planning virtual scene construction method and system based on a game engine, and the method comprises the steps: obtaining an oblique photography model and an orthophoto map of a target region through an unmanned plane oblique photography technology, and further obtaining a DEM digital elevation model and a ground object classification result; an initial terrain model is generated in the game engine, spatial transformation is carried out, and a real terrain model matched with the real geographic coordinates is generated; filling the real terrain model with a corresponding earth surface material according to an earth feature classification result, laying vegetation on the earth surface in batches based on a programmed content generation technology, and generating an ecological environment virtual scene of the target area; obtaining a landscape building model of the target area, carrying out lightweight and correction processing, then importing the landscape building model into a game engine, fusing the landscape building model with the ecological environment virtual scene, and generating a real virtual scene of the target area; according to the method, the urban and rural planning scheme can be quickly and efficiently converted into a three-dimensional virtual reality scene which corresponds to a real space and can be interacted with the real space.

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