A Registration Method for 2.5D Maps

Abstract

The invention discloses a registration method of 2.5D (two and a half dimensional) maps. The method includes: converting a two-dimensional vector graph in a base graph, or a photographic map into a Mercator projection of JPG (joint picture group) format, rotating and compressing vector and raster data of the Mercator projection of JPG format in an ArcMap module, rotating and compressing a photographic file in the base graph not rotated and compressed, in 3Dsmax to generate a 3D rendering, setting the width and height of the 3D rendering to be equal to that of an original image of the rendering, rotating and compressing the new 3D rendering of new width and height to generate a JPG image of same height and width, replacing an original JPG image file of the rendering by a JPG file of the new 3D rendering, reading the new 3D rendering into the ArcMap module, and performing adjusting to generate a 2.5D map. The method has the advantages that seamless integration and splicing of 2D and 3D maps is achieved, a simulation 3D map registered and integrated allows national roaming on the same map, geographical coordinates are located and queried on the same map, and using is more convenient.

Description

technical field [0001] The invention relates to the technical field of geographic information, in particular to a registration method for a 2.5-dimensional map. Background technique [0002] With the rapid development and integration of modern surveying and mapping technology, computer technology, network communication technology and the Internet, the applications related to geospatial space are growing rapidly. The 3D map shows the reality more intuitively and truly through the intuitive representation of geospatial real scene simulation. scenarios are widely used. The existing 3D map is generated by combining the vector data from different sources of the same geographical location but with different projection methods and distortions, through geometric correction based on a polynomial, and the existing 3D map or through image processing. Registration, registration of remote sensing images from different sources in the same geographical location but with different projecti...

AI Technical Summary

Problems solved by technology

However, through the above calibration maps, especially the current maps, the city is used as the site. There are architectural models in the city center and two-dimensional maps without architectural models in the urban fringes. The displayed area cannot be transferred to other cities in the form of drag and drop. Realize the national unified roaming of the simulated 3D map, which is not conducive to users to consult the maps of different places, and it is very inconvenient to use

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