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Building inclination model layered household display method fusing vector house type graph

A display method and a technology of floor plan, applied in the field of urban three-dimensional scene construction, can solve problems such as low efficiency and large labor load, and achieve the effects of simplifying cumbersome operations, improving utilization rate, and improving user interaction

Active Publication Date: 2021-04-23
WUHAN UNIV
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Problems solved by technology

However, such a manual operation of singulation has the problems of large labor load and low efficiency, which is not conducive to the single operation of a large number of building tilt models.

Method used

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  • Building inclination model layered household display method fusing vector house type graph
  • Building inclination model layered household display method fusing vector house type graph
  • Building inclination model layered household display method fusing vector house type graph

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Embodiment Construction

[0026] The technical solution of the present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0027] refer to figure 1 , a kind of method of layered household display of a building tilt model fused with a vector floor plan provided by the embodiment, the steps are as follows:

[0028] first step, such as figure 1 In the vector floor plan data part, collect the building room vector data corresponding to the building tilt model, which is usually vector floor plan data, at least including the vector outline data of the building room and its key attribute information-height information. The vector contour data is in Shapefile format (shp for short, which is an open spatial data format developed by ESRI, an American Environmental Systems Research Institute company), and the coordinate system adopts the WGS84 coordinate system (World Geodetic System1984, which is a coordinate established for the use of GPS global positioni...

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Abstract

The invention provides a building inclination model layered household display method fusing a vector house type image, and the method comprises the steps: collecting the vector house type image data corresponding to a building inclination model, with the vector house type image data comprising the vector contour data of a building room and the corresponding attribute information, and the attribute information comprising the height information; importing the vector house type image data into a spatial database, and organizing the vector house type image data by adopting the spatial database; recording longitude, latitude and height information of a position point needing to be inquired in the three-dimensional geographic information system, conducting space matching on the longitude, latitude and height information, vector contour data stored in a space database and the corresponding height information to identify a corresponding unique building room; and extracting corresponding vector contour data and corresponding attribute information, drawing a three-dimensional space contour, and displaying a corresponding planar graph and the attribute information. According to the invention, data fusion application of different data sources is realized, and the problem of layered household display of a building inclination model in a three-dimensional geographic information system is solved; and the integrity and continuity of the building inclination model data are not influenced.

Description

technical field [0001] The invention relates to the technical field of urban three-dimensional scene construction, in particular to a layered and household display method of a building tilt model combined with a vector floor plan. Background technique [0002] Oblique photography technology is to shoot the ground objects, analyze the geometric relationship and texture features between the ground objects from the image information, and construct the three-dimensional coordinate information and the three-dimensional model according to the analysis results. Technology. The oblique model of the building is a three-dimensional model established by oblique photography technology, which can be used as one of the basic data sources in the three-dimensional geographic information system to describe and restore the building details in detail. With the proposal of smart city and smart earth in recent years, in the 3D geographic information system, the addition of building tilt models ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T17/00G06T17/05G06F16/29
CPCG06T17/00G06T17/05G06F16/29
Inventor 任福宋志浩杜清运江文萍许大璐张剑
Owner WUHAN UNIV
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