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Three-dimensional city model and two-dimensional map linkage method and device and readable medium

A city model and two-dimensional map technology, applied in 3D image processing, image data processing, geographic information database, etc., can solve problems such as inability to link three-dimensional city models, and achieve rich display effects

Inactive Publication Date: 2017-12-15
BAIDU ONLINE NETWORK TECH (BEIJIBG) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in the existing technology, it is impossible to link the 3D city model and the buildings with the same coordinates in the 2D map, and use the 3D city model to display the existing functions in the 2D map

Method used

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  • Three-dimensional city model and two-dimensional map linkage method and device and readable medium
  • Three-dimensional city model and two-dimensional map linkage method and device and readable medium
  • Three-dimensional city model and two-dimensional map linkage method and device and readable medium

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Embodiment Construction

[0062] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0063] figure 1 It is a flow chart of Embodiment 1 of the linkage method between a 3D city model and a 2D map of the present invention. like figure 1 As shown, the linkage method of the 3D city model and the 2D map in this embodiment may specifically include the following steps:

[0064] 100. Display the two-dimensional map in the first window under the structure where the three-dimensional city model is located;

[0065] The two-dimensional map in this embodiment is a map in a map application (Application; App). The two-dimensional map is a common map, and the two-dimensional map is usually displayed in the form of a JavaScript (JS for short) web page. The three-dimensional city model in this embodiment may be called a three-dimensional city ...

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Abstract

The invention provides a three-dimensional city model and two-dimensional map linkage method and device and a readable medium. The method includes the steps that a two-dimensional map is displayed into a first window under a framework where a three-dimensional city model is located; the three-dimensional city model is rendered in a second window under the framework where the three-dimensional city model is located; based on geographical coordinates, the two-dimensional map in the first window under the same framework and the three-dimensional city model in the second window are linked. By adopting the technical scheme, defects in the prior art can be overcome, the three-dimensional city model and the two-dimensional map are linked, and then the two-dimensional map functions are displayed more visually and richly in the three-dimensional city model.

Description

【Technical field】 [0001] The invention relates to the technical field of computer applications, in particular to a method, device and readable medium for the linkage between a three-dimensional city model and a two-dimensional map. 【Background technique】 [0002] 3D city model (3 Dimensional City Model; 3D), also referred to as 3D model or 3D model for short, has been widely used in transportation, surveying, surveying and mapping, especially in urban planning and construction after years of research and application. played a role. The 3D city model can show the buildings in the city from a three-dimensional perspective, and the form of expression is very intuitive and rich. [0003] Existing electronic maps usually use two-dimensional maps. Compared with three-dimensional, two-dimensional maps use a flat two-dimensional form to show buildings in the city. The buildings presented are not as intuitive and rich as three-dimensional city models. However, functions such as poi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30G06T15/00
CPCG06F16/29G06T15/005
Inventor 刘巍
Owner BAIDU ONLINE NETWORK TECH (BEIJIBG) CO LTD
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