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Fine indoor topology model construction method, information query method and device

A topology model and construction method technology, applied in the field of spatial analysis, can solve problems such as the inability to meet the requirements of lightweight Web data browsing, bloated models, etc., and achieve the effect of improving management efficiency and management flexibility

Active Publication Date: 2021-07-30
GUANGZHOU YIDONG NETWORK TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In terms of data models, three-dimensional building data models integrating geometric and semantic information have been produced, including CityGML, IFC, IndoorGML and models based on these standards. These data models have been put into use as industrial standards, but This type of standard model is relatively bloated and cannot meet the current lightweight requirements for web data browsing

Method used

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  • Fine indoor topology model construction method, information query method and device
  • Fine indoor topology model construction method, information query method and device
  • Fine indoor topology model construction method, information query method and device

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Experimental program
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Embodiment 1

[0046] With the development of intelligent building construction, there are two problems in the current indoor model research: 1) In addition to the main space unit, urban buildings at the present stage also carry a large number of intelligent facilities and equipment, but in the traditional indoor geographic model It is mainly the management of space, and the management of objects is relatively weak. Therefore, at the current stage, it is necessary to extend the granularity of the model from the building itself to the indoor equipment / facilities at the indoor model level to meet the management of facilities / equipment in the building; 2) The existing models pay more attention to the management of indoor inherent space, but a large number of managed business scenarios require reorganization and division of the inherent space to form business units that can meet specific scenarios.

[0047] For the above problems, such as figure 1 As shown, this embodiment provides a fine indoor...

Embodiment 2

[0065] Embodiment 2 discloses an electronic device, which includes a processor, a memory, and a program, wherein one or more processors and memories can be used, and the program is stored in the memory and configured to be executed by the processor, When the processor executes the program, a refined indoor topology model construction method in Embodiment 1 is implemented. The electronic device may be a series of electronic devices such as a mobile phone, a computer, and a tablet computer.

Embodiment 3

[0067] Embodiment 3 discloses a computer-readable storage medium, the storage medium is used to store a program, and when the program is executed by a processor, a fine indoor topology model construction method in Embodiment 1 is realized.

[0068] Of course, a storage medium containing computer-executable instructions provided by an embodiment of the present invention, the computer-executable instructions are not limited to the above-mentioned method operations, and can also perform related operations in the methods provided by any embodiment of the present invention .

[0069] Through the above description about the implementation mode, those skilled in the art can clearly understand that the present invention can be realized by means of software and necessary general-purpose hardware, and of course it can also be realized by hardware, but in many cases the former is a better implementation mode . Based on this understanding, the essence of the technical solution of the pre...

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Abstract

The invention discloses a fine indoor topological model construction method, comprising the following steps: obtaining the entity set of the indoor three-dimensional model, the spatial characteristics and attribute characteristics of each entity set; Organize to form an indoor four-level structure mainly based on the main object; reorganize the indoor space units according to the topological relationship to generate a node table and a node-edge relationship table, and store the generated node table and node-edge relationship table in the fine topology model. The invention also discloses an information query method and device based on the fine topological model. The fine indoor topology model construction method of the present invention classifies the indoor model components according to the form of "subject object-connected object-virtual object" and constructs a four-level indoor scene that can meet fine management, effectively improving the The management efficiency and management flexibility of indoor 3D model data.

Description

technical field [0001] The invention relates to the technical field of space analysis, in particular to a fine indoor topology model construction method, information query method and device. Background technique [0002] At present, with the continuous deepening of smart city construction, the content of construction is gradually refined from cities to buildings, and from outdoors to indoors. According to relevant statistics, the average time that humans spend in indoor space activities reaches 87%, far exceeding the proportion of outdoor activities in daily life. How to create a more intelligent indoor space is another problem facing the construction of smart cities at this stage. [0003] In recent years, research on indoor scenes has been extensive, with many results. In terms of data models, three-dimensional building data models integrating geometric and semantic information have been produced, including CityGML, IFC, IndoorGML and models based on these standards. Thes...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T17/05G06T15/00G06F16/29
CPCG06T15/005G06T17/05G06F16/29
Inventor 黄鸿赵志鹏张磊
Owner GUANGZHOU YIDONG NETWORK TECH
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