CN109522381B - Building hidden facility safety detection method based on 3DGIS + BIM - Google Patents
Building hidden facility safety detection method based on 3DGIS + BIM Download PDFInfo
- Publication number
- CN109522381B CN109522381B CN201811298714.XA CN201811298714A CN109522381B CN 109522381 B CN109522381 B CN 109522381B CN 201811298714 A CN201811298714 A CN 201811298714A CN 109522381 B CN109522381 B CN 109522381B
- Authority
- CN
- China
- Prior art keywords
- bim
- building
- 3dgis
- data
- adjacent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Processing Or Creating Images (AREA)
Abstract
The invention discloses a building hidden facility safety detection method based on 3DGIS + BIM. It comprises the following steps: constructing a semantic conversion library of BIM and 3 DGIS; preprocessing BIM data; loading the converted BIM data to a 3DGIS mobile terminal; designing a QR two-dimensional code for augmented reality safety detection of important parts of a building; and (4) carrying out safety detection on hidden facilities of the building. The invention has the advantages of high safety detection efficiency of building hidden facilities and strong universality.
Description
Technical Field
The invention relates to a safety detection method for building hidden facilities, in particular to a 3DGIS + BIM-based safety detection method for building hidden facilities. More specifically, it is a security detection method for building hidden facilities based on 3DGIS, BIM and AR technologies.
Background
The method has the advantages that the time period of operation and maintenance of the building is the longest in the whole life cycle of the building, the BIM is applied more in planning, designing and construction stages at present, the application in operation and maintenance stages is less, in order to avoid the produced BIM data becoming new data fossil after construction completion, the BIM and the 3DGIS are integrated, the potential application value of the BIM in the operation and maintenance stages is fully exerted by utilizing the three-dimensional visualization and two-dimensional space analysis capability of the GIS, and the data can be managed and used more.
When safety detection is carried out on hidden facilities of a building at the present stage, on one hand, along with the increase of the service life of the building, personnel are frequently replaced, the data of the building in the design and construction stage face the situation that less and less people know, and related facilities also face the problem of long-term overhaul; on the other hand, the traditional method for carrying out the security detection of the hidden facilities of the building according to the design construction drawing has higher requirements on the graph recognition capability of workers, is easy to cause the situations of misreading and the like, is inconvenient to operate, causes a large amount of problems of missing check, wrong repair and the like when the safety detection work is carried out by separating from the drawing, and brings great harm to the life and property safety of owners and workers.
Disclosure of Invention
The invention aims to provide a building hidden facility safety detection method based on 3DGIS + BIM, wherein the 3DGIS and the BIM are integrated, a two-dimensional code for enhancing reality safety detection of important parts of a building is designed, and the space management advantages of the 3DGIS, the part management advantages of the BIM, and the superposition enhancement display of a virtual three-dimensional model of AR and a real scene are fully exerted by combining an AR technology, so that the safety problem of hidden facilities can be intuitively, quickly and effectively positioned and detected by workers.
In order to achieve the purpose, the technical scheme of the invention is as follows: the building hidden facility safety detection method based on 3DGIS + BIM is characterized in that: the method comprises the following steps:
step 1: constructing a semantic conversion library of BIM and 3 DGIS;
step 2: preprocessing BIM data;
and step 3: loading the converted BIM data to a 3DGIS mobile terminal;
and 4, step 4: designing a QR two-dimensional code for augmented reality safety detection of important parts of a building;
and 5: and (4) carrying out safety detection on hidden facilities of the building.
In the technical scheme, in the step 1, according to the CityGML and IFC data standard, defining a hierarchy and a corresponding relation between classes and classes of IFC and CityGML, wherein the hierarchy and the corresponding relation comprise an attribute information and semantic information corresponding relation; considering attribute information and semantic information, defining the corresponding relation between IFC and LOD4 in CityGML, and setting the conversion of LOD4 → LOD3 → LOD2 → LOD1 → LOD0 by using the corresponding relation of LOD4, thereby constructing a semantic conversion library of each level of BIM and 3 DGIS.
In the technical scheme, in the step 2, the BIM model data is converted into CityGML data according to the constructed semantic conversion library of the BIM and the 3 DGIS;
the converted CityGML data is subjected to geometric simplification in two aspects of boundary line simplification and triangular patch combination; simplifying the geometry of the converted CityGML data based on the combination of an adjacent three-point method and a triangular grid patch;
and defining the material and texture attributes of the simplified CityGML data according to the original material and texture attribute information of each part of the BIM model.
In the technical scheme, in the step 2, based on the combination of an adjacent three-point method and a triangular grid patch, the converted CityGML data is subjected to geometric simplification, and meanwhile, the boundary line simplification and the triangular patch combination are considered; the simplification of the boundary line is realized by an adjacent three-point method, any vertex of the boundary line is selected as a starting point, identification is carried out on each vertex in a clockwise mode, adjacent three points on the polygonal boundary line are sequentially selected as an analysis unit from the starting point, the included angle of two straight lines formed by the adjacent three points is calculated, when the included angle is larger than or equal to a set threshold value, the three points are considered to be collinear, a middle point is deleted, and the adjacent three points on the polygonal boundary line are sequentially selected as an analysis unit to be judged from the starting point; when the included angle is smaller than the set threshold value, no processing is carried out, and adjacent three points on the polygon boundary line are selected from the second point as an analysis unit to continue judging; the triangular grid patch simplification judges whether the adjacent co-edge triangular patches are coplanar according to the size of an included angle between the adjacent co-edge triangular patches, when the included angle is smaller than a set threshold value, the two triangular patches are considered to be coplanar, the two adjacent co-edge triangular patches are identified, then the identified adjacent triangular patches are continuously judged and identified, the triangular patches identified as coplanar are combined through selecting a reference projection plane, and the combined surface vertexes are connected to form a surface; and traversing all the triangular patches until all the triangular patches are judged, and not processing the triangular patches which are not identified after traversal. By merging and simplifying boundary lines and triangular patches of the geometry of the CityGML data after BIM model conversion, the data volume of the BIM model is reduced, the loading and rendering efficiency of the BIM model is improved, and the problems that the requirement on computer hardware is high due to the large data volume of the BIM model, and program blocking and collapse are easily caused are solved.
In the above technical solution, in step 3, GDAL is used to read CityGML data after BIM model conversion, and the converted BIM data is loaded to the 3DGIS mobile terminal developed based on osgEarth through osgEarth for display.
In the above technical solution, in step 4, the positioning of the building hidden facility is related to the virtual and physical space co-positioning, which involves the problems of position tracking, positioning tracking and scaling, and the QR two-dimensional identification code covering the geographical spatial position and direction of the building key part, and the ID information of the three-dimensional model part corresponding to the 3DGIS + BIM integrated system is researched and designed.
In the technical scheme, in the step 4, a QR two-dimensional code for augmented reality safety detection of important parts of a building is designed, and the important parts of the building are selected and determined based on user requirements and the importance degree of equipment; then roaming in a three-dimensional geographic space scene integrated with BIM data to position important parts of the building; the optimal visual angle is determined by adjusting the scene visual point, the spatial position and the azimuth information of the scene visual point and the BIM model ID number where the visual point is located are obtained and stored, and accordingly, the two-dimensional code for the augmented reality detection of the important part of the building is generated.
In the above technical solution, in step 5, by scanning information of a corresponding three-dimensional model component in a QR two-dimensional identification code mobile terminal 3DGIS + BIM integrated system, adjusting a viewpoint and an orientation of a camera displayed by a mobile terminal 3DGIS + BIM application program, performing real-time positioning display on hidden facilities such as underground or in a wall, and setting transparency for visualization on the ground or a wall, and by checking arrangement conditions of the hidden facilities and assisting with spatial analysis functions such as distance, angle, area equivalent calculation, buffer analysis, overlay analysis, and the like, security detection of 3DGIS + BIM based on augmented reality of hidden facilities at key parts of a building is realized.
The invention has the following advantages:
(1) the invention is based on BIM and 3DGIS data semantic conversion of CityGML and IFC data standards; a geometric shape simplification method of data after BIM model conversion considering boundary line simplification and triangle patch combination; designing two-dimensional codes of important parts of the building, wherein the two-dimensional codes cover geographic space coordinate information, azimuth information and part ID attribute information; according to the conversion method of the constructed BIM data and the 3DGIS data, the BIM data is integrated into the 3DGIS platform, the AR technical thought is combined, the two-dimensional code of the important part of the designed building is scanned, the view viewpoint and the direction displayed by the 3DGIS + BIM application program of the mobile terminal are adjusted and positioned, the superposition display of the virtual BIM model and the real three-dimensional scene is realized, the arrangement condition of the hidden facilities is convenient to check, and the basic quantity calculation and space analysis functions are assisted, so that the safety detection of the 3DGIS + BIM-based building important part hidden facility augmented reality is realized The problems of wrong check, wrong repair and the like bring great harm to the life and property safety of owners and workers, and the application requirement of safety detection of hidden facilities of buildings is met;
(2) with the development of the indoor positioning technology and the improvement of the precision, the system can be upgraded into the safety detection of the building hidden facilities for dynamically adjusting the viewpoint direction and the angle of the three-dimensional scene in real time by utilizing the real-time positioning technology without utilizing a QR two-dimensional code to carry out BIM part auxiliary positioning;
(3) the calculation and judgment method is simple, high in speed and strong in universality, can be applied to hidden facilities of buildings, can also be applied to safety detection of monitoring equipment embedded in hydraulic buildings, urban underground pipe galleries and the like, and is worthy of application and popularization.
Drawings
FIG. 1 is a flow chart of the present invention for carrying out the 3DGIS + BIM-based security inspection of building concealment facilities by using the produced BIM data.
FIG. 2 is a flow chart of the BIM and 3DGIS data semantic conversion process of the present invention.
Fig. 3 is a flow chart of two-dimensional code design for augmented reality detection of important parts of a building.
Detailed Description
The embodiments of the present invention will be described in detail with reference to the accompanying drawings, which are not intended to limit the present invention, but are merely exemplary. While the advantages of the invention will be clear and readily understood by the description.
As shown in fig. 1, taking the BIM data of the underground pipeline produced by Revit as an example, the safety detection of the underground pipeline facilities of the building based on 3DGIS + BIM is performed:
step 1: converting BIM data of underground pipeline produced by Revit into IFC format
Opening a BIM data file in Revit software, selecting an IFC export function, and converting the BIM data into an IFC format;
step 2: performing CityGML semantic conversion on IFC data obtained by conversion
Converting IFC data derived from the BIM model into CityGML data according to the constructed semantic conversion library (shown in figure 2) of the BIM and the 3 DGIS;
and step 3: triangular grid patch merging is carried out on converted CityGML data
Setting a facet merging threshold value to be 10 degrees, judging whether adjacent edge-sharing triangular facets are coplanar or not by judging the size of an included angle between the adjacent edge-sharing triangular facets, when the included angle is less than or equal to 10 degrees, considering that the two triangular facets are coplanar, identifying the two adjacent edge-sharing triangular facets, then continuously judging and identifying the identified adjacent triangular facets, merging the triangular facets identified as coplanar by selecting a reference projection plane, and connecting the vertexes of the merged facets to form a plane; traversing all the triangular patches until all the triangular patches are judged, and not processing triangular patches which are not identified after traversal;
and 4, step 4: boundary line simplification is carried out on CityGML data after triangular patch combination
Setting the threshold value of the included angle of the collinear three adjacent points to be 160 degrees, selecting any vertex of the boundary line as a starting point, identifying each vertex in time, sequentially selecting the three adjacent points on the polygonal boundary line from the starting point as an analysis unit, calculating the included angle of two straight lines formed by the three adjacent points, considering the three points to be collinear when the included angle is more than or equal to 160 degrees, deleting the middle point, and sequentially selecting the three adjacent points on the polygonal boundary line from the starting point as an analysis unit for judgment; when the included angle is smaller than 160 degrees, processing is not carried out, and adjacent three points on the polygon boundary line are selected from the second point to serve as an analysis unit for continuous judgment;
and 5: loaded and visualized lightweight ctygml data
Analyzing the CityGML format data after Revit data conversion and light weight by using GDAL, loading and three-dimensional visualization in a mobile terminal of a 3DGIS platform which is independently developed, and visually expressing the CityGML data after light weight and the geographic environment of a region;
step 6: QR two-dimensional code for constructing important parts of building
According to the method for designing the QR two-dimensional code for the safety detection of the important parts of the building, which is shown in FIG. 3, a QR two-dimensional identification code covering the geographical spatial position and direction of the important parts of the building and the ID information of the three-dimensional model part corresponding to the 3DGIS + BIM integrated system is constructed;
and 7: scanning QR two-dimensional code for safety detection of important parts of building, adjusting and positioning viewpoint orientation of virtual three-dimensional scene
Adjusting and positioning the viewpoint position and orientation in the virtual three-dimensional field by scanning the QR two-dimensional code;
and 8: carrying out transparent visual processing on the ground, and positioning and displaying underground concealed pipeline information
The ground transparency is set to be 60%, transparent visual processing is carried out on the ground, underground concealed pipeline information is displayed, the distribution state of the pipeline is grasped visually, and the concealed pipeline is convenient to search, position and detect safely;
and step 9: by utilizing the functions of spatial calculation such as distance, angle and area calculation, spatial analysis such as buffer area analysis and superposition analysis and the like, the accurate measurement of angles, slant distances, horizontal clear distances, vertical distances, pipeline section areas and the like among pipelines is realized, and the safety detection of underground concealed pipeline facilities is assisted.
After the embodiment is applied, when safety detection is carried out on the building underground concealed pipeline facilities, the virtual three-dimensional model and the superposition enhancement display of a real scene are utilized, the concealed pipeline facilities can be positioned and displayed in a virtual geographic environment intuitively and quickly, the relative position relation among the pipelines is obtained through space calculation and analysis, the safety problems existing in the pipeline facilities can be accurately and efficiently found and detected by workers, and the problems of missing detection, wrong repair and the like can be effectively avoided compared with the traditional method for carrying out safety detection on the building concealed pipeline facilities according to design construction drawings, and the precision and the efficiency of the safety detection on the pipeline facilities are improved.
Description of technical terms related to the present technical solution:
the 3DGIS is a three-dimensional GIS for short, is a three-dimensional space geographic information system, and can realize real-time rendering of 3D images with high quality and vividness such as real-time reflection, real-time refraction, dynamic shadow and the like.
Geographic Information System (Geographic Information System or Geo-Information System, GIS), sometimes also referred to as a geoscience Information System, is a specific and very important spatial Information System, which is a technical System for collecting, storing, managing, operating, analyzing, displaying and describing relevant Geographic distribution data in the whole or part of the space of the earth's surface layer (including the atmosphere) under the support of a computer hardware and software System.
The Building Information Modeling (BIM) technology is a datamation tool applied to engineering design, construction and management, and is used for sharing and transmitting all life cycle processes of project planning, operation and maintenance by integrating datamation and informatization models of buildings, so that engineering technicians can correctly understand and efficiently deal with various Building Information, a foundation for cooperative work is provided for design teams and all parts of construction main bodies including buildings and operation units, and important functions are played in the aspects of improving production efficiency, saving cost and shortening construction period.
The CityGML is a format for virtual three-dimensional city model data exchange and storage, and the CityGML is a general data model used to express three-dimensional city templates. The method defines the types and the mutual relations of the most common earth surface targets in cities and areas, considers the attributes of the targets in the aspects of geometry, topology, semantics, appearance and the like, and comprises the hierarchy, aggregation, the relation between the targets, spatial attributes and the like among thematic types; the thematic information is not only in a graph exchange format, but also can be used for high-level analysis in various application fields, such as simulation, urban data mining, facility management, thematic query and the like; the city GML is an open data model which realizes data storage and exchange of a virtual three-dimensional city model based on XML, and is an application mode of GML 3, and GML 3 is an extensible international standard formulated by OGC and ISO TC 211 and can be used for spatial data exchange.
Abbreviations for IFC (industry Foundation classes) Industrial base classes; is a standard name established by the International Alliance for International Interoperability-International collaboration (IAI) organization; through IFC, communication, productivity, time, cost and quality are improved in the whole life cycle of the building project, and a universal standard is established for improving the process in the global building major and equipment major and sharing information; nowadays, more and more related products in the building industry provide data exchange interfaces of IFC standards, so that the integration and integration of multi-professional design and management are realized; as data model standards applied to various fields of AEC/FM, the IFC model includes not only those visible and accessible building elements (such as beams, columns, panels, ceilings, furniture, etc.), but also those abstract concepts (such as plans, spaces, organizations, construction costs, etc.); the IFC model system structure is composed of four layers, namely a Resource Layer (Resource Layer), a Core Layer (Core Layer), an interaction Layer (interaction Layer) and a Domain Layer (Domain Layer) from bottom to top; each layer contains a series of information description modules and complies with a rule: each layer can only refer to the information resources of the same layer and the lower layer, but can not refer to the resources of the upper layer, and when the resources of the upper layer change, the lower layer is not influenced.
Industrial Design (ID Design) refers to the engineering, aesthetic and economic basis for designing Industrial products.
The QR code is one of two-dimensional bar codes, QR is an abbreviation from English Quick Response, namely the meaning of Quick Response, and the inventor expects the QR code to quickly decode the content; the QR code can store more data than the common bar code, and does not need to be aligned with a scanner in a straight line during scanning like the common bar code; the two-dimensional code of the QR code can be read quickly, and compared with the prior bar code, the QR code can store richer information, including encryption of characters, URL addresses and other types of data. The QR code is square and only has black and white. A square pattern printed with a smaller, letter-like, square pattern at 3 of the 4 corners; these 3 patterns help the decoding software to locate, and the user does not need to align, and the data can still be read correctly no matter what angle the user scans.
Augmented Reality (AR) is also known as Augmented Reality (taiwan). The augmented reality technology is a new technology for seamlessly integrating real world information and virtual world information, and is characterized in that entity information (visual information, sound, taste, touch and the like) which is difficult to experience in a certain time space range of the real world originally is overlapped after simulation through scientific technologies such as computers and the like, virtual information is applied to the real world and is perceived by human senses, and therefore the sensory experience beyond the reality is achieved; the real environment and the virtual object are superimposed on the same picture or space in real time and exist simultaneously.
The LOD technology, namely the abbreviation of Levels of Detail, means multiple Levels of Detail; the LOD technology is used for determining the resource allocation of object rendering according to the positions and the importance of the nodes of the object model in the display environment, reducing the number of faces and the detail of non-important objects and further obtaining high-efficiency rendering operation; the specification of the urban three-dimensional modeling technology provides that urban three-dimensional building models can be divided into four levels of LOD1, LOD2, LOD3 and LOD4 according to different representation details, wherein LOD1 is a bulk model, LOD2 is a basic coarse model, LOD3 is a standard model, and LOD4 is a fine model.
The osgEarth is a three-dimensional digital earth engine Library developed based on the three-dimensional engine osg, and realizes a tile scheduling plug-in, an optional quadtree scheduling plug-in, more geographic Data loading plug-ins (including GDAL (geographic Data Abstraction Library, which is an open source grid space Data conversion Library under the X/MIT license agreement, which uses an abstract Data model to express various supported file formats, and a series of command line tools to perform Data conversion and processing), ogr (which is a simple element Library of open source C + +, and is a part of a GDAL Library), WMS (Wireless Management System, Warehouse Management System), TMS (Transportation Management System, logistics Transportation Management System), filesys (file System), etc.), and combines with a set of geographic projection conversion plug-ins, so that the display of the geographic Data loaded and scheduled on the earth with high efficiency on the three-dimensional can be realized, realizing a three-dimensional virtual earth; openscene graph (OSG for short) is developed by using OpenGL technology, is a set of Application Programming Interfaces (APIs) based on a C + + platform, and enables a programmer to create a high-performance cross-platform interactive graphics program more quickly and conveniently.
GDAL (geospatial Data Abstraction library) is an open source grid space Data conversion library under the X/MIT license agreement; it utilizes an abstract data model to express the various supported file formats; it also has a series of command line tools to perform data conversion and processing.
Other parts not described belong to the prior art.
Claims (6)
1. The building hidden facility safety detection method based on 3DGIS + BIM is characterized in that: the method comprises the following steps:
step 1: constructing a semantic conversion library of BIM and 3 DGIS;
step 2: preprocessing BIM data;
and step 3: loading the converted BIM data to a 3DGIS mobile terminal;
and 4, step 4: designing a QR two-dimensional code for augmented reality safety detection of important parts of a building;
and 5: safety detection of building hidden facilities;
step 4, designing a QR two-dimensional code for augmented reality safety detection of important parts of the building, and selecting and determining the important parts of the building based on user requirements and the importance degree of equipment; then roaming in a three-dimensional geographic space scene integrated with BIM data to position important parts of the building; determining an optimal view angle by adjusting a scene view point, acquiring and storing the spatial position and orientation information of the scene view point and the BIM ID number of the view point position, and generating a two-dimensional code for augmented reality detection of important parts of a building according to the spatial position and orientation information;
in the step 5, the corresponding three-dimensional model component information in the QR two-dimensional identification code mobile terminal 3DGIS + BIM integrated system is scanned, the camera viewpoint and the position displayed by the mobile terminal 3DGIS + BIM application program are adjusted, the hidden facility is positioned and displayed in real time, the transparency is visually set on the ground or the wall, the arrangement condition of the hidden facility is checked, and the functions of measurement and space analysis are assisted, so that the 3DGIS + BIM-based security detection of the hidden facility augmented reality of the key part of the building is realized.
2. The 3DGIS + BIM-based building concealment facility security detection method according to claim 1, characterized in that: in step 1, defining a grade system and a corresponding relation of classes and classes of the IFC and the CityGML according to CityGML and IFC data standards, wherein the corresponding relation comprises attribute information and semantic information; considering attribute information and semantic information, defining the corresponding relation between IFC and LOD4 in CityGML, and setting the conversion of LOD4 → LOD3 → LOD2 → LOD1 → LOD0 by using the corresponding relation of LOD4, thereby constructing a semantic conversion library of each level of BIM and 3 DGIS.
3. The 3DGIS + BIM-based building concealment facility security detection method according to claim 2, characterized in that: in step 2, converting BIM model data into CityGML data according to the constructed semantic conversion library of BIM and 3 DGIS;
the converted CityGML data is subjected to geometric simplification in two aspects of boundary line simplification and triangular patch combination; simplifying the geometry of the converted CityGML data based on the combination of an adjacent three-point method and a triangular grid patch;
and defining the material and texture attributes of the simplified CityGML data according to the original material and texture attribute information of each part of the BIM model.
4. The building concealment facility security detection method based on 3DGIS + BIM as claimed in claim 3, wherein: step 2, based on the combination of an adjacent three-point method and a triangular grid patch, carrying out geometric simplification on the converted CityGML data, and simultaneously considering boundary line simplification and triangular patch combination; the simplification of the boundary line is realized by an adjacent three-point method, any vertex of the boundary line is selected as a starting point, identification is carried out on each vertex in a clockwise mode, adjacent three points on the polygonal boundary line are sequentially selected as an analysis unit from the starting point, the included angle of two straight lines formed by the adjacent three points is calculated, when the included angle is larger than or equal to a set threshold value, the three points are considered to be collinear, a middle point is deleted, and the adjacent three points on the polygonal boundary line are sequentially selected as an analysis unit to be judged from the starting point; when the included angle is smaller than the set threshold value, no processing is carried out, and adjacent three points on the polygon boundary line are selected from the second point as an analysis unit to continue judging; the triangular grid patch simplification judges whether the adjacent co-edge triangular patches are coplanar according to the size of an included angle between the adjacent co-edge triangular patches, when the included angle is smaller than a set threshold value, the two triangular patches are considered to be coplanar, the two adjacent co-edge triangular patches are identified, then the identified adjacent triangular patches are continuously judged and identified, the triangular patches identified as coplanar are combined through selecting a reference projection plane, and the combined surface vertexes are connected to form a surface; and traversing all the triangular patches until all the triangular patches are judged, and not processing the triangular patches which are not identified after traversal.
5. The building concealment facility security detection method based on 3DGIS + BIM as claimed in claim 4, wherein: and step 3, reading the CityGML data converted by the BIM by using GDAL, loading and displaying through osgEarth, and loading the converted BIM data to a 3DGIS mobile terminal developed based on osgEarth.
6. The building concealment facility security detection method based on 3DGIS + BIM as claimed in claim 5, wherein: in step 4, the positioning of the building hidden facilities relates to the cooperative positioning of virtual and physical spaces, which relates to the problems of position tracking, positioning tracking and proportion, and the QR two-dimensional identification code of the ID information of the three-dimensional model part corresponding to the 3DGIS + BIM integrated system and the geographic spatial position and the direction of the key part of the building and the key part of the building is covered by research and design.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811298714.XA CN109522381B (en) | 2018-11-02 | 2018-11-02 | Building hidden facility safety detection method based on 3DGIS + BIM |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811298714.XA CN109522381B (en) | 2018-11-02 | 2018-11-02 | Building hidden facility safety detection method based on 3DGIS + BIM |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109522381A CN109522381A (en) | 2019-03-26 |
| CN109522381B true CN109522381B (en) | 2021-05-04 |
Family
ID=65774249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811298714.XA Active CN109522381B (en) | 2018-11-02 | 2018-11-02 | Building hidden facility safety detection method based on 3DGIS + BIM |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109522381B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110288861A (en) * | 2019-06-25 | 2019-09-27 | 惠州学院 | A method of based on teaching material virtual display course content in kind |
| CN110516386A (en) * | 2019-08-30 | 2019-11-29 | 天津住总机电设备安装有限公司 | A method of live coordinate position is determined based on mobile phone B IM construction drawing AR |
| CN110675508B (en) * | 2019-09-10 | 2023-04-25 | 长江勘测规划设计研究有限责任公司 | BIM model geometric figure simplifying method |
| CN110717672A (en) * | 2019-10-10 | 2020-01-21 | 贵州百胜工程建设咨询有限公司 | BIM-based operation and maintenance management system |
| CN112199804B (en) * | 2020-09-04 | 2023-11-14 | 中通服咨询设计研究院有限公司 | Calculation and drawing method of wireless network simulation area |
| CN112581318A (en) * | 2020-12-18 | 2021-03-30 | 华航环境发展有限公司 | Construction safety early warning system based on BIM and positioning technology integration |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102044089A (en) * | 2010-09-20 | 2011-05-04 | 董福田 | Method for carrying out self-adaption simplification, gradual transmission and rapid charting on three-dimensional model |
| KR101465483B1 (en) * | 2013-12-23 | 2014-11-26 | 한국건설기술연구원 | Bim data processing system for comprising lod data |
| CN104680331A (en) * | 2015-03-18 | 2015-06-03 | 国网上海市电力公司 | IFC based three-dimensional digital management platform for transmission and transformation project |
| CN105512588A (en) * | 2015-11-25 | 2016-04-20 | 安徽云硕科技有限公司 | Multi-code parsing conversion system |
| CN105701295A (en) * | 2016-01-14 | 2016-06-22 | 昆明安泰得软件股份有限公司 | Method for rapid integrated presentation of BIM model and three-dimensional geographical information system |
| CN106952330A (en) * | 2017-03-20 | 2017-07-14 | 南京师范大学 | A kind of mobile terminal three-dimensional city dynamic modelling method based on geographical semantics |
| CN107085761A (en) * | 2017-03-09 | 2017-08-22 | 深圳高速工程信息有限公司 | Road maintenance methods, devices and systems |
| CN107679291A (en) * | 2017-09-14 | 2018-02-09 | 中建三局第建设工程有限责任公司 | Construction operation management method, storage device and mobile terminal based on BIM and AR |
| CN107862153A (en) * | 2017-11-23 | 2018-03-30 | 国网上海市电力公司 | A kind of transformer station digitizes managing and control system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10318660B2 (en) * | 2015-07-02 | 2019-06-11 | Autodesk, Inc. | Method and apparatus for automatically creating a drainage system along a road network in a building information model (BIM) computer aided design (CAD) three-dimensional (3D) model |
-
2018
- 2018-11-02 CN CN201811298714.XA patent/CN109522381B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102044089A (en) * | 2010-09-20 | 2011-05-04 | 董福田 | Method for carrying out self-adaption simplification, gradual transmission and rapid charting on three-dimensional model |
| KR101465483B1 (en) * | 2013-12-23 | 2014-11-26 | 한국건설기술연구원 | Bim data processing system for comprising lod data |
| CN104680331A (en) * | 2015-03-18 | 2015-06-03 | 国网上海市电力公司 | IFC based three-dimensional digital management platform for transmission and transformation project |
| CN105512588A (en) * | 2015-11-25 | 2016-04-20 | 安徽云硕科技有限公司 | Multi-code parsing conversion system |
| CN105701295A (en) * | 2016-01-14 | 2016-06-22 | 昆明安泰得软件股份有限公司 | Method for rapid integrated presentation of BIM model and three-dimensional geographical information system |
| CN107085761A (en) * | 2017-03-09 | 2017-08-22 | 深圳高速工程信息有限公司 | Road maintenance methods, devices and systems |
| CN106952330A (en) * | 2017-03-20 | 2017-07-14 | 南京师范大学 | A kind of mobile terminal three-dimensional city dynamic modelling method based on geographical semantics |
| CN107679291A (en) * | 2017-09-14 | 2018-02-09 | 中建三局第建设工程有限责任公司 | Construction operation management method, storage device and mobile terminal based on BIM and AR |
| CN107862153A (en) * | 2017-11-23 | 2018-03-30 | 国网上海市电力公司 | A kind of transformer station digitizes managing and control system |
Non-Patent Citations (4)
| Title |
|---|
| BIM与GIS数据集成_IFC与CityGML建筑几何语义信息互操作技术;汤圣君等;《土木建筑工程信息技术》;20140815;第6卷(第4期);11-17页 * |
| 基于CITYGML标准的BIM三维建筑模型转换;张诚浩等;《计算机科学与应用》;20170323;第7卷(第3期);209-214页 * |
| 基于IFC和CityGML映射转换的BIM与3DGIS集成研究;周忠等;《河南科技》;20161105(第21期);第1.3节，图2 * |
| 网格模型的三角形折叠化简方法研究;邵茜等;《计算机仿真》;20100815;第27卷(第8期);61-64页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109522381A (en) | 2019-03-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109522381B (en) | Building hidden facility safety detection method based on 3DGIS + BIM | |
| US11989895B2 (en) | Capturing environmental features using 2D and 3D scans | |
| Badenko et al. | Scan-to-BIM methodology adapted for different application | |
| Cheng et al. | BIM applied in historical building documentation and refurbishing | |
| Golparvar-Fard et al. | D4AR–a 4-dimensional augmented reality model for automating construction progress monitoring data collection, processing and communication | |
| US9424371B2 (en) | Click to accept as built modeling | |
| Fassi et al. | A new idea of BIM system for visualization, web sharing and using huge complex 3d models for facility management. | |
| CN105701103B (en) | Three-dimensional application system based on geographic information | |
| US9892474B2 (en) | Computing system and method for visualizing integrated real estate data | |
| Rašković et al. | Clean construction and demolition waste material cycles through optimised pre-demolition waste audit documentation: a review on building material assessment tools | |
| Moyano et al. | Operability of point cloud data in an architectural heritage information model | |
| Manferdini et al. | Reality-based 3D modeling, segmentation and web-based visualization | |
| Murphy et al. | Developing historic building information modelling guidelines and procedures for architectural heritage in Ireland | |
| CN108572951B (en) | Mapping data three-dimensional display system based on geographic information | |
| Yang et al. | Complementarity of historic building information modelling and geographic information systems | |
| Yin et al. | Automatic layer classification method-based elevation recognition in architectural drawings for reconstruction of 3D BIM models | |
| Remondino et al. | 3D documentation of 40 kilometers of historical porticoes–the challenge | |
| Shih et al. | 3D scan for the digital preservation of a historical temple in Taiwan | |
| Nguyen et al. | Practical workflow for cultural heritage digitalization and management: A case study in Vietnam | |
| Jiang et al. | Scan4Façade: Automated as-is façade modeling of historic high-rise buildings using drones and AI | |
| Richards-Rissetto et al. | Procedural modeling for ancient Maya cityscapes initial methodological challenges and solutions | |
| Wu et al. | [Retracted] Intelligent City 3D Modeling Model Based on Multisource Data Point Cloud Algorithm | |
| Fernández-Palacios et al. | Augmented reality for archaeological finds | |
| Kim et al. | Automated two-dimensional geometric model reconstruction from point cloud data for construction quality inspection and maintenance | |
| Díaz-Vilariño et al. | From LiDAR data towards HBIM for energy analysis |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |