CN113096251B - Model processing method, device, equipment and storage medium based on CIM - Google Patents
Model processing method, device, equipment and storage medium based on CIM Download PDFInfo
- Publication number
- CN113096251B CN113096251B CN202110369207.6A CN202110369207A CN113096251B CN 113096251 B CN113096251 B CN 113096251B CN 202110369207 A CN202110369207 A CN 202110369207A CN 113096251 B CN113096251 B CN 113096251B
- Authority
- CN
- China
- Prior art keywords
- dimensional
- target
- target object
- grid body
- attribute information
- 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
- 238000003672 processing method Methods 0.000 title claims abstract description 19
- 238000012545 processing Methods 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims description 34
- 238000005516 engineering process Methods 0.000 description 10
- 230000006870 function Effects 0.000 description 10
- 238000004891 communication Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000004590 computer program Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 238000013473 artificial intelligence Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000000802 evaporation-induced self-assembly Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
- G06T17/20—Finite element generation, e.g. wire-frame surface description, tesselation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/13—Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
- G06F30/23—Design optimisation, verification or simulation using finite element methods [FEM] or finite difference methods [FDM]
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Evolutionary Computation (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Computational Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Computer Graphics (AREA)
- Software Systems (AREA)
- Processing Or Creating Images (AREA)
Abstract
The application provides a CIM-based model processing method, a CIM-based model processing device, CIM-based model processing equipment and a CIM-based model processing storage medium, wherein the CIM-based model processing method comprises the following steps: acquiring three-dimensional attribute information of a target object in a real space; based on the three-dimensional attribute information of the target object, generating a three-dimensional grid body of the target object in a target land block of the three-dimensional ground model of the city information model CIM, and storing the corresponding relation between the target land block and the three-dimensional grid body of the target object. Therefore, the objects in the CIM are represented by the three-dimensional grid body forming the three-dimensional space relation, BIM software is not relied on any more, a foundation is laid for some subsequent applications related to the objects, and some applications related to the objects are not affected under the condition of being separated from the BIM software, so that the application scene is prevented from being limited.
Description
Technical Field
The application relates to the technical field of smart cities, in particular to a CIM-based model processing method, a CIM-based model processing device, CIM-based model processing equipment and a CIM-based model processing storage medium.
Background
The city information model (City Information Modeling, CIM) technology is a complex of advanced digital technologies such as building information model (Building Information Modeling, BIM), big data, cloud computing, artificial intelligence, internet of things and the like, and is a core technology for constructing a digital twin city. CIM gathers urban overground, ground, underground, past, present, future BIM data, forms the space-time carrier of digital twin city, has provided basis and deployment platform for twin city's analog simulation function. However, the object in the CIM is a BIM model, relying on BIM software (Revit), and in the case of disengaging from the BIM software, some applications related to the object will be affected, resulting in limited application scenarios.
Disclosure of Invention
The embodiment of the application provides a CIM-based model processing method, a CIM-based model processing device, CIM-based model processing equipment and a CIM-based model processing storage medium, so as to solve the problems of the related technology, and the CIM-based model processing method comprises the following steps:
in a first aspect, an embodiment of the present application provides a method for processing a model based on CIM, including:
Acquiring three-dimensional attribute information of a target object in a real space;
based on the three-dimensional attribute information of the target object, generating a three-dimensional grid body of the target object in a target land block of the three-dimensional ground model of the city information model CIM, and storing the corresponding relation between the target land block and the three-dimensional grid body of the target object.
In one embodiment, generating a three-dimensional mesh body of a target object within a target plot to which the target object belongs in a three-dimensional ground model of a CIM based on three-dimensional attribute information of the target object, includes:
Determining a target land block to which the target object belongs in the three-dimensional ground model based on the geographic position contained in the three-dimensional attribute information;
based on the three-dimensional contour information contained in the three-dimensional attribute information, a three-dimensional grid body of the target object is generated at a geographic location contained in the three-dimensional attribute information on the target plot.
In one embodiment, generating a three-dimensional mesh volume of a target object at a geographic location on a target plot where three-dimensional attribute information is contained based on three-dimensional profile information contained by the three-dimensional attribute information, includes:
Generating a base contour of the target object based on base contour information contained in the three-dimensional attribute information, and forming a three-dimensional grid body with a height based on height information corresponding to the base contour information contained in the three-dimensional attribute information to generate the three-dimensional grid body of the target object;
And fusing the three-dimensional grid body of the target object to the geographic position contained by the three-dimensional attribute information on the target land block based on the height information corresponding to the base contour information contained by the three-dimensional attribute information.
In one embodiment, fusing the three-dimensional mesh body of the target object to the geographic location on the target plot included in the three-dimensional attribute information based on the height information corresponding to the base contour information included in the three-dimensional attribute information includes:
Determining the height of the base outline of the three-dimensional grid body of the target object on the target land block based on the height information corresponding to the base outline information contained in the three-dimensional attribute information;
And fusing the three-dimensional grid body of the target object onto the target land block by taking the height of the base outline of the three-dimensional grid body of the target object on the target land block as a reference at the geographic position contained in the three-dimensional attribute information on the target land block.
In one embodiment, fusing the three-dimensional mesh volume of the target object to the target plot at the geographic location that the three-dimensional attribute information contains includes:
fusing the three-dimensional grid body of the target object into the three-dimensional grid bodies of other objects except the generated target object at the geographic position contained in the three-dimensional attribute information on the target land block;
Storing the corresponding relation between the target land parcels and the three-dimensional grid body of the target object comprises the following steps:
And storing the corresponding relation between the three-dimensional grid body of the target land block and the other objects except the generated target object and the three-dimensional grid body of the target object.
In one embodiment, acquiring three-dimensional attribute information of a target object in real space includes:
three-dimensional attribute information is extracted from a building information model BIM of a target object in real space.
In one embodiment, the method further comprises:
Determining the three-dimensional space position of the target point;
Determining a land block where the target point is located and a three-dimensional grid body of the object based on the three-dimensional space position and the corresponding relation of the target point, and determining the position of the target point in the three-dimensional grid body of the object;
And generating a search result corresponding to the target point, wherein the search result at least comprises a land block where the target point is located, a three-dimensional grid body of the object and a position of the target point in the three-dimensional grid body of the object.
In one embodiment, the method further comprises:
based on the corresponding relation, determining a searching direction by taking the target point as a center, and determining three-dimensional grid bodies of other objects around the target point based on the searching direction; the search results also contain three-dimensional mesh volumes of other objects surrounding the target point.
In one embodiment, the method further comprises:
obtaining search results corresponding to at least two target points;
And determining the route of the three-dimensional space body of the path between the at least two target points and the mileage of the route based on the search results corresponding to the at least two target points.
In a second aspect, an embodiment of the present application provides a model processing apparatus based on CIM, including:
The attribute acquisition module is used for acquiring three-dimensional attribute information of a target object in a real space;
the grid body generation module is used for generating a three-dimensional grid body of the target object in a target land block to which the target object belongs in a three-dimensional ground model of the city information model CIM based on the three-dimensional attribute information of the target object, and storing the corresponding relation between the target land block and the three-dimensional grid body of the target object.
In one embodiment, the grid body generating module is specifically configured to:
Determining a target land block to which the target object belongs in the three-dimensional ground model based on the geographic position contained in the three-dimensional attribute information;
based on the three-dimensional contour information contained in the three-dimensional attribute information, a three-dimensional grid body of the target object is generated at a geographic location contained in the three-dimensional attribute information on the target plot.
In one embodiment, the grid body generating module is specifically configured to:
Generating a base contour of a target object based on base contour information contained in the three-dimensional attribute information, and forming a first grid body with a height based on height information corresponding to the base contour information contained in the three-dimensional attribute information to generate a three-dimensional grid body of the target object;
And fusing the three-dimensional grid body of the target object to the geographic position contained by the three-dimensional attribute information on the target land block based on the height information corresponding to the base contour information contained by the three-dimensional attribute information.
In one embodiment, the grid body generating module is specifically configured to:
Determining the height of the base outline of the three-dimensional grid body of the target object on the target land block based on the height information corresponding to the base outline information contained in the three-dimensional attribute information;
And fusing the three-dimensional grid body of the target object onto the target land block by taking the height of the base outline of the three-dimensional grid body of the target object on the target land block as a reference at the geographic position contained in the three-dimensional attribute information on the target land block.
In one embodiment, the grid body generating module is specifically configured to:
fusing the three-dimensional grid body of the target object into the three-dimensional grid bodies of other objects except the generated target object at the geographic position contained in the three-dimensional attribute information on the target land block;
And storing the corresponding relation between the three-dimensional grid body of the target land block and the other objects except the generated target object and the three-dimensional grid body of the target object.
In one embodiment, the attribute obtaining module is specifically configured to:
three-dimensional attribute information is extracted from a building information model BIM of a target object in real space.
In one embodiment, the method further comprises a search positioning module for:
Determining the three-dimensional space position of the target point;
Determining a land block where the target point is located and a three-dimensional grid body of the object based on the three-dimensional space position and the corresponding relation of the target point, and determining the position of the target point in the three-dimensional grid body of the object;
And generating a search result corresponding to the target point, wherein the search result at least comprises a land block where the target point is located, a three-dimensional grid body of the object and a position of the target point in the three-dimensional grid body of the object.
In one embodiment, the search positioning module is further configured to:
based on the corresponding relation, determining a searching direction by taking the target point as a center, and determining three-dimensional grid bodies of other objects around the target point based on the searching direction; the search results also contain three-dimensional mesh volumes of other objects surrounding the target point.
In one embodiment, the search positioning module is further configured to:
obtaining search results corresponding to at least two target points;
And determining the route of the three-dimensional space body of the path between the at least two target points and the mileage of the route based on the search results corresponding to the at least two target points.
In a third aspect, an embodiment of the present application provides an electronic device, including:
At least one processor; and
A memory communicatively coupled to the at least one processor; wherein,
The memory stores instructions executable by the at least one processor to enable the at least one processor to perform the method of any one of the first aspects.
In a fourth aspect, embodiments of the present application provide a non-transitory computer-readable storage medium storing computer instructions for causing a computer to perform the method of any of the first aspects.
The advantages or beneficial effects in the technical scheme at least comprise: three-dimensional attribute information of a target object based on a real space establishes a three-dimensional grid body of the target object on a target land block of a three-dimensional ground model of the CIM, a corresponding relation between the land block and the three-dimensional grid body corresponding to the target object is established in the CIM, and a multi-level three-dimensional space grid containing relation, namely a three-dimensional space relation is formed.
The foregoing summary is for the purpose of the specification only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present application will become apparent by reference to the drawings and the following detailed description.
Drawings
In the drawings, the same reference numerals refer to the same or similar parts or elements throughout the several views unless otherwise specified. The figures are not necessarily drawn to scale. It is appreciated that these drawings depict only some embodiments according to the disclosure and are not therefore to be considered limiting of its scope.
FIG. 1 shows a flow chart of a CIM-based model processing method according to an embodiment of the application;
FIG. 2 shows a schematic representation of an external substrate profile according to an embodiment of the application;
FIG. 3 shows a schematic view of a three-dimensional mesh volume of a target object according to an embodiment of the application;
FIG. 4 shows a schematic diagram of a three-dimensional mesh volume of a target object fused to a target parcel in accordance with an embodiment of the application;
Fig. 5 shows a block diagram of a model processing apparatus based on CIM according to an embodiment of the present application;
fig. 6 is a block diagram showing a structure of a CIM-based model processing apparatus according to an embodiment of the present application;
Fig. 7 shows a block diagram of an electronic device according to an embodiment of the application.
Detailed Description
Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in various different ways without departing from the spirit or scope of the present application. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.
The city information model (City Information Modeling, CIM) technology is a complex of advanced digital technologies such as building information model (Building Information Modeling, BIM), big data, cloud computing, artificial intelligence, internet of things and the like, and is a core technology for constructing a digital twin city. CIM gathers urban overground, ground, underground, past, present, future BIM data, forms the space-time carrier of digital twin city, has provided basis and deployment platform for twin city's analog simulation function. However, the object in the CIM is a BIM model, relying on BIM software (Revit), and in the case of disengaging from the BIM software, some applications related to the object will be affected, resulting in limited application scenarios.
For example, any object in the search positioning CIM is a basic function which should be realized after city digitization, and fine management and rational planning can be developed on the basis. At present, the search technology specially aiming at CIM is less, and is mostly based on search of BIM model components, but the search application program interface (Application Programming Interface, API) provided by BIM software is relied on, and under the condition of separating from BIM software, the application of search is influenced, so that the application scene is limited.
For this reason, the embodiment of the application provides a model processing scheme based on CIM, and the detailed description is given below.
Fig. 1 shows a flowchart of a CIM-based model processing method according to an embodiment of the present application. As shown in fig. 1, the method includes:
step S101: three-dimensional attribute information of a target object in a real space is acquired.
Step S102: based on the three-dimensional attribute information of the target object, generating a three-dimensional grid body of the target object in a target land block to which the target object belongs in a three-dimensional ground model of the CIM, and storing the corresponding relation between the target land block and the three-dimensional grid body of the target object.
The object in real space may be a building unit, an internal member of the building unit or a placed accessory object, for example, a building, a floor inside the building, a room or corridor inside the floor, or a door of the room or corridor, a desk, an electrical appliance, or other accessory objects. The above target object is the object currently being processed.
The coordinate system of the three-dimensional ground model comprises an x axis, a y axis and a z axis, wherein the x axis and the y axis are on the horizontal ground, and the z axis is vertical to the horizontal ground and represents the height relative to the ground. The three-dimensional ground model is divided into plots, the plots can be divided according to administrative divisions of real space, the administrative divisions are data of xy planes, the urban planning department can define the height (namely the maximum height of a z axis) of the plots allowed to be constructed, and therefore coarse-grained grids of the plots can be determined, and the plots are referred to as plots A (the interior of the plots A is provided with a three-dimensional structure with deep lines to illustrate an object) and plots B, which are illustrated in fig. 2, and the plots are like grids, so that the divided plots are also called as plots grids. For example, one cell is one plot and one office park is one plot. There is at least one object in a plot. For example, there is at least one office building in an office park, and an office desk, an elevator, an air conditioner, and the like are located inside one office building. The land block to which the target object belongs is the target land block.
In practical applications, the three-dimensional mesh body may be generated based on a mesh generation algorithm.
In the scheme, three-dimensional attribute information of a target object based on a real space establishes a three-dimensional grid body of the target object on a target land block of a three-dimensional ground model of the CIM, a corresponding relation between the land block and the three-dimensional grid body corresponding to the target object is established in the CIM, and a multi-level three-dimensional space grid containing relation, namely a three-dimensional space relation is formed.
In one embodiment, the three-dimensional attribute information includes three-dimensional contour information and a geographic location of the target object, and correspondingly, in step S102, based on the three-dimensional attribute information of the target object, a three-dimensional grid body of the target object is generated in a target land parcel to which the target object belongs in a three-dimensional ground model of the CIM, and the specific implementation manner may include: determining a target land block to which the target object belongs in the three-dimensional ground model based on the geographic position contained in the three-dimensional attribute information; based on the three-dimensional contour information contained in the three-dimensional attribute information, a three-dimensional grid body of the target object is generated at a geographic location contained in the three-dimensional attribute information on the target plot.
For example, the target object is a building, then the target land block to which the building belongs is determined in the three-dimensional ground model based on the geographic position included in the three-dimensional attribute information of the building, and then the three-dimensional grid body of the building is generated at the geographic position of the building on the target land block based on the three-dimensional contour information included in the three-dimensional attribute information of the building.
Therefore, the target land block to which the target object belongs is found based on the geographic position in the three-dimensional attribute information, and then the three-dimensional grid body of the target object is generated on the target land block based on the three-dimensional contour information in the three-dimensional attribute information, so that the three-dimensional grid body of the target object can be quickly and accurately generated.
In one embodiment, based on the three-dimensional profile information contained in the three-dimensional attribute information, a three-dimensional grid body of the target object is generated at a geographic location contained in the three-dimensional attribute information on the target land parcel, and the specific implementation method may include: generating a base contour of the target object based on base contour information contained in the three-dimensional attribute information, and forming a three-dimensional grid body with a height based on height information corresponding to the base contour information contained in the three-dimensional attribute information to generate the three-dimensional grid body of the target object; and fusing the three-dimensional grid body of the target object to the geographic position contained by the three-dimensional attribute information on the target land block based on the height information corresponding to the base contour information contained by the three-dimensional attribute information.
Here, the substrate profile information may be xy two-dimensional coordinate information. The height information may be z-coordinate information.
Still referring to a building, for example, a base outline of the building is generated based on base outline information included in three-dimensional attribute information of the building, as shown in fig. 3, then a three-dimensional grid body with height is formed based on height information included in three-dimensional attribute information of the building, as shown in fig. 4, the grid size in the figure is merely used as an example, so as to obtain the three-dimensional grid body of the building, and then the three-dimensional grid body is fused to a geographic position of the building on a target land based on the height information of the building.
Thus, the substrate contour of the target object is obtained first, and then the three-dimensional grid body is generated through high stretching, so that the method is simple and quick. In one embodiment, based on the height information corresponding to the base contour information included in the three-dimensional attribute information, the three-dimensional grid body of the target object is fused to the geographic position included in the three-dimensional attribute information on the target land, and the specific implementation manner may include: determining the height of the base outline of the three-dimensional grid body of the target object on the target land block based on the height information corresponding to the base outline information contained in the three-dimensional attribute information; and fusing the three-dimensional grid body of the target object onto the target land block by taking the height of the base outline of the three-dimensional grid body of the target object on the target land block as a reference at the geographic position contained in the three-dimensional attribute information on the target land block. Therefore, the height of the substrate of the three-dimensional grid body in the three-dimensional ground model is found, and then the three-dimensional grid body and the three-dimensional ground model are fused based on the height, so that the fusion is quicker and more accurate.
In one embodiment, the three-dimensional grid body of the target object is fused to the geographic position included in the three-dimensional attribute information on the target land parcel, and the specific implementation method may include: and fusing the three-dimensional grid body of the target object into the three-dimensional grid bodies of other objects except the generated target object at the geographic position contained in the three-dimensional attribute information on the target land parcel.
Objects other than the target object herein can be spatially contained directly within the target object. For example, if the target object is a floor inside a building, other objects of the floor can be directly contained as the building, if the target object is a room or a corridor of a floor, other objects of the room or the corridor can be directly contained as the floor, and if the target object is a door, a desk, an air conditioner, or other auxiliary objects of the room or the corridor can be directly contained as the room.
If a three-dimensional mesh body of an object other than the target object is generated, the three-dimensional mesh body of the target object needs to be fused into the generated three-dimensional mesh body of the other object capable of containing the target object. Still for example, first, a building is taken as a target object, and a three-dimensional grid body of the building is generated and can be directly fused into a target land block; then, the three-dimensional mesh body of the floor inside the building is generated by taking the floor inside the building as a target object, and at this time, since the three-dimensional mesh body of the building is already generated, the three-dimensional mesh body of the floor needs to be fused into the three-dimensional mesh body of the building; then, the three-dimensional mesh body of the room in the floor is generated by taking the room in the floor as a target object, and at this time, the three-dimensional mesh body of the floor is generated, so that the three-dimensional mesh body of the room needs to be fused into the three-dimensional mesh body of the floor; finally, the three-dimensional mesh body of the accessory object is generated by using the door, desk or air conditioner accessory object in the room as the target object, and at this time, since the three-dimensional mesh body of the room is already generated, the three-dimensional mesh body of the accessory object needs to be fused into the three-dimensional mesh body of the room. In this way, a multi-level spatial relationship is formed.
Correspondingly, the corresponding relation between the target land parcels and the three-dimensional grid body of the target object is saved, and the specific implementation method can comprise the following steps: and storing the corresponding relation between the three-dimensional grid body of the target land block and the other objects except the generated target object and the three-dimensional grid body of the target object.
Therefore, three-dimensional space grid inclusion relations among the plots, the three-dimensional grid bodies of other objects except the generated target object and the three-dimensional space grid bodies of the target object can be established, more levels of three-dimensional space grid inclusion relations are obtained, which plots have which objects and the relations among the objects can be clearly known through the relations, and the CIM is more consistent with the real space.
In one embodiment, in step S101, three-dimensional attribute information of a target object in a real space is acquired, and a specific implementation manner may include: three-dimensional attribute information is extracted from BIM of a target object in real space. In practical application, BIM of the target object can be imported, three-dimensional attribute information required by generating the three-dimensional grid body is directly extracted from the BIM, and information extraction is faster.
Of course, the three-dimensional attribute information of the target object may be obtained by other methods, which are not listed here.
In CIM obtained based on the scheme, BIM software is not relied on, and searching and positioning can be achieved. Based on this, in one embodiment, the above model processing method based on CIM may further include: determining the three-dimensional space position of the target point; determining a land block where the target point is located and a three-dimensional grid body of the object based on the three-dimensional space position and the corresponding relation of the target point, and determining the position of the target point in the three-dimensional grid body of the object; and generating a search result corresponding to the target point, wherein the search result at least comprises a land block where the target point is located, a three-dimensional grid body of the object and a position of the target point in the three-dimensional grid body of the object.
The above target point may be the location of the occurrence of an event (e.g., a valve leak), the geographic location of the user or the geographic location of the user's destination, the location of an object, etc. For example, the target point is a room of the building a where the user is currently located, and the search result may include a plot where the target point is located, a three-dimensional grid of a room of the building a where the target point is located, and a location in the three-dimensional grid of a room of the building a where the target point is located.
The three-dimensional space position of the target point can be x, y and z three-dimensional space coordinates, based on the three-dimensional space coordinates, the land block to which the target point belongs and the three-dimensional grid body of the object to which the target point belongs can be determined, and the three-dimensional space position of the target point in the three-dimensional grid body is generated, and a search result at least comprising the land block to which the target point is located, the three-dimensional grid body of the object to which the target point belongs and the position of the target point in the three-dimensional grid body of the object to which the target point belongs is generated, so that the positioning search of the three-dimensional space is realized.
The traditional positioning methods in the related art are screening modes based on two-dimensional attribute information, definition rules and the like, and the methods not only limit the application scene of searching, but also do not fully utilize the three-dimensional attribute of the data.
The grid is a common research tool in geospatial science, the continuous two-dimensional plane is divided into adjacent grids which are not intersected, and the target position can be rapidly positioned by judging the inclusion relation between the target point positions and the grids. The embodiment of the application utilizes the characteristic, realizes the positioning search of the three-dimensional space according to the three-dimensional space relation, and compared with the traditional positioning method, the positioning is more accurate.
In one embodiment, the above CIM-based model processing method may further include: based on the correspondence, a three-dimensional mesh body of other objects around the target point is determined. The search results may also include three-dimensional mesh volumes of other objects surrounding the target point. Still exemplified by a user currently in a room of three floors of building a, the search results may also include three-dimensional grid bodies of desks, elevators, air conditioners, etc. within the room of three floors of building a. In this way, the search results are more comprehensive.
In one embodiment, the above CIM-based model processing method may further include: obtaining search results corresponding to at least two target points; based on the search results corresponding to the at least two target points, a route of the three-dimensional space body of the route between the at least two target points and a mileage of the route are determined.
For a target point within a three-dimensional mesh volume of an object, a route of a three-dimensional space volume within the object to which the target point of the pathway belongs may be determined based on the three-dimensional mesh volume of the object to which the target point belongs. The mileage of the route can be calculated by the number of grids of the route.
For example, the user currently takes the position of a room in three floors of building a, i.e., target point a, wants to go to a room in two floors of building B, i.e., target point B, and then needs to acquire the search result of target point a and the search result of target point B, determine the route of the three-dimensional space body routed between target point a and target point B and the mileage of the route, and the route includes the route from the doorway of building a to the xy two-dimensional plane of the doorway of building B, and also includes the route from the target point a of three floors to the three-dimensional space body of the doorway of building a (e.g., the route from the target point a to the stairs, the route from the stairs to the doorway), and the route from the doorway of building B to the three-dimensional space body of the target point B of two floors of building B.
Therefore, route navigation in a three-dimensional space can be realized, and compared with the navigation of a two-dimensional route in the related technology, the navigation result is more accurate. Moreover, the navigation application is realized without depending on BIM software, so that the limitation of application scenes is avoided.
For a three-dimensional space, 360-degree omnibearing search is performed, the efficiency is low, and when the three-dimensional grid body of other objects around the target point is determined for improving the search efficiency, the search direction can be determined by taking the target point as the center based on the corresponding relation, and the three-dimensional grid body of other objects around the target point can be determined based on the search direction. For example, the target point is the position of the valve water leakage, based on the corresponding relation, the pipeline associated with the valve at the target point can be known, the direction of the pipeline associated with the valve at the target point is taken as the search direction, and the three-dimensional grid body of the surrounding pipelines can be determined.
In CIM, through three-dimensional space relation, human thinking mode can be imitated, surrounding environment information is comprehensively perceived, and surrounding objects are known, so that directional searching objects are realized, intelligent directional searching is realized, and object searching efficiency in CIM city scenes is improved.
Compared with the prior art, the embodiment of the application has the following beneficial effects: the search limited to BIM data components is extended to the search of the whole city CIM object, and the application range of the search function is extended from a single BIM building to a CIM city-level organic whole. The three-dimensional space relation is used for solving the searching problem, so that the searching response speed facing to urban mass data is improved, the three-dimensional accuracy of the CIM platform is maintained, and the method is favorable for developing higher-level urban true three-dimensional application. Meanwhile, as the directional search technology of the humanoid thinking is applied, the search process and the search result can bring more practical reference significance to the user.
Fig. 5 is a block diagram illustrating a structure of a CIM-based model processing apparatus according to an embodiment of the present application, and as shown in fig. 5, the CIM-based model processing apparatus includes:
The attribute obtaining module 510 is configured to obtain three-dimensional attribute information of a target object in a real space;
The grid body generating module 520 is configured to generate a three-dimensional grid body of the target object in a target land block to which the target object belongs in a three-dimensional ground model of the city information model CIM based on three-dimensional attribute information of the target object, and store a correspondence between the target land block and the three-dimensional grid body of the target object.
In one embodiment, the mesh generation module 520 is specifically configured to:
Determining a target land block to which the target object belongs in the three-dimensional ground model based on the geographic position contained in the three-dimensional attribute information;
based on the three-dimensional contour information contained in the three-dimensional attribute information, a three-dimensional grid body of the target object is generated at a geographic location contained in the three-dimensional attribute information on the target plot.
In one embodiment, the mesh generation module 520 is specifically configured to:
Generating a base contour of a target object based on base contour information contained in the three-dimensional attribute information, and forming a first grid body with a height based on height information corresponding to the base contour information contained in the three-dimensional attribute information to generate a three-dimensional grid body of the target object;
And fusing the three-dimensional grid body of the target object to the geographic position contained by the three-dimensional attribute information on the target land block based on the height information corresponding to the base contour information contained by the three-dimensional attribute information.
In one embodiment, the mesh generation module 520 is specifically configured to:
Determining the height of the base outline of the three-dimensional grid body of the target object on the target land block based on the height information corresponding to the base outline information contained in the three-dimensional attribute information;
And fusing the three-dimensional grid body of the target object onto the target land block by taking the height of the base outline of the three-dimensional grid body of the target object on the target land block as a reference at the geographic position contained in the three-dimensional attribute information on the target land block.
In one embodiment, the mesh generation module 520 is specifically configured to:
fusing the three-dimensional grid body of the target object into the three-dimensional grid bodies of other objects except the generated target object at the geographic position contained in the three-dimensional attribute information on the target land block;
And storing the corresponding relation between the three-dimensional grid body of the target land block and the other objects except the generated target object and the three-dimensional grid body of the target object.
In one embodiment, the attribute obtaining module 510 is specifically configured to:
three-dimensional attribute information is extracted from a building information model BIM of a target object in real space.
In one embodiment, as shown in fig. 6, the method further includes a search positioning module 530 for:
Determining the three-dimensional space position of the target point;
Determining a three-dimensional grid body of the land block where the target point is located and the object to which the target point belongs based on the three-dimensional space position of the target point and the corresponding relation, and determining the position of the target point in the three-dimensional grid body of the object to which the target point belongs;
And generating a search result corresponding to the target point, wherein the search result at least comprises a land block where the target point is located, a three-dimensional grid body of the object and a position of the target point in the three-dimensional grid body of the object.
In one embodiment, the search positioning module 530 is further configured to:
Based on the corresponding relation, a searching direction is determined by taking the target point as a center, and based on the searching direction, three-dimensional grid bodies of other objects around the target point are determined; the search results also contain three-dimensional mesh volumes of other objects surrounding the target point.
In one embodiment, the search positioning module 530 is further configured to:
obtaining search results corresponding to at least two target points;
And determining the route of the three-dimensional space body of the path between the at least two target points and the mileage of the route based on the search results corresponding to the at least two target points.
The functions of each module in each device in the embodiments of the present application may be referred to the corresponding descriptions in the CIM-based model processing method in the above embodiments, which are not described herein again.
Fig. 7 shows a block diagram of an electronic device according to an embodiment of the application. As shown in fig. 7, the electronic device includes:
at least one processor 610; and
A memory 620 communicatively coupled to the at least one processor 610; wherein,
The memory 620 stores instructions executable by the at least one processor 610 to enable the at least one processor 610 to perform the CIM-based model processing methods of the above embodiments.
The apparatus further comprises:
And the communication interface 730 is used for communicating with external devices for data interactive transmission.
If memory 710, processor 720, and communication interface 730 are implemented independently, memory 710, processor 720, and communication interface 730 may be interconnected and communicate with each other via a bus. The bus may be an industry standard architecture (Industry Standard Architecture, ISA) bus, an external device interconnect (PERIPHERAL COMPONENT INTERCONNECT, PCI) bus, or an extended industry standard architecture (Extended Industry Standard Architecture, EISA) bus, among others. The bus may be classified as an address bus, a data bus, a control bus, etc. For ease of illustration, only one thick line is shown in fig. 7, but not only one bus or one type of bus.
Alternatively, in a specific implementation, if the memory 710, the processor 720, and the communication interface 730 are integrated on a chip, the memory 710, the processor 720, and the communication interface 730 may communicate with each other through internal interfaces.
The embodiment of the application provides a computer readable storage medium storing a computer program which when executed by a processor implements the CIM-based model processing method provided in the embodiment of the application.
The embodiment of the application also provides a chip, which comprises a processor, wherein the processor is used for calling and running instructions stored in the memory from the memory, so that the communication equipment provided with the chip executes the CIM-based model processing method provided by the embodiment of the application.
The embodiment of the application also provides a chip, which comprises: the CIM model processing method comprises the steps of connecting an input interface, an output interface, a processor and a memory through an internal connecting channel, wherein the input interface, the output interface, the processor and the memory are used for executing codes in the memory, and when the codes are executed, the processor is used for executing the CIM model processing method.
It should be appreciated that the processor may be a central processing unit (Central Processing Unit, CPU), other general purpose processor, digital signal processor (DIGITAL SIGNAL processing, DSP), application Specific Integrated Circuit (ASIC), field programmable gate array (fieldprogrammablegate array, FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware components, etc. A general purpose processor may be a microprocessor or any conventional processor or the like. It is noted that the processor may be a processor supporting an advanced reduced instruction set machine (ADVANCED RISC MACHINES, ARM) architecture.
Further, optionally, the memory may include a read-only memory and a random access memory, and may further include a nonvolatile random access memory. The memory may be volatile memory or nonvolatile memory, or may include both volatile and nonvolatile memory. The nonvolatile memory may include a read-only memory (ROM), a Programmable ROM (PROM), an erasable programmable ROM (erasable PROM), an electrically erasable programmable EPROM (EEPROM), or a flash memory, among others. Volatile memory can include random access memory (random access memory, RAM), which acts as external cache memory. By way of example, and not limitation, many forms of RAM are available. For example, static random access memory (STATIC RAM, SRAM), dynamic random access memory (dynamic random access memory, DRAM), synchronous Dynamic Random Access Memory (SDRAM), double data rate synchronous dynamic random access memory (double DATA DATE SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (ENHANCED SDRAM, ESDRAM), synchronous link dynamic random access memory (SYNCHLINK DRAM, SLDRAM), and direct memory bus random access memory (direct rambus RAM, DR RAM).
In the above embodiments, it may be implemented in whole or in part by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on a computer, the processes or functions in accordance with the present application are fully or partially produced. The computer may be a general purpose computer, a special purpose computer, a computer network, or other programmable apparatus. Computer instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Any process or method description in a flowchart or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process. And the scope of the preferred embodiments of the present application includes additional implementations in which functions may be performed in a substantially simultaneous manner or in an opposite order from that shown or discussed, including in accordance with the functions that are involved.
Logic and/or steps represented in the flowcharts or otherwise described herein, e.g., a ordered listing of executable instructions for implementing logical functions, can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions.
It is to be understood that portions of the present application may be implemented in hardware, software, firmware, or a combination thereof. In the above-described embodiments, the various steps or methods may be implemented in software or firmware stored in a memory and executed by a suitable instruction execution system. All or part of the steps of the methods of the embodiments described above may be performed by a program that, when executed, comprises one or a combination of the steps of the method embodiments, instructs the associated hardware to perform the method.
In addition, each functional unit in the embodiments of the present application may be integrated in one processing module, or each unit may exist alone physically, or two or more units may be integrated in one module. The integrated modules may be implemented in hardware or in software functional modules. The integrated modules described above, if implemented in the form of software functional modules and sold or used as a stand-alone product, may also be stored in a computer-readable storage medium. The storage medium may be a read-only memory, a magnetic or optical disk, or the like.
The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any person skilled in the art will readily recognize that various changes and substitutions are possible within the scope of the present application. Therefore, the protection scope of the application is subject to the protection scope of the claims.
Claims (14)
1. A CIM-based model processing method, comprising:
acquiring three-dimensional attribute information of a target object in a real space; wherein the target object comprises a building element and an interior component or an accessory object of the building element;
Determining a target land block to which the target object belongs in a three-dimensional ground model of a city information model CIM based on the geographic position contained in the three-dimensional attribute information;
Generating a base contour of the target object based on base contour information contained in the three-dimensional attribute information, and forming a three-dimensional grid body with height based on height information corresponding to the base contour information contained in the three-dimensional attribute information so as to generate the three-dimensional grid body of the target object;
Fusing the three-dimensional grid body of the target object to a geographic position on the target land block, wherein the geographic position is contained in the three-dimensional attribute information, based on the height information corresponding to the base contour information contained in the three-dimensional attribute information;
storing the corresponding relation between the target land parcels and the three-dimensional grid body of the target object to establish a multi-level three-dimensional space grid containing relation;
The fusing the three-dimensional grid body of the target object to the geographic position contained in the three-dimensional attribute information on the target land parcel comprises the following steps:
Fusing the three-dimensional grid body of the target object into the three-dimensional grid bodies of other objects except the target object, which are generated at the geographic position contained in the three-dimensional attribute information on the target land block;
The storing the corresponding relation between the target land parcels and the three-dimensional grid body of the target object comprises the following steps:
and storing the corresponding relation between the target land parcels, the generated three-dimensional grid bodies of other objects except the target object and the three-dimensional grid bodies of the target object.
2. The method according to claim 1, wherein the fusing the three-dimensional mesh body of the target object to the geographic location on the target land parcel where the three-dimensional attribute information is included based on the height information corresponding to the base profile information included in the three-dimensional attribute information, includes:
Determining the height of the base outline of the three-dimensional grid body of the target object on the target land block based on the height information corresponding to the base outline information contained in the three-dimensional attribute information;
And fusing the three-dimensional grid body of the target object to the target land block by taking the height of the base outline of the three-dimensional grid body of the target object on the target land block as a reference at the geographic position contained in the three-dimensional attribute information on the target land block.
3. The method according to claim 1, wherein the acquiring three-dimensional attribute information of the target object in the real space includes:
and extracting the three-dimensional attribute information from a building information model BIM of the target object in real space.
4. A method according to any one of claims 1-3, further comprising:
Determining the three-dimensional space position of the target point;
determining a three-dimensional space position of the target point and a three-dimensional grid body of the object to which the target point belongs based on the three-dimensional space position of the target point and the corresponding relation, and determining the position of the target point in the three-dimensional grid body of the object to which the target point belongs;
and generating a search result corresponding to the target point, wherein the search result at least comprises a land block where the target point is located, a three-dimensional grid body of the object, and the position of the target point in the three-dimensional grid body of the object.
5. The method as recited in claim 4, further comprising:
determining a search direction by taking the target point as a center based on the corresponding relation, and determining three-dimensional grid bodies of other objects around the target point based on the search direction; the search results also include three-dimensional mesh volumes of other objects surrounding the target point.
6. The method as recited in claim 4, further comprising:
obtaining search results corresponding to at least two target points;
And determining the route of the three-dimensional space body of the path between the at least two target points and the mileage of the route based on the search results corresponding to the at least two target points.
7. A CIM-based model processing apparatus, comprising:
The attribute acquisition module is used for acquiring three-dimensional attribute information of a target object in a real space; wherein the target object comprises a building element and an interior component or an accessory object of the building element;
The grid body generation module is used for determining a target land block to which the target object belongs in a three-dimensional ground model of the city information model CIM based on the geographic position contained in the three-dimensional attribute information; generating a base contour of the target object based on base contour information contained in the three-dimensional attribute information, and forming a three-dimensional grid body with height based on height information corresponding to the base contour information contained in the three-dimensional attribute information so as to generate the three-dimensional grid body of the target object; fusing the three-dimensional grid body of the target object to a geographic position on the target land block, wherein the geographic position is contained in the three-dimensional attribute information, based on the height information corresponding to the base contour information contained in the three-dimensional attribute information; storing the corresponding relation between the target land parcels and the three-dimensional grid body of the target object to establish a multi-level three-dimensional space grid containing relation;
The grid generation module is further used for fusing the three-dimensional grid of the target object into the three-dimensional grids of other objects except the target object, which are generated at the geographic position included by the three-dimensional attribute information on the target land block; and storing the corresponding relation between the target land parcels, the generated three-dimensional grid bodies of other objects except the target object and the three-dimensional grid bodies of the target object.
8. The apparatus of claim 7, wherein the grid body generation module is specifically configured to:
Determining the height of the base outline of the three-dimensional grid body of the target object on the target land block based on the height information corresponding to the base outline information contained in the three-dimensional attribute information;
And fusing the three-dimensional grid body of the target object to the target land block by taking the height of the base outline of the three-dimensional grid body of the target object on the target land block as a reference at the geographic position contained in the three-dimensional attribute information on the target land block.
9. The apparatus of claim 7, wherein the attribute acquisition module is specifically configured to:
and extracting the three-dimensional attribute information from a building information model BIM of the target object in real space.
10. The apparatus according to any of claims 7-9, further comprising a search positioning module configured to:
Determining the three-dimensional space position of the target point;
determining a three-dimensional space position of the target point and a three-dimensional grid body of the object to which the target point belongs based on the three-dimensional space position of the target point and the corresponding relation, and determining the position of the target point in the three-dimensional grid body of the object to which the target point belongs;
and generating a search result corresponding to the target point, wherein the search result at least comprises a land block where the target point is located, a three-dimensional grid body of the object, and the position of the target point in the three-dimensional grid body of the object.
11. The apparatus of claim 10, wherein the search positioning module is further configured to:
determining a search direction by taking the target point as a center based on the corresponding relation, and determining three-dimensional grid bodies of other objects around the target point based on the search direction; the search results also include three-dimensional mesh volumes of other objects surrounding the target point.
12. The apparatus of claim 10, wherein the search positioning module is further configured to:
obtaining search results corresponding to at least two target points;
And determining the route of the three-dimensional space body of the path between the at least two target points and the mileage of the route based on the search results corresponding to the at least two target points.
13. An electronic device, comprising:
At least one processor; and
A memory communicatively coupled to the at least one processor; wherein,
The memory stores instructions executable by the at least one processor to enable the at least one processor to perform the method of any one of claims 1-6.
14. A non-transitory computer readable storage medium storing computer instructions for causing the computer to perform the method of any one of claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110369207.6A CN113096251B (en) | 2021-04-06 | 2021-04-06 | Model processing method, device, equipment and storage medium based on CIM |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110369207.6A CN113096251B (en) | 2021-04-06 | 2021-04-06 | Model processing method, device, equipment and storage medium based on CIM |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113096251A CN113096251A (en) | 2021-07-09 |
| CN113096251B true CN113096251B (en) | 2024-06-21 |
Family
ID=76674092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110369207.6A Active CN113096251B (en) | 2021-04-06 | 2021-04-06 | Model processing method, device, equipment and storage medium based on CIM |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113096251B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114780666B (en) * | 2022-06-23 | 2022-09-27 | 四川见山科技有限责任公司 | Road label optimization method and system in digital twin city |
| CN116992167B (en) * | 2023-09-22 | 2024-01-23 | 深圳市智慧城市科技发展集团有限公司 | Address searching method, system and computer readable storage medium |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105203095A (en) * | 2015-09-14 | 2015-12-30 | 博康云信科技有限公司 | Indoor three-dimensional space real-time route navigation method and system |
| CN110874391A (en) * | 2019-09-29 | 2020-03-10 | 北京旋极伏羲科技有限公司 | Data fusion and display method based on urban space three-dimensional grid model |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108182650B (en) * | 2017-12-22 | 2021-02-02 | 王金刚 | City space Beidou grid identification and simulation visualization system |
| CN109685029B (en) * | 2018-12-28 | 2023-07-11 | 东莞中国科学院云计算产业技术创新与育成中心 | Flexible object identification method, device, equipment and medium with complex space structure |
| CN110807835B (en) * | 2019-10-25 | 2021-03-30 | 南京工业大学 | Building BIM model and live-action three-dimensional model fusion method |
| CN111310624B (en) * | 2020-02-05 | 2023-11-21 | 腾讯科技（深圳）有限公司 | Occlusion recognition method, occlusion recognition device, computer equipment and storage medium |
| CN111667586A (en) * | 2020-06-09 | 2020-09-15 | 中亿丰建设集团股份有限公司 | Building information data processing method and system based on digital twin |
| CN112287138B (en) * | 2020-10-15 | 2022-11-15 | 广州市城市规划勘测设计研究院 | Organization scheduling method, device and equipment of city information model |
| CN112149217A (en) * | 2020-11-03 | 2020-12-29 | 苍穹数码技术股份有限公司 | Method and device for generating three-dimensional indoor navigation scene, electronic equipment and storage medium |
| CN112150619B (en) * | 2020-11-26 | 2021-04-13 | 武大吉奥信息技术有限公司 | Method for rapidly loading large data volume in GIS three-dimensional scene |
-
2021
- 2021-04-06 CN CN202110369207.6A patent/CN113096251B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105203095A (en) * | 2015-09-14 | 2015-12-30 | 博康云信科技有限公司 | Indoor three-dimensional space real-time route navigation method and system |
| CN110874391A (en) * | 2019-09-29 | 2020-03-10 | 北京旋极伏羲科技有限公司 | Data fusion and display method based on urban space three-dimensional grid model |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113096251A (en) | 2021-07-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR102199940B1 (en) | Method of constructing 3D map of mobile 3D digital twin using 3D engine | |
| CN109934914A (en) | A kind of embedded urban design scene simulation method and system | |
| CN113096251B (en) | Model processing method, device, equipment and storage medium based on CIM | |
| CN112859859A (en) | Dynamic grid map updating method based on three-dimensional obstacle object pixel object mapping | |
| CN112784002B (en) | Virtual scene generation method, device, equipment and storage medium | |
| US20180173239A1 (en) | Method and system for updating occupancy map based on super ray | |
| CN110909093B (en) | Method and device for constructing intelligent landmark control network | |
| EP4116935B1 (en) | High-definition map creation method and device, and electronic device | |
| CN104616345A (en) | Octree forest compression based three-dimensional voxel access method | |
| CN112329789B (en) | Point cloud extraction method and device, computer equipment and storage medium | |
| CN105786822A (en) | Method and device for inquiring spatial object and establishing spatial index in electronic map | |
| CN105719219A (en) | GIS space analysis based dividing method for cultural heritage protection divisions | |
| CN110059209A (en) | Information of real estate display methods, device, equipment and storage medium | |
| CN109992640A (en) | Determination method and device, equipment and the storage medium of position grid | |
| CN110990919A (en) | Three-dimensional GIS route selection design analysis method for urban rail transit | |
| CN111027004A (en) | Construction method and application method of off-line earthquake disaster damage assessment system | |
| CN106294484A (en) | A kind of method and device updating electronic map data | |
| CN115797568A (en) | Modeling method and device based on three-dimensional GIS and BIM integration | |
| CN108563859B (en) | Method for rapidly generating building model for individual indoor positioning navigation | |
| CN107169080A (en) | A kind of geospatial analysis system being combined based on GIS and spatial database | |
| CN108364348A (en) | A kind of regulatory control verification method, system and the platform of urban design | |
| Trybała et al. | Development of a building topological model for indoor navigation | |
| CN104090945A (en) | Geographic space entity constructing method and system | |
| CN116912817A (en) | Three-dimensional scene model splitting method and device, electronic equipment and storage medium | |
| CN113989680B (en) | Automatic building three-dimensional scene construction method and system |
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 |