CN114387413A - Three-dimensional map generation method and system based on visualization engine - Google Patents
Three-dimensional map generation method and system based on visualization engine Download PDFInfo
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- CN114387413A CN114387413A CN202210041706.7A CN202210041706A CN114387413A CN 114387413 A CN114387413 A CN 114387413A CN 202210041706 A CN202210041706 A CN 202210041706A CN 114387413 A CN114387413 A CN 114387413A
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- 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
- G06T17/05—Geographic models
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- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
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- G06T15/00—3D [Three Dimensional] image rendering
- G06T15/005—General purpose rendering architectures
Abstract
The invention discloses a three-dimensional map generation method and a three-dimensional map generation system based on a visualization engine, wherein the three-dimensional map generation method based on the visualization engine comprises the following steps: customizing a plurality of groups of geographic information components by using a visualization engine; establishing an original map layer by using a geographic information technology, and marking a coordinate area of a real object in the original map layer according to real space information; modeling a real object by using a BIM technology to obtain a corresponding 3D model; superposing the 3D model to a coordinate area of a real object to obtain a three-dimensional map layer; and according to the user operation instruction, performing effect rendering on the three-dimensional map layer by using the multiple groups of geographic information assemblies to generate the three-dimensional map. The technical scheme of the invention can solve the problem of poor recognition rate of the three-dimensional map in the prior art.
Description
Technical Field
The invention relates to the technical field of three-dimensional maps, in particular to a three-dimensional map generation method and a three-dimensional map generation system based on a visualization engine.
Background
Three-dimensional maps or 3D maps are three-dimensional and abstract descriptions of one or more aspects of the real world or a part thereof in a scale based on a three-dimensional map database. The three-dimensional map can provide a common map retrieval function for a user through an intuitive geographical live-action simulation expression mode, and can integrate a series of services such as life information, e-government affairs, e-commerce, virtual communities, travel navigation and the like.
Most of the existing three-dimensional map generation methods are carried out on the basis of two-dimensional maps. Specifically, the method comprises the following steps: selecting a mapping point set based on the two-dimensional map; selecting associated points of the mapping points from the three-dimensional map data set; determining height data of the mapping points according to the three-dimensional data of the associated points and the two-dimensional data of the mapping points; and processing the two-dimensional map data set corresponding to the two-dimensional map based on the height data of all the mapping points in the mapping point set to generate a three-dimensional map corresponding to the two-dimensional map.
The three-dimensional map generated by the three-dimensional map generation method is rough and not vivid enough, so that the recognition rate of the three-dimensional map is poor.
Disclosure of Invention
The invention provides a three-dimensional map generation method and a three-dimensional map generation system based on a visualization engine, and aims to solve the problem that the recognition rate of a three-dimensional map is poor in the prior art.
According to a first aspect of the present invention, the present invention provides a three-dimensional map generation method based on a visualization engine, including:
customizing a plurality of groups of geographic information components by using a visualization engine;
establishing an original map layer by using a geographic information technology, and marking a coordinate area of a real object in the original map layer according to real space information;
modeling a real object by using a BIM technology to obtain a corresponding 3D model;
superposing the 3D model to a coordinate area of a real object to obtain a three-dimensional map layer;
and according to the user operation instruction, performing effect rendering on the three-dimensional map layer by using the multiple groups of geographic information assemblies to generate the three-dimensional map.
Preferably, the step of customizing multiple groups of geographic information components by using the visualization engine includes:
setting a plurality of geographic information components corresponding to the type of the real object by using a visualization engine;
respectively designing a display rule of each geographic information component;
and setting attribute information corresponding to the display rule.
Preferably, the step of marking the coordinate area of the real object in the original map layer according to the real space information includes:
real space information is collected in real time by using a front-end sampling module;
comparing the coordinate information of the real object to be marked in the real space information with the coordinate information of the real object in the original map layer;
and when the coordinate information is successfully compared, marking the coordinate area of the real object in the original map layer.
Preferably, the step of modeling the real object by using the BIM technique to obtain the corresponding 3D model includes:
modeling a real object by using a BIM technology to obtain a 3D model;
establishing a position linkage relation between the 3D model and a real object by using a digital twinning technology;
and sending the 3D model and the position linkage relation to the original map layer so as to display the 3D model in the original map layer in real time.
Preferably, the step of performing effect rendering on the three-dimensional map layer by using a plurality of groups of geographic information assemblies according to the user operation instruction includes:
distributing the geographic information assemblies to corresponding areas in the three-dimensional map layer according to the user operation instruction;
calling a geographic information component to set attribute information for the corresponding area according to a display rule corresponding to the user operation instruction;
and analyzing the attribute information, and setting a corresponding rendering effect for the three-dimensional map.
According to a second aspect of the present invention, the present invention further provides a three-dimensional map generation system based on a visualization engine, including:
the component definition module is used for customizing a plurality of groups of geographic information components by using a visualization engine;
the coordinate marking module is used for establishing an original map layer by using a geographic information technology and marking a coordinate area of a real object in the original map layer according to real space information;
the three-dimensional modeling module is used for modeling the real object by using a BIM technology to obtain a corresponding 3D model;
the model superposition module is used for superposing the 3D model to a coordinate area of a real object to obtain a three-dimensional map layer;
and the layer rendering module is used for performing effect rendering on the three-dimensional map layer by using a plurality of groups of geographic information assemblies according to the user operation instruction to generate the three-dimensional map.
Preferably, the component definition module includes:
the module setting submodule is used for setting various geographic information modules corresponding to the types of the real objects by using a visualization engine;
the rule design submodule is used for respectively designing the display rule of each geographic information component;
and the attribute setting submodule is used for setting attribute information corresponding to the display rule.
Preferably, the coordinate marking module includes:
the information acquisition submodule is used for acquiring real space information in real time by using the front-end sampling module;
the information comparison submodule is used for comparing the coordinate information of the real object to be marked in the real space information with the coordinate information of the real object in the original map layer;
and the area marking submodule is used for marking the coordinate area of the real object in the original map layer when the coordinate information is successfully compared.
Preferably, the three-dimensional modeling module includes:
the BIM modeling submodule is used for modeling the real object by using a BIM technology to obtain a 3D model;
the relation setting submodule is used for establishing a position linkage relation between the 3D model and a real object by using a digital twinning technology;
and the information sending submodule is used for sending the linkage relation between the 3D model and the position to the original map layer so as to display the 3D model in the original map layer in real time.
Preferably, the layer rendering module includes:
the module distribution submodule is used for distributing the geographic information module to a corresponding area in the three-dimensional map layer according to the user operation instruction;
the module calling submodule is used for calling the geographic information module to set attribute information for the corresponding area according to the display rule corresponding to the user operation instruction;
and the rendering setting submodule is used for analyzing the attribute information and setting a corresponding rendering effect for the three-dimensional map.
According to the three-dimensional map generation scheme based on the visualization engine, multiple groups of geographic information assemblies are customized by the visualization engine, so that the geographic information assemblies can describe and add information to different geographic terrains, in addition, the coordinate regions of real objects are marked in an original map layer by collecting real space information, modeling is carried out on the real objects by using a BIM technology, a corresponding 3D model can be obtained, then the 3D model is superposed to the coordinate regions of the real objects, and a three-dimensional map layer can be obtained; and then, using a plurality of groups of corresponding geographic information assemblies to perform attribute setting and description on each area of the three-dimensional map layer and perform rendering of a display effect, thereby generating a final three-dimensional map. In conclusion, the scheme can solve the problems that the three-dimensional map in the background technology is rough and not vivid enough, so that the three-dimensional map recognition rate is poor.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic flow chart of a three-dimensional map generation method based on a visualization engine according to an embodiment of the present invention;
FIG. 2 is a flowchart illustrating a first geographic information component definition method provided by the embodiment shown in FIG. 1;
fig. 3 is a schematic flowchart of a method for marking a coordinate area of a real object according to the embodiment shown in fig. 1;
FIG. 4 is a flow chart illustrating a method for modeling a 3D model according to the embodiment shown in FIG. 1;
FIG. 5 is a flowchart illustrating a rendering method of a three-dimensional map layer according to the embodiment shown in FIG. 1;
fig. 6 is a schematic structural diagram of a three-dimensional map generation system based on a visualization engine according to an embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a component definition module provided in the embodiment shown in FIG. 6;
FIG. 8 is a schematic structural diagram of a coordinate marking module provided in the embodiment of FIG. 6;
FIG. 9 is a schematic structural diagram of a three-dimensional modeling module provided by the embodiment shown in FIG. 6;
fig. 10 is a schematic structural diagram of an image layer rendering module according to the embodiment shown in fig. 6.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The main technical problems of the embodiment of the invention are as follows:
most of the existing three-dimensional map generation methods are carried out on the basis of two-dimensional maps. Specifically, the method comprises the following steps: selecting a mapping point set based on the two-dimensional map; selecting associated points of the mapping points from the three-dimensional map data set; determining height data of the mapping points according to the three-dimensional data of the associated points and the two-dimensional data of the mapping points; and processing the two-dimensional map data set corresponding to the two-dimensional map based on the height data of all the mapping points in the mapping point set to generate a three-dimensional map corresponding to the two-dimensional map. The three-dimensional map generated by the method for generating the three-dimensional map is rough and not vivid enough, so that the recognition rate of the three-dimensional map is poor.
In order to solve the above problem, the following embodiments of the present application provide a flow chart of a three-dimensional map generation method based on a visualization engine. Specifically, as shown in fig. 1, the three-dimensional map generation method based on the visualization engine includes:
s110: and customizing multiple groups of geographic information components by using a visualization engine. The geographic information component is defined by a visualization engine, has different attribute characteristics, and can be described aiming at different landforms, so that the three-dimensional map can be rendered quickly and efficiently.
As a preferred embodiment, as shown in FIG. 2, the step of customizing multiple groups of geographic information components using a visualization engine comprises:
s111: using a visualization engine, a variety of geographic information components corresponding to the type of real-world object are set.
S112: and designing the display rule of each geographic information component respectively.
S113: and setting attribute information corresponding to the display rule.
According to the technical scheme, the geographic information component corresponding to the type of the real object is set through the visualization engine, the display rule and the attribute information are set, the attribute information corresponding to the display rule is used for rendering different real objects, and the three-dimensional map with high definition, high reality and different display effects is obtained.
After defining the plurality of groups of geographic information components using the visualization engine, the three-dimensional map generation method shown in fig. 1 further includes the steps of:
s120: and establishing an original map layer by using a geographic information technology, and marking a coordinate area of a real object in the original map layer according to real space information. The original map layer is established by using a geographic information technology, and the coordinate area of the real object is marked in the original map layer, so that the map with accurate coordinates can be obtained.
Specifically, as a preferred embodiment, as shown in fig. 3, the step of marking the coordinate area of the real object in the original map layer according to the real space information includes:
s121: real space information is collected in real time by using a front-end sampling module;
s122: comparing the coordinate information of the real object to be marked in the real space information with the coordinate information of the real object in the original map layer;
s123: and when the coordinate information is successfully compared, marking the coordinate area of the real object in the original map layer.
According to the technical scheme, real space information is collected in real time by using the front-end sampling module, then the coordinate information of the real object needing to be marked in the real space information is compared with the coordinate information of the real object in the original map layer, whether the coordinate of the real object is correct or not can be strictly and accurately judged, when the coordinate information comparison is successful, the coordinate area of the real object is marked in the original map layer, and the most accurate geographical position information is obtained in real time. And reporting the comparison result when the comparison is unsuccessful.
After the coordinate area of the real object is marked in the original map layer according to the real space information, the three-dimensional map generation method shown in fig. 1 further includes the following steps:
s130: and modeling the real object by using a BIM technology to obtain a corresponding 3D model. The BIM (Building Information Modeling) technology is a new tool for architecture, engineering and civil engineering. The term building information model or building information model was created by Autodesk. For computer aided designs that are based on three-dimensional graphics, object oriented and architecturally relevant. By using the BIM technology, real objects can be modeled quickly and accurately, so that corresponding 3D models are obtained and displayed in a map.
Specifically, as a preferred embodiment, as shown in fig. 4, the step of modeling the real object by using the BIM technique to obtain the corresponding 3D model specifically includes:
s131: modeling a real object by using a BIM technology to obtain a 3D model;
s132: establishing a position linkage relation between the 3D model and a real object by using a digital twinning technology;
s133: and sending the 3D model and the position linkage relation to the original map layer so as to display the 3D model in the original map layer in real time.
The real object is modeled by using the BIM technology, an accurate 3D model can be quickly obtained, the digital twin technology is used for establishing a position linkage relation between the 3D model and the real object, the movement and position relation of the real object in a real scene can be reflected in real time, map information is updated and displayed in real time, then the 3D model and the position linkage relation are sent to an original map layer, the 3D model can be displayed in the original map layer in real time, and the effect of updating and displaying the map information in real time is achieved.
After obtaining the corresponding 3D model, the three-dimensional map generation method shown in fig. 1 further includes the following steps:
s140: and superposing the 3D model to the coordinate area of the real object to obtain a three-dimensional map layer. After the three-dimensional map layer is obtained, the 3D model is superposed to the coordinate area of the real object, so that the three-dimensional map layer can be obtained, further effect rendering and display are carried out on the three-dimensional map layer, and the real geographic landform can be accurately and clearly reflected.
S150: and according to the user operation instruction, performing effect rendering on the three-dimensional map layer by using the multiple groups of geographic information assemblies to generate the three-dimensional map. The three-dimensional map layer is subjected to effect rendering by using the multiple groups of geographic information assemblies according to the user operation instruction, different types of geographic landforms can be rendered and distinguished, and the map landforms with different colors and shapes are obtained, so that various geographic landforms in the three-dimensional map have layering and stereoscopic impression.
Specifically, as a preferred embodiment, as shown in fig. 5, the step of performing effect rendering on the three-dimensional map layer by using multiple sets of geographic information components according to the user operation instruction includes:
s151: and distributing the geographic information assembly to a corresponding area in the three-dimensional map layer according to the user operation instruction.
S152: and calling the geographic information component to set attribute information for the corresponding area according to the display rule corresponding to the user operation instruction.
S153: and analyzing the attribute information, and setting a corresponding rendering effect for the three-dimensional map.
The geographic information components are distributed to the corresponding areas in the three-dimensional map layer according to the user operation instructions, because different display rules correspond to different geographic and geomorphic features, the geographic information components are called according to the display rules to set attribute information for the corresponding areas, the attribute information comprises corresponding rendering effects, the attribute information is analyzed, and the corresponding rendering effects can be generated on the three-dimensional map so as to distinguish and strengthen the different geographic features.
In summary, according to the three-dimensional map generation method based on the visualization engine provided by the embodiment of the application, multiple groups of geographic information assemblies are customized by using the visualization engine, so that the geographic information assemblies can describe and add information to different geographic terrains, in addition, the coordinate regions of real objects are marked in an original map layer by acquiring real space information, modeling is performed on the real objects by using a BIM technology, a corresponding 3D model can be obtained, and then the 3D model is superposed to the coordinate regions of the real objects, so that a three-dimensional map layer can be obtained; and then, using a plurality of groups of corresponding geographic information assemblies to perform attribute setting and description on each area of the three-dimensional map layer and perform rendering of a display effect, thereby generating a final three-dimensional map. In conclusion, the scheme can solve the problems that the three-dimensional map in the background technology is rough and not vivid enough, so that the three-dimensional map recognition rate is poor.
Based on the same concept of the embodiment of the method, the embodiment of the invention further provides a three-dimensional map generation system based on a visualization engine, which is used for realizing the method of the invention.
Referring to fig. 6, fig. 6 is a schematic structural diagram of a three-dimensional map generation system based on a visualization engine according to an embodiment of the present invention. As shown in fig. 6, the three-dimensional map generation system includes:
a component definition module 110 for customizing multiple groups of geographic information components using a visualization engine;
the coordinate marking module 120 is configured to establish an original map layer by using a geographic information technology, and mark a coordinate area of a real object in the original map layer according to real spatial information;
the three-dimensional modeling module 130 is configured to model a real object by using a BIM technique to obtain a corresponding 3D model;
the model superposition module 140 is configured to superpose the 3D model to a coordinate region of a real object to obtain a three-dimensional map layer;
and the layer rendering module 150 is configured to perform effect rendering on the three-dimensional map layer by using multiple groups of geographic information assemblies according to the user operation instruction, so as to generate a three-dimensional map.
To sum up, in the three-dimensional map generation system based on the visualization engine provided in the embodiment of the present application, multiple sets of geographic information components are customized by using the visualization engine through the component definition module 110, so that the geographic information components can describe and add information to different geographic landforms, in addition, the coordinate marking module 120 collects real space information to mark a coordinate region of a real object in an original map layer, the three-dimensional modeling module 130 models the real object by using the BIM technique, a corresponding 3D model can be obtained, and the model superposition module 140 superposes the 3D model to the coordinate region of the real object, so as to obtain a three-dimensional map layer; and finally, using the layer rendering module 150 to perform attribute setting and description on each area of the three-dimensional map layer by using multiple groups of corresponding geographic information components and perform rendering of display effect, thereby generating a final three-dimensional map. In conclusion, the scheme can solve the problems that the three-dimensional map in the background technology is rough and not vivid enough, so that the three-dimensional map recognition rate is poor.
As a preferred embodiment, as shown in fig. 7, the component definition module 110 includes:
the component setting submodule 111 is used for setting various geographic information components corresponding to the types of the real objects by using a visualization engine;
a rule design sub-module 112, configured to design a display rule for each geographic information component;
and an attribute setting submodule 113, configured to set attribute information corresponding to the display rule.
As a preferred embodiment, as shown in fig. 8, the coordinate marking module 120 includes:
the information acquisition submodule 121 is configured to acquire real space information in real time by using a front-end sampling module;
the information comparison submodule 122 is configured to compare coordinate information of a real object to be marked in the real space information with coordinate information of a real object in the original map layer;
and the area marking submodule 123 is configured to mark a coordinate area of the real object in the original map layer when the coordinate information is successfully compared.
As a preferred embodiment, as shown in fig. 9, the three-dimensional modeling module 130 includes:
a BIM modeling submodule 131, configured to model a real object by using a BIM technique to obtain a 3D model;
a relationship setting submodule 132 for establishing a positional linkage relationship between the 3D model and the real object using a digital twinning technique;
and the information sending submodule 133 is configured to send the 3D model and the position linkage relationship to the original map layer, so that the 3D model is displayed in the original map layer in real time.
As a preferred embodiment, as shown in fig. 10, the layer rendering module 150 includes:
the component distribution submodule 151 is configured to distribute the geographic information components to corresponding areas in the three-dimensional map layer according to the user operation instruction;
the component calling submodule 152 is used for calling the geographic information component to set attribute information for the corresponding area according to the display rule corresponding to the user operation instruction;
and the rendering setting submodule 153 is configured to parse the attribute information and set a corresponding rendering effect for the three-dimensional map.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It should be noted that in the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention may be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The usage of the words first, second and third, etcetera do not indicate any ordering. These words may be interpreted as names.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A three-dimensional map generation method based on a visualization engine is characterized by comprising the following steps:
customizing a plurality of groups of geographic information components by using a visualization engine;
establishing an original map layer by using a geographic information technology, and marking a coordinate area of a real object in the original map layer according to real space information;
modeling the real object by using a BIM technology to obtain a corresponding 3D model;
superposing the 3D model to a coordinate area of the real object to obtain a three-dimensional map layer;
and according to a user operation instruction, performing effect rendering on the three-dimensional map layer by using the multiple groups of geographic information assemblies to generate a three-dimensional map.
2. The three-dimensional map generation method of claim 1, wherein the step of customizing groups of geographic information components using a visualization engine comprises:
setting, using the visualization engine, a plurality of geographic information components corresponding to types of real objects;
respectively designing a display rule of each geographic information component;
and setting attribute information corresponding to the display rule.
3. The three-dimensional map generation method according to claim 1, wherein the step of marking a coordinate area of a real object in the original map layer according to real space information includes:
real space information is collected in real time by using a front-end sampling module;
comparing the coordinate information of the real object to be marked in the real space information with the coordinate information of the real object in the original map layer;
and when the coordinate information is successfully compared, marking the coordinate area of the real object in the original map layer.
4. The three-dimensional map generation method according to claim 1, wherein the step of modeling the real object using the BIM technique to obtain the corresponding 3D model comprises:
modeling the real object by using a BIM technology to obtain the 3D model;
establishing a position linkage relationship between the 3D model and the real object by using a digital twinning technology;
and sending the 3D model and the position linkage relation to an original map layer so as to display the 3D model in the original map layer in real time.
5. The three-dimensional map generation method according to claim 1, wherein the step of performing effect rendering on the three-dimensional map layer using a plurality of groups of geographic information components according to the user operation instruction includes:
distributing the geographic information component to a corresponding area in the three-dimensional map layer according to the user operation instruction;
calling the geographic information component to set attribute information for the corresponding area according to a display rule corresponding to the user operation instruction;
and analyzing the attribute information, and setting a corresponding rendering effect for the three-dimensional map.
6. A visualization engine based three-dimensional map generation system, comprising:
the component definition module is used for customizing a plurality of groups of geographic information components by using a visualization engine;
the coordinate marking module is used for establishing an original map layer by using a geographic information technology and marking a coordinate area of a real object in the original map layer according to real space information;
the three-dimensional modeling module is used for modeling the real object by using a BIM technology to obtain a corresponding 3D model;
the model superposition module is used for superposing the 3D model to the coordinate area of the real object to obtain a three-dimensional map layer;
and the layer rendering module is used for performing effect rendering on the three-dimensional map layer by using the multiple groups of geographic information assemblies according to a user operation instruction to generate a three-dimensional map.
7. The three-dimensional map generation system of claim 6, wherein the component definition module comprises:
the component setting submodule is used for setting a plurality of geographic information components corresponding to the types of the real objects by using the visualization engine;
the rule design submodule is used for respectively designing the display rule of each geographic information component;
and the attribute setting submodule is used for setting attribute information corresponding to the display rule.
8. The three-dimensional map generation system of claim 6, wherein the coordinate marking module comprises:
the information acquisition submodule is used for acquiring real space information in real time by using the front-end sampling module;
the information comparison submodule is used for comparing the coordinate information of the real object to be marked in the real space information with the coordinate information of the real object in the original map layer;
and the area marking submodule is used for marking the coordinate area of the real object in the original map layer when the coordinate information is successfully compared.
9. The three-dimensional map generation system of claim 6, wherein the three-dimensional modeling module comprises:
the BIM modeling submodule is used for modeling the real object by using a BIM technology to obtain the 3D model;
the relation setting submodule is used for establishing a position linkage relation between the 3D model and the real object by using a digital twinning technology;
and the information sending submodule is used for sending the linkage relation between the 3D model and the position to an original map layer so as to display the 3D model in the original map layer in real time.
10. The three-dimensional map generation system according to claim 6, wherein the layer rendering module comprises:
the module distribution submodule is used for distributing the geographic information module to a corresponding area in the three-dimensional map layer according to the user operation instruction;
the module calling submodule is used for calling the geographic information module to set attribute information for the corresponding area according to the display rule corresponding to the user operation instruction;
and the rendering setting submodule is used for analyzing the attribute information and setting a corresponding rendering effect for the three-dimensional map.
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