CN116301463A - Intelligent park display method based on Internet of things - Google Patents
Intelligent park display method based on Internet of things Download PDFInfo
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Abstract
The invention discloses an intelligent park display method based on the Internet of things, which is applied to a server, and comprises the following steps: the method comprises the steps of performing format conversion on a three-dimensional model according to a corresponding format conversion method matched with a source of the three-dimensional model, importing the three-dimensional model, acquiring attribute information of equipment contained in the three-dimensional model, performing dotting processing on the equipment according to the attribute information, and importing the attribute information; matching a corresponding digital twin body for the three-dimensional model by using a model framework matching method, and acquiring a corresponding digital twin body panel according to the digital twin body; creating a device layer in the three-dimensional model according to a service scene configured by a client, and storing a corresponding digital twin body on the device layer to obtain a target three-dimensional model; and acquiring a user interface of a large intelligent park screen configured by a user at the client, and establishing a display link from the target three-dimensional model to a corresponding key in the interface. By applying the method and the device, the three-dimensional models from different sources can be imported.
Description
Technical Field
The invention relates to the technical field of the Internet of things, in particular to an intelligent park display method based on the Internet of things.
Background
Traditional thing networking wisdom garden large-scale screen presents with the form of two-dimensional plan stack equipment point position usually, but garden building structure is complicated, and two-dimensional plan can not demonstrate the complicated building structure of garden and building relation directly perceivedly clearly, and simultaneously, the thing networking equipment that quantity and kind are numerous also is difficult to in a two-dimensional large-scale screen all-in-one directly perceivedly demonstrate. With the development of three-dimensional visualization technology.
The utility model discloses a three-dimensional visual display system of wisdom city among the prior art, including data load module, three-dimensional browse module, scene control module, three-dimensional object module, data edit module, measuring tool module, three-dimensional analysis module and data statistics module, wherein: the data loading module is used for accessing data services provided by the cloud system or the third party system, and performing data analysis according to data standards to form a data structure inside the system; the three-dimensional browsing module is used for browsing a three-dimensional physical model scene; the three-dimensional object module is used for importing an object, drawing, plotting and adding the object and exporting the object. The method can vividly, rapidly and conveniently display three-dimensional panoramic information, three-dimensional interaction and analysis results of the smart city, realize visual interaction inquiry through the three-dimensional display system, display visual service inquiry results in the three-dimensional display system, and interactively display dynamic information through the three-dimensional display system.
However, in the prior art, a corresponding solution is not provided for different types of model importation, so how to implement importation of models from different sources is a technical problem to be solved.
Disclosure of Invention
The invention aims to solve the technical problem of providing an intelligent park display method based on the Internet of things, and realizing the importing of models of different sources.
The invention solves the technical problems through the following technical scheme:
the invention provides an intelligent park display method based on the Internet of things, which is applied to a server and comprises the following steps:
the method comprises the steps of performing format conversion on a three-dimensional model according to a corresponding format conversion method matched with a source of the three-dimensional model, importing the three-dimensional model, acquiring attribute information of equipment contained in the three-dimensional model, performing dotting processing on the equipment according to the attribute information, and importing the attribute information;
matching a corresponding digital twin body for the three-dimensional model by using a model framework matching method, and acquiring a corresponding digital twin body panel according to the digital twin body;
creating a device layer in a three-dimensional model according to a service scene configured by a client, and storing a digital twin body corresponding to the device layer on the device layer to obtain a target three-dimensional model;
and acquiring a user interface of a large intelligent park screen configured by a user at the client, and establishing a display link from the target three-dimensional model to a corresponding key in the interface.
Optionally, when the three-dimensional model is imported after being subjected to format conversion according to the format conversion method corresponding to the source of the three-dimensional model, the method further comprises:
the method comprises the steps of obtaining drawing information of a 3D model, comparing the drawing information with a first list, and importing the 3D model into a digital twin development platform if the drawing information exists in the first list, wherein the drawing information comprises the following components: and 3d modeling software drawing and a ThingJS three-dimensional engine tool drawing.
Optionally, the importing the 3D model into the digital twin development platform includes:
comparing the drawing information with a second list, and when the drawing information exists in the second list, firstly using a Send BIM plug-in of a digital twin development platform to perform format conversion on the 3d model, wherein the second list stores the drawing information of 3d modeling software;
and then the converted result is imported into a digital twin development platform.
Optionally, the method for matching using model architecture matches a corresponding digital twin for a three-dimensional model, and obtains a corresponding digital twin panel according to the digital twin, including:
extracting original characteristics of each device in the three-dimensional model, and classifying the devices contained in the three-dimensional model according to the original characteristics to obtain a corresponding device set;
classifying and counting each original feature contained in each equipment set to obtain the number of the original features contained in each original feature type, and sequencing the number of the original features according to the sequence from large to small to obtain an original feature sequence;
taking the original features in the first half sequence order in the original feature sequence as common features;
matching the common features with the twin features of all the digital twin bodies in the digital twin body set, and taking the digital twin bodies with the matching quantity accounting for the total number of the common features and the proportion higher than the set proportion as the digital twin bodies corresponding to the equipment set;
copying the digital twin bodies to corresponding coordinates of each device respectively;
corresponding graphical markers, twinning panels, and events are generated for the digital twins of each device.
Optionally, the creating a device layer in the three-dimensional model according to the service scene configured by the client, and storing a digital twin corresponding to the device layer onto the device layer to obtain a target three-dimensional model, including:
acquiring equipment types contained in a service scene according to the service scene configured by a client;
generating a corresponding device layer for each device type, extracting corresponding digital twin bodies from all the digital twin bodies according to the device type, and storing the extracted digital twin bodies in the device layer;
and importing the equipment image layer after storing the digital twin body into the three-dimensional model to obtain the target three-dimensional model.
Optionally, the obtaining the device type included in the service scenario includes:
and crawling a corresponding public text according to the name of the service scene, acquiring a keyword from the public text by using a keyword extraction algorithm, matching the keyword with the equipment name of the attribute information in the three-dimensional model, and taking the equipment type corresponding to the equipment name in the public text as the equipment type contained in the service scene.
Optionally, the obtaining the keyword from the disclosure by using a keyword extraction algorithm includes:
and obtaining approximate words corresponding to the nouns from the nouns in the public text by using a keyword extraction algorithm, and taking the approximate words and the nouns as keywords by using a semantic similarity algorithm.
The invention also provides an intelligent park display method based on the Internet of things, which is applied to the client, and comprises the following steps:
acquiring service scene information configured by a user at a client, and sending the service scene information to a server applying the method according to any one of the above methods so as to enable the server to return to a target three-dimensional model;
and acquiring an operation instruction of a user on a user interface, and displaying the target three-dimensional model on the user interface according to the operation instruction.
Optionally, the step of obtaining the approximate word corresponding to the noun by using a semantic similarity algorithm includes:
acquiring a first code of a keyword in a word forest and a second code of each word;
by means of the formula (i),
calculating the similarity between each vocabulary and the key words, and using the vocabulary with similarity larger than the set similarity as the approximate words, wherein,
p is similarity; sigma is a sum function; w (w) i The weight corresponding to the ith bit of the first code and the second code is obtained.
The invention also provides a system for building the large screen of the three-dimensional intelligent park of the Internet of things, which comprises:
a server applying the method as described in any one of the above;
a client applying the method as described above.
Compared with the prior art, the invention has the following advantages:
the method and the device can be compatible and adapt to three-dimensional models generated by various software compared with the object which is only directly imported in the prior art by performing format conversion processing on the three-dimensional models from different sources and then matching the corresponding digital twin bodies.
Drawings
Fig. 1 is a schematic flow chart of a smart park display method based on the internet of things according to an embodiment of the present invention;
fig. 2 is a schematic diagram of an effect of building a large screen of a three-dimensional intelligent park of an internet of things according to an embodiment of the invention;
fig. 3 is a schematic structural diagram of a large screen of a three-dimensional intelligent park with an internet of things built according to an embodiment of the invention.
Detailed Description
The following describes in detail the examples of the present invention, which are implemented on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are given, but the scope of protection of the present invention is not limited to the following examples.
Example 1
Fig. 1 is a schematic flow chart of a smart park display method based on the internet of things according to an embodiment of the present invention; as shown in fig. 1, the method applied to the server includes:
s101: and carrying out format conversion on the three-dimensional model according to a corresponding format conversion method matched with the source of the three-dimensional model, importing the three-dimensional model, acquiring attribute information of equipment contained in the three-dimensional model, and carrying out dotting processing on the equipment and importing the attribute information according to the attribute information.
The three-dimensional model can be built using modeling software such as 3dmax, solidworks, catia.
The server is internally provided with a first list, and the first list stores drawing information of the three-dimensional model which needs to be subjected to format conversion, and the drawing information can be a file name suffix in general. And identifying the drawing information of the three-dimensional model according to the file name suffix of the three-dimensional model, wherein the drawing information characterizes the source of the three-dimensional model.
And then comparing the drawing information with a first list, and if the drawing information exists in the first list, importing the 3D model into a digital twin development platform, wherein the drawing information comprises: and 3d modeling software drawing and a ThingJS three-dimensional engine tool drawing.
When the drawing information does not exist in the first list, alarm information is output.
Further, when the drawing information exists in the first list, whether the drawing information exists in the second list is judged, and the drawing information of the 3d modeling software is stored in the second list. If the drawing information of the three-dimensional model exists in the second list, the three-dimensional model is drawn by using 3D modeling software, the format of the 3D model is converted by using a SenbIM plug-in of a digital twin development platform, and then the 3D model is imported into the digital twin development platform, so that the importing of the three-dimensional model is completed. The embodiment of the invention can be compatible with fbx, gltf, obj multiple model formats.
After the three-dimensional model is imported, the corresponding attribute information is converted into a format, so that the attribute information can be directly extracted.
In addition, the invention uses the Send BIM plug-in to perform format conversion of the 3dmax three-dimensional model, then uses the CampusBuilder shortcut tool to build the 3d model, and can realize rapid generation of the three-dimensional model and compatibility of three-dimensional model formats generated by adapting to various software.
It should be emphasized that the dotting process refers to coordinate points where the digital twin corresponding to the three-dimensional model is located in the equipment layer, and the process of obtaining the corresponding coordinate points is the dotting process. In the embodiment of the invention, the coordinate point can be directly extracted from the attribute information of the model.
In practical application, the coordinate point where the digital twin body in the embodiment of the present invention is located in the equipment layer may be a type of coordinate point, or may be a coordinate point, for example, the coordinate point corresponding to the outer wall texture model is the outer elevation of all building models in the equipment layer.
S102: and matching a corresponding digital twin body for the three-dimensional model by using a model framework matching method, and acquiring a corresponding digital twin body panel according to the digital twin body.
Specifically, various devices may be included in the three-dimensional model, for example, fire protection devices, machining devices, cooling devices, environmental control devices, personnel monitoring devices, material conveying devices, and the like, where the above information is device attribute information. According to the equipment attribute of each equipment, the equipment contained in the three-dimensional model is classified to obtain a corresponding equipment set, for example, a fire hydrant, a fire extinguisher, an alarm, a safety channel and a fireproof door belong to the fire-fighting equipment, and therefore the equipment can be classified into the fire-fighting equipment set. Similarly, lathes, grinding machines, milling machines, drilling machines, planing machines, etc. belong to the machining equipment, and should be grouped into machining equipment sets, and so on.
Taking fire-fighting equipment as an example, the information of the fire extinguisher such as size, shape, color and the like in the fire-fighting equipment is fixed, so that only one corresponding digital twin body can be established, then the digital twin body is copied to the coordinate position of each fire extinguisher, and then corresponding graphic marks, twin panels and events are generated for each fire extinguisher. In practical applications, the twinning panel may be a pop-up window of the device, and the event may be some device alarm event displayed in the pop-up window, a modification event of the device, and so on.
Further, the step may specifically include the following:
extracting original characteristics of each device in the three-dimensional model:
the three-dimensional model 1 includes: original feature 1, original feature 2, original feature 3, original feature 4, original feature 5, original feature 6, original feature 7.
The three-dimensional model 2 includes: original feature 1, original feature 22, original feature 3, original feature 24, original feature 5, original feature 6, original feature 27.
The three-dimensional model 3 includes: original feature 1, original feature 32, original feature 3, original feature 34, original feature 5, original feature 36, original feature 37.
And then, respectively calculating Euclidean distances from the three-dimensional model to other three-dimensional models for each three-dimensional model, and carrying out clustering treatment on each three-dimensional model according to the Euclidean distances to obtain a plurality of equipment sets.
For example, three-dimensional model 1 and three-dimensional model 2 are included in set 1.
For each device set, classifying and counting each original feature contained in the device set to obtain the number of the original features contained in each original feature type: the number of original features corresponding to the original features 1, 3 and 5 is 3, and the number of original features corresponding to the original features 6 is 2.
The original feature quantity is sequenced from the big to the small to obtain an original feature sequence:
original feature 1, original feature 3, original feature 5, original feature 6, original feature 2, original feature 4, original feature 7.
The original features of the first 3 bits in the original feature sequence are used as common features, namely an original feature 1, an original feature 3 and an original feature 5. In practical applications, the original features of the first 4 bits may also be used as common features. The manner of rounding up or rounding down is not limited in the embodiments of the present invention.
Matching the common features with the twin features of each digital twin in the set of digital twin, each digital twin also including a number of twin features: such as digital twin 1, comprises: twin feature 1, twin feature 2, twin feature 3, twin feature 4, twin feature 5.
Matching the common feature set with a twin model of each digital twin body, wherein the original feature 1 and the original feature 3 in the common feature set are respectively matched with the twin feature 1 and the twin feature 2, and if the proportion of the matching quantity to the total number of the common features is higher than 0.5, the digital twin body 1 is used as a digital twin body corresponding to the equipment set;
copying the digital twin bodies to corresponding coordinates of each device respectively; it will be understood that the meaning of the coordinates referred to herein in the embodiments of the present invention is: coordinates of the device in the device layer, but not true coordinates of the device in the actual application scene.
Then, corresponding graphic marks, a twin panel and events are generated for the digital twin body of each device, wherein the twin panel can be a control interface for the twin model popped up when a user clicks the twin model, and the events can be state information of the device in the actual environment corresponding to the digital twin body model and the like. For example, in the embodiment of the invention, the finger twinning panel is an information display popup window, and when a user clicks a graphic mark of a corresponding device, the information display popup window pops up the attribute information, the working state information, the more detailed information display link icon and the like corresponding to the device, so that the user can not be influenced to watch a three-dimensional model while information display is performed, and further the user experience is improved.
Furthermore, because the information display popup window is limited in size, the user can be thoroughly explored to configure the information to selectively display the content in the information display popup window, or all the information to be displayed is rolled and displayed in the information popup window.
S103: and creating a device layer in the three-dimensional model according to the service scene configured by the client, and storing a digital twin body corresponding to the device layer on the device layer to obtain a target three-dimensional model.
According to the service scene configured by the client, the equipment types contained in the service scene are acquired, for example, in a fire service scene, the fire hydrant, the fire extinguisher, the alarm, the safety channel and the fireproof door belong to equipment of different equipment types in the fire-fighting equipment. Thus, one device layer is generated for each of the hydrant, fire extinguisher, alarm, security channel, fire door, each device layer storing only digital twins of the corresponding device type. And then, importing the equipment image layer after storing the digital twin body into the three-dimensional model to obtain the target three-dimensional model.
For example, in municipal business scenarios, motor vehicle roads, non-motor vehicle roads, walkways, greenbelts, viaducts are all devices of different device types in municipal devices. Thus, one device layer is generated for each of motor vehicle roads, non-motor vehicle roads, sidewalks, greenbelts, viaducts, each device layer storing only digital twins of the corresponding device type. And then, importing the equipment image layer after storing the digital twin body into the three-dimensional model to obtain a corresponding target three-dimensional model.
For example, in a factory business scenario, production equipment, auxiliary equipment, transfer equipment, power equipment all belong to different equipment types of equipment in an industrial plant. Thus, one device layer is generated for each of the production device, auxiliary device, transfer device, and power device, each device layer storing only digital twins of the corresponding device type. And then, importing the equipment image layer after storing the digital twin body into the three-dimensional model to obtain a corresponding target three-dimensional model.
S104: and acquiring a user interface of a large intelligent park screen configured by a user at the client, and establishing a display link from the target three-dimensional model to a corresponding key in the interface.
In the embodiment of the invention, the existing vue technology is used for generating a user interface, and the top of the user interface displays a navigation bar and the two sides of the user interface display chart bars. In practical applications, the layering style sheet unilateral method may also be used to configure the hierarchical level of the information presentation popup, the user interface for presenting the three-dimensional model.
And then, reserving a three-dimensional model display area in a user interface, establishing a link between the display area and the target three-dimensional model, and directly calling the corresponding link by the client when the user clicks the two-dimensional map of the display area to display the target three-dimensional model in the two-dimensional map area.
Furthermore, the user can also perform operations such as scaling, business scene switching, floor switching and the like on the target three-dimensional model. And (3) switching the service scene, wherein a user can click on the navigation bar to switch the service scene, for example, a smart security scene is selected, a service chart shows a smart security related chart, and only equipment of the service scene, such as a camera, an entrance guard and the like, is displayed in the three-dimensional scene.
The method and the device for displaying the three-dimensional virtual digital whole space of the three-dimensional virtual digital real-time system have the advantages that complicated plane drawings and the internet of things data in the real world are reproduced in the three-dimensional virtual digital whole space mode, so that a real scene is restored, the two-dimensional abstract is free from the non-intuitive constraint, the method and the device are closer to field experience, meanwhile, three-dimensional dragging, translation and zooming display of a park can be realized, a manager can conveniently check, operation is facilitated, overall management and decision making are further carried out, and management level is improved.
Fig. 2 is a schematic view of an effect of building a large screen of a three-dimensional intelligent park of the internet of things, and as shown in fig. 2, 301 is a graphic mark corresponding to a digital twin body of a camera.
The embodiment of the invention can also be used for configuring a chart data display function on a user interface, and particularly, the chart information such as intelligent park equipment statistics, alarm statistics and the like can be intuitively displayed by using echart to draw a data chart. The alarm display function is that when the internet of things device pushes alarm data, a device digital twin body in a three-dimensional scene displays a red alarm point, and the alarm information can be displayed in a pop-up window by clicking the alarm point.
Example 2
On the basis of embodiment 1 of the present invention, embodiment 2 of the present invention provides another method for obtaining a device type included in the service scenario, where the method includes:
corresponding public texts are crawled from the public internet according to the names of the service scenes, for example, the service scenes are fire scenes, and the public texts related to fire protection can be crawled from the public internet.
And obtaining approximate words corresponding to the nouns from the nouns in the public text by using a keyword extraction algorithm, and taking the approximate words and the nouns as keywords by using a semantic similarity algorithm. For example, fire rated doors may be defined by a door barrier, smoke protection door, shielding door, and the like.
And then, matching the keywords with all the device names contained in the three-dimensional model, and taking the device type corresponding to the device name in the publication as the device type contained in the service scene.
By applying the embodiment of the invention, the user can match the name of the service scene, and the system can automatically extract the corresponding equipment for the service scene, so that the corresponding equipment type is obtained, and the system is simpler and more efficient than the type of the user input equipment.
Further, the approximate word can be obtained using the following steps:
a: the method comprises the steps of obtaining a first code of a keyword in a word forest and a second code of each word.
For example, a first code corresponding to "live" is Aa01 a02=, and a second code corresponding to a character is: aa01D01.
B: then, respectively comparing the characters of the same sequence of the first code and the second code, for example, comparing the first bit in the first code with the first bit in the second code, and when the first bit and the first bit in the second code are different, k is equal to 0; and comparing the second bit in the first code with the second bit in the second code, and comparing the third bit in the first code with the third bit in the second code, wherein k is equal to 1 when the second bit and the third bit are identical. And so on.
Then, using the formula,
calculating the similarity between each vocabulary and the key words, and using the vocabulary with similarity larger than the set similarity as the approximate words, wherein,
p is similarity; sigma is a sum function; w (w) i The weight corresponding to the ith bit of the first code and the second code is obtained.
Example 3
Corresponding to embodiment 1 of the present invention, embodiment 3 of the present invention provides another intelligent park display method based on the internet of things, applied to a client, the method comprising:
s301 (not shown in the figure): acquiring service scene information configured by a user at a client, and sending the service scene information to a server applying the method as set forth in any one of claims 1-7 so as to enable the server to return to a target three-dimensional model;
s302 (not shown in the figure): and acquiring an operation instruction of a user on a user interface, and displaying the target three-dimensional model on the user interface according to the operation instruction.
Example 4
Fig. 3 is a schematic structural diagram of a large screen of a three-dimensional intelligent park based on the internet of things, where the system, as shown in fig. 3, includes:
a server 401 applying the method as in embodiment 1 or 2;
a client 402 applying the method of example 3.
Novel three-dimensional wisdom garden large-scale that digital garden theory was established has broken through the bottleneck of traditional garden large-scale, can realize visual garden three-dimensional scene and browse, and the manager of being convenient for all can have comprehensive understanding to the internal equipment distribution, environmental data, the whole garden differentiation etc. of whole wisdom garden, but wide application in places such as government garden, commercial garden and industrial park.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (9)
1. The intelligent park display method based on the Internet of things is characterized by being applied to a server and comprising the following steps of:
the method comprises the steps of performing format conversion on a three-dimensional model according to a corresponding format conversion method matched with a source of the three-dimensional model, importing the three-dimensional model, acquiring attribute information of equipment contained in the three-dimensional model, performing dotting processing on the equipment according to the attribute information, and importing the attribute information;
matching a corresponding digital twin body for the three-dimensional model by using a model framework matching method, and acquiring a corresponding digital twin body panel according to the digital twin body;
creating a device layer in a three-dimensional model according to a service scene configured by a client, and storing a digital twin body corresponding to the device layer on the device layer to obtain a target three-dimensional model;
and acquiring a user interface of a large intelligent park screen configured by a user at the client, and establishing a display link from the target three-dimensional model to a corresponding key in the interface.
2. The internet of things-based intelligent park presentation method according to claim 1, wherein when the three-dimensional model is imported after being subjected to format conversion according to the format conversion method corresponding to the source matching of the three-dimensional model, the method further comprises:
the method comprises the steps of obtaining drawing information of a 3D model, comparing the drawing information with a first list, and importing the 3D model into a digital twin development platform if the drawing information exists in the first list, wherein the drawing information comprises the following components: and 3d modeling software drawing and a ThingJS three-dimensional engine tool drawing.
3. The internet of things-based intelligent park presentation method of claim 2, wherein importing the 3D model into the digital twinning development platform comprises:
comparing the drawing information with a second list, and when the drawing information exists in the second list, firstly using a Send BIM plug-in of a digital twin development platform to perform format conversion on the 3d model, wherein the second list stores the drawing information of 3d modeling software;
and then the converted result is imported into a digital twin development platform.
4. The internet of things-based intelligent park display method according to claim 1, wherein the method for matching using model architecture matches a corresponding digital twin for a three-dimensional model, and obtains a corresponding digital twin panel according to the digital twin, comprising:
extracting original characteristics of each device in the three-dimensional model, and classifying the devices contained in the three-dimensional model according to the original characteristics to obtain a corresponding device set;
classifying and counting each original feature contained in each equipment set to obtain the number of the original features contained in each original feature type, and sequencing the number of the original features according to the sequence from large to small to obtain an original feature sequence;
taking the original features in the first half sequence order in the original feature sequence as common features;
matching the common features with the twin features of all the digital twin bodies in the digital twin body set, and taking the digital twin bodies with the matching quantity accounting for the total number of the common features and the proportion higher than the set proportion as the digital twin bodies corresponding to the equipment set;
copying the digital twin bodies to corresponding coordinates of each device respectively;
corresponding graphical markers, twinning panels, and events are generated for the digital twins of each device.
5. The method for displaying an intelligent park based on the internet of things according to claim 1, wherein creating a device layer in a three-dimensional model according to a service scene configured by a client, and storing a digital twin corresponding to the device layer onto the device layer to obtain a target three-dimensional model, comprises:
acquiring equipment types contained in a service scene according to the service scene configured by a client;
generating a corresponding device layer for each device type, extracting corresponding digital twin bodies from all the digital twin bodies according to the device type, and storing the extracted digital twin bodies in the device layer;
and importing the equipment image layer after storing the digital twin body into the three-dimensional model to obtain the target three-dimensional model.
6. The method for displaying an intelligent campus based on the internet of things according to claim 5, wherein the obtaining the equipment type contained in the service scene comprises:
and crawling a corresponding public text according to the name of the service scene, acquiring a keyword from the public text by using a keyword extraction algorithm, matching the keyword with the equipment name of the attribute information in the three-dimensional model, and taking the equipment type corresponding to the equipment name in the public text as the equipment type contained in the service scene.
7. The internet of things-based intelligent park presentation method of claim 5, wherein the obtaining keywords from the publication using a keyword extraction algorithm comprises:
and obtaining approximate words corresponding to the nouns from the nouns in the public text by using a keyword extraction algorithm, and taking the approximate words and the nouns as keywords by using a semantic similarity algorithm.
8. The internet of things-based intelligent park presentation method according to claim 7, wherein the step of obtaining the approximate word corresponding to the noun using the semantic similarity algorithm comprises:
acquiring a first code of a keyword in a word forest and a second code of each word;
by means of the formula (i),
calculating the similarity between each vocabulary and the key words, and using the vocabulary with similarity larger than the set similarity as the approximate words, wherein,
p is similarity; sigma is a sum function; w (w) i The weight corresponding to the ith bit of the first code and the second code is obtained.
9. The intelligent park display method based on the Internet of things is characterized by being applied to a client and comprises the following steps:
acquiring service scene information configured by a user at a client, and sending the service scene information to a server applying the method as set forth in any one of claims 1-7 so as to enable the server to return to a target three-dimensional model;
and acquiring an operation instruction of a user on a user interface, and displaying the target three-dimensional model on the user interface according to the operation instruction.
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| CN117197362B (en) * | 2023-11-06 | 2024-01-26 | 江苏布罗信息技术有限公司 | Intelligent park display method and system based on Internet of things |
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