CN113190708A - Simple three-dimensional indoor map system, method and medium - Google Patents
Simple three-dimensional indoor map system, method and medium Download PDFInfo
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- CN113190708A CN113190708A CN202110461949.1A CN202110461949A CN113190708A CN 113190708 A CN113190708 A CN 113190708A CN 202110461949 A CN202110461949 A CN 202110461949A CN 113190708 A CN113190708 A CN 113190708A
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Abstract
The invention provides a simple three-dimensional indoor map system, a method and a medium, comprising the following steps: step S1: extracting three-dimensional coordinates of points, lines and surfaces needing independent operation in the indoor map; step S2: encoding the three-dimensional coordinates of the extracted points, lines and surfaces into a text index file; step S3: making a fixed three-dimensional indoor model background file; step S4: the display system respectively reads the three-dimensional indoor model background file and the text index file and displays the three-dimensional indoor model background file and the text index file in one display system; step S5: and the display system performs corresponding operation according to the extracted text index file of the point, the line and the surface. The invention realizes the low-cost manufacture, the quick deployment and the simple business realization of the three-dimensional indoor map by utilizing the standardability and the simplicity of the system, and is suitable for the three-dimensional presentation of simple objects such as water and electricity pipelines of indoor buildings.
Description
Technical Field
The invention relates to the technical field of navigation application, in particular to a simple three-dimensional indoor map system, a method and a medium.
Background
At present, a plurality of three-dimensional indoor map systems adopt a traditional pure three-dimensional model mode, the indoor models are complex, the manufacturing period is long, the requirement on measurement accuracy is high, and therefore the cost is high. After a pure three-dimensional model map is displayed and loaded, a user needs complex technology to realize the operation of a specific element in the model.
Patent application CN110926479A (application No. 201911326332.8) discloses a method and device for automatically generating an indoor three-dimensional navigation map model, the method includes the following steps: detecting the coordinates of the target node in the space coordinates by adopting an unmanned aerial vehicle; the unmanned aerial vehicle scans and/or photographs the building structure of the indoor space; constructing a three-dimensional model consistent with the indoor space based on the data of scanning and/or photographing; acquiring relative position coordinates of a target node in the three-dimensional model; and matching the position coordinates of the target node and the coordinates in the space coordinate system in a one-to-one correspondence manner, and constructing a space coordinate system model consistent with the three-dimensional model. According to the technical scheme provided by the invention, under the condition of no need of manual participation, the unmanned aerial vehicle can automatically calibrate the coordinate position of each indoor target node, so that the time cost and the labor cost for calibrating the coordinates of the target nodes are reduced, and the problems of high cost and low efficiency in calibrating the indoor target nodes are solved.
Disclosure of Invention
In view of the shortcomings in the prior art, it is an object of the present invention to provide a simple three-dimensional indoor map system, method and medium.
The invention provides a simple three-dimensional indoor map method, which comprises the following steps:
step S1: extracting three-dimensional coordinates of points, lines and surfaces needing independent operation in the indoor map;
step S2: encoding the three-dimensional coordinates of the extracted points, lines and surfaces into a text index file;
step S3: making a fixed three-dimensional indoor model background file;
step S4: the display system respectively reads the three-dimensional indoor model background file and the text index file and displays the three-dimensional indoor model background file and the text index file in one display system;
step S5: and the display system performs corresponding operation according to the extracted text index file of the point, the line and the surface.
Preferably, the step S2 includes: and encoding the three-dimensional coordinates of the extracted points, lines and surfaces into a text index file by using JSON specification.
Preferably, the step S5 includes: and the display system performs operations including highlighting, hiding and reverse color according to the extracted text index file of the points, lines and surfaces.
The invention provides a simple three-dimensional indoor map system, which comprises:
module M1: extracting three-dimensional coordinates of points, lines and surfaces needing independent operation in the indoor map;
module M2: encoding the three-dimensional coordinates of the extracted points, lines and surfaces into a text index file;
module M3: making a fixed three-dimensional indoor model background file;
module M4: the display system respectively reads the three-dimensional indoor model background file and the text index file and displays the three-dimensional indoor model background file and the text index file in one display system;
module M5: and the display system performs corresponding operation according to the extracted text index file of the point, the line and the surface.
Preferably, said module M2 comprises: and encoding the three-dimensional coordinates of the extracted points, lines and surfaces into a text index file by using JSON specification.
Preferably, said module M5 comprises: and the display system performs operations including highlighting, hiding and reverse color according to the extracted text index file of the points, lines and surfaces.
According to the present invention, a computer-readable storage medium is provided, in which a computer program is stored, which, when being executed by a processor, carries out the steps of the method as described above.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, a coordinate set of points, lines and surface elements in an indoor map is established through a text index file, and interest elements (points, lines and surfaces) related to application services are separated from a background three-dimensional model map, so that simple operation (highlight, hiding and reverse) of specific elements in a complex three-dimensional display system is realized.
2. According to the invention, the three-dimensional model is background, the indoor map data irrelevant to the application service is fixed, and a user can customize the three-dimensional model according to the self requirement, so that the purpose of reducing the manufacturing cost of the three-dimensional model is achieved.
3. The text index file is defined by adopting a JSON (JS object numbered musical notation) standard format, so that the reading and writing universality and the simplicity of the index file are realized.
4. The expandability of the system is realized by utilizing the openness of the JSON (JS object numbered musical notation) specification, and a user can perform custom expansion on the system according to the JSON specification.
5. The invention realizes the low-cost manufacture, the quick deployment and the simple business realization of the three-dimensional indoor map by utilizing the standardability and the simplicity of the system, and is suitable for the three-dimensional presentation of simple objects such as water and electricity pipelines of indoor buildings.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic diagram of a simple three-dimensional indoor map system.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.
Example 1
The invention provides an indoor map system for describing three-dimensional coordinate points by using simple texts, which is used for indoor map display and navigation application of simple services.
According to the invention, a coordinate set of points, lines and surface elements in an indoor map is established through a text index file, and interest elements (points, lines and surfaces) related to application services are separated from a background three-dimensional model map, so that simple operation (highlight, hiding and reverse) of specific elements in a complex three-dimensional display system is realized.
Step 1: elements (points, lines, faces) in the indoor map that need to be operated independently are analyzed.
Step 2: the three-dimensional coordinates of the elements (points, lines, faces) are encoded into a text index file using the JSON (JSON object notation) specification. The text index file is defined by adopting a JSON (JS object numbered musical notation) standard format, so that the reading and writing universality and simplicity of the index file are realized. By utilizing the openness of the JSON (JS object numbered musical notation) specification, the expandability of the system is realized, and a user can self-define and expand the system according to the JSON specification.
And step 3: and making a fixed three-dimensional indoor model background file. By background of the three-dimensional model and immobilization of indoor map data irrelevant to application services, a user can customize the three-dimensional model according to the requirements of the user, and the purpose of reducing the manufacturing cost of the three-dimensional model is achieved.
And 4, step 4: the display system respectively reads the three-dimensional indoor model background file and the text index file, and displays and presents the background model and elements (points, lines and surfaces) in one system.
And 5: the display system interface provides easy manipulation (highlighting, hiding, reverse) of a particular element (point, line, face) based on the index of the element (point, line, face) read.
As shown in fig. 1, the simple three-dimensional indoor map system provided by the present invention can be implemented by the steps and flows of the simple three-dimensional indoor map method provided by the present invention. The simple three-dimensional indoor map method can be understood as a preferred example of the simple three-dimensional indoor map system by those skilled in the art.
The invention realizes the low-cost manufacture, the quick deployment and the simple business realization of the three-dimensional indoor map by utilizing the standardability and the simplicity of the system, and is suitable for the three-dimensional presentation of simple objects such as water and electricity pipelines of indoor buildings.
Those skilled in the art will appreciate that, in addition to implementing the systems, apparatus, and various modules thereof provided by the present invention in purely computer readable program code, the same procedures can be implemented entirely by logically programming method steps such that the systems, apparatus, and various modules thereof are provided in the form of logic gates, switches, application specific integrated circuits, programmable logic controllers, embedded microcontrollers and the like. Therefore, the system, the device and the modules thereof provided by the present invention can be considered as a hardware component, and the modules included in the system, the device and the modules thereof for implementing various programs can also be considered as structures in the hardware component; modules for performing various functions may also be considered to be both software programs for performing the methods and structures within hardware components.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (7)
1. A simple three-dimensional indoor map method is characterized by comprising the following steps:
step S1: extracting three-dimensional coordinates of points, lines and surfaces needing independent operation in the indoor map;
step S2: encoding the three-dimensional coordinates of the extracted points, lines and surfaces into a text index file;
step S3: making a fixed three-dimensional indoor model background file;
step S4: the display system respectively reads the three-dimensional indoor model background file and the text index file and displays the three-dimensional indoor model background file and the text index file in one display system;
step S5: and the display system performs corresponding operation according to the extracted text index file of the point, the line and the surface.
2. The simplified three-dimensional indoor map method according to claim 1, wherein the step S2 includes: and encoding the three-dimensional coordinates of the extracted points, lines and surfaces into a text index file by using JSON specification.
3. The simplified three-dimensional indoor map method according to claim 1, wherein the step S5 includes: and the display system performs operations including highlighting, hiding and reverse color according to the extracted text index file of the points, lines and surfaces.
4. A simplified three-dimensional indoor map system, comprising:
module M1: extracting three-dimensional coordinates of points, lines and surfaces needing independent operation in the indoor map;
module M2: encoding the three-dimensional coordinates of the extracted points, lines and surfaces into a text index file;
module M3: making a fixed three-dimensional indoor model background file;
module M4: the display system respectively reads the three-dimensional indoor model background file and the text index file and displays the three-dimensional indoor model background file and the text index file in one display system;
module M5: and the display system performs corresponding operation according to the extracted text index file of the point, the line and the surface.
5. The simplified three-dimensional indoor map system of claim 4, wherein the module M2 comprises: and encoding the three-dimensional coordinates of the extracted points, lines and surfaces into a text index file by using JSON specification.
6. The simplified three-dimensional indoor map system of claim 4, wherein the module M5 comprises: and the display system performs operations including highlighting, hiding and reverse color according to the extracted text index file of the points, lines and surfaces.
7. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the steps of the method of any one of claims 1 to 3.
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| CN102693250A (en) * | 2011-08-29 | 2012-09-26 | 新奥特（北京）视频技术有限公司 | 3D (three-dimensional) model file importing method and system |
| CN107610227A (en) * | 2017-08-24 | 2018-01-19 | 深圳市易景空间智能科技有限公司 | The preparation method of indoor three-dimensional map |
| CN109859318A (en) * | 2018-12-25 | 2019-06-07 | 苏州百卓网络技术有限公司 | Threedimensional model towards safety in production makes loaded and displayed system and method |
| CN111639408A (en) * | 2020-05-27 | 2020-09-08 | 上海实迅网络科技有限公司 | AR technology-based urban pipe network pipeline 3D model display method and system |
-
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- 2021-04-27 CN CN202110461949.1A patent/CN113190708A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101286240A (en) * | 2008-04-22 | 2008-10-15 | 北京航空航天大学 | Quickly configurable and real time rendering safety protection three-dimensional electronic map |
| CN102693250A (en) * | 2011-08-29 | 2012-09-26 | 新奥特（北京）视频技术有限公司 | 3D (three-dimensional) model file importing method and system |
| CN107610227A (en) * | 2017-08-24 | 2018-01-19 | 深圳市易景空间智能科技有限公司 | The preparation method of indoor three-dimensional map |
| CN109859318A (en) * | 2018-12-25 | 2019-06-07 | 苏州百卓网络技术有限公司 | Threedimensional model towards safety in production makes loaded and displayed system and method |
| CN111639408A (en) * | 2020-05-27 | 2020-09-08 | 上海实迅网络科技有限公司 | AR technology-based urban pipe network pipeline 3D model display method and system |
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