CN104316948A - Intra-building navigation system and application system thereof - Google Patents
Intra-building navigation system and application system thereof Download PDFInfo
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- CN104316948A CN104316948A CN201410508746.3A CN201410508746A CN104316948A CN 104316948 A CN104316948 A CN 104316948A CN 201410508746 A CN201410508746 A CN 201410508746A CN 104316948 A CN104316948 A CN 104316948A
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- building
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
- G01S19/48—Determining position by combining or switching between position solutions derived from the satellite radio beacon positioning system and position solutions derived from a further system
- G01S19/49—Determining position by combining or switching between position solutions derived from the satellite radio beacon positioning system and position solutions derived from a further system whereby the further system is an inertial position system, e.g. loosely-coupled
Abstract
The invention discloses an intra-building navigation system. The intra-building navigation system includes a server and a mobile client, wherein the mobile client is connected with the server through a network. The intra-building navigation system is characterized in that the server includes a file database used for storing the geographical position information and three-dimensional image file of a building; and the mobile client includes a display module which is responsible for displaying the three-dimensional image file of the building, a satellite positioning module which is responsible for determining the position of the mobile client through a satellite positioning mode, an indoor positioning module which is responsible for determining the position of mobile client according to the changes of the displacement and acceleration of an angle of the mobile client, and an indoor navigation module which is responsible for performing navigation according to the three-dimensional image file of the building at the interior of the building. The intra-building navigation system of the invention can automatically analyze a DXF (Drawing Interchange Format) file and automatically generate three-dimensional building data so as to build a cloud network-based building three-dimensional image, and can realize indoor navigation through using satellite positioning of the mobile client and sensors such as a gyro.
Description
Technical field
The invention belongs to infotech, particularly relate to navigational system and application system thereof in buildings.
Background technology
AutoCAD (Drawing Interchange Format or Drawing Exchange Format) drawing swap file.DXF is the cad data file form for carrying out cad data exchange between AutoCAD and other software of autodesk, inc.'s exploitation.DXF is a kind of vector data form of opening, can be divided into two classes: ASCII fromat and binary format; ASCII has readable good, but it is larger to occupy space; Binary format occupies that space is little, reading speed is fast.Because Autocad is most popular cad system now, DXF is also widely used, the standard on coming true.The basic composition of DXF file is as follows:
The overall information of HEADER part-Tu.Each parameter has a variable name and corresponding value.The information of class of CLASSES part-comprise application program definition, these examples will be presented at BLOCKS, ENTITIES and OBJECTS part.Usually do not comprise for abundant for the information mutual with other application program.TABLES part-this part comprises the definition of naming items.Application ID (APPID) table, Block Recod (BLOCK_RECORD) table, Dimension Style (DIMSTYPE) table, Layer (LAYER) table, Linetype (LTYPE) table, Text style (STYLE) table, User Coordinate System (UCS) table, View (VIEW) table, Viewport configuration (VPORT) show BLOCKS part, and this part comprises Block Definition entity for defining the composition of each Block.ENTITIES part, this part is mapping entity, comprises Block References.OBJECTS part--comprise the data of nongraphical objects, for AutoLISP and ObjectARX application program institute.THUMBNAILIMAGE part--comprise the preview graph of DXF file.END?OF?FILE。
The structural design of Building class all uses the DXF drawing of two dimension usually, and it is neither intuitively also unfavorable for follow-up further exploitation, such as many 3D application relating to building, as Decoration Design, emergency management and rescue, anti-terrorism, fire-fighting, general room navigation etc.
How the DXF file of two dimension " being read " out and converted three-dimensional plot to, is one of object of studying of the present invention; After converting 3-D view to, if show this 3-D view; And utilize whole buildings figure in above-mentioned technique construction region, area, city, thus make user can check the constructure inner structure of specifying at any time, to be applied to the indoor navigation etc. that emergency management and rescue, anti-terrorism, fire-fighting etc. are required, these are all the technical issues that need to address of the present invention.
Summary of the invention
In order to solve the problem, the invention provides a kind of by navigational system in buildings simply and easily.
Technical scheme of the present invention is to provide navigational system in a kind of buildings, it comprises server and mobile client, described mobile client connects described server by network, it is characterized in that, described server comprises a document data bank, for storing geographical location information and the 3 D image file of buildings;
Described mobile client comprises:
Display module, is responsible for the 3 D image file of display buildings;
Satellite positioning module, is responsible for the position being determined described mobile client by satnav mode;
Indoor positioning module, is responsible for the position determining described mobile client according to the change of the displacement of described mobile client, the acceleration of angle;
Indoor navigation module, is responsible for navigating at the 3 D image file of interior of building according to described buildings.
Preferably, the label that inner subregion is identified is stored in the 3 D image file of described buildings.
Preferably, described mobile client comprises the retrieval module retrieved described label.
Preferably, described mobile client also comprises:
Touch-screen and gesture recognition module, be responsible for carrying out identifying and calling respective operations according to user's gesture on the touchscreen;
Phonetic order identification module, is responsible for the phonetic order of identification user and calls respective operations.
Preferably, described server adopts a kind of method based on DXF file generated 3-D view to obtain the 3 D image file of buildings, the method comprises the following steps: 1) pre-service, and the map data mining platform corresponding to building element different in artificial setting DXF file, identifies with the title set;
2) import process, from each layer, identify the information of building element according to the title of setting, the layer in DXF file is imported successively;
3) identifying processing, the line by line data of reading DXF file, take out the geological information of building element and preserve respectively, the geological information of building element comprises the basic geometric data obtaining counter structure from DXF file: point, straight line, circular arc, circle, rectangle; According to obtained geometric data information, building element is converted to closed contour, thus obtains building the two dimensional surface data needed for three-dimensional building data;
4) aftertreatment, according to drawing geometric relativity, by giving expression to wall, the sandwich construction of thickness of window is converted into single layer structure;
5) display and human-edited's process, the various building elements that display imports, provide human-computer interaction interface to supply operator manually to modify to the mistake produced in importing process and perfect;
6) stretch processing, carries out stretched operation to the two dimensional surface data of the various building elements imported, and generates the three-dimensional data that building element is corresponding, and saves as three dimensional image format, to be applied to 3-D display.
Preferably, in described step 1), if the building in DXF file is sandwich construction, and every layer of drawing difference, then by the drawing corresponding to every layer separately, to import respectively.
Preferably, in described step 3), if there is block message in drawing, then in advance block message is all converted to the basic figure information of point, line, circle, circular arc composition.
Preferably, described server also comprises model bank module, is responsible for the 3 D image file automatically generating non-universal parts in buildings.
Preferably, described mobile client connects described server by internet or 3G, 4G network.
In buildings of the present invention, navigational system can automatic analysis DXF file, and generate corresponding two dimensional surface data drawing in software and generate three-dimensional building data, thus the buildings three-dimensional plot constructed based on cloud network, and the sensors such as the satnav of mobile client and gyroscope are utilized to realize indoor navigation.
Embodiment
Below the specific embodiment of the present invention is described in further detail.
Navigational system in a kind of buildings of the present invention, first it have employed a kind of method based on DXF file generated 3-D view, so that from the most common and build the 3-D view of buildings the two-dimentional DXF file easily obtained, the method comprises the following steps:
1) pre-service, the map data mining platform corresponding to building element that artificial setting DXF file Zhong Qiang, door, window, pillar etc. are different, identifies with the title set; If the building in DXF file is sandwich construction, and every layer of drawing difference, then by the drawing corresponding to every layer separately, to import respectively;
2) import process, from each layer, identify the information of building element according to the title of setting, the layer in DXF file is imported successively;
3) identifying processing, the line by line data of reading DXF file, take out the geological information of building element and preserve respectively, the geological information of building element comprises the basic geometric data obtaining counter structure from DXF file: point, straight line, circular arc, circle, rectangle; According to obtained geometric data information, building element is converted to closed contour, thus obtains building the two dimensional surface data needed for three-dimensional building data; If there is block message in drawing, then in advance block message is all converted to the basic figure information of point, line, circle, circular arc composition.Block is term conventional in autocad, refers to and textural association general for part is become an entirety, be called block, so that move integrally, copy;
4) aftertreatment, according to drawing geometric relativity, by giving expression to wall, the sandwich construction of thickness of window is converted into single layer structure;
5) display and human-edited's process, the various building elements that display imports, provide human-computer interaction interface to supply operator manually to modify to the mistake produced in importing process and perfect;
6) stretch processing, carries out stretched operation to the two dimensional surface data of the various building elements imported, and generates the three-dimensional data that building element is corresponding, and saves as VTK data layout, to be applied to 3-D display.
In order to realize the function of indoor navigation, in a kind of buildings of the present invention, navigational system comprises server and mobile client, mobile client is by internet or 3G, 4G network attached server, server comprises a document data bank, for storing the geographical location information of buildings and the above-mentioned 3 D image file obtaining buildings.
Mobile client comprises:
Display module, is responsible for the 3 D image file of display buildings;
Satellite positioning module, is responsible for the position by satnav mode determination mobile client;
Indoor positioning module, is responsible for determining the position of mobile client according to the change of the displacement of mobile client, the acceleration of angle;
Indoor navigation module, is responsible for navigating at the 3 D image file of interior of building according to buildings.
The label that inner subregion is identified is stored in the 3 D image file of buildings.A room as certain inside, market is XXX brand sales field, can add LOGO at the outer top in room, and during use, directly retrieving or click this LOGO can navigate.Supporting, mobile client comprises the retrieval module retrieved label.
Further, mobile client also comprises:
Touch-screen and gesture recognition module, be responsible for carrying out identifying and calling respective operations according to user's gesture on the touchscreen;
Phonetic order identification module, is responsible for the phonetic order of identification user and calls respective operations.
Native system has following advantage, and mobile client can combined with positioning information, Automatically invoked BUILDINGS MODELS, and shows position in modes such as highlighted flicker spheroids.
Single floor can be selected to show, after selecting single floor, can show in display window in the mode of " extract out-launch ".
Terrestrial reference search index (as: inquiring about certain retail shop) can be carried out.
The user of native system is divided into three liang of classes:
The emergency management and rescue personnel such as a) public security anti-terrorism, fire-fighting, usage platform PC holds and mobile client, needs simple operations to call architecture information, display terminal is checked.
B) domestic consumer having navigation to need, mostly adopts mobile client, comprises the mobile devices such as IOS and Android, call architecture information and carry out indoor navigation.
C) technical support personnel: adopt PC end to supplement architecture information, revise operation, as demarcated retail shop's brand position etc. in the places such as building interior device location, market.
Above embodiment is only the present invention's a kind of embodiment wherein, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (9)
1. navigational system in a buildings, it comprises server and mobile client, and described mobile client connects described server by network, it is characterized in that, described server comprises a document data bank, for storing geographical location information and the 3 D image file of buildings;
Described mobile client comprises:
Display module, is responsible for the 3 D image file of display buildings;
Satellite positioning module, is responsible for the position being determined described mobile client by satnav mode;
Indoor positioning module, is responsible for the position determining described mobile client according to the change of the displacement of described mobile client, the acceleration of angle;
Indoor navigation module, is responsible for navigating at the 3 D image file of interior of building according to described buildings.
2. navigational system in buildings according to claim 1, is characterized in that: store the label identified inner subregion in the 3 D image file of described buildings.
3. navigational system in buildings according to claim 2, is characterized in that: described mobile client comprises the retrieval module retrieved described label.
4. navigational system in buildings according to claim 3, is characterized in that: described mobile client also comprises:
Touch-screen and gesture recognition module, be responsible for carrying out identifying and calling respective operations according to user's gesture on the touchscreen;
Phonetic order identification module, is responsible for the phonetic order of identification user and calls respective operations.
5. navigational system in buildings according to claim 4, it is characterized in that, described server adopts a kind of method based on DXF file generated 3-D view to obtain the 3 D image file of buildings, the method comprises the following steps: 1) pre-service, the map data mining platform corresponding to building element different in artificial setting DXF file, identifies with the title set;
2) import process, from each layer, identify the information of building element according to the title of setting, the layer in DXF file is imported successively;
3) identifying processing, the line by line data of reading DXF file, take out the geological information of building element and preserve respectively, the geological information of building element comprises the basic geometric data obtaining counter structure from DXF file: point, straight line, circular arc, circle, rectangle; According to obtained geometric data information, building element is converted to closed contour, thus obtains building the two dimensional surface data needed for three-dimensional building data;
4) aftertreatment, according to drawing geometric relativity, by giving expression to wall, the sandwich construction of thickness of window is converted into single layer structure;
5) display and human-edited's process, the various building elements that display imports, provide human-computer interaction interface to supply operator manually to modify to the mistake produced in importing process and perfect;
6) stretch processing, carries out stretched operation to the two dimensional surface data of the various building elements imported, and generates the three-dimensional data that building element is corresponding, and saves as three dimensional image format, to be applied to 3-D display.
6. navigational system in buildings according to claim 5, is characterized in that, in described step 1), if the building in DXF file is sandwich construction, and every layer of drawing difference, then by the drawing corresponding to every layer separately, to import respectively.
7. navigational system in buildings according to claim 6, is characterized in that, in described step 3), if there is block message in drawing, then in advance block message is all converted to the basic figure information of point, line, circle, circular arc composition.
8. navigational system in buildings according to claim 7, is characterized in that, described server also comprises model bank module, is responsible for the 3 D image file automatically generating non-universal parts in buildings.
9. navigational system in buildings according to claim 8, is characterized in that, described mobile client connects described server by internet or 3G, 4G network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410508746.3A CN104316948A (en) | 2014-09-29 | 2014-09-29 | Intra-building navigation system and application system thereof |
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| CN201410508746.3A CN104316948A (en) | 2014-09-29 | 2014-09-29 | Intra-building navigation system and application system thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016050081A1 (en) * | 2014-09-29 | 2016-04-07 | 苏州四方万象信息科技有限公司 | System for navigating inside of building and application system therefor |
| WO2016050083A1 (en) * | 2014-09-29 | 2016-04-07 | 苏州四方万象信息科技有限公司 | Method for converting two-dimensional image of building into three-dimensional structure |
| CN106780770A (en) * | 2017-02-08 | 2017-05-31 | 武汉睿和智云科技有限公司 | A kind of community content three-dimensional scenic editing system based on PC ends |
| CN107092727A (en) * | 2017-03-30 | 2017-08-25 | 南京师范大学 | A kind of across the floor space extracting method of Indoor environment based on CAD diagram paper |
| 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 |
| CN107770725A (en) * | 2017-09-28 | 2018-03-06 | 努比亚技术有限公司 | Arcade shop premises air navigation aid and mobile terminal |
| CN109781091A (en) * | 2018-12-28 | 2019-05-21 | 努比亚技术有限公司 | A kind of map-indication method of mobile terminal, mobile terminal and storage medium |
| CN113029172A (en) * | 2021-02-26 | 2021-06-25 | 深圳易行机器人有限公司 | Indoor and outdoor universal 2D and 3D hybrid navigation system |
-
2014
- 2014-09-29 CN CN201410508746.3A patent/CN104316948A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016050081A1 (en) * | 2014-09-29 | 2016-04-07 | 苏州四方万象信息科技有限公司 | System for navigating inside of building and application system therefor |
| WO2016050083A1 (en) * | 2014-09-29 | 2016-04-07 | 苏州四方万象信息科技有限公司 | Method for converting two-dimensional image of building into three-dimensional structure |
| CN106780770A (en) * | 2017-02-08 | 2017-05-31 | 武汉睿和智云科技有限公司 | A kind of community content three-dimensional scenic editing system based on PC ends |
| CN107092727A (en) * | 2017-03-30 | 2017-08-25 | 南京师范大学 | A kind of across the floor space extracting method of Indoor environment based on CAD diagram paper |
| 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 |
| CN107770725A (en) * | 2017-09-28 | 2018-03-06 | 努比亚技术有限公司 | Arcade shop premises air navigation aid and mobile terminal |
| CN109781091A (en) * | 2018-12-28 | 2019-05-21 | 努比亚技术有限公司 | A kind of map-indication method of mobile terminal, mobile terminal and storage medium |
| CN113029172A (en) * | 2021-02-26 | 2021-06-25 | 深圳易行机器人有限公司 | Indoor and outdoor universal 2D and 3D hybrid navigation system |
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Effective date of registration: 20150311 Address after: 215009 Jiangsu high tech Zone Suzhou City Binhe Road, No. 689 (No. 8 South Building Room 402-1) Applicant after: Suzhou Sifang Vientiane Mdt InfoTech Ltd Address before: 215000 wisdom Valley B5-702, hi tech Zone, Suzhou, Jiangsu, Suzhou Applicant before: Chen Yi |
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Application publication date: 20150128 |