CN106251623B - It is a kind of that the system of road real-time road service is provided - Google Patents
It is a kind of that the system of road real-time road service is provided Download PDFInfo
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- CN106251623B CN106251623B CN201511017434.3A CN201511017434A CN106251623B CN 106251623 B CN106251623 B CN 106251623B CN 201511017434 A CN201511017434 A CN 201511017434A CN 106251623 B CN106251623 B CN 106251623B
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- 239000003607 modifier Substances 0.000 claims description 12
- 230000005055 memory storage Effects 0.000 claims description 3
- 241000208340 Araliaceae Species 0.000 claims description 2
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 claims description 2
- 235000003140 Panax quinquefolius Nutrition 0.000 claims description 2
- 235000008434 ginseng Nutrition 0.000 claims description 2
- 238000012986 modification Methods 0.000 claims description 2
- 230000004048 modification Effects 0.000 claims description 2
- 230000007547 defect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 238000004590 computer program Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0125—Traffic data processing
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Abstract
The present invention provides a kind of system of offer road real-time road service.The system is by the way that continually changing Road chain state to be stored in Installed System Memory, and the map slice that Road chain state is cut into different levels is cached, so that it can overcome road conditions in the prior art to show defect not in time, to meet the requirement of road conditions real-time display, while also reducing the requirement to GIS server performance.
Description
Technical field
The present invention relates to monitoring road conditions technical field more particularly to a kind of systems of offer road real-time road service.
Background technique
In the prior art, the Main of real-time display road conditions is usually in GIS map：GIS server according to
The service request of front end browser reads Road chain status data from GIS database, and by the Road chain status data
It generates corresponding request picture and returns to the front end browser, to display for a user the Real-time Road road conditions of its request.
In the implementation of the present invention, inventor's discovery at least has the following technical problems in the prior art：
In existing homemade software and hardware environment, since the cpu performance of GIS server is limited, GIS server is before generation
Time-consuming is too long when the picture for holding browser to need, and shows so as to cause the road conditions being deployed under homemade software and hardware environment too late
When, and have Caton phenomenon.
Summary of the invention
It is provided by the invention that the system of road real-time road service is provided, it can satisfy front end browser real-time display road
The requirement of road road conditions has the advantages that processing speed is fast and low etc. to GIS server performance requirement.
In a first aspect, the present invention provides a kind of system of offer road real-time road service, the system comprises the systems
System include based on memory the data processing module of data source, Road chain data update module, dynamically cut figure processing module and preceding
Hold browser calling module, wherein the data processing module of the data source based on memory include Road chain initialization unit,
Road chain status modifier unit and web Map Services unit based on OGC standard；
The Road chain initialization unit, the road for being used to show road conditions for will be obtained from external data base
Road road chain space data are stored in memory, wherein the Road chain space data include by Road chain number and initial
The initial road road chain data that Road chain state is constituted；
The Road chain data update module, for timing from external data base obtain include Road chain number and
The a certain moment Road chain data of a certain moment Road chain state, and a certain moment Road chain number that will acquire
Disappear according to being sent to the Road chain status modifier unit, and in receive the Road chain status modifier unit first
Figure processing module is cut to the dynamic after breath and sends second message, and the second message cuts figure processing mould for triggering the dynamic
Block caches updated road conditions slice；
The Road chain status modifier unit, for according to a certain moment Road chain data modification received
Road chain state corresponding with the Road chain number in a certain moment Road chain data in the memory, with complete
The update of the road conditions of the pairs of memory storage, and first message, institute are fed back to the Road chain data update module
State instruction message of the first message for showing that road condition updating is completed；
The dynamic cuts figure processing module, for after receiving the second message, according to pre-set GIS map
Level and the slice size of each level map calculate the BBox parameter of each slice, to form the BBox ginseng of each level map
Manifold is closed, and sends the BBox parameter including each level map to the web Map Services unit based on OGC standard
Set first request, and for using each map slice where GIS map level, horizontal axis number and longitudinal axis number as
The set of the corresponding map slice is cached in disk by the store path of each map slice；
The web Map Services unit based on OGC standard, for each level according to first request
The BBox parameter sets of figure retrieve corresponding Road chain from memory to form the set of corresponding map slice, and to
The dynamic cuts the set that figure processing module returns to the corresponding map slice；
The front end browser calling module, the GIS map area coordinate for being inputted according to user is from the disk
The map slice in corresponding GIS map region is obtained, and the map in the correspondence GIS map region that will acquire is sliced in GIS map
Upper Overlapping display.
Preferably, the Road chain number of the Road chain space data and corresponding Road chain state are with B-tree knot
Structure is stored in the memory, wherein the keyword of B-tree structure is the number of the Road chain.
It is provided in an embodiment of the present invention that the system of road real-time road service is provided, compared with prior art, on the one hand, its
By the way that continually changing Road chain state to be stored in Installed System Memory, and Road chain state is cut into the ground of different levels
Figure slice is cached, so that it can overcome road conditions in the prior art to show defect not in time, to meet
The requirement of road road conditions real-time display, while also reducing the requirement to GIS server performance.
Detailed description of the invention
Fig. 1 provides the structural schematic diagram of the system of road real-time road service for one embodiment of the invention；
Fig. 2 is the display renderings of the real-time road of the system for providing road real-time road service of the invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
It is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
The present invention provides a kind of system of offer road real-time road service, as shown in Figure 1, the system comprises based on interior
The data processing module 11 in deposit data source, dynamically cuts figure processing module 13 and front end browsing at Road chain data update module 12
Device calling module 14, wherein the data processing module 11 of the data source based on memory includes Road chain initialization unit
111, Road chain status modifier unit 112 and the web Map Services unit 113 based on OGC standard；
The Road chain initialization unit 111, for being used to show road conditions by what is obtained from external data base
Road chain space data be stored in memory, wherein the Road chain space data include by Road chain number and
The initial road road chain data that initial road road chain state is constituted；
Wherein, the Road chain space data illustrate GML (Geography Markup Language, map logos
Speech) form is described.
The Road chain data update module 12, obtaining from external data base for timing includes that Road chain is numbered
With a certain moment Road chain data of a certain moment Road chain state, and a certain moment Road chain that will acquire
Data are sent to the Road chain status modifier unit 112, and are receiving the Road chain status modifier unit 112
First message after cut figure processing module 13 to the dynamic and send second message, the second message is for triggering the dynamic
Figure processing module 13 is cut to cache updated road conditions slice；
The Road chain status modifier unit 112, for according to a certain moment Road chain data received
The Road chain state corresponding with the Road chain number in a certain moment Road chain data in the memory is modified,
To complete the update to the road conditions of the memory storage, and disappear to the Road chain data update module 12 feedback first
Breath, the first message are used to show to be completed the instruction message of road condition updating；
The dynamic cuts figure processing module 13, for after receiving the second message, according to pre-set GIS
Figure layer grade and the slice size of each level map calculate the BBox parameter of each slice, to form the BBox of each level map
Parameter sets, and to described based on OGC (Open Geospatial Consortium-OGC, open geospatial information alliance)
The web Map Services unit 113 of standard sends the first request of the BBox parameter sets including each level map,
In, for numbering as what each map was sliced and depositing using GIS map level, horizontal axis number and the longitudinal axis where each map slice
Path is stored up, the set of the corresponding map slice is cached in disk；
The web Map Services unit 113 based on OGC standard, for each layer according to first request
The BBox parameter sets of grade map, retrieve corresponding Road chain from memory to form the set of corresponding map slice,
And figure processing module 13 is cut to the dynamic and returns to the set that the corresponding map is sliced；
The front end browser calling module 14, GIS map area coordinate for being inputted according to user is from the disk
The middle map slice for obtaining corresponding GIS map region, and the map slice in the correspondence GIS map region that will acquire is in GIS
Overlapping display on figure.
Wherein, in order to further increase the speed for searching corresponding Road chain from memory according to Road chain number,
Here the Road chain number of the Road chain space data and corresponding Road chain state are with B-tree structure (Balance
Tree balances multiway tree) it is stored in the memory, wherein the keyword of B-tree structure is the number of the Road chain.
It is provided in an embodiment of the present invention that the system of road real-time road service is provided, compared with prior art, on the one hand, its
By the way that continually changing Road chain state to be stored in Installed System Memory, and Road chain state is cut into the ground of different levels
Figure slice is cached, so that it can overcome road conditions in the prior art to show defect not in time, to meet
The requirement of road road conditions real-time display, while also reducing the requirement to GIS server performance.
Wherein, the dynamic cuts the workflow of figure processing module 13, specially：
S21, the update service request that Road chain update module is sent is received；
S22, a map level is seriatim taken out from pre-set GIS map level list；
S23, the storage location that each map slice in the map level is obtained from the map level taken out, institute
State horizontal axis number and longitudinal axis number expression that the storage location of each map slice is sliced by each map；
S24, the horizontal axis being sliced according to each map in each map level obtained above and each map level
Number and longitudinal axis number construct the BBox parameter of each map slice；
S25, the BBox parameter obtained according to S24 step call the web Map Services unit 113 based on OGC standard
To generate corresponding map slice, and the map of return is sliced with GIS map level, the horizontal axis volume where each map slice
Number and the longitudinal axis number the store path that is sliced as each map, the set that the corresponding map is sliced is cached to disk
In.
As shown in Fig. 2, for road conditions effect picture shown by the system for providing road real-time road service of the invention.
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the program can be stored in a computer-readable storage medium
In, the program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein, the storage medium can be magnetic
Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access
Memory, RAM) etc..
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by those familiar with the art, all answers
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (2)
1. a kind of provide the system of road real-time road service, which is characterized in that the system comprises data sources based on memory
Data processing module, dynamically cuts figure processing module and front end browser calling module at Road chain data update module, wherein
The data processing module of the data source based on memory include Road chain initialization unit, Road chain status modifier unit and
Web Map Services unit based on OGC standard；
The Road chain initialization unit, the Road for being used to show road conditions for will be obtained from external data base
Chain space data are stored in memory, wherein the Road chain space data include being numbered by Road chain and initial road
The initial road road chain data that road chain state is constituted；
The Road chain data update module, for timing from external data base obtain include Road chain number and it is a certain
The a certain moment Road chain data of moment Road chain state, and a certain moment Road chain data hair that will acquire
It send to the Road chain status modifier unit, and after the first message for receiving the Road chain status modifier unit
Figure processing module is cut to the dynamic and sends second message, and the second message cuts figure processing module pair for triggering the dynamic
Updated road conditions slice is cached；
The Road chain status modifier unit, for according to a certain moment Road chain data modification received
Road chain state corresponding with the Road chain number in a certain moment Road chain data in memory, with completion pair
The update of the road conditions of the memory storage, and first message is fed back to the Road chain data update module, described the
One message is used to show to be completed the instruction message of road condition updating；
The dynamic cuts figure processing module, for after receiving the second message, according to pre-set GIS map level
The BBox parameter of each map slice is calculated, with the slice size of each level map to form the BBox ginseng of each level map
Manifold is closed, and sends the BBox parameter including each level map to the web Map Services unit based on OGC standard
Set first request, and for using each map slice where GIS map level, horizontal axis number and longitudinal axis number as
The set of the corresponding map slice is cached in disk by the store path of each map slice；
The web Map Services unit based on OGC standard, for each level map according to first request
BBox parameter sets retrieve corresponding Road chain from memory to form the set of corresponding map slice, and to described
Dynamic cuts the set that figure processing module returns to the corresponding map slice；
The front end browser calling module, the GIS map area coordinate for being inputted according to user are obtained from the disk
The map slice in corresponding GIS map region, and the map in the correspondence GIS map region that will acquire is sliced and folds in GIS map
Add display.
2. system according to claim 1, which is characterized in that the Road chains of Road chain space data number and
Corresponding Road chain state is stored in the memory with B-tree structure, wherein the keyword of B-tree structure is the Road
The number of chain.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201511017434.3A CN106251623B (en) | 2015-12-29 | 2015-12-29 | It is a kind of that the system of road real-time road service is provided |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201511017434.3A CN106251623B (en) | 2015-12-29 | 2015-12-29 | It is a kind of that the system of road real-time road service is provided |
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| CN106251623A CN106251623A (en) | 2016-12-21 |
| CN106251623B true CN106251623B (en) | 2018-11-30 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10353931B2 (en) * | 2016-12-30 | 2019-07-16 | DeepMap Inc. | High definition map and route storage management system for autonomous vehicles |
| CN109461303B (en) * | 2018-10-30 | 2021-01-26 | 北京恒达时讯科技股份有限公司 | Traffic congestion state acquisition method and device |
| CN111507861A (en) * | 2020-04-07 | 2020-08-07 | 南京海兴电网技术有限公司 | Power utilization data processing and visualization method and system |
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| CN101937458A (en) * | 2010-08-31 | 2011-01-05 | 北京世纪高通科技有限公司 | Simple map generation and release method and device based on traffic information |
| CN102376160A (en) * | 2010-08-09 | 2012-03-14 | 中国移动通信集团辽宁有限公司 | Method and system for updating real-time traffic information |
| CN102880440A (en) * | 2012-09-29 | 2013-01-16 | 广东威创视讯科技股份有限公司 | Method and system for displaying map on splicing wall |
| CN104142935A (en) * | 2013-05-07 | 2014-11-12 | 北京四维图新科技股份有限公司 | Dynamic tiled map acquiring method and device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3849435B2 (en) * | 2001-02-23 | 2006-11-22 | 株式会社日立製作所 | Traffic situation estimation method and traffic situation estimation / provision system using probe information |
| US6911918B2 (en) * | 2002-12-19 | 2005-06-28 | Shawfu Chen | Traffic flow and route selection display system for routing vehicles |
| WO2007115273A2 (en) * | 2006-03-31 | 2007-10-11 | Geospot, Inc. | Methods for interaction, sharing, and exploration over geographical locations |
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2015
- 2015-12-29 CN CN201511017434.3A patent/CN106251623B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102376160A (en) * | 2010-08-09 | 2012-03-14 | 中国移动通信集团辽宁有限公司 | Method and system for updating real-time traffic information |
| CN101937458A (en) * | 2010-08-31 | 2011-01-05 | 北京世纪高通科技有限公司 | Simple map generation and release method and device based on traffic information |
| CN102880440A (en) * | 2012-09-29 | 2013-01-16 | 广东威创视讯科技股份有限公司 | Method and system for displaying map on splicing wall |
| CN104142935A (en) * | 2013-05-07 | 2014-11-12 | 北京四维图新科技股份有限公司 | Dynamic tiled map acquiring method and device |
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