CN101770634A - Ultrahigh resolution geographical information system and implementing method thereof - Google Patents
Ultrahigh resolution geographical information system and implementing method thereof Download PDFInfo
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- CN101770634A CN101770634A CN200910214274A CN200910214274A CN101770634A CN 101770634 A CN101770634 A CN 101770634A CN 200910214274 A CN200910214274 A CN 200910214274A CN 200910214274 A CN200910214274 A CN 200910214274A CN 101770634 A CN101770634 A CN 101770634A
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Abstract
The invention provides an ultrahigh resolution geographical information system (GIS), wherein a geographical information database cluster subsystem is used to store data, a geographical information rendering cluster subsystem is used to render data obtained from the geographical information database cluster subsystem to form an image, and a geographical information display and operation subsystem is used to display the image obtained from the geographical information rendering cluster subsystem. The invention also provides an implementing method of the ultrahigh resolution GIS, wherein a geographical position selected by a user is decomposed to different regions and the parallel processing is performed to various regions and layers, thus realizing the ultrahigh resolution GIS.
Description
Technical field
The present invention relates to the development field of GIS (Geographic Information System), particularly a kind of generalized information system of ultrahigh resolution and its implementation.
Background technology
Along with rolling up of figure layer and graphic element, GIS (Geographic Information System, Geographic Information System) is difficult to finish immediately the drafting and the procedure for displaying of image, usually adopt certain forecasting mechanism to obtain geographic information data in advance, finish the mode of drafting in advance in the realization, and the internal memory that makes full use of computing machine carries out image buffer storage, realizes the basic real-time that the client operates as far as possible.
Under ultrahigh resolution (greater than the resolution of 6*1024*768) situation, the graphic element number is the several times of common resolution GIS even tens times, every width of cloth image geographic information data acquisition time and drafting time and the system for content that occupies all are original several times even tens times, according to traditional display packing, it obtains with the pre-rendered time oversize in advance, and the image buffer storage method requires to reach the excessive demand of tens G to calculator memory.
Under ultrahigh resolution GIS used, the geographic information data in advance that tradition realizes obtained, drafting and image buffer storage method are no longer suitable, and its realization also can't reach performance requirement.
Summary of the invention
Problem solved by the invention is to provide generalized information system and its implementation of a kind of ultrahigh resolution, solves the problem that prior art can not realize the ultrahigh resolution generalized information system.
In order to address the above problem, the invention provides a kind of generalized information system of ultrahigh resolution, comprising:
Geographic information database cluster subsystem comprises database node, and each database node storage geographic information data is for geography information render farm subsystem provides data access service;
Geography information render farm subsystem, comprise and play up node, play up the task of node parallel processing geography information display and operation subsystem distribution, each is played up node and is responsible for specific zone, obtain geographic information data from geographic information database cluster subsystem, finish data to the playing up of image, and image is sent to geography information display and operation subsystem;
Geography information display and operation subsystem resolves into different zones with the geographic position that receives, and gives the different nodes of playing up with the figure layer that receives with different area distribution, will show from playing up the image that node obtains.
The generalized information system of ultrahigh resolution of the present invention, geography information display and operation subsystem sends to geography information render farm subsystem after task is decomposed, geography information render farm subsystem adopts Clustering, a plurality of nodes of playing up are carried out the task that the display and operation subsystem is distributed respectively, finish obtaining of data and playing up of image, realize that distributed obtaining with distributed play up, thereby the ultrahigh resolution generalized information system of real-time high-efficiency is provided.
The present invention also provides a kind of implementation method of generalized information system of ultrahigh resolution, may further comprise the steps:
Receive the geographic position and resolve into different zones with the figure layer and with the geographic position;
The parallel image that obtains figure layer and zones of different correspondence;
Show and geographic position that receives and the corresponding image of figure layer.
The implementation method of the generalized information system of a kind of ultrahigh resolution of the present invention resolves into different zones with the geographic position that the user selects with the figure layer, and each zone of parallel processing and figure layer are achieved the generalized information system of ultrahigh resolution.
Description of drawings
Fig. 1 is the example structure synoptic diagram of the generalized information system of ultrahigh resolution of the present invention;
Fig. 2 is the embodiment workflow synoptic diagram of the generalized information system of ultrahigh resolution of the present invention;
Fig. 3 is the implementation method embodiment schematic flow sheet of the generalized information system of ultrahigh resolution of the present invention.
Embodiment
The generalized information system of ultrahigh resolution of the present invention is divided into 3 subsystems, geographic information database cluster subsystem stores data, geography information render farm subsystem rendering image, geography information display and operation subsystem display image, geographic information database cluster subsystem and geography information render farm subsystem adopt Clustering, a plurality of nodes make the generalized information system of ultrahigh resolution be achieved simultaneously for the upper strata provides access services, further explain the present invention below in conjunction with accompanying drawing.
A kind of generalized information system of ultrahigh resolution as shown in Figure 1, comprising:
Geographic information database cluster subsystem, comprise 2 database nodes, i.e. 2 database servers, geographic information data that 2 database server stores are identical and Hot Spare each other, for the node of playing up of geography information render farm subsystem provides data access service, the load balancing module of database node detects the task treatment situation of self, when task is overweight, next task is transmitted to another database node;
Geography information render farm subsystem, comprise and play up node, playing up node is the processor with very strong view data processing power, as Digicom Magic processor, the number of playing up node increases and decreases as required, display unit is many more just to need many more nodes of playing up, to guarantee the speed of playing up of system, as display unit is 64, then play up node and can select 4, display unit is 256, play up node and can select 16, respectively play up the task of node parallel processing display and operation node distribution, each is played up node and is responsible for specific zone, obtain geographic information data according to the zone of being responsible for separately and figure layer of database node from geographic information database cluster subsystem, finish data playing up to image, and image sent to geography information display and operation subsystem, each plays up node except that finishing playing up of current geographic position, also adopt the two-way pyramid algorith prediction geographic position relevant with current geographic position, and the geographic information data of finishing relevant geographic position obtains and data playing up and the buffer memory of image to image, respectively play up the node image of free cache exchanging as required, can return view data in order to next immediately when accessed, respectively play up node Hot Spare each other, the load balancing module of playing up node detects the task treatment situation of self, when task is overweight, next task is transmitted to another plays up node, the failure shift module of playing up node is used to detect the operation conditions of database node, when detecting the database node inefficacy, then turn to another database node to obtain data, to guarantee the more highly reliable of system;
Geography information display and operation subsystem, comprise display and operation node and display device, the display and operation node is a ultrahigh resolution multi-screen output computing machine, display device is a super large display area spliced display wall, the display and operation node provides operation interface and the geographic position that the user selects is divided into different zones for the user, the figure layer that different zones and user are selected is distributed to the different nodes of playing up and goes to finish, after playing up node and finishing image and play up, the display and operation node is presented on the display wall after image is merged, the failure shift module of display and operation node, be used to detect the operation conditions of playing up node, when playing up node failure, this is played up the responsible zone-transfer of node play up node to another.
Its course of work is as shown in Figure 2:
Step 201: the display and operation node is selected the user by operation interface geographic position is resolved into different zones and the different nodes of playing up is distributed to the figure layer that the user selects in different zones;
Step 202: a plurality ofly play up zone and the figure layer that the node parallel processing is responsible for, the image after playing up is sent to the display and operation node;
Step 203: the display and operation node is presented on the display wall after the image that receives is merged.
Described step 202 may further comprise the steps:
Step 2021: play up node and judge whether the image corresponding with zone of being responsible for and figure layer has been played up, and enters step 2025 if played up, and does not enter step 2022 if play up;
Step 2022: play up node and judge that periphery plays up node (being responsible for the node that immediate area image is up and down played up) whether correspondence image is arranged, if having, then enter step 2023, if do not enter step 2024;
Step 2023: play up node from periphery and obtain corresponding geographic information data and image, enter step 2025;
Step 2024: play up node and obtain and be responsible for zone and the corresponding geographic information data of figure layer, finish data playing up to image from database node;
Step 2025: play up node and send image to the display and operation node;
Step 2026: play up the node prediction position relevant, play up the also image of buffer memory relevant position with current location.
A kind of implementation method of ultrahigh resolution generalized information system, as shown in Figure 3: may further comprise the steps:
Step 301: receive the geographic position and resolve into different zones with the figure layer and with the geographic position;
Step 302: the parallel image that obtains figure layer and zones of different correspondence;
Step 303: show and geographic position that receives and the corresponding image of figure layer.
Described step 302 may further comprise the steps:
Step 3021: judge that whether the figure layer is played up with the corresponding image in different zones, enters step 303 if played up, if do not enter step 3022;
Step 3022: obtain the corresponding data of figure layer and different zones, finish data to the playing up of image,
Step 3023: prediction relevant position, the playing up and buffer memory of image of finishing relevant position.
Above-mentioned relevant position is meant the position relevant with current location that predicts according to two-way pyramid algorith.
Above-described embodiment of the present invention does not constitute the qualification to protection domain of the present invention.Any modification of being done within the spirit and principles in the present invention, be equal to and replace and improvement etc., all should be included within the claim protection domain of the present invention.
Claims (10)
1. the generalized information system of a ultrahigh resolution is characterized in that, comprising:
Geographic information database cluster subsystem comprises database node, and each database node storage geographic information data is for geography information render farm subsystem provides data access service;
Geography information render farm subsystem, comprise and play up node, play up the task of node parallel processing geography information display and operation subsystem distribution, each is played up node and is responsible for specific zone, obtain geographic information data from geographic information database cluster subsystem, finish data to the playing up of image, and image is sent to geography information display and operation subsystem;
Geography information display and operation subsystem resolves into different zones with the geographic position that receives, and gives the different nodes of playing up with the figure layer that receives with different area distribution, will show from playing up the image that node obtains.
2. the generalized information system of ultrahigh resolution according to claim 1 is characterized in that, the number of described database node is 2, and 2 database nodes are Hot Spare each other.
3. the generalized information system of ultrahigh resolution according to claim 1 and 2 is characterized in that,
Described database node is a database server;
And/or
Described database node comprises load balancing module, is used to detect self task treatment situation, when task is overweight, next task is disposed to another database node.
4. the generalized information system of ultrahigh resolution according to claim 1, it is characterized in that, the described node of playing up is by the two-way pyramid algorith prediction geographic position relevant with current geographic position, and obtain the geographic information data in relevant geographic position, finish the image in relevant geographic position and play up and buffer memory, respectively play up between the node image of free cache exchanging as required.
5. according to the generalized information system of claim 1 or 4 described ultrahigh resolutions, it is characterized in that,
The described node of playing up is an image processor;
And/or
The described node of playing up comprises load balancing module, is used to detect self task treatment situation, when task is overweight, next task is disposed to another play up node;
And/or
The described node of playing up comprises the failure shift module, is used to detect the operation conditions of database node, when detecting the database node inefficacy, then turns to another database node to obtain data;
And/or
The described node Hot Spare each other of playing up.
6. the generalized information system of ultrahigh resolution according to claim 1, it is characterized in that, described geography information display and operation subsystem comprises display and operation node and display device, described display and operation node provides operation interface for the user, different zones is resolved in the geographic position that the user selects, give the different nodes of playing up the figure layer that the user selects with different area distribution, being presented on the display device from playing up the image that node obtains.
7. the generalized information system of ultrahigh resolution according to claim 6, it is characterized in that described display and operation node comprises the failure shift module, is used to detect the operation conditions of playing up node, when playing up node failure, this is played up the responsible zone-transfer of node play up node to another.
8. the implementation method of a ultrahigh resolution generalized information system is characterized in that, may further comprise the steps:
(1). receive the geographic position and resolve into different zones with the figure layer and with the geographic position;
(2). the parallel image that obtains figure layer and zones of different correspondence;
(3). show and geographic position that receives and the corresponding image of figure layer.
9. the implementation method of ultrahigh resolution generalized information system according to claim 8 is characterized in that, described step (2) may further comprise the steps:
A. obtain the geographic information data of figure layer and zones of different correspondence;
B. data are played up image.
10. the implementation method of ultrahigh resolution generalized information system according to claim 9 is characterized in that,
Before described step a, comprise step:
Judge whether correspondence image is played up, enter step (3), if do not enter step a if played up;
After described step b, comprise step:
The prediction relevant position, the playing up and buffer memory of image of finishing relevant position.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103208226A (en) * | 2012-01-17 | 2013-07-17 | 深圳市腾讯计算机系统有限公司 | Method and device for rendering interchange road in electronic map system |
| CN103426193A (en) * | 2012-05-25 | 2013-12-04 | 上海幻维数码创意科技有限公司 | Distributed animation rendering method and apparatus thereof |
| CN103885742B (en) * | 2014-03-28 | 2017-01-25 | 广东威创视讯科技股份有限公司 | Distributed display data acquisition method and device and wall splicing system |
| CN106775540A (en) * | 2016-12-30 | 2017-05-31 | 上海寰视网络科技有限公司 | A kind of ultrahigh resolution GIS map controls large-size screen monitors system and method |
| CN110096659A (en) * | 2019-03-27 | 2019-08-06 | 北京三快在线科技有限公司 | A kind of page display method, device, equipment and readable storage medium storing program for executing |
| CN110618700A (en) * | 2019-08-23 | 2019-12-27 | 西南交通大学 | Three-dimensional geographic information system for community distribution and unmanned aerial vehicle track path planning application method |
| CN111427988A (en) * | 2020-06-11 | 2020-07-17 | 武大吉奥信息技术有限公司 | Method and system for generating regional hierarchical rendering graph and electronic equipment |
-
2009
- 2009-12-28 CN CN200910214274A patent/CN101770634A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103208226A (en) * | 2012-01-17 | 2013-07-17 | 深圳市腾讯计算机系统有限公司 | Method and device for rendering interchange road in electronic map system |
| CN103208226B (en) * | 2012-01-17 | 2015-04-15 | 深圳市腾讯计算机系统有限公司 | Method and device for rendering interchange road in electronic map system |
| CN103426193A (en) * | 2012-05-25 | 2013-12-04 | 上海幻维数码创意科技有限公司 | Distributed animation rendering method and apparatus thereof |
| CN103885742B (en) * | 2014-03-28 | 2017-01-25 | 广东威创视讯科技股份有限公司 | Distributed display data acquisition method and device and wall splicing system |
| CN106775540A (en) * | 2016-12-30 | 2017-05-31 | 上海寰视网络科技有限公司 | A kind of ultrahigh resolution GIS map controls large-size screen monitors system and method |
| CN106775540B (en) * | 2016-12-30 | 2019-11-22 | 上海寰视网络科技有限公司 | A kind of ultrahigh resolution GIS map control large-size screen monitors system and method |
| CN110096659A (en) * | 2019-03-27 | 2019-08-06 | 北京三快在线科技有限公司 | A kind of page display method, device, equipment and readable storage medium storing program for executing |
| CN110618700A (en) * | 2019-08-23 | 2019-12-27 | 西南交通大学 | Three-dimensional geographic information system for community distribution and unmanned aerial vehicle track path planning application method |
| CN111427988A (en) * | 2020-06-11 | 2020-07-17 | 武大吉奥信息技术有限公司 | Method and system for generating regional hierarchical rendering graph and electronic equipment |
| CN111427988B (en) * | 2020-06-11 | 2020-09-18 | 武大吉奥信息技术有限公司 | Method and system for generating regional hierarchical rendering graph and electronic equipment |
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Application publication date: 20100707 |