CN110825761A - Ship-shore distributed electronic chart system-oriented chart data arrangement and updating method - Google Patents
Ship-shore distributed electronic chart system-oriented chart data arrangement and updating method Download PDFInfo
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Abstract
The invention belongs to the field of navigation, and discloses a ship-shore-oriented distributed electronic chart system and a chart data arrangement and update method; the system comprises a ship-end electronic chart system and a bank-end electronic chart system, wherein the ship-end electronic chart system comprises a ship-end server and a plurality of ship-end terminals, the bank-end electronic chart system comprises a bank-end server and a plurality of bank-end terminals, and the ship-end server and the bank-end server can realize the bidirectional intercommunication of data of the electronic chart system and the bank-end electronic chart system through a network. A method for arranging and updating the chart data is correspondingly arranged on the basis of the system.
Description
Technical Field
The invention belongs to the field of navigation and provides a chart data arrangement and updating method for a ship-shore distributed electronic chart system.
Background
The electronic chart system is a product of multidisciplinary cross development of a navigation technology, a marine surveying and mapping technology, a Geographic Information System (GIS) technology, a computer network and the like, and is widely applied to the fields of ship navigation, port monitoring, hydrological meteorological measurement and the like. The basic function of the electronic chart system is to provide visual situation display of global electronic chart data for users, and thus, various electronic chart application services are built for the core. With the continuous maturity of technologies for developing and utilizing oceans by human beings, particularly the proposal of intelligent ships and intelligent navigation concepts, the application scene of the electronic chart is continuously developed from single node applications such as the past shore-based platform monitoring, ship navigation and offshore platform monitoring towards networking, ship-shore cooperation and ship-shore integration application directions.
The chart data is the basis of various applications of the electronic chart system, so a series of specifications and standards are promulgated by the international maritime organization and the international water channel measuring organization aiming at the electronic chart data, and the transmission, the organization structure, the display and the symbolization of the electronic chart data are specified in detail. However, these standards are not established for networked electronic chart applications, and the standard S57/S63 chart data cannot be directly applied to the ship-shore distributed electronic chart system because of the steps of data analysis, data processing, and graphic rendering. In the existing ship-shore communication network environment, how to arrange and update electronic chart data is one of key technologies for realizing ship-shore distributed electronic chart system application.
At present, the electronic chart data of the electronic chart system based on the network application mainly adopts grating chart data, and a user transmits a large amount of chart tile data through the network to perform chart application when accessing the Web chart service through a browser. The data scale of the raster chart meeting the global navigation application is from several TB to dozens of TB, the data scale greatly occupies other application data bandwidth when being transmitted in the existing ship-shore communication network bandwidth, the system operation speed is reduced, the system cannot operate, and the use cost is difficult to bear under the existing communication flow charging condition. Therefore, the invention provides a chart data arrangement and updating method for a ship-shore distributed electronic chart system, which is suitable for ocean-going ships.
Disclosure of Invention
The invention aims to make up the defects of the prior art and provides a chart data arrangement and updating method for a ship-shore distributed electronic chart system under the conditions of low communication bandwidth and high data flow cost of the prior ship-shore.
The technical scheme adopted by the invention is as follows:
the utility model provides a distributed electron chart system of ship bank facing which characterized in that: the ship-end electronic chart system comprises a ship-end electronic chart system and a shore-end electronic chart system, wherein the ship-end electronic chart system comprises a ship-end server and a plurality of ship-end terminals, the shore-end electronic chart system comprises a shore-end server and a plurality of shore-end terminals, and the ship-end server and the shore-end server can realize the bidirectional intercommunication of data of the ship-end electronic chart system and the shore-end electronic chart system through a network.
A chart data arrangement and updating method for a ship-shore distributed electronic chart system is applied, and is characterized in that: the method comprises the following steps:
step 1: slicing according to the vector electronic chart data to produce chart slices, and generating chart grating tile data according to the longitude and latitude;
step 2: respectively arranging the grating tile data on a shore-end server and a ship-end server;
and step 3: when a ship-end user accesses the electronic chart system by using a browser, the system judges to access a ship-end or shore-end chart data server according to the state and communication conditions of a ship;
and 4, step 4: and the ship-side electronic chart system automatically judges an updating mode according to the ship communication condition and selects to update chart slice data in the server.
Further, in step 1, according to vector electronic chart data used by the ship-shore distributed electronic chart, slicing processing is performed for different positions to generate raster tile data of the electronic chart.
Further, in the step 2, the data are organized according to the corresponding geographical longitude and latitude of the tile data and are respectively deployed in a shore-side server and a ship-side server of the ship-shore distributed electronic chart system.
Further, in step 3, before the ship-side browser of the electronic chart system based on the B/S architecture accesses the server, the system accesses the server according to the communication status of the ship, the motion parameters of the ship, and preferably the ship-side server or the bank-side server, and reads the raster tile data.
Further, in the step 4, the ship-side electronic chart system updates the chart raster tile data stored in the ship-side server according to the ship communication condition until the data is synchronous with the data of the shore-side server.
The invention has the advantages and positive effects that:
in the invention, the ship-end electronic chart system and the bank-end electronic chart system are adopted to realize the bidirectional intercommunication of data through an external network, such as a maritime satellite, wired optical fiber communication or mobile communication technology.
The method for arranging and updating the chart data has the following advantages. In the step 1, the map is cut into small blocks of chart raster data tiles according to corresponding chart range, sliced pixels, scale level and the like, and when a ship end or a bank end server receives a receiving requirement, the generated chart data tiles can be pieced together and returned to a client; in step 2, the deployment amount of the initial tile data can be determined according to the navigation area of the ship or the geographic longitude and latitude range of the operation area, and the relevant sea area is covered as much as possible. The data quantity of the transmitted tiles required by a user in the using process is reduced as much as possible; step 3, checking the current ship position and the chart coverage condition of the sea area in the ship-borne server in the service logic layer of the system, and directly reading the ship-borne server when the ship-borne server can be covered; and when the ship cannot be completely covered, the system carries out network speed test to judge the communication condition of the ship, if the communication speed of the ship is monitored to be higher than the lowest speed required by the operation of the system, the system reads the shore-based server, and if the communication speed of the ship is monitored to be higher than the lowest speed required by the operation of the system, the data is read from the ship-mounted server. The ship-side electronic chart system produces data access records according to the access conditions; and 4, monitoring the communication state of the ship by the ship-side electronic chart system, and when the ship position is monitored to be static and the communication speed is greater than a specified speed, the ship is generally in a wharf and harbor state. And at the moment, the ship-side electronic chart system automatically updates the grating chart data of the relevant sea area in time according to the data access record. The method is suitable for the communication requirements under the environment of low communication bandwidth and high data traffic cost of the existing ship shore.
Drawings
FIG. 1 is a block diagram of a ship-shore distributed electronic chart system according to the present invention;
FIG. 2 is a flow chart of the data access service process of the ship-side electronic chart system of the present invention;
fig. 3 is a design diagram of the updating data flow of the ship-side electronic chart system of the invention.
Detailed Description
The present invention is further illustrated by the following examples, which are intended to be illustrative, not limiting and are not intended to limit the scope of the invention.
The technical scheme adopted by the invention is as follows:
the invention relates to a ship-shore-oriented distributed electronic chart system which is characterized by comprising a ship-end electronic chart system and a shore-end electronic chart system, wherein the ship-end electronic chart system comprises a ship-end server and a plurality of ship-based terminals, the shore-end electronic chart system comprises a shore-end server and a plurality of shore-based terminals, and the ship-end server and the shore-end server can realize the bidirectional intercommunication of data of the electronic chart system and the shore-end electronic chart system through a network.
The chart data arrangement and updating method applying the system (taking the longitude of the chart range of C100102 offshore China: 105-133 degrees; and the latitude of 3-41 degrees as examples) is innovative in that the method comprises the following steps:
step 1: slicing is carried out according to the vector electronic chart data, chart slices are produced, each slice is designed to be 256 multiplied by 256 pixels, and when the cutting level is 16 levels in a chart area in the C100102 chart range, 4500 ten thousand pieces of tile file data are generated;
step 2: respectively arranging the grating tile data on a shore-end server and a ship-end server;
in addition to deploying all of the chart tile data in the shore-side server, the initial tile data is also deployed within the ship-side server of the distributed electronic chart system. The deployment amount of the initial tile data can be determined according to the navigation area of the ship or the geographic latitude and longitude range of the operation area, and the relevant sea area is covered as much as possible.
And step 3: when a ship-end user accesses the electronic chart system by using a browser, the system judges to access a ship-end or shore-end chart data server according to the state and communication conditions of a ship;
further, in step 3, before the ship-side browser of the electronic chart system based on the B/S architecture accesses the server, the system preferably accesses the ship-side server or the bank-side server according to the communication condition (e.g., the network speed) of the ship, the motion parameter (e.g., the position) of the ship, and reads the raster tile data.
And the browser performs data interaction with the Server through the Web Server. The service layer business logic of the distributed electronic chart system adopts chart service (ChartService) developed by VSC # under the environment of Dotnet Framework4 of Microsoft. In order to facilitate maintenance, upgrading and realization of distributed application, a business logic Service layer and a data access layer are separated, the business logic Service layer is composed of a Chart Service interface and middleware, and a Web page calls a database through the business logic Service layer.
After the ship-side electronic chart system browser receives the access request, checking the chart coverage conditions of the current ship position and the sea area in the ship-mounted server in the service logic layer of the system, and directly reading the ship-mounted server when the ship-side electronic chart system browser can cover the sea area; when the ship can not be completely covered, the system carries out network speed test to judge the communication condition of the ship, when the communication speed of the ship is monitored to be greater than the lowest speed (set to be 6Mbps in the example) required by the operation of the system, the system reads the shore-based server, otherwise, the data is read from the ship-mounted server. And the ship-side electronic chart system produces data access records according to the access conditions.
And 4, step 4: the ship-side electronic chart system automatically judges an updating mode according to the communication condition (such as the network speed) of the ship, and selects and updates the chart slice data in the server.
In this embodiment, in the step 4, the ship-side electronic chart system monitors the communication state of the ship, and when it is monitored that the ship position is still and the communication rate is greater than a specified rate (in this example, set to 50Mbps), the ship is generally in a dock and harbor state. And at the moment, the ship-side electronic chart system automatically updates the grating chart data of the relevant sea area in time according to the data access record.
Claims (6)
1. The utility model provides a distributed electron chart system of ship bank facing which characterized in that: the ship-end electronic chart system comprises a ship-end electronic chart system and a shore-end electronic chart system, wherein the ship-end electronic chart system comprises a ship-end server and a plurality of ship-end terminals, the shore-end electronic chart system comprises a shore-end server and a plurality of shore-end terminals, and the ship-end server and the shore-end server can realize the bidirectional intercommunication of data of the ship-end electronic chart system and the shore-end electronic chart system through a network.
2. The chart data arranging and updating method facing the ship-shore distributed electronic chart system according to claim 1, wherein the chart data arranging and updating method comprises the following steps: the method comprises the following steps:
step 1: slicing according to the vector electronic chart data to produce chart slices, and generating chart grating tile data according to the longitude and latitude;
step 2: respectively arranging the grating tile data on a shore-end server and a ship-end server;
and step 3: when a ship-end user accesses the electronic chart system by using a browser, the system judges to access a ship-end or shore-end chart data server according to the state and communication conditions of a ship;
and 4, step 4: and the ship-side electronic chart system automatically judges an updating mode according to the ship communication condition and selects to update chart slice data in the server.
3. The chart data arranging and updating method facing the ship-shore distributed electronic chart system according to claim 2, wherein: in the step 1, according to vector electronic chart data used by the ship-shore distributed electronic chart, slicing processing is performed for different positions to generate grating tile data of the electronic chart.
4. The chart data arranging and updating method facing the ship-shore distributed electronic chart system according to claim 2, wherein: in the step 2, the data are organized according to the corresponding geographic longitude and latitude of the tile data and are respectively deployed in a shore-side server and a ship-side server of the ship-shore distributed electronic chart system.
5. The chart data arranging and updating method facing the ship-shore distributed electronic chart system according to claim 2, wherein: in the step 3, before a ship-side browser of the electronic chart system based on the B/S architecture accesses the server, the system accesses the server according to the communication condition of the ship, the motion parameters of the ship, and preferably the ship-side server or the shore-side server, and reads the raster tile data.
6. The chart data arranging and updating method facing the ship-shore distributed electronic chart system according to claim 2, wherein: in the step 4, the ship-side electronic chart system updates the chart grating tile data stored in the ship-side server according to the ship communication condition until the data is synchronous with the data of the shore-side server.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111290392A (en) * | 2020-02-29 | 2020-06-16 | 长江三峡通航管理局 | System and method for controlling formation and cooperative stop of ship passing through gate |
| CN113407621A (en) * | 2021-05-14 | 2021-09-17 | 福建瑶光智能科技有限公司 | Method, device and medium for synchronizing chart data of terminal equipment and server |
| CN116860899A (en) * | 2023-05-18 | 2023-10-10 | 广州海宁海务技术咨询有限公司 | Updating method of ship inventory chart data |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6234085A (en) * | 1985-08-07 | 1987-02-14 | Shipbuild Res Assoc Japan | Apparatus for displaying information of marine chart |
| CN102449628A (en) * | 2009-04-03 | 2012-05-09 | 谷歌公司 | Architectural pattern for persistent web application design |
| CN102510473A (en) * | 2011-10-12 | 2012-06-20 | 深圳职业技术学院 | Ship-shore data communication system based on 3G wireless network |
| CN102636167A (en) * | 2012-04-28 | 2012-08-15 | 大连海事大学 | Browser-based marine navigation system |
| CN103455624A (en) * | 2013-09-16 | 2013-12-18 | 湖北文理学院 | Implement method of lightweight-class global multi-dimensional remote-sensing image network map service |
| CN103971542A (en) * | 2014-04-29 | 2014-08-06 | 中船重工（武汉）船舶与海洋工程装备设计有限公司 | Real-time monitoring system for ship |
| CN105353661A (en) * | 2015-12-01 | 2016-02-24 | 镇江港务集团有限公司 | Towboat fuel oil on-line monitoring management system |
| CN106464678A (en) * | 2014-03-10 | 2017-02-22 | 三坦国际软件公司 | Client side device accessing data during communication disruptions |
| CN107172144A (en) * | 2017-05-12 | 2017-09-15 | 山东海诺港务有限公司 | A kind of ship automatic identification system based on mobile network |
| CN206819532U (en) * | 2017-04-19 | 2017-12-29 | 江苏科技大学 | A kind of long-range monitoring and controlling system for engine room based on radio network technique |
| CN108924119A (en) * | 2018-06-28 | 2018-11-30 | 中国船舶重工集团公司第七0七研究所 | A kind of ship-bank-ship situation information interactive system |
| CN109379323A (en) * | 2018-08-16 | 2019-02-22 | 京信通信系统（中国）有限公司 | Ship connected network communication method, apparatus, system and storage medium |
| CN109905444A (en) * | 2017-12-11 | 2019-06-18 | 触信（厦门）智能科技有限公司 | A kind of train local area network automatic push method |
-
2019
- 2019-11-14 CN CN201911110822.4A patent/CN110825761B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6234085A (en) * | 1985-08-07 | 1987-02-14 | Shipbuild Res Assoc Japan | Apparatus for displaying information of marine chart |
| CN102449628A (en) * | 2009-04-03 | 2012-05-09 | 谷歌公司 | Architectural pattern for persistent web application design |
| CN102510473A (en) * | 2011-10-12 | 2012-06-20 | 深圳职业技术学院 | Ship-shore data communication system based on 3G wireless network |
| CN102636167A (en) * | 2012-04-28 | 2012-08-15 | 大连海事大学 | Browser-based marine navigation system |
| CN103455624A (en) * | 2013-09-16 | 2013-12-18 | 湖北文理学院 | Implement method of lightweight-class global multi-dimensional remote-sensing image network map service |
| CN106464678A (en) * | 2014-03-10 | 2017-02-22 | 三坦国际软件公司 | Client side device accessing data during communication disruptions |
| CN103971542A (en) * | 2014-04-29 | 2014-08-06 | 中船重工（武汉）船舶与海洋工程装备设计有限公司 | Real-time monitoring system for ship |
| CN105353661A (en) * | 2015-12-01 | 2016-02-24 | 镇江港务集团有限公司 | Towboat fuel oil on-line monitoring management system |
| CN206819532U (en) * | 2017-04-19 | 2017-12-29 | 江苏科技大学 | A kind of long-range monitoring and controlling system for engine room based on radio network technique |
| CN107172144A (en) * | 2017-05-12 | 2017-09-15 | 山东海诺港务有限公司 | A kind of ship automatic identification system based on mobile network |
| CN109905444A (en) * | 2017-12-11 | 2019-06-18 | 触信（厦门）智能科技有限公司 | A kind of train local area network automatic push method |
| CN108924119A (en) * | 2018-06-28 | 2018-11-30 | 中国船舶重工集团公司第七0七研究所 | A kind of ship-bank-ship situation information interactive system |
| CN109379323A (en) * | 2018-08-16 | 2019-02-22 | 京信通信系统（中国）有限公司 | Ship connected network communication method, apparatus, system and storage medium |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111290392A (en) * | 2020-02-29 | 2020-06-16 | 长江三峡通航管理局 | System and method for controlling formation and cooperative stop of ship passing through gate |
| CN111290392B (en) * | 2020-02-29 | 2020-11-06 | 长江三峡通航管理局 | System and method for controlling formation and cooperative stop of ship passing through gate |
| CN113407621A (en) * | 2021-05-14 | 2021-09-17 | 福建瑶光智能科技有限公司 | Method, device and medium for synchronizing chart data of terminal equipment and server |
| CN116860899A (en) * | 2023-05-18 | 2023-10-10 | 广州海宁海务技术咨询有限公司 | Updating method of ship inventory chart data |
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