CN106383881A - Navigation secondary development control system based on cross-platform graphic middleware - Google Patents
Navigation secondary development control system based on cross-platform graphic middleware Download PDFInfo
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- 238000011161 development Methods 0.000 title claims abstract description 26
- 238000009877 rendering Methods 0.000 claims abstract description 16
- 230000006978 adaptation Effects 0.000 claims abstract description 14
- 238000007405 data analysis Methods 0.000 claims abstract description 11
- 230000010354 integration Effects 0.000 claims abstract description 10
- 230000000007 visual effect Effects 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 claims abstract description 4
- 238000007726 management method Methods 0.000 claims description 18
- 238000004458 analytical method Methods 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 238000012800 visualization Methods 0.000 claims description 5
- 241001269238 Data Species 0.000 claims description 3
- 238000013459 approach Methods 0.000 claims description 3
- 238000013523 data management Methods 0.000 claims description 3
- 230000010365 information processing Effects 0.000 claims description 3
- 230000003993 interaction Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 230000006870 function Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000013439 planning Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/29—Geographical information databases
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/20—Software design
- G06F8/22—Procedural
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- G—PHYSICS
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
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- G06F8/38—Creation or generation of source code for implementing user interfaces
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Abstract
The invention provides a navigation secondary development control system based on cross-platform graphic middleware, which comprises a system resource adaptation module, an application integration framework module, a map rendering engine module, a spatial data analysis module and a user interaction control module; the system resource adaptation module is used for shielding the difference of the multi-terminal platform in software and hardware resources and providing core system resources depended by the operation support environment; the application integration framework module is used for supporting the installation and the operation of the terminal application; the map rendering engine module is used for visually outputting a map; and the spatial data analysis module is used for responding to the operation of a user, realizing the stacking order and visibility of the management layers and providing a visual graphical interface. The map rendering engine has multiple concurrency and high performance, supports multiple data formats, supports data format expansion, can quickly construct navigation and map application, has perfect application management and function custom configuration, and is convenient for secondary development of a system.
Description
Technical field
The present invention relates to Information System Software technical field, in particular it relates to a kind of be based in the middle of cross-platform figure
The navigation secondary development control object system of part.
Background technology
Map of navigation electronic application based on second generation satellite navigation system, faces that navigation Service demand difference is big, service
The problems such as variation, terminal are complicated various, lacks the navigation second development interface of seriation it is impossible to apply system for embedded navigation
System provides secondary development to support it is impossible to simultaneously compatible multiple Embedded Hardware Platforms, operating system and development language and environment.This
Control interface provided in invention includes information inquiry under embedded environment, digital independent, map denotation, map manipulate,
Pel Overlapping display, path planning, automatically guiding, analytical calculation and multidate information process etc., support cross-platform figure middleware
Navigation secondary development.
Content of the invention
For defect of the prior art, it is an object of the invention to provide a kind of navigation based on cross-platform figure middleware
Secondary development control object system.
The navigation secondary development control object system based on cross-platform figure middleware being provided according to the present invention, including system money
Source adaptation module, application integration frame module, map rendering engine module, spatial data analysis module and user mutual control
Module；Wherein：
Described system resource adaptation module, for shielding otherness on software and hardware resources for the multiple terminals platform, provides fortune
The core system resources that row back-up environment is relied on；
Described application integration frame module, for supporting installation, the operation of terminal applies, including application management data pipe
Reason；
Described map rendering engine module, for map is carried out visualization output, and renders to specified element,
The rendering style can configure, and described element includes：Point, line, surface, line chart, face figure, text, the pattern rendering supports different data
Form, and support Dynamic Geographic information processing, multiple key elements show and mark and draw；
Described spatial data analysis module, for responding the operation of user, including：The roaming of map and zoom operations, real
The now mark, the object prompting that stack order and observability, control whether to show specific figure layer of management figure layer, and by business
Flow process has been encapsulated in control, provides visual graphical interfaces, externally provides second development interface.
Preferably, described system resource adaptation module includes：Satellite communication interface module, input interface module, figure are used
Family interface module and operating system module；Wherein：
Described satellite communication interface module, for reception and resolve satellite；
Described input interface module, for receiving touch-screen, the input data of keyboard；
Described graphical user interface module, for organizing user interface and output display；
Described operating system module, for adapting operation system resource, including file system, memory management, task scheduling.
Preferably, described spatial data analysis module includes：Keyword query module, guidance path computing module and ground
Conformal analysis module；Wherein：
Described keyword query module, for according to the specific geographic element of keyword query；
Described guidance path computing module, for obtaining meeting user's plan according to starting point, approach point and endpoint information
Routing information slightly；
Described terrain analysis module, for calculating various terrain datas, including：Distance, area, azimuth, angle, slope
Degree.
Preferably, described user mutual control module includes：Map denotation control, navigation controls, covering control, refer to north
Pin control, engineer's scale control and scaling bar control, wherein：
Described map denotation control, for the display of map tile, responds map operation；
Described navigation controls, for navigation hint presentation of information, Navigation Control；
Described covering control, for show map covering, described covering includes：Dynamic Geographic information, marks and draws；
Described compass control, for show map direct north；
Described engineer's scale control, for showing current map engineer's scale size；
Described scaling bar control, for controlling map to scale.
Preferably, described system resource adaptation module is used for for adaption system input being converted to incoming event, and is adapted to aobvious
Show that interface carries out the visualization output of data, adapting operation system resource provides unified calling interface.
Preferably, the described application management in application integration frame module is used for providing operation control, the version of navigation application
This management and synchronized update service；Data management is used for providing the download of navigation map data, and synchronized update data gathers
Service.
Compared with prior art, the present invention has following beneficial effect：
1st, the present invention is based on cross-platform figure middleware, and the navigation application of generation can run on multiple terminal platform, including：
Windows, wince, linux, android, ios, qt, gtk.
2nd, the present invention possesses how concurrent, high performance map rendering engine, supports multiple data forms, supports data form
Extension.
3rd, the system of the present invention has abundant navigation and Map OCX storehouse, for rapid build navigation and map application,
Support the secondary development of control.
4th, the navigation secondary development control object system interface based on cross-platform figure middleware that the present invention provides is attractive in appearance, operation
Simply, and using cross-platform graph technology build superior Consumer's Experience, possess efficient map rendering capability and powerful many
Dimension space-time analysis function.
5th, the present invention provides abundant control collection, can be with rapid build kinds of platform, the navigation application of different demands, and has
There are perfect application management and function user-defined configuration.
Brief description
The detailed description with reference to the following drawings, non-limiting example made by reading, the further feature of the present invention,
Objects and advantages will become more apparent upon：
Fig. 1 illustrates for the navigation secondary development control object system architecture based on cross-platform figure middleware that the present invention provides
Figure.
Specific embodiment
With reference to specific embodiment, the present invention is described in detail.Following examples will be helpful to the technology of this area
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill to this area
For personnel, without departing from the inventive concept of the premise, some changes and improvements can also be made.These broadly fall into the present invention
Protection domain.
The navigation secondary development control object system based on cross-platform figure middleware being provided according to the present invention, including：System
Resource adaptation module, application integration frame module, map rendering engine module, spatial data analysis module and user mutual control
Part module；Wherein：
Described system resource adaptation module, for shielding otherness on software and hardware resources for the multiple terminals platform, provides fortune
The core system resources that row back-up environment is relied on；
Specifically, input and be converted to incoming event including adaption system, adaptation display interface simultaneously carries out the visual of data
Change output, adapting operation system resource simultaneously provides unified calling interface；
Described application integration frame module, for supporting installation, the operation of terminal applies, including application management data pipe
Reason；Described application management provides operation control, version management and the synchronized update of navigation application；Data management provides navigation ground
The download of diagram data, synchronized update data gathers；
Described map rendering engine module, for map is carried out visualization output, and renders to specified element,
The rendering style can configure, and described element includes：Point, line, surface, line chart, face figure, text, the pattern rendering supports different data
Form, and support Dynamic Geographic information processing, multiple key elements show and mark and draw；
Described spatial data analysis module, for responding the operation of user, including：The roaming of map and zoom operations, real
The now mark, the object prompting that stack order and observability, control whether to show specific figure layer of management figure layer, and by business
Flow process has been encapsulated in control, provides visual graphical interfaces, externally provides second development interface, improves the reuse of control
Property, simplify the exploitation of navigation application.
Described system resource adaptation module includes：Satellite communication interface module, input interface module, graphic user interface mould
Block and operating system module；Wherein：
Described satellite communication interface module, for reception and resolve satellite；
Described input interface module, for receiving touch-screen, the input data of keyboard；
Described graphical user interface module, for organizing user interface and output display；
Described operating system module, for adapting operation system resource, including file system, memory management, task scheduling.
Described spatial data analysis module includes：Keyword query module, guidance path computing module and terrain analysis
Module；Wherein：
Described keyword query module, for according to the specific geographic element of keyword query；
Described guidance path computing module, for obtaining meeting user's plan according to starting point, approach point and endpoint information
Routing information slightly；
Described terrain analysis module, for calculating various terrain datas, including：Distance, area, azimuth, angle, slope
Degree.
Described user mutual control module includes：Map denotation control, navigation controls, covering control, compass control,
Engineer's scale control and scaling bar control, wherein：
Described map denotation control, for the display of map tile, responds map operation；
Described navigation controls, for navigation hint presentation of information, Navigation Control；
Described covering control, for show map covering, described covering includes：Dynamic Geographic information, marks and draws；
Described compass control, for show map direct north；
Described engineer's scale control, for showing current map engineer's scale size；
Described scaling bar control, for controlling map to scale.
Do with reference to the system that specific embodiment provides to the present invention and carry out a ground explanation.
Embodiment 1
For effectively compatible each platform application environment, realize a kind of cross-platform figure shows framework, this framework has height
Performance, easily extension, configurable characteristic, it is possible to provide the consistent interface performance of user, adopt stratification, mould in the design of system
Block thought；
1) display to equipment and input characteristics operation are provided upwards by abstract display device and input equipment.
2) external resource needed for integrated graphics framework, such as font, sub-picture decoder, input method, event channel, 2d figure
Engine etc..These assemblies are that upper strata provides unified resource interface, have isolated concrete implementation details, from the system that improves can
Transplantability and flexibility.Such as sub-picture decoder and font engine can be configured according to actual conditions.
3) critical component of figure shows middleware, can be divided into window, window manager, incident management according to function
The core components such as device, Subject Manager, G context.Because graphics frame adopts event driven mode, therefore incident management
Device is the soul of whole framework, contacted by the various pieces assembly of framework, by the interactive information between event bearing assembly.
4) realizing user a series of can the basic control collection of cutting, control be encapsulation based on window it is easy to extension.Control
Including button, label, edit box, menu, list, progress bar etc..
Figure shows flow process is as follows：
1) user operation, the primary graphics system of terminal captures user input；
2) Action Events incoming figure shows framework, completes form conversion by event transformer；
3) the incoming top-level windows of event after changing, are completed the distribution step by step of event by window manager；
4) event is incoming excites the registered events of control to target widget, completes the process of event；
5) window belonging to target widget notice excites more new technological process；
6) control updates the region needing to refresh step by step；
7) complete to show the refreshing of level of abstraction；
8) graphics frame enters resting state, waits next event.
Embodiment 2
Basic map and navigation operating process is encapsulated, user can be used directly digital map navigation control in digital map navigation control
Part, to build navigation application, to improve the development efficiency of application with this.Navigation controls inherit basis in figure shows middleware
The characteristic of control：
1) navigation common controls based on control extension, the graphical interfaces in basic control be user mutual entrance,
In order to capture user input.
2) terminal use triggers specific operation flow by interface operation, and the result of operation flow passes through interface exhibition
Now give user.The concrete execution of the specific function that operation flow is realized by this navigation controls.
3) data access needed for operation flow includes the access to navigation Service, local navigation map file and marks and draws literary composition
The reading of the data such as part.
4) control entity saves the status information of control itself.Can be configured by the setting of configuration file or property value
Or the state of change control, provide open second development interface for the exploitation of navigation application.
Above the specific embodiment of the present invention is described.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make a variety of changes within the scope of the claims or change, this not shadow
Ring the flesh and blood of the present invention.In the case of not conflicting, feature in embodiments herein and embodiment can any phase
Mutually combine.
Claims (6)
1. a kind of navigation secondary development control object system based on cross-platform figure middleware is it is characterised in that include system resource
Adaptation module, application integration frame module, map rendering engine module, spatial data analysis module and user mutual control mould
Block；Wherein：
Described system resource adaptation module, for shielding otherness on software and hardware resources for the multiple terminals platform, provides operation
The core system resources that pushing out ring border is relied on；
Described application integration frame module, for supporting installation, the operation of terminal applies, including the management of application management data；
Described map rendering engine module, for map is carried out visualization output, and renders to specified element, renders
Pattern can configure, and described element includes：Point, line, surface, line chart, face figure, text, the pattern rendering supports different data forms,
And support Dynamic Geographic information processing, multiple key elements show and mark and draw；
Described spatial data analysis module, for responding the operation of user, including：The roaming of map and zoom operations, realize pipe
The mark, the object prompting that stack order and observability, control whether to show specific figure layer of reason figure layer, and by operation flow
It has been encapsulated in control, visual graphical interfaces is provided, second development interface is externally provided.
2. the navigation secondary development control object system based on cross-platform figure middleware according to claim 1, its feature exists
In described system resource adaptation module includes：Satellite communication interface module, input interface module, graphical user interface module with
And operating system module；Wherein：
Described satellite communication interface module, for reception and resolve satellite；
Described input interface module, for receiving touch-screen, the input data of keyboard；
Described graphical user interface module, for organizing user interface and output display；
Described operating system module, for adapting operation system resource, including file system, memory management, task scheduling.
3. the navigation secondary development control object system based on cross-platform figure middleware according to claim 1, its feature exists
In described spatial data analysis module includes：Keyword query module, guidance path computing module and terrain analysis module；
Wherein：
Described keyword query module, for according to the specific geographic element of keyword query；
Described guidance path computing module, for obtaining meeting subscriber policy according to starting point, approach point and endpoint information
Routing information；
Described terrain analysis module, for calculating various terrain datas, including：Distance, area, azimuth, angle, the gradient.
4. the navigation secondary development control object system based on cross-platform figure middleware according to claim 1, its feature exists
In described user mutual control module includes：Map denotation control, navigation controls, covering control, compass control, ratio
Chi control and scaling bar control, wherein：
Described map denotation control, for the display of map tile, responds map operation；
Described navigation controls, for navigation hint presentation of information, Navigation Control；
Described covering control, for show map covering, described covering includes：Dynamic Geographic information, marks and draws；
Described compass control, for show map direct north；
Described engineer's scale control, for showing current map engineer's scale size；
Described scaling bar control, for controlling map to scale.
5. the navigation secondary development control object system based on cross-platform figure middleware according to claim 2, its feature exists
It is used for for adaption system input being converted to incoming event in, described system resource adaptation module, and is adapted to display interface and enter line number
According to visualization output, adapting operation system resource provides unified calling interface.
6. the navigation secondary development control object system based on cross-platform figure middleware according to claim 1, its feature exists
In, the described application management in application integration frame module be used for providing the operation control of navigation application, version management and with
Step more new demand servicing；Data management is used for providing the download of navigation map data, the collection service of synchronized update data.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108281199A (en) * | 2018-02-27 | 2018-07-13 | 中国科学院地理科学与资源研究所 | Happen suddenly biohazard incident visualization intelligent decision support platform |
| CN110083671A (en) * | 2019-03-30 | 2019-08-02 | 广州锐敏信息科技有限公司 | A kind of WebGIS system of configurableization management |
| CN111127608A (en) * | 2018-10-31 | 2020-05-08 | 百度在线网络技术（北京）有限公司 | Rendering method, device and storage medium |
| CN111209356A (en) * | 2019-11-18 | 2020-05-29 | 广州南方卫星导航仪器有限公司 | Cross-platform vector map element symbol rendering method and device based on QGIS |
| CN112381501A (en) * | 2020-11-05 | 2021-02-19 | 上海汇付数据服务有限公司 | Product operation platform system |
| CN113206910A (en) * | 2021-05-07 | 2021-08-03 | 山东大学 | Hierarchical visual interaction system and method based on deformed Voronoi tree diagram |
| CN116521146B (en) * | 2023-04-24 | 2024-02-06 | 北京龙软科技股份有限公司 | Secondary development system of cloud GIS platform |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108281199A (en) * | 2018-02-27 | 2018-07-13 | 中国科学院地理科学与资源研究所 | Happen suddenly biohazard incident visualization intelligent decision support platform |
| CN111127608A (en) * | 2018-10-31 | 2020-05-08 | 百度在线网络技术（北京）有限公司 | Rendering method, device and storage medium |
| CN111127608B (en) * | 2018-10-31 | 2024-04-19 | 百度在线网络技术（北京）有限公司 | Rendering method, rendering device and storage medium |
| CN110083671A (en) * | 2019-03-30 | 2019-08-02 | 广州锐敏信息科技有限公司 | A kind of WebGIS system of configurableization management |
| CN111209356A (en) * | 2019-11-18 | 2020-05-29 | 广州南方卫星导航仪器有限公司 | Cross-platform vector map element symbol rendering method and device based on QGIS |
| CN112381501A (en) * | 2020-11-05 | 2021-02-19 | 上海汇付数据服务有限公司 | Product operation platform system |
| CN113206910A (en) * | 2021-05-07 | 2021-08-03 | 山东大学 | Hierarchical visual interaction system and method based on deformed Voronoi tree diagram |
| CN113206910B (en) * | 2021-05-07 | 2022-02-01 | 山东大学 | Hierarchical visual interaction system, method, equipment and medium |
| CN116521146B (en) * | 2023-04-24 | 2024-02-06 | 北京龙软科技股份有限公司 | Secondary development system of cloud GIS platform |
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Application publication date: 20170208 |