CN1979477A - Image displaying system for mobile device - Google Patents
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- CN1979477A CN1979477A CN 200510128974 CN200510128974A CN1979477A CN 1979477 A CN1979477 A CN 1979477A CN 200510128974 CN200510128974 CN 200510128974 CN 200510128974 A CN200510128974 A CN 200510128974A CN 1979477 A CN1979477 A CN 1979477A
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Abstract
The invention is an image display system for mobile devices, especially an image display system for PDA (Personal Digital Assistant). And it comprises an image information module to store graphic data of graphic layers; an image information inquiring module to provide a complete graphic layer-related information inquiring function; a graphic layer management module to manage access operation on all graphic layer data; a drawing module to draw and display the graphic data; a global positioning system (GPS) system to provide attribute data related with coordinates of positions; and an image control module, an image component control center to provide user-end access interface. And it has advantages of short development time, low cost, and easy maintenance.
Description
Technical field
The present invention relates to be used for the image display system of mobile device, relate in particular to a kind of image display system that is used in personal digital assistant (PDA-Personal Digital Assistant).
Background technology
Along with the progress of information electronics technology and mechanics of communication, various advanced persons' electronic product produces successively, and computing machine develops into personal computer (PC) from the early stage vacuum tube epoch that fill up whole room, evolves to notebook (Notebook) again.Simultaneously,, and driven the generation of various mobile devices, included notebook (Notebook), PDA(Personal Digital Assistant) and mobile phone (Cell Phone) or the like also because wireless communication technique and the Internet flourish.
Geographic Information System (GIS--Geographic Information System) is the information operation system that a cover can integrated various geodatas, its framework is that the complete geographical data bank of a cover is arranged, and has various functions such as data extract, editor, renewal, storage, inquiry, processing, analysis and demonstration.Can be divided into spatial data and attribute data simply with regard to the data that geographical infosystem comprised, so-called spatial data is exactly the data relevant with the geographic position, generally be to represent in the mode of coordinate, as the horizontal Mercator coordinate of the latitude and longitude coordinates and the world, the data that attribute data then is and the geographic position is irrelevant are as street name, sewerage system, rivers and creeks title, rivers and creeks length, place name, address and everyone or the like.The geographic position and the various attribute that are had by spatial data and attribute data can be combined into a Geographic Information System, and functions such as data extract, editor, renewal, storage, inquiry, processing, analysis and demonstration are provided.
Global Positioning System (GPS) (GPS--Global Positioning System) utilizes Navsat to carry out geodetic and range finding, can provide global, round-the-clock, the three-dimensional space, three-dimensional velocity, continuous and real-time hi-Fix and navigation information, can be applicable to construction survey, disaster monitoring, mapping, resource is prospected, land development, Intelligent Transportation System, categories such as ships location navigation and the reformation of GIS figure layer, at any time, any place good to empty communication, only need to receive the signal that satellite was sent with the satellite receiving instrument, accurately meter is calculated the position of site, time and translational speed.
And because PDA(Personal Digital Assistant) has the advantage of small volume and less weight, the function that possesses accurate PC simultaneously, business datum and system transplantation can be operated to PDA is last, to carry out the usefulness of business as the mobile office chamber, collocation GPS module also possesses positioning function, therefore the application day that with PDA is platform is more deep and broad, as auto-navigation system, road inspection system or the like various application.In these are used, often need to show relevant figure, as various electronic charts, when but these are used in development in the past, on image shows, need to develop again the display system of image at various application, its work is consuming time, cost is higher and the figure dullness of demonstration.
The inventor innovates and carried out improving, and then improves above-mentioned shortcoming in view of the shortcoming of prior art.
Summary of the invention
Purpose of the present invention mainly provides a kind of image display system that is used for mobile device, refer in particular to a kind of image display system that is used in personal digital assistant (PDA-Personal Digital Assistant), with modular design, a kind of image display system is provided, can in the shortest time, develop the various images that are applied to personal digital assistant and show, as the on-the-spot inspection system of hillside landform, Sewage System inspection system, factory inspection login system violating the regulations etc.The image display system that the present invention is used for mobile device have the development time short, cost is low, the advantage of easy maintenance.
In order to reach above-mentioned purpose, the image display system that the present invention is used for mobile device includes an image information module, in order to the graph data of storage map layer; One image information enquiry module is in order to provide the complete query function to figure layer relevant information; One layer management module is in order to manage all figure layer data accessing operations; One graphics module shows in order to the graph data drawing that will scheme layer; One Global Positioning System (GPS) module is in order to provide the attribute data relevant with the coordinate of position; And an image control module, be the control center of image component, in order to being provided, the user holds the interface of visit.
The above-mentioned image display system that is used for mobile device, wherein this image information module also includes a store graphics data device, in order to store graphics data; And a figure layer operation interface arrangement, in order to the interface of figure layer operation to be provided.
The above-mentioned image display system that is used for mobile device, wherein this store graphics data device also includes a graphics vector data device, in order to deposit the vector data of figure point-line-surface; One storage vector data indexing unit in order to deposit the index of this vector data, can be obtained the displaced position of this vector data in this graphics vector data device by this index; And a graphics attribute data device, in order to deposit the attribute of graph data.
The above-mentioned image display system that is used for mobile device, wherein this figure layer operation interface arrangement also includes a figure vector data access interface device, in order to the interface of figure vector data access to be provided; One vector data indexed access interface arrangement is in order to provide the interface of figure vector data indexed access; And a graphic attribute data access arrangement, in order to the interface of graphic attribute data access to be provided.
The above-mentioned image display system that is used for mobile device, wherein this graphic attribute data access arrangement is an attribute basic operation device.
The above-mentioned image display system that is used for mobile device, wherein this graphic attribute data access arrangement is the attribute database management functional unit.
The above-mentioned image display system that is used for mobile device, wherein this image information enquiry module also includes position, data query territory device, in order to the field of data query; One obtains and drops on figure bist data device in the setting range, in order to obtain the bist data that drops on figure in the setting range; Whether one inquiry input point position finds graphic data set, whether finds graph data in order to inquiry input point position; One calculates the area of a polygon device, in order to calculate polygonal area; And the polygon line length device of a calculating, in order to calculate the length of polygon line.
The above-mentioned image display system that is used for mobile device, wherein this layer management module also includes: a layer properties setting device, in order to set the layer properties that loads; One control chart layer data accessing operation device is in order to manage the accessing operation of all figure layer data.
The above-mentioned image display system that is used for mobile device, wherein this graphics module is the plotting mode device, in order to plotting mode required when drawing to be provided.
The above-mentioned image display system that is used for mobile device, wherein this image display system is used for personal digital assistant.
By modular design, make system developer can systematic exploitation various application, and make the various systems that are applied on the PDA(Personal Digital Assistant), on the correct and abundant display that is presented on personal digital assistant of figure that can this system is required.
The method that the present invention also provides a kind of foundation to be used for the image display system of mobile device, its step include sets up the image information module, in order to the graph data of storage map layer; Set up the image information enquiry module, in order to the complete query function to figure layer relevant information to be provided; Set up the layer management module, in order to manage all figure layer data accessing operations; Set up graphics module, drawing in order to the graph data that will scheme layer shows; Set up the Global Positioning System (GPS) module, in order to the attribute data relevant with the coordinate of position to be provided; And set up the image control module, it is the control center of image component, holds the interface of visit in order to the user to be provided.
The above-mentioned method that is used for the image display system of mobile device, wherein this step of setting up the image information module also includes, and sets up store graphics data, in order to store graphics data; And set up figure layer operation interface, in order to the interface of figure layer operation to be provided.
The above-mentioned method that is used for the image display system of mobile device, wherein this step of setting up store graphics data also includes, and sets up the graphics vector data, in order to deposit the vector data of figure point-line-surface; Set up storage vector data index,, can obtain the displaced position of this vector data in this graphics vector data device by this index in order to deposit the index of this vector data; And set up the graphics attribute data, in order to deposit the attribute of graph data.
The above-mentioned method that is used for the image display system of mobile device, wherein this step of setting up figure layer operation interface also includes, and sets up figure vector data access interface, in order to the interface of figure vector data access to be provided; Set up vector data indexed access interface, in order to the interface of figure vector data indexed access to be provided; And set up the graphic attribute data access interface, in order to the interface of graphic attribute data access to be provided.
The above-mentioned method that is used for the image display system of mobile device, wherein this to set up the graphic attribute data access interface be the interface of setting up a kind of attribute basic operation.
The above-mentioned method that is used for the image display system of mobile device, wherein this to set up the graphic attribute data access interface be the interface of setting up a kind of attribute database management function.
The above-mentioned method that is used for the image display system of mobile device, wherein this step of setting up the image information enquiry module also includes, and sets up position, data query territory, in order to the field of data query; Foundation obtains and drops on figure bist data in the setting range, in order to obtain the bist data that drops on figure in the setting range; Set up inquiry input point position and whether find graph data, whether find graph data in order to inquiry input point position; Set up and calculate area of a polygon, in order to calculate polygonal area; And set up and calculate polygon line length, in order to calculate the length of polygon line.
The above-mentioned method that is used for the image display system of mobile device, wherein this step of setting up the layer management module also includes, and sets up layer properties and sets, in order to set the attribute of the figure layer that loads; Set up control chart layer data accessing operation, in order to manage the accessing operation of all figure layer data.
The above-mentioned method that is used for the image display system of mobile device, wherein this sets up the foundation that graphics module is a plotting mode, in order to plotting mode required when drawing to be provided.
Description of drawings
Relevant the description of the drawings of the present invention is as follows:
Fig. 1 is used for the synoptic diagram of the image display system of mobile device for the present invention;
Fig. 2 is used for the synoptic diagram of image information module of the image display system of mobile device for the present invention;
Fig. 3 is used for the synoptic diagram of work of layer management module of the image display system of mobile device for the present invention; And
Fig. 4 sets up the process flow diagram of the method for the image display system that is used for mobile device for the present invention.
Description of reference numerals:
10 image information modules
101 figure layer operation interfaces
102 store graphics data groups
103 graphics vector data file
104 storage vector data index files
105 graphics attribute data files
106 figure vector data access interfaces
107 vector data indexed access interfaces
108 graphic attribute data access interfaces
20 image information enquiry modules
30 layer management modules
301 layer properties enactment documents
The interface of 302 control chart layer data accessing operations
40 graphics modules
50 Global Positioning System (GPS) modules
60 image control modules
Embodiment
Please refer to shown in Figure 1ly, be used for the synoptic diagram of the image display system of mobile device for the present invention.The image display system that the present invention is used for mobile device includes an image information module 10, an image information enquiry module 20, a layer management module 30, a graphics module 40, a Global Positioning System (GPS) module 50, and an image control module 60.The application image display system of being developed by image display system of the present invention can be used on the mobile devices such as PDA(Personal Digital Assistant).
Image information module 10 is in order to the graph data of storage map layer, and this image information module 10 includes a store graphics data group 102, in order to store graphics data, and a figure layer operation interface 101, in order to the interface of figure layer operation to be provided.And this store graphics data group 102 includes three files, is a graphics vector data file 103, in order to deposit the vector data of figure point-line-surface; One storage vector data index file 104 in order to deposit the index of this vector data, can be obtained the displaced position of this vector data in this graphics vector data file by this index; And a graphics attribute data file 105, in order to deposit the attribute of graph data.And this figure layer operation interface 101 includes a figure vector data access interface 106, in order to the interface of figure vector data file access to be provided; One vector data indexed access interface 107 is in order to provide the interface of figure vector data index file access; And a graphic attribute data access interface 108, in order to the interface of graphic attribute data file access to be provided.And this graphic attribute data access interface 108 is to can be the interface of attribute data basic operation or for attribute data has the interface of database management function, can determine according to actual demand, please refer to shown in Figure 2.
Image information enquiry module 20 provides the complete query function to a figure layer relevant information, includes the function of position, a data query territory, in order to the field of data query; One obtains the function that drops on figure bist data in the setting range, in order to obtain the bist data that drops on figure in the setting range; Whether one inquiry input point position has the function of finding graph data, whether finds graph data in order to inquiry input point position; One calculates the function of area of a polygon, in order to calculate polygonal area; And the function of the polygon line length of a calculating, in order to calculate the length of polygon line.
This layer management module 30, include a layer properties enactment document 301, in order to set the attribute of the figure layer that loads, can set the attribute of the figure layer of loading, the attribute of engineer's scale scope, archives or memory access mode initialization of include file title, figure layer title, display field, Layer Order, color, transparency, width, display graphics or the like.The interface 302 of one control chart layer data accessing operation, in order to manage the accessing operation of all figure layer data, when initialization, read the enactment document 301 of setting layer properties, all figure layers and attribute thereof are set loading, by it All Layers is managed concentratedly, and hiding actual operation to single figure layer, the synoptic diagram of its effect is as shown in Figure 3.
This graphics module 40 is in order to provide plotting mode required when drawing, can use Windows CEGAME API exploitation plotting mode, utilize direct setting screen display memory to come display graphics, need not draw by traditional Graphics Device Interface (GDI-Graphics Devices Interface).Its advantage is not subjected to the restriction of Graphics Device Interface (GDI) mode for can directly do the efficient control of low order fast, for example can't accomplish transparency, drawing efficiency was too poor or the like when point position was too many.Therefore, this module is the plotting mode that is used for replacing at present traditional Graphics Device Interface (GDI), allow the programmer can directly visit the plotting mode of having developed, simple just as traditional Graphics Device Interface (GDI) mode, also add the special plotting mode of exploitation in addition, finish needed specific function, map is shown can be than quicker in the past, more attractive in appearance.
Global Positioning System (GPS) module 50, in order to the association attributes data of the coordinate of position on electronic chart to be provided, the assembly that belongs to independence, as long as resolve once opening the signal that will extract Global Positioning System (GPS) (GPS) module automatically, the interface that provides by it can be obtained the association attributes data of present place coordinate in real time, and its function has On/Off GPS, spatial domain figure, recording track and coordinate setting etc.
Image control module 60, be the entire image assembly control center, provide the user to hold the interface of visit.For program developer, it is an external interface, and program developer does not need to know the actual operation situation of other assembly in fact.When the user required display graphics, the figure layer data that image control module 60 can require layer management module 30 to obtain need to show visited again graphics module 40 graph data is shown.
The method that the present invention also provides a kind of foundation to be used for the image display system of mobile device, as shown in Figure 4, its step includes:
Set up image information module S100, in order to the graph data of storage map layer; This sets up the step of image information module, also includes to set up the store graphics data file, in order to store graphics data; And set up figure layer operation interface, in order to the interface of figure layer operation to be provided.This sets up the step of store graphics data file, also includes to set up the graphics vector data file, in order to deposit the vector data of figure point-line-surface; Set up storage vector data index file,, can obtain the displaced position of this vector data in this graphics vector data device by this index in order to deposit the index of this vector data; And set up graphics attribute data file, in order to deposit the attribute of graph data.
This sets up the step of figure layer operation interface, also includes to set up figure vector data access interface, in order to the interface of figure vector data file access to be provided; Set up vector data indexed access interface, in order to the interface of figure vector data index file access to be provided; And set up the graphic attribute data access interface, in order to the interface of graphic attribute data file access to be provided.This sets up the graphic attribute data access interface is for setting up a kind of interface with attribute data basic operation, or sets up a kind of interface with attribute data database management function.
Set up image information enquiry module S102, in order to complete query function to figure layer relevant information to be provided; This sets up the step of image information enquiry module, also includes the function of setting up position, data query territory, in order to the field of data query; Foundation obtains the function that drops on figure bist data in the setting range, in order to obtain the bist data that drops on figure in the setting range; Whether have the function of finding graph data, whether find graph data in order to inquiry input point position if setting up inquiry input point position; Set up the function of calculating area of a polygon, in order to calculate polygonal area; And set up the function of calculating polygon line length, in order to calculate the length of polygon line.
Set up layer management module S104, in order to manage all figure layer data accessing operations; This sets up the foundation of layer management module, also includes to set up the layer properties enactment document, in order to set the layer properties that loads; Set up the interface of control chart layer data accessing operation, in order to manage the accessing operation of all figure layer data.
Set up graphics module S106, drawing in order to the graph data that will scheme layer shows that utilize direct setting screen display memory to come display graphics, its advantage is for can directly do the efficient control of low order fast.
Set up Global Positioning System (GPS) module S108, in order to the coordinate association attributes data with the position to be provided.
Setting up image control module S110, is the control center of image component, holds the interface of visit in order to the user to be provided.
Program developer can be by said method, quick and systematicly sets up various application system and this systems that are used on the personal digital assistant and has the advantage of easy maintenance.
The above only is a preferable possible embodiments of the present invention, is not so limits to claim of the present invention, and therefore any those skilled in the art are in the field of the invention, and the variation of being implemented or modify all covered in the scope of patent protection of the present invention.
Claims (19)
1. an image display system that is used for mobile device is characterized in that, comprising:
One image information module is in order to the graph data of storage map layer;
One image information enquiry module is in order to provide the complete query function to figure layer relevant information;
One layer management module is in order to manage all figure layer data accessing operations;
One graphics module shows in order to the graph data drawing that will scheme layer;
One Global Positioning System (GPS) module is in order to provide the attribute data relevant with the coordinate of position; And
One image control module is the control center of image component, holds the interface of visit in order to the user to be provided.
2. the image display system that is used for mobile device as claimed in claim 1 is characterized in that, this image information module also includes:
One store graphics data device is in order to store graphics data; And
One figure layer operation interface arrangement is in order to provide the interface of figure layer operation.
3. the image display system that is used for mobile device as claimed in claim 2 is characterized in that, this store graphics data device also includes:
One graphics vector data device is in order to deposit the vector data of figure point-line-surface;
One storage vector data indexing unit in order to deposit the index of this vector data, can be obtained the displaced position of this vector data in this graphics vector data device by this index; And
One graphics attribute data device is in order to deposit the attribute of graph data.
4. the image display system that is used for mobile device as claimed in claim 2 is characterized in that, this figure layer operation interface arrangement also includes:
One figure vector data access interface device is in order to provide the interface of figure vector data access;
One vector data indexed access interface arrangement is in order to provide the interface of figure vector data indexed access; And
One graphic attribute data access arrangement is in order to provide the interface of graphic attribute data access.
5. the image display system that is used for mobile device as claimed in claim 4 is characterized in that: this graphic attribute data access arrangement is an attribute basic operation device.
6. the image display system that is used for mobile device as claimed in claim 4 is characterized in that: this graphic attribute data access arrangement is the attribute database management functional unit.
7. the image display system that is used for mobile device as claimed in claim 1 is characterized in that, this image information enquiry module also includes:
Position, one data query territory device is in order to the field of data query;
One obtains and drops on figure bist data device in the setting range, in order to obtain the bist data that drops on figure in the setting range;
Whether one inquiry input point position finds graphic data set, whether finds graph data in order to inquiry input point position;
One calculates the area of a polygon device, in order to calculate polygonal area; And
One calculates polygon line length device, in order to calculate the length of polygon line.
8. the image display system that is used for mobile device as claimed in claim 1 is characterized in that, this layer management module also includes:
One layer properties setting device is in order to set the layer properties that loads;
One control chart layer data accessing operation device is in order to manage the accessing operation of all figure layer data.
9. the image display system that is used for mobile device as claimed in claim 1 is characterized in that: this graphics module is the plotting mode device, in order to plotting mode required when drawing to be provided.
10. the image display system that is used for mobile device as claimed in claim 1 is characterized in that: this image display system is used for personal digital assistant.
11. a foundation is used for the method for the image display system of mobile device, it is characterized in that, its step includes:
Set up the image information module, in order to the graph data of storage map layer;
Set up the image information enquiry module, in order to the complete query function to figure layer relevant information to be provided;
Set up the layer management module, in order to manage all figure layer data accessing operations;
Set up graphics module, drawing in order to the graph data that will scheme layer shows;
Set up the Global Positioning System (GPS) module, in order to the attribute data relevant with the coordinate of position to be provided; And
Set up the image control module, it is the control center of image component, holds the interface of visit in order to the user to be provided.
12. the method that is used for the image display system of mobile device as claimed in claim 11 is characterized in that, this step of setting up the image information module also includes:
Set up store graphics data, in order to store graphics data; And
Set up figure layer operation interface, in order to the interface of figure layer operation to be provided.
13. the method that is used for the image display system of mobile device as claimed in claim 12 is characterized in that, this step of setting up store graphics data also includes:
Set up the graphics vector data, in order to deposit the vector data of figure point-line-surface;
Set up storage vector data index,, can obtain the displaced position of this vector data in this graphics vector data device by this index in order to deposit the index of this vector data; And
Set up the graphics attribute data, in order to deposit the attribute of graph data.
14. the method that is used for the image display system of mobile device as claimed in claim 12 is characterized in that, this step of setting up figure layer operation interface also includes:
Set up figure vector data access interface, in order to the interface of figure vector data access to be provided;
Set up vector data indexed access interface, in order to the interface of figure vector data indexed access to be provided; And
Set up the graphic attribute data access interface, in order to the interface of graphic attribute data access to be provided.
15. the method that is used for the image display system of mobile device as claimed in claim 14 is characterized in that: this sets up the graphic attribute data access interface is the interface of setting up a kind of attribute basic operation.
16. the method that is used for the image display system of mobile device as claimed in claim 14 is characterized in that: this sets up the graphic attribute data access interface is the interface of setting up a kind of attribute database management function.
17. the method that is used for the image display system of mobile device as claimed in claim 11 is characterized in that, this step of setting up the image information enquiry module also includes:
Set up position, data query territory, in order to the field of data query;
Foundation obtains and drops on figure bist data in the setting range, in order to obtain the bist data that drops on figure in the setting range;
Set up inquiry input point position and whether find graph data, whether find graph data in order to inquiry input point position;
Set up and calculate area of a polygon, in order to calculate polygonal area; And
Set up and calculate polygon line length, in order to calculate the length of polygon line.
18. the method that is used for the image display system of mobile device as claimed in claim 11 is characterized in that, this step of setting up the layer management module also includes:
Set up layer properties and set, in order to set the attribute of the figure layer that loads;
Set up control chart layer data accessing operation, in order to manage the accessing operation of all figure layer data.
19. the method that is used for the image display system of mobile device as claimed in claim 11 is characterized in that: this sets up the foundation that graphics module is a plotting mode, in order to plotting mode required when drawing to be provided.
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| CN 200510128974 CN1979477A (en) | 2005-12-02 | 2005-12-02 | Image displaying system for mobile device |
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| CN 200510128974 CN1979477A (en) | 2005-12-02 | 2005-12-02 | Image displaying system for mobile device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI497332B (en) * | 2014-06-30 | 2015-08-21 | Chien Chin Huang | A program,a method and a method of teaching for GDSII graphics programming related to the crop circle pattern reconstruction |
| CN109931933A (en) * | 2017-12-15 | 2019-06-25 | 中国航空工业集团公司成都飞机设计研究所 | Mission planning and navigation method for drafting based on GIS platform |
-
2005
- 2005-12-02 CN CN 200510128974 patent/CN1979477A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI497332B (en) * | 2014-06-30 | 2015-08-21 | Chien Chin Huang | A program,a method and a method of teaching for GDSII graphics programming related to the crop circle pattern reconstruction |
| CN109931933A (en) * | 2017-12-15 | 2019-06-25 | 中国航空工业集团公司成都飞机设计研究所 | Mission planning and navigation method for drafting based on GIS platform |
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