CN102982722A - Electronic map device capable of displaying vector map and raster map alternately - Google Patents
Electronic map device capable of displaying vector map and raster map alternately Download PDFInfo
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- CN102982722A CN102982722A CN201210524172XA CN201210524172A CN102982722A CN 102982722 A CN102982722 A CN 102982722A CN 201210524172X A CN201210524172X A CN 201210524172XA CN 201210524172 A CN201210524172 A CN 201210524172A CN 102982722 A CN102982722 A CN 102982722A
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Abstract
The invention relates to an electronic map device, in particular to an electronic map device capable of displaying a vector map and a raster map alternately. The electronic map device comprises a vector map module used for storing data, a raster map module used for storing data, a coordinate converter module used for performing longitude and latitude addition of the raster map, a control module used for controlling work of a processing module, a processing module used for processing data, and a display module used for displaying data transmitted by the processing module. The electronic map device disclosed by the invention realizes multiplex functions of two maps, can switch the display interfaces of the two maps rapidly according to the instructions of the control module, has small view difference, realizes seamless connection, produces quite powerful contrast effect, and is simple and convenient to use.
Description
Technical field
The present invention relates to electronic map device, say in detail it is a kind ofly can switch fast display interface, visual field difference is little, realizes seamless connection, but the electronic map device of map vector easy to use and grating map Alternation Display.
Background technology
The application of electronic chart is very extensive, and the fields such as ocean, meteorology, the hydrology, geology, soil utilization, geophysics, aerospace, mapping, exploration and GPS location tracking all need electronic chart.Electronic chart is according to the difference of data structure, mainly be divided into two kinds of Vector Electronic Map and grid electron maps, these two kinds of electronic map devices comprise map file memory module, processing module, display module and control module, the map file memory module is used for storage map vector data or grating map data, the map datum that processing module is used for transferring in the map file memory module shows it at display module, control module be used for the control processing module to map amplify, dwindle, the operation such as translation.These two kinds of electronic map devices respectively have relative merits, during more detailed map, use grating map relatively to have superiority in the needs whole nation, and the grating map resource is abundanter on the network, does not need to make Vector Electronic Map again.When needing the electronic chart of special region, use map vector relatively to have superiority, we can make Vector Electronic Map according to real needs.Can realize the electronic chart that map vector and grating map use simultaneously at present, all be to show respectively map vector and grating map at different interfaces, is difficult to produce contrast effect, poor visual effect; Need respectively control in the use procedure, troublesome poeration.
Summary of the invention
The objective of the invention is to solve above-mentioned the deficiencies in the prior art, provide a kind of and can switch fast display interface, visual field difference is little, realizes seamless connection, but the electronic map device of map vector easy to use and grating map Alternation Display.
The present invention solves the technical scheme that above-mentioned the deficiencies in the prior art adopt:
But the electronic map device of a kind of map vector and grating map Alternation Display is characterized in that comprising map vector module, grating map module, coordinate transferring, processing module, control module and display module, wherein,
Described map vector module is used for the storage map vector data;
Described grating map module is used for storage grating map data;
Described coordinate transferring is additional for the longitude and latitude of finishing grating map, makes grating map produce latitude and longitude information;
Described control module is used for the control processing module and transfers map vector module or the interior map datum of grating map module, it is processed and is input to display module show;
Described processing module is used for map vector and grating map is complementary, latitude and longitude information according to the two is adjusted its position, ratio, make central point and the field range of its displaying consistent, according to the instruction of control module transfer, deal with data, then input display module and show;
Described display module is used for the data that the transmission of Graphics Processing module comes.
The present invention also comprises the map distance-measurement module, and the map distance-measurement module is used to map that the range finding instrument is provided.
Processing module described in the present invention is provided with the Data Update interface.Be used for upgrading the map datum in map vector module and the grating map module.
The present invention in use can pass through the control module input signal, and processing module is transferred, related data in processing vector ground module or the grating map module, realizes multiplexing function; Also can transfer simultaneously the two relevant data, according to latitude and longitude information its position, ratio are adjusted, make central point and the field range of its displaying consistent, switch fast the display interface of two kinds of maps according to the instruction of control module, visual field difference is little, realize seamless connection, produce stronger contrast effect, easy to use.
Description of drawings
Fig. 1 is structural representation of the present invention.
Embodiment
But the electronic map device of map vector as shown in the figure and grating map Alternation Display comprises map vector module 1, grating map module 7, coordinate transferring 6, processing module 3, control module 4 and display module 5, wherein,
Described map vector module 1 is used for the storage map vector data;
7 of described grating map moulds are used for storage grating map data;
Described coordinate transferring 6 is additional for the longitude and latitude of finishing grating map, makes grating map produce latitude and longitude information;
Described control module 4 is used for the control processing module and transfers map vector module or the interior map datum of grating map module, it is processed and is input to display module show;
Described processing module 3 is used for carrying out that the instruction of control module is transferred, the data of processing vector map and grating map, it is complementary, latitude and longitude information according to the two is adjusted its position, ratio, makes the central point of its displaying and field range consistent, then inputs display module and shows; Process and also to comprise according to the instruction of the control module selection to the map display type, map amplifies, dwindles, translation etc.Microprocessor module is provided with the Data Update interface, is used for upgrading the map datum in map vector module and the grating map module.
Described display module 5 is used for the data that the transmission of demonstration microprocessor module comes.
This electronic map device also comprises map distance-measurement module 2, and the map distance-measurement module is used to map that the range finding instrument is provided.Processing module is transferred the data in the map distance-measurement module 2, shows current map scale within display module shows, and the map distance-measurement instrument is provided.
The present invention in use can pass through the control module input signal, and the control processing module is transferred, related data in processing vector ground module or the grating map module, realizes multiplexing function; Also can transfer simultaneously the two relevant data, according to latitude and longitude information its position, ratio are adjusted, make central point and the field range of its displaying consistent, switch fast the display interface of two kinds of maps according to the instruction of control module, visual field difference is little, realize seamless connection, produce stronger contrast effect, easy to use.
Claims (3)
1. but the electronic map device of a map vector and grating map Alternation Display is characterized in that comprising map vector module, grating map module, coordinate transferring, processing module, control module and display module, wherein,
Described map vector module is used for the storage map vector data;
Described grating map module is used for storage grating map data;
Described coordinate transferring is additional for the longitude and latitude of finishing grating map, makes grating map produce latitude and longitude information;
Described control module is used for the control processing module and transfers map vector module or the interior map datum of grating map module, it is processed and is input to display module show;
Described processing module is used for map vector and grating map is complementary, latitude and longitude information according to the two is adjusted its position, ratio, make central point and the field range of its displaying consistent, according to the instruction of control module transfer, deal with data, then input display module and show;
Described display module is used for the data that the transmission of Graphics Processing module comes.
2. but the electronic map device of map vector according to claim 1 and grating map Alternation Display is characterized in that comprising the map distance-measurement module, and the map distance-measurement module is used to map that the range finding instrument is provided.
3. the processing module described in the present invention according to claim 1 and 2 is provided with the Data Update interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210524172.XA CN102982722B (en) | 2012-12-10 | 2012-12-10 | A kind of electronic map device that map vector can be alternately displayed with grating map |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210524172.XA CN102982722B (en) | 2012-12-10 | 2012-12-10 | A kind of electronic map device that map vector can be alternately displayed with grating map |
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| Publication Number | Publication Date |
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| CN102982722A true CN102982722A (en) | 2013-03-20 |
| CN102982722B CN102982722B (en) | 2018-09-25 |
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| CN201210524172.XA Active CN102982722B (en) | 2012-12-10 | 2012-12-10 | A kind of electronic map device that map vector can be alternately displayed with grating map |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110967714A (en) * | 2019-12-11 | 2020-04-07 | 上海澳马信息技术服务有限公司 | Method for displaying vehicle position in non-uniform vector diagram mode |
Citations (5)
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| KR100209350B1 (en) * | 1996-05-27 | 1999-07-15 | 이계철 | Electronic map |
| JP2001256141A (en) * | 2000-03-09 | 2001-09-21 | Hitachi Information Systems Ltd | Device and method for transmitting map data and recording medium for the program |
| CN1475773A (en) * | 2002-08-09 | 2004-02-18 | ���Ű�����ʽ���� | Map display device and program for map display |
| CN101630463A (en) * | 2009-07-30 | 2010-01-20 | 上海交通大学 | Method for automatic vectorization of road network digital raster map |
| CN102368259A (en) * | 2011-10-10 | 2012-03-07 | 北京百度网讯科技有限公司 | Electronic map data storage and query method, device and system |
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2012
- 2012-12-10 CN CN201210524172.XA patent/CN102982722B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100209350B1 (en) * | 1996-05-27 | 1999-07-15 | 이계철 | Electronic map |
| JP2001256141A (en) * | 2000-03-09 | 2001-09-21 | Hitachi Information Systems Ltd | Device and method for transmitting map data and recording medium for the program |
| CN1475773A (en) * | 2002-08-09 | 2004-02-18 | ���Ű�����ʽ���� | Map display device and program for map display |
| CN101630463A (en) * | 2009-07-30 | 2010-01-20 | 上海交通大学 | Method for automatic vectorization of road network digital raster map |
| CN102368259A (en) * | 2011-10-10 | 2012-03-07 | 北京百度网讯科技有限公司 | Electronic map data storage and query method, device and system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110967714A (en) * | 2019-12-11 | 2020-04-07 | 上海澳马信息技术服务有限公司 | Method for displaying vehicle position in non-uniform vector diagram mode |
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