CN1932546A - Method for inter-terminal equipments exchanging map information - Google Patents
Method for inter-terminal equipments exchanging map information Download PDFInfo
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- CN1932546A CN1932546A CN 200510029741 CN200510029741A CN1932546A CN 1932546 A CN1932546 A CN 1932546A CN 200510029741 CN200510029741 CN 200510029741 CN 200510029741 A CN200510029741 A CN 200510029741A CN 1932546 A CN1932546 A CN 1932546A
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Abstract
The invention involves the method which carries on a map information commutation of a kind of terminal equipments, sending out to carry the processing process of the terminal equipments to include to obtain a screen among them up of cut a diagram frame information, carry on converting a processing operation, check to seek a related map data in the map database, according to provision the format carry on packing to become a map data to wrap, pass a network to send out to receive to carry a terminal equipments; Receive to carry the processing process of the terminal equipments to include to receive a map data to wrap, use terminal map engine to open that map data to wrap through a network, analyze and show at a terminal screen up. The adoption should grow a terminal equipments the method which carry on a map information to exchange, reducing the redundancy of data quantity; The map information saves by vector sketch type after spreading to the target terminal in the meantime, can carry on zooming arbitrarily, convenience user; Should carry out a method operation moreover in brief fast, work stability, apply the situation which delivers a map information of various of GPS navigation equipment, therefore the application is more extensive.
Description
Technical field
The present invention relates to the terminal device field, particularly map terminal device field specifically is meant the method for carrying out the cartographic information exchange between a kind of terminal device.
Background technology
In the modern life, the GPS product becomes more and more popular.And at present, the GPS product has the sectional drawing function mostly, can send out other terminal device by Internet, realizes that with this cartographic information between terminal device exchanges.Implementation method is saved as BMP for by intercepting bitmap on the screen, and JPG or GIF form with this view data packing, transmit by network then.Its concrete principle of work sees also shown in Figure 1.
This way has following shortcoming:
(1) quantity of information size in the sectional drawing no matter, the size of view data only with the big subtotal of sectional drawing area, put greatly by figure, and then data volume is big; Figure contracts for a short time, and then data volume is little.Can cause the redundancy of data volume.
(2) after cartographic information passes to and reaches target terminal, exist, be unfavorable for convergent-divergent with bitmap form.
Summary of the invention
The objective of the invention is to have overcome above-mentioned shortcoming of the prior art, provide a kind of data volume redundancy, receiving end terminal device of reducing to carry out the method for carrying out the cartographic information exchange between the wider terminal device of any convergent-divergent, convenient and swift, working stability, applicable surface to map.
In order to realize above-mentioned purpose, the method for carrying out the cartographic information exchange between terminal device of the present invention has following formation:
Carry out the method for cartographic information exchange between this terminal device, comprise transmitting side terminal equipment and receiving end terminal device, its principal feature is, described method comprises transmitting side terminal device processes process and receiving end terminal device processing procedure, and described transmitting side terminal device processes process may further comprise the steps:
(1) obtains sectional drawing frame information on the screen according to user's operation;
(2) the sectional drawing frame information of obtaining is carried out the conversion process operation;
(3) information that operation obtains according to conversion process is searched relevant map datum in map data base;
(4) with the map datum that finds according to the rules form be packaged as the map datum bag;
(5) this map datum bag is sent to the receiving end terminal device by network;
Described receiving end terminal device processing procedure may further comprise the steps:
(1) receives the map datum bag by network;
(2) use the terminal map engine to open this map datum bag;
(3) information of this map datum bag is resolved and is presented on the terminal screen.
The sectional drawing frame information of carrying out the method for cartographic information exchange between this terminal device is: the horizontal ordinate in the terminal screen upper left corner and the horizontal ordinate in the lower right corner.
Carry out sectional drawing frame information is carried out conversion process being operating as of method of cartographic information exchange between this terminal device:
The horizontal ordinate in the horizontal ordinate in the terminal screen upper left corner and the lower right corner is scaled the latitude and longitude coordinates of actual map.
The map datum that carries out the method for cartographic information exchange between this terminal device is: the shape data information of each correlogram layer and performance data information.
The map datum pack arrangement that carries out the method for cartographic information exchange between this terminal device is:
| The total n of figure layer | |
| Figure layer label 1 | Figure layer label 1 start address |
| Figure layer label 2 | Figure layer label 2 start addresses |
| ……… | ……… |
| Figure layer label n | Figure layer label n start address |
| Figure layer label 1 data | |
| Figure layer label 2 data | |
| …………… | |
| Figure layer label n data | |
The figure layer data form that carries out the method for cartographic information exchange between this terminal device is:
| Figure layer label | Shape | Figure layer length | Write down sum M in this figure layer | |
| Write down 1 start address | Write down 1 length | |||
| Write down 2 start addresses | Write down 2 length | |||
| ……… | ……… | |||
| Record M start address | Record M length | |||
| Write down 1 data | ||||
| Write down 2 data | ||||
| ……… | ||||
| Record M data | ||||
The record data form that carries out the method for cartographic information exchange between this terminal device is:
| Record number | |
| The shape data start address | Shape data length |
| The performance data start address | Performance data length |
| Shape data | |
| Performance data | |
The terminal device that carries out the method for cartographic information exchange between this terminal device is the GPS terminal device.
The GPS terminal device that carries out the method for cartographic information exchange between this terminal device can be PDA, GPS navigation instrument or mobile phone.
The network that carries out the method for cartographic information exchange between this terminal device is the Internet.
Owing to adopted the method for carrying out the cartographic information exchange between the terminal device of this invention, how much transmitting side terminal equipment no matter of making is to the sectional drawing area size of map, the size of view data has reduced the redundancy of data volume only with the little calculating that contains much information in the sectional drawing; After cartographic information passes to target terminal simultaneously,, can carry out any convergent-divergent, make things convenient for the user with the storage of polar plot form; In addition, simple and quick, the working stability of this implementation method be suitable for the situation of transmitting cartographic information between the various GPS navigation equipment, so range of application is more extensive.
Description of drawings
Fig. 1 is the course of work synoptic diagram that exchanges cartographic information in the prior art between the GPS terminal device.
Fig. 2 is the course of work synoptic diagram that carries out the method for cartographic information exchange between terminal device of the present invention.
Fig. 3 is the workflow diagram of the transmitting terminal GPS terminal device of the method for carrying out the cartographic information exchange between terminal device of the present invention.
Fig. 4 is the workflow diagram of the receiving end GPS terminal device of the method for carrying out the cartographic information exchange between terminal device of the present invention.
Embodiment
In order more to be expressly understood technology contents of the present invention, describe in detail especially exemplified by following examples.
See also Fig. 2, Fig. 3 and shown in Figure 4, carry out the method for cartographic information exchange between this terminal device, comprise transmitting side terminal equipment and receiving end terminal device, wherein, the terminal device that carries out the method for cartographic information exchange between this terminal device is the GPS terminal device, can be PDA, GPS navigation instrument or mobile phone; Described method comprises transmitting side terminal device processes process and receiving end terminal device processing procedure, and described transmitting side terminal device processes process may further comprise the steps:
(1) obtain sectional drawing frame information on the screen according to user's operation, this sectional drawing frame information is: the horizontal ordinate in the terminal screen upper left corner and the horizontal ordinate in the lower right corner;
(2) the sectional drawing frame information of obtaining is carried out conversion process operation, this conversion process is operating as: the latitude and longitude coordinates that the horizontal ordinate in the horizontal ordinate in the terminal screen upper left corner and the lower right corner is scaled actual map;
(3) information that operation obtains according to conversion process is searched relevant map datum in map data base, and this map datum is: the shape data information of each correlogram layer and performance data information;
(4) with the map datum that finds according to the rules form be packaged as the map datum bag;
(5) this map datum bag is sent to the receiving end terminal device by network, this network is the Internet;
Described receiving end terminal device processing procedure may further comprise the steps:
(1) receive the map datum bag by network, this network equally also is the Internet;
(2) use the terminal map engine to open this map datum bag;
(3) information of this map datum bag is resolved and is presented on the terminal screen.
In said method, the map datum pack arrangement is:
| The total n of figure layer | |
| Figure layer label 1 | Figure layer label 1 start address |
| Figure layer label 2 | Figure layer label 2 start addresses |
| ……… | ……… |
| Figure layer label n | Figure layer label n start address |
| Figure layer label 1 data | |
| Figure layer label 2 data | |
| …………… | |
| Figure layer label n data | |
The figure layer data form that carries out the method for cartographic information exchange between this terminal device is:
| Figure layer label | Shape | Figure layer length | Write down sum M in this figure layer | |
| Write down 1 start address | Write down 1 length | |||
| Write down 2 start addresses | Write down 2 length | |||
| ……… | ……… | |||
| Record M start address | Record M length | |||
| Write down 1 data | ||||
| Write down 2 data | ||||
| ……… | ||||
| Record M data | ||||
The record data form that carries out the method for cartographic information exchange between this terminal device is:
| Record number | |
| The shape data start address | Shape data length |
| The performance data start address | Performance data length |
| Shape data | |
| Performance data | |
In the middle of reality was used, the concrete job step of this method in the GPS terminal device was as follows:
(1) obtains user's sectional drawing frame, i.e. the horizontal ordinate in the horizontal ordinate in the upper left corner and the lower right corner (this moment, said coordinate was the coordinate on the screen, and data type is shaping);
(2) the frame coordinate transformation on the screen is become the latitude and longitude coordinates of actual map;
(3) utilize the longitude and latitude frame on the actual map in map data base, to search corresponding data, comprise shape (shape) information and characteristic (feature) information (as: reference name) of each correlogram layer;
(4) packing data that finds is sent to Internet, be sent to distant terminal;
(5) distant terminal is opened packet with corresponding engine map after obtaining packet, and its content is shown.
Adopted said method of the present invention, made how many transmitting terminal GPS terminal devices no matter is to the sectional drawing area size of map, the size of view data has reduced the redundancy of data volume with the little calculating that contains much information in the sectional drawing; After cartographic information passes to target terminal simultaneously,, can carry out any convergent-divergent, make things convenient for the user with the storage of polar plot form; In addition, simple and quick, the working stability of this implementation method be suitable for the situation of transmitting cartographic information between the various GPS navigation equipment, so range of application is more extensive.
In this instructions, the present invention is described with reference to its certain embodiments.But, still can make various modifications and conversion obviously and not deviate from the spirit and scope of the present invention.Therefore, instructions and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (10)
1, carries out the method for cartographic information exchange between a kind of terminal device, comprise transmitting side terminal equipment and receiving end terminal device, it is characterized in that, described method comprises transmitting side terminal device processes process and receiving end terminal device processing procedure, and described transmitting side terminal device processes process may further comprise the steps:
(1) obtains sectional drawing frame information on the screen according to user's operation;
(2) the sectional drawing frame information of obtaining is carried out the conversion process operation;
(3) information that operation obtains according to conversion process is searched relevant map datum in map data base;
(4) with the map datum that finds according to the rules form be packaged as the map datum bag;
(5) this map datum bag is sent to the receiving end terminal device by network;
Described receiving end terminal device processing procedure may further comprise the steps:
(1) receives the map datum bag by network;
(2) use the terminal map engine to open this map datum bag;
(3) information of this map datum bag is resolved and is presented on the terminal screen.
2, carry out the method for cartographic information exchange between terminal device according to claim 1, it is characterized in that described sectional drawing frame information is: the horizontal ordinate in the terminal screen upper left corner and the horizontal ordinate in the lower right corner.
3, carry out the method for cartographic information exchange between terminal device according to claim 2, it is characterized in that, describedly sectional drawing frame information is carried out conversion process be operating as:
The horizontal ordinate in the horizontal ordinate in the terminal screen upper left corner and the lower right corner is scaled the latitude and longitude coordinates of actual map.
4, according to the method for carrying out the cartographic information exchange in the claim 1 to 3 between each described terminal device, it is characterized in that described map datum is: the shape data information of each correlogram layer and performance data information.
5, carry out the method for cartographic information exchange between terminal device according to claim 4, it is characterized in that described map datum pack arrangement is:
The total n of figure layer
Figure layer label 1 Figure layer label 1 start address
Figure layer label 2 Figure layer label 2 start addresses
........ .........
Figure layer label n Figure layer label n start address
Figure layer label 1 data
Figure layer label 2 data
............
Figure layer label n data
6, carry out the method for cartographic information exchange between terminal device according to claim 5, it is characterized in that described figure layer data form is:
Figure layer label Shape Figure layer length Write down sum M in this figure layer
Write down 1 start address Write down 1 length
Write down 2 start addresses Write down 2 length
......... .........
Record M start address Record M length
Write down 1 data
Write down 2 data
.........
Record M data
7, carry out the method for cartographic information exchange between terminal device according to claim 6, it is characterized in that described record data form is:
Record number
The shape data start address Shape data length
The performance data start address Performance data length
Shape data
Performance data
8, according to the method for carrying out the cartographic information exchange in the claim 1 to 3 between each described terminal device, it is characterized in that described terminal device is the GPS terminal device.
9, carry out the method for cartographic information exchange between terminal device according to claim 8, it is characterized in that described GPS terminal device is PDA, GPS navigation instrument or mobile phone.
10, according to the method for carrying out the cartographic information exchange in the claim 1 to 3 between each described terminal device, it is characterized in that described network is the Internet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510029741 CN1932546A (en) | 2005-09-16 | 2005-09-16 | Method for inter-terminal equipments exchanging map information |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510029741 CN1932546A (en) | 2005-09-16 | 2005-09-16 | Method for inter-terminal equipments exchanging map information |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1932546A true CN1932546A (en) | 2007-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510029741 Pending CN1932546A (en) | 2005-09-16 | 2005-09-16 | Method for inter-terminal equipments exchanging map information |
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|---|---|
| CN (1) | CN1932546A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101290228B (en) * | 2007-04-17 | 2010-12-08 | 北京协进科技发展有限公司 | Map data processing method, system and mobile terminal based on mobile terminal |
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2005
- 2005-09-16 CN CN 200510029741 patent/CN1932546A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101290228B (en) * | 2007-04-17 | 2010-12-08 | 北京协进科技发展有限公司 | Map data processing method, system and mobile terminal based on mobile terminal |
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Open date: 20070321 |