CN102506881A

CN102506881A - Method for rapidly and accurately locating by utilizing relative coordinate

Info

Publication number: CN102506881A
Application number: CN2011103339803A
Authority: CN
Inventors: 雷雅雯
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-10-28
Filing date: 2011-10-28
Publication date: 2012-06-20

Abstract

The invention relates to a method for rapidly and accurately locating by utilizing a relative coordinate, comprising the following steps of: firstly, using a designated location at the periphery of a target point as a reference point; forming a rectangular plane coordinate system by utilizing the reference point; generating quadrant codes when four quadrants of the rectangular plane coordinate system consist of four squares; an amplified map is a square formed by one Sudoku, a central point code +a quadrant code + a Sudoku one-level code+ a Sudoku two-level code...+ a final Sudoku code can constitute an accurate coordinate code of the target point; inputting the coordinate code of the target point into a terminal of an electronic map, so that accurate location indication of a target location can be obtained from the terminal. The method has the advantages that a landmark building is used as a reference, is convenient for people to determine direction and rapidly and accurately locate.

Description

A kind of relative coordinate method quick, that accurately locate of utilizing

Technical field

The present invention relates to earth field of locating technology, a kind of specifically relative coordinate method quick, that accurately locate of utilizing.

Background technology

Existing location technology is based on satellite time service method; Can accurately locate user's self accurate position; But because based on reasons such as the manufacturing cost at receiving chip and terminal and use habits; Most of terminal device does not provide the accurate coordinate value to locate this service, causes the user accurately to navigate at known region, and often can not accurately seek target at zone of ignorance.Though and a part of terminal provides the accurate coordinate value; Yet according to its coded system; We know that its display mode of confirming the impact point coordinate figure is: " X is through XXX ° of XX ' XX " XXX ° of XX ' XX of X latitude " " totally 24; Be not easy to people and inform each other, also be not easy to user's entry terminal and seek impact point.Along with quickening of urbanization process; A lot of streets are widened, are caused a lot of old place names to be replaced by new place name towards change; Thereby force the map storehouse that must constantly Update Information, if a period of time stops to upgrade, the situation that possibly cause using navigator but to can not find the destination takes place.

Summary of the invention

The objective of the invention is to study a kind of existing electronic chart terminal that is used to transform; Use a kind of simpler method to seek impact point; Can be widely used in travelling navigation, logistics terminal distribution, open-air rescue, fields such as military encryption location utilize relative coordinate fast, the accurate method of location.

A kind of relative coordinate method quick, that accurately locate of utilizing of the present invention, its step is following:

1, at first specify the place of arranging mutually between a landmark or the user as reference point at the impact point periphery; After the user chose and confirms, can generate the central point code this moment, and be central point with the reference point on the map, forms a plane right-angle coordinate;

2, four of this plane right-angle coordinate quadrants are made up of four squares, and after the user chose the quadrant at impact point place and confirms, can generate the quadrant code this moment;

3, the map after the amplification is the square that is become by one nine palace lattice, and after the grid at user place of selected target point in these nine palaces lattice was also confirmed, can generate one-level nine palace lattice codes this moment;

4,, use nine palace lattice localization methods to improve constantly the precision of impact point and generate coordinate figure code accurately according to the technical scheme in the method 4;

5, with ' central point code '+' quadrant code '+' nine palace lattice one-level code '+' nine palace lattice secondary code ' ... + ' the nine final codes of palace lattice ' just can form the accurate coordinate coding of impact point;

6, impact point coordinate coding input electronic chart terminal can be obtained the accurate place indication on target ground on the terminal.

A kind of relative coordinate advantage quick, the accurately method of location of utilizing of the present invention is:

1, utilizes landmark as object of reference, be convenient to people and confirm direction;

2, the ratio at electronic chart terminal commonly used is generally; Minimum 1:2000; Maximum 1:200000000, the default scale when the computer type terminal initial is opened is between 1:500000～1000000, and the default scale during the small mobile terminals initial opening is between 1:50000～100000; When nine palace lattice amplify at the electronic chart terminal, 3 times of the next stage nine palace lattice length of sides after the length of side of each grade nine palace lattice all equals to amplify; In theory, on the plane map of the 1:1000000 at electronic chart terminal through using nine palace lattice localization methods constantly confirming one 100 * 100 (the realistic objective size is 1 meter * 1 meter) impact point on the enlarged drawing layer, only need 9 bit digital.And in practice, the user is through by ' reference point code '+' quadrant code '+' nine palace lattice code ' the impact point code that is combined into confirms that other target of buildings level can not surpass the code combination of 12 letter+numerals.；

3, can use self-defined code means and change map map magnification ratio sequential scheduling mode to encrypt the location according to user's different demands.

4, can locate rapidly and accurately.

Description of drawings

Fig. 1 is the synoptic diagram of rectangular coordinate system.

Fig. 2 is the first order nine palace synoptic diagram in the quadrant.

Fig. 3 is the second level nine palace synoptic diagram in the quadrant.

Fig. 4-Figure 12 is the position fixing process figure of Wuhan City's point.

Embodiment

Embodiment- :

Shown in Fig. 1-3, a kind of relative coordinate method quick, that accurately locate of utilizing, its step is following:

Embodiment two: with the Wuhan point is example: Fig. 4 one is shown in Figure 12 for the root a tree name

1, at first opens the electronic chart client through system prompt, in ground Fig. 1 (map default scale 1:100000), find impact point position ' A ' point;

2, in Fig. 2 (map default scale 1:100000), choose object of reference " park of being the first to rise in revolt " around the point of impact point position ' A '.Choose and confirm that the back generates central point code " park of being the first to rise in revolt ";

3, after reference point " park of being the first to rise in revolt " was confirmed, system can be that the center generates a plane right-angle coordinate with reference point " park of being the first to rise in revolt ", and impact point ' A ' is in the 2nd quadrant of the plane right-angle coordinate of Fig. 3 (map default scale 1:100000).Choose and confirm that the back generates quadrant code " 2 ";

4, after quadrant was selected, map amplified the back and generates one-level nine palace lattice, and impact point ' A ' is in the foundation frame of the one-level nine palace lattice of Fig. 4 (map default scale 1:100000).Choose and confirm that the back generates one-level nine palace lattice codes " 9 ";

5, can confirm to generate secondary nine palace lattice behind the position among the new map Fig. 5 (map default scale 1:50000) after amplification according to the absolute position of four points of No. 9 grids in the one-level nine palace lattice maps of Fig. 4, impact point ' A ' be in the 6th lattice of the secondary nine palace lattice of Fig. 5.Choose and confirm that the back generates secondary nine palace lattice codes " 6 ";

6, according to the method for step 5, impact point ' A ' is in the foundation frame of three grade of nine palace lattice of Fig. 6 (map default scale 1:20000).Choose and confirm that the back generates secondary nine palace lattice codes " 9 ";

7, according to the method for step 5, impact point ' A ' is chosen and is confirmed that the back generates level Four nine palace lattice codes " 8 " in the 8th lattice of the level Four nine palace lattice of Fig. 7 (map default scale 1:10000);

8, according to the method for step 5, impact point ' A ' is chosen and is confirmed that the back generates level Four nine palace lattice codes " 8 " in the 8th lattice of the level Four nine palace lattice of Fig. 8 (map default scale 1:5000);

9, can draw the relative coordinate code of impact point ' A ' after this moment codes at different levels being merged in order: " park 296988 of being the first to rise in revolt ".

When 10, the user utilizes the method to cooperate satellite to position; Satellite anchor point and the discrepant situation of physical location among Fig. 7, Fig. 8 appear in the position deviation that possibly cause because of navigation data errors or mapping out of true; This moment, the user can manually choose the judgement of environment according to self, to improve bearing accuracy and accuracy.

Claims

1. one kind is utilized relative coordinate method quick, that accurately locate, and it is characterized in that: its step is following:

⑴ at first specify the place of arranging mutually between a landmark or the user as reference point at the impact point periphery; After the user chose and confirms, can generate the central point code this moment, and be central point with the reference point on the map, forms a plane right-angle coordinate;

⑵ four quadrants of this plane right-angle coordinate are made up of four squares, and after the user chose the quadrant at impact point place and confirms, can generate the quadrant code this moment;

⑶ the map after amplify is the square that is become by one nine palace lattice, and after the grid at user place of selected target point in these nine palaces lattice was also confirmed, can generate one-level nine palace lattice codes this moment;

⑷ use nine palace lattice localization methods to improve constantly the precision of impact point and generate coordinate figure code accurately according to the technical scheme in the method 4;

⑸ with ' central point code '+' quadrant code '+' nine palace lattice one-level code '+' nine palace lattice secondary code ' ... + ' the nine final codes of palace lattice ' just can form the accurate coordinate coding of impact point;

⑹ can obtain impact point coordinate coding input electronic chart terminal the accurate place indication on target ground on the terminal.