CN106713473A

CN106713473A - Server

Info

Publication number: CN106713473A
Application number: CN201611259314.9A
Authority: CN
Inventors: 周轲
Original assignee: Chongqing Multichannel Electronic Technology Co Ltd
Current assignee: Chongqing Multichannel Electronic Technology Co Ltd
Priority date: 2016-12-30
Filing date: 2016-12-30
Publication date: 2017-05-24

Abstract

The invention provides a server, which comprises a position data acquisition module, a position identification module and a judging module, wherein the position data acquisition module is used for periodically obtaining real-time position data of a target; the position identification module is used for determining a current position, a previous position and previous position status of the target in a coordinate reference system, wherein the previous position status is determined by the previous position relative to positions of a first designated area and a second designated area in the coordinate reference system; and the judging module is used for determining whether the target effectively goes in and/or out of the first designated area according to the current position, the previous position and the previous position status. According to the scheme provided by the invention, a condition of fluctuation in the coordinate reference system due to a position data error can be overcome in order to accurately judge whether the object is across the designated area actually, and the method has great significance in actual application.

Description

Server

Technical field

The present invention relates to location technology, more particularly to a kind of server enters for judging target based on position data Go out the situation of designated area.

Background technology

Present GPS device on the market, it is possible to achieve the function such as positioning, statistics mileage and speed, therefore it is extensive It is applied to the fields such as mine, oil or its transport.But, it is well known that even high-precision GPS device, transmitted by it Position data and physical location all there is certain deviation, this is the true loss that cannot overcome of current technology.

Therefore, if to judge a target that can send position data or the mesh with transmittable position data equipment Whether mark enters or goes out in a designated area, then such case occurs：Target is actual to be close to designated area at one It is motionless on side or edge, and receive and can then be shown on the external equipment of its position data that the numeric data of the target exists always The adjacent edges of the designated area fluctuate back and forth, such as Fig. 1, and the position data of target A is in the reciprocal ripple in a designated area M edges It is dynamic.This application band great interference fluctuated to GPS is, it is necessary to those skilled in the art solve the problem.

The content of the invention

The shortcoming of prior art in view of the above, it is an object of the invention to provide a kind of server, for solve by Sending equipment itself error in position data causes target to occur position data display fluctuation, Jin Erwu in the case where not moving Whether method effectively judges the problem of the effective designated area of a target,

Solve the technical scheme of above-mentioned technical problem：

According to the first aspect of the invention

A kind of server, including：Position data acquisition module, a real time position data of a target is obtained for the cycle； Location identification module, for determining this position of the target in a coordinate reference system according to the real time position data Put, previous position and previous location status, wherein, the previous location status are by the previous position relative to the coordinate The position of one first designated area and the second designated area in frame of reference determines that second designated area is along institute The edge for stating the first designated area is obtained to the spacing of external expansion one；Judge module, for according to this position, the previous position And whether previous location status determine the target this first designated area described in effective entry/exit.

In a preferred scheme, the location identification module is specified specifically for being located at described first in the previous position When in region, determine the previous location status in boundary；When the previous position is located at outside first designated area, really The fixed previous location status are for out-of-bounds；It is located between first designated area and the second designated area in the previous position Or when on the edge of first designated area and the second designated area, determine that the previous location status are upper previous State is constant.

In a preferred scheme, first designated area and the second designated area are respectively a continuous closed area.

In a preferred scheme, the real time position data is a GPS location data.

Beneficial effects of the present invention

The previous position of target and previous location status are determined by position data, then this positional number is being combined Judge whether this effectively strides into or step out in the coordinate reference system unavoidably according to the correspondence position in coordinate reference system One designated area, so as to overcome the position data in the case where target is not moved to show the obstacle of position data fluctuation.

Brief description of the drawings

Fig. 1 causes the schematic diagram of fluctuation due to error for GPS location data in the prior art.

Fig. 2 be the present invention it is a kind of based on position data come judge target turnover designated area method flow chart.

Fig. 3 is the first designated area and the second designated area schematic diagram in one embodiment of the present invention.

Fig. 4 is a kind of schematic diagram of server of the invention.

Drawing reference numeral explanation

A destination objects

The designated areas of M1 first

The designated areas of M2 second

4 servers

41 position data acquisition modules

42 location identification modules

43 judge modules

Specific embodiment

Embodiments of the present invention are illustrated below by way of specific instantiation, those skilled in the art can be by this specification Disclosed content understands other advantages of the invention and effect easily.The present invention can also be by specific realities different in addition The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints with application, without departing from Various modifications or alterations are carried out under spirit of the invention.It should be noted that, in the case where not conflicting, following examples and implementation Feature in example can be mutually combined.

It should be noted that the diagram provided in following examples only illustrates basic structure of the invention in a schematic way Think, component count, shape and size when only display is with relevant component in the present invention rather than according to actual implementation in schema then Draw, it is actual when the implementing kenel of each component, quantity and ratio can be a kind of random change, and its assembly layout kenel It is likely more complexity.

Implementation method one

Process according to the invention face illustrates

See Fig. 2, give a kind of method that target turnover designated area is judged based on position data, including：

S101, the cycle obtains a real time position data of a target；

S102, this position in a coordinate reference system of the target, preceding is determined according to the real time position data Secondary position and previous location status, wherein, the previous location status are by the previous position relative to the coordinate reference The position of one first designated area and the second designated area in system determines that second designated area is along described The edge of one designated area is obtained to the spacing of external expansion one；

S103, whether this has to determine the target according to described this position, previous position and previous location status First designated area described in effect entry/exit.

Wherein, see Fig. 3, give a kind of implementation method of the first designated area and the second designated area, as illustrated, institute State the first designated area and the second designated area is respectively a continuous closed area.If in the closed area not being continuous area Can not then there be intersection in domain within the scope of the present invention is protected, and between the first designated area and the second designated area.

Wherein, the described second continuous closed area be along the described first continuous closed area edge inwardly/outer extend between one Away from region.

Wherein, the shape of the first designated area and the second designated area can have any shape, as long as it meets continuous envelope Close and without intersection.

Wherein, the real time position data can be a GPS location data, and the present invention is not intended to limit the specific of GPS device Type or shape etc..

Wherein, above-mentioned real time position data is to send one by GPS device to represent the data of its geographic location, this Kind of data are generated by presetting form and sent by GPS device, and the external equipment for for specifying is received.For example, the reality When position data can be including the information such as longitude, latitude.

In a preferred scheme, by the previous position relative to one first designated area in the coordinate reference system Determine that the previous location status are specifically included with the position of the second designated area：

When the previous position is located in first designated area, determine the previous location status in boundary；

When the previous position is located at outside first designated area, determine the previous location status for out-of-bounds；

It is located between first designated area and the second designated area in the previous position or is referred to described first Determine when on the edge of region and the second designated area, determine that the previous location status are that upper previous state is constant.

I.e. described previous location status are only included in boundary and out-of-bounds two states.

Wherein, the coordinate reference system can be a map system, and any real time position data is on the map system There is a position for uniquely determining.

This position, previous position and previous location status described in above-mentioned basis determine the target, and whether this is effective Specifically included the step of the first designated area described in entry/exit, be specifically shown in table 1 below：

Current location	Previous position	Previous location status	Judged result
				(not including edge) in first area	In non-first area	In boundary	Step into
(not including edge) in first area	In first area	In boundary	Without leap
				(not including edge) in first area	In non-first area	Out-of-bounds	Without leap
(not including edge) in first area	In first area	Out-of-bounds	Without leap
				In non-first area	In non-first area	In boundary	Without leap
In non-first area	In first area	In boundary	Step out
				In non-first area	In non-first area	Out-of-bounds	Without leap
In non-first area	In first area	Out-of-bounds	Without leap

Table 1

As can be seen from the above Table 1, if this position is in the first designated area inside/outside, previous position is not specified first In region/it is interior, and the previous location status be in out-of-bounds/boundary judge the relatively previous position in this position of the target to enter/ Go out first designated area；

Remaining situation is all judged to that the relatively previous position in this position of the target is the first specified area described in non-entry/exit Domain.

Wherein, previous position or this position are in accordance with the real time position data for obtaining with respect to the coordinate reference system institute Obtain.

Implementation method two

Arrangement according to the invention face illustrates

See Fig. 4, give a kind of server 4, including：Position data acquisition module 41, a target is obtained for the cycle One real time position data；Location identification module 42, for determining that the target is joined in a coordinate according to the real time position data This position, previous position and previous location status in test system, wherein, the previous location status are by the previous position Put relative to one first designated area in the coordinate reference system and the position of the second designated area to determine, described second Designated area is to be obtained to the spacing of external expansion one along the edge of first designated area；Judge module 43, for according to institute State this position, previous position and previous location status and determine described in the target this whether effective entry/exit that first specifies Region.

In a preferred scheme, the real time position data is a GPS location data.

Device provided in an embodiment of the present invention, because the principle of the device solve problem is similar to method, therefore, device Implementation process and implementation principle may refer to implementation process and the implementation principle description of preceding method, repeat part and no longer go to live in the household of one's in-laws on getting married State.

In sum, the scheme that the present invention is provided can overcome position data, and error causes in a coordinate reference system in itself The situation of middle fluctuation, so as to accurately judge target it is actual whether a cross-domain designated area, the method has in actual applications Important meaning.So, the present invention effectively overcomes various shortcoming of the prior art and has high industrial utilization.

The above-described embodiments merely illustrate the principles and effects of the present invention, not for the limitation present invention.It is any ripe The personage for knowing this technology all can carry out modifications and changes under without prejudice to spirit and scope of the invention to above-described embodiment.Cause This, those of ordinary skill in the art is complete with institute under technological thought without departing from disclosed spirit such as Into all equivalent modifications or change, should be covered by claim of the invention.

Claims

1. a kind of server, it is characterised in that including：

Position data acquisition module, a real time position data of a target is obtained for the cycle；

Location identification module, for determining this in a coordinate reference system of the target according to the real time position data Position, previous position and previous location status, wherein, the previous location status are by the previous position relative to the seat The position of one first designated area and the second designated area in mark frame of reference determines, second designated area be along The edge of first designated area is obtained to the spacing of external expansion one；

Judge module, for determining the target according to this position, previous position and the previous location status, this is First designated area described in no effective entry/exit.

2. server according to claim 1, it is characterised in that the location identification module is specifically for described previous Position is located at when in first designated area, determines the previous location status in boundary；Institute is located in the previous position State when outside the first designated area, determine the previous location status for out-of-bounds；Described first is located in the previous position to specify When between region and the second designated area or on the edge of first designated area and the second designated area, it is determined that described Previous location status are that upper previous state is constant.

3. server according to claim 1 and 2, it is characterised in that first designated area and the second designated area Respectively one continuous closed area.

4. server according to claim 3, it is characterised in that the real time position data is a GPS location data.