CN105160191B - A kind of two-dimensional assemblage method and device based on spatial position - Google Patents
A kind of two-dimensional assemblage method and device based on spatial position Download PDFInfo
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Abstract
The two-dimensional assemblage method based on spatial position that the invention discloses a kind of, comprising: receive the original plane coordinate that user terminal is sent；Make a ray by starting point of location point of the original plane coordinate on original plane region, the intersection point number of the boundary line of the ray and each coordinate transition region is calculated one by one, and using conversion parameter corresponding to the coordinate transition region that intersection point number is odd number as the conversion parameter of the original plane coordinate；The coordinate transition region is the sub-regions after being divided in the original plane region according to conversion parameter；According to the conversion parameter of the original plane coordinate, the original plane coordinate is converted as purpose plane coordinates；The purpose plane coordinates is fed back into the user terminal.Correspondingly, the invention also discloses a kind of two-dimensional assemblage device based on spatial position.Using the embodiment of the present invention, the conversion parameter of original plane coordinate can be chosen automatically, improve transfer efficiency and accuracy.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of two-dimensional assemblage methods and dress based on spatial position
It sets.
Background technique
According to statistics, there are nearly 80% and space bit confidence in informational capacity involved in mankind's activity in current informationized society
Manner of breathing association.With the development of society, all trades and professions are more and more extensive for the demand of spatial positional information.Due to various coordinates
The presence of system, coordinate conversion have become a key link in spatial positional information determination.
Currently, coordinate conversion has been directed to the application of all trades and professions, such as automotive positioning, resource investigation, remote sensing figure
As analysis, urban construction and management etc..In the prior art, coordinate conversion can only be in local progress, and operating efficiency is low.And
And must be in locally-installed conversion program and parameter when user's application, program and parametric user are directly visible, are unfavorable for achievement
Secrecy, also cause Information Security and user's popularity poor.In addition, conversion parameter is usually according to original coordinates location
Domain is manually chosen, wasting manpower and material resources and easy error.
Summary of the invention
The embodiment of the present invention proposes a kind of two-dimensional assemblage method and device based on spatial position, can choose automatically
The conversion parameter of original plane coordinate improves transfer efficiency and accuracy.
The embodiment of the present invention provides a kind of two-dimensional assemblage method based on spatial position, comprising:
Receive the original plane coordinate that user terminal is sent；
Make a ray by starting point of location point of the original plane coordinate on original plane region, calculates institute one by one
The intersection point number of the boundary line of ray and each coordinate transition region is stated, and is the coordinate transition region institute of odd number by intersection point number
Conversion parameter of the corresponding conversion parameter as the original plane coordinate；The coordinate transition region is by the original plane
Region divided according to conversion parameter after a sub-regions；
According to the conversion parameter of the original plane coordinate, the original plane coordinate is converted as purpose plane coordinates；
The purpose plane coordinates is fed back into the user terminal.
Further, the location point using the original plane coordinate on original plane region is penetrated for one as starting point work
Line calculates the intersection point number of the boundary line of the ray and each coordinate transition region one by one, and is odd number by intersection point number
Conversion parameter of the conversion parameter corresponding to coordinate transition region as the original plane coordinate, specifically includes:
Using location point of the original plane coordinate on original plane region as starting point, on the original plane region
The longitudinal axis parallel direction of the coordinate system of foundation makees a ray；
Each coordinate transition region is chosen one by one；
The coordinate of two endpoints in each edge boundary line of selected coordinate transition region is obtained one by one, and judges institute's rheme
Whether the abscissa set a little is located between the abscissa of described two endpoints；
If so, calculate separately boundary line where described two endpoints first slope and the location point with it is described two
Second slope of the line of the small endpoint of abscissa in endpoint, and the size of the first slope and second slope,
If the first slope is greater than second slope, the ray and the boundary line have intersection point, if the first slope
Less than second slope, then the ray and the boundary line do not have intersection point；
If it is not, then the ray and the boundary line do not have intersection point；
The intersection point number of the boundary line of the ray and each coordinate transition region is counted one by one, and is surprise by intersection point number
Conversion parameter of the conversion parameter corresponding to several coordinate transition regions as the original plane coordinate.
Further, the conversion parameter includes translation parameters, scale parameter and rotation angle parameter；The formula of conversion is such as
Under:
Wherein,For the purpose plane coordinates,For the original plane coordinate,For translation ginseng
Number, α are the rotation angle parameter, and m is the scale parameter.
Further, before the original plane coordinate that the reception user terminal is sent, further includes:
The connection request that the user terminal is sent is received, establishes connection with the user terminal.
Further, after the purpose plane coordinates to feed back to the user terminal described, further includes:
Shutdown instruction is sent to the user terminal, disconnects the connection with the user terminal.
Correspondingly, the embodiment of the present invention also provides a kind of two-dimensional assemblage device based on spatial position, comprising:
Receiving module, for receiving the original plane coordinate of user terminal transmission；
Conversion parameter obtains module, for using location point of the original plane coordinate on original plane region as starting point
Make a ray, calculate the intersection point number of the boundary line of the ray and each coordinate transition region one by one, and by intersection point number
Conversion parameter of the conversion parameter corresponding to coordinate transition region for odd number as the original plane coordinate；The coordinate turns
Changing region is the sub-regions after being divided in the original plane region according to conversion parameter；
Conversion module is converted to the original plane coordinate for the conversion parameter according to the original plane coordinate
Purpose plane coordinates；And
Feedback module, for the purpose plane coordinates to be fed back to the user terminal.
Further, the conversion parameter obtains module and specifically includes:
Ray acquiring unit, for using location point of the original plane coordinate on original plane region as starting point, with
The longitudinal axis parallel direction for the coordinate system established on the original plane region makees a ray；
Selection unit, for choosing each coordinate transition region one by one；
Judging unit, the seat of two endpoints in each edge boundary line for obtaining selected coordinate transition region one by one
Mark, and judge whether the abscissa of the location point is located between the abscissa of described two endpoints；
Intersection point judging unit, for if so, the first slope of boundary line and institute where calculating separately described two endpoints
State the second slope of the line for the endpoint that abscissa is small in location point and described two endpoints, and the first slope and institute
The size of the second slope is stated, if the first slope is greater than second slope, the ray and the boundary line, which have, is handed over
Point, if the first slope is less than second slope, the ray and the boundary line do not have intersection point；
Intersection point recognition unit, for if it is not, then the ray and the boundary line do not have intersection point；And
Statistic unit, the intersection point number of the boundary line for counting the ray and each coordinate transition region one by one, and
Using conversion parameter corresponding to the coordinate transition region that intersection point number is odd number as the conversion parameter of the original plane coordinate.
Further, the conversion parameter includes translation parameters, scale parameter and rotation angle parameter；The formula of conversion is such as
Under:
Wherein,For the purpose plane coordinates,For the original plane coordinate,For translation ginseng
Number, α are the rotation angle parameter, and m is the scale parameter.
Further, the two-dimensional assemblage device based on spatial position further include:
Link block, the connection request sent for receiving the user terminal, establishes connection with the user terminal.
Further, the two-dimensional assemblage device based on spatial position further include:
Module is disconnected, for sending shutdown instruction to the user terminal, disconnects the connection with the user terminal.
The implementation of the embodiments of the present invention has the following beneficial effects:
Two-dimensional assemblage method and device provided in an embodiment of the present invention based on spatial position can be handed over by obtaining
Number is put to determine the coordinate transition region where original plane coordinate, and then obtains the conversion parameter of original plane coordinate, it is real
Now to the conversion of original plane coordinate, transfer efficiency and accuracy are improved；Connection is established with user terminal, to the original flat of user terminal
Areal coordinate carries out unified conversion, improves transfer efficiency and Information Security；It is widely used in spatial position determination, shift position clothes
The fields such as business, CORS measurement, RTK measurement, communication navigation, mapping, public safety, water conservancy, agriculture and forestry, have high scientific research,
National defence and commercial value.
Detailed description of the invention
Fig. 1 is the process signal of one embodiment of the two-dimensional assemblage method provided by the invention based on spatial position
Figure；
Fig. 2 is one embodiment of step S2 in the two-dimensional assemblage method provided by the invention based on spatial position
Flow diagram；
Fig. 3 is another embodiment of step S2 in the two-dimensional assemblage method provided by the invention based on spatial position
Schematic diagram；
Fig. 4 is the structural representation of one embodiment of the two-dimensional assemblage device provided by the invention based on spatial position
Figure；
Fig. 5 is that the one of parameter acquisition module is converted in the two-dimensional assemblage device provided by the invention based on spatial position
The structural schematic diagram of a embodiment.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It is the stream of one embodiment of the two-dimensional assemblage method provided by the invention based on spatial position referring to Fig. 1
Journey schematic diagram, comprising:
S1, the original plane coordinate that user terminal is sent is received；
S2, a ray is made as starting point using location point of the original plane coordinate on original plane region, counted one by one
The intersection point number of the boundary line of the ray and each coordinate transition region is calculated, and is the coordinate transition zone of odd number by intersection point number
Conversion parameter of the conversion parameter corresponding to domain as the original plane coordinate；The coordinate transition region is will be described original
Plane domain divided according to conversion parameter after a sub-regions；
S3, according to the conversion parameter of the original plane coordinate, the original plane coordinate is converted as purpose plane seat
Mark；
S4, the purpose plane coordinates is fed back into the user terminal.
It should be noted that the conversion parameter between two coordinate systems is the variation with different zones and changes, such as
The conversion parameter on different provincial boundaries or different circle, city is not identical, generally using circle, a city or a provincial boundaries as a coordinate transition zone
Domain.After receiving original plane coordinate to be converted, need first to judge the position of the original plane coordinate, it is original with this
The location point of plane coordinates is that starting point makees a ray, passes through the ray and the intersection point of the boundary line of each coordinate transition region
Number is to determine coordinate transition region locating for the original plane coordinate.In turn, using the conversion parameter of the coordinate transition region as
The conversion parameter of original plane coordinate is converted, to realize the automatic conversion to plane coordinates, improves transfer efficiency
And accuracy.
Wherein, the original plane coordinate in user terminal can be used satellite positioning receiver, handbook, PDA, mobile phone, total station,
The software and hardwares positioning device such as theodolite, road sign, electronic map measures, operating system can be used WinCE, Linux or its
Its embedded system etc. can also be introduced directly into the coordinate data of other positioning devices.
It should be noted that the two-dimensional assemblage method based on spatial position of the present embodiment is realized by server, use
The conversion to original plane coordinate is realized by the communication with server in family end.
Further, as shown in Fig. 2, described be with location point of the original plane coordinate on original plane region
Point makees a ray, calculates the intersection point number of the boundary line of the ray and each coordinate transition region one by one, and intersection point is a
Number is conversion parameter of the conversion parameter as the original plane coordinate corresponding to the coordinate transition region of odd number, specific to wrap
It includes:
S21, using location point of the original plane coordinate on original plane region as starting point, with the original plane area
The longitudinal axis parallel direction for the coordinate system established on domain makees a ray；
S22, each coordinate transition region is chosen one by one；
S23, obtain one by one selected coordinate transition region each edge boundary line two endpoints coordinate, and judge institute
Whether the abscissa for stating location point is located between the abscissa of described two endpoints；If so, S24 is thened follow the steps, if it is not, then holding
Row step S26；
S24, the first slope for calculating separately described two endpoints places boundary line and the location point and described two ends
Second slope of the line of the small endpoint of abscissa in point, and the size of the first slope and second slope, if
The first slope is greater than second slope, thens follow the steps S25, if the first slope is less than second slope,
Execute step S26；
S25, determine that the ray and the boundary line have intersection point；
S26, determine that the ray and the boundary line do not have intersection point；
S27, count one by one the ray and each coordinate transition region boundary line intersection point number, and by intersection point number
Conversion parameter of the conversion parameter corresponding to coordinate transition region for odd number as the original plane coordinate.
It should be noted that M coordinate transition region T is marked off in the coordinate system in original plane region in advance1、
T2、……、Tm, such as Guangzhou circle, Dongguan City circle, Hunan provincial boundaries.Wherein, the M corresponding conversion parameter of coordinate transition region is
Tran1、Tran2、……、Tranm。
When carrying out coordinate conversion, the original plane coordinate that user terminal is sent is received, wherein original plane coordinate is original
Location point on plane domain is P0(x0,y0).Cross P0Point makees a ray R along the parallel direction of the y-axis of coordinate system, then by suitable
Sequence selects coordinate transition region T one by onei, wherein coordinate transition region TiFor a closed polygon, convex polygon can be
Or the variforms such as concave polygon, coordinate transition region TiBoundary line by a series of coordinate points P1、……、PnIt constitutes.It is selecting
Select a coordinate transition region TiAfterwards, coordinate transition region T is chosen one by one in orderiEach edge boundary line whether to judge it
The initial value for intersecting with ray R, and intersection counter Cr being arranged is 0, wherein two endpoints in each edge boundary line are respectively Pi
(xi,yi) and Pi+1(xi+1,yi+1), xi≤xi+1.If location point P0Abscissa be located at endpoint PiAnd Pi+1Abscissa between, i.e.,
xi≤x0<xi+1, then P is calculated separatelyiPi+1Slope S lope1And PiP0Slope S lope2, wherein Work as Slope1It is greater than and is equal to Slope2When, illustrate ray R and this boundary line PiPi+1It is handed over effective
Point makes intersection counter Cr assignment add 1, and continues to select coordinate transition region TiLower a line judged；If position
Point P0Abscissa be not located at endpoint PiAnd Pi+1Abscissa between, then illustrate ray R and this boundary line PiPi+1Do not hand over
Point continues to select coordinate transition region TiLower a line judged.In coordinate transition region TiAll boundary lines it is equal
After judgement, if the value of intersection counter Cr is odd number, illustrate location point P0Positioned at coordinate transition region TiIn, selection
Coordinate transition region TiConversion parameter TraniConversion parameter as original plane coordinate is realized to original plane coordinate
Conversion；If the value for intersecting counter Cr is even number, illustrate location point P0Not in coordinate transition region TiIn, continue under selection
One coordinate transition region is judged, until determining location point P0The coordinate transition region at place.
For example, as shown in figure 3, plane domain has divided three coordinate transition regions, i.e. the first coordinate transition region 31,
Two coordinate transition regions 32 and third coordinate transition region 33, conversion parameter is respectively Tran1、Tran2And Tran3.With original
Location point P of the plane coordinates on original plane region0Make a ray R for starting point, calculates separately ray R and the first coordinate turns
The intersection point number in region 31, the second coordinate transition region 32 and third coordinate transition region 33 is changed, emergent ray R and first is counted and sits
The intersection point number for marking transition region 31 is 1, and the intersection point number of ray R and the second coordinate transition region 32 is 2, ray R and
The intersection point number of third coordinate transition region 33 is 0, then location point P0In the first coordinate transition region 31, the first coordinate
The conversion parameter Tran of transition region 311As convert the conversion parameter of original plane coordinate.
Further, the conversion parameter includes translation parameters, scale parameter and rotation angle parameter；The formula of conversion is such as
Under:
Wherein,For the purpose plane coordinates,For the original plane coordinate,For translation ginseng
Number, α are the rotation angle parameter, and m is the scale parameter.
It should be noted that the difference between coordinate system depends primarily on the position and orientation of coordinate system, ellipsoidal parameter with
And the scale definition of coordinate system.Therefore, realize the primary of two-dimensional assemblage on condition that must be set up plane coordinates system it
Between meet precision and management require tight transformational relation.For lesser plane domain, the plane between Two coordinate system system turns
It is fixed for changing parameter.For large range of plane domain, conversion parameter is changed with the variation in different regions
, multiple plane conversion parameters can be determined by region.
In addition, can also be realized with the following method using the space coordinates of geodetic coordinates form to plane coordinate system
Conversion:
Wherein,For the translation parameters of two different spaces rectangular coordinate system origins, δ μ is scale parameter, (εx,εy,
εz) it is rotation angle parameter,For purpose coordinate,For original coordinates.
Further, before the original plane coordinate that the reception user terminal is sent, further includes:
The connection request that the user terminal is sent is received, establishes connection with the user terminal.
It should be noted that a large number of users end can simultaneously by the wireless networks such as GPRS, CDMA, WIFI, Internet with
Remote server system is connected, and server distributes a unique IP address to each user terminal connected.Upon connection,
User terminal obtains the roll-call of point, attribute, original plane coordinate, determine point former coordinate system and purpose coordinate to be converted
System, and data boot field is added in the information that will acquire, and forms point conversion pretreatment achievement and is sent to server, data
Paragraph format is as follows:
| IP | It calls the roll | Point attribute | Former coordinate system | Original plane coordinate | Purpose coordinate system |
After server receives the data segment, IP, the roll-call of point, attribute, original plane coordinate, former coordinate are parsed
System and purpose coordinate system to be converted, and using purpose coordinate system to be converted to the conversion parameter of original plane coordinate
It is selected, to realize that coordinate is converted.It, will be multiple original if user terminal need to send multiple original plane coordinates and be converted
Two-dimensional assemblage is to be arranged after data segment, and to the server transport sequence of data segments.
Further, after the purpose plane coordinates to feed back to the user terminal described, further includes:
Shutdown instruction is sent to the user terminal, disconnects the connection with the user terminal.
It should be noted that being used after the purpose plane coordinates after conversion is sent to user terminal according to IP address by server
Family end, which receives data, can show or use the coordinate after conversion to user and user equipment, moreover, discharging after the completion of transmission should
IP address.
Two-dimensional assemblage method provided in an embodiment of the present invention based on spatial position, can be by obtaining intersection point number
It determines the coordinate transition region where original plane coordinate, and then obtains the conversion parameter of original plane coordinate, realize to original
The conversion of beginning plane coordinates improves transfer efficiency and accuracy；Connection is established with user terminal, to the original plane coordinate of user terminal
Unified conversion is carried out, transfer efficiency and Information Security are improved；Be widely used in spatial position determination, mobile location-based service,
The fields such as CORS measurement, RTK measurement, communication navigation, mapping, public safety, water conservancy, agriculture and forestry have high scientific research, national defence
And commercial value.
Correspondingly, the present invention also provides a kind of two-dimensional assemblage device based on spatial position, can be realized above-mentioned reality
Apply all processes of the two-dimensional assemblage method based on spatial position in example.
Referring to fig. 4, be the two-dimensional assemblage device provided by the invention based on spatial position one embodiment knot
Structure schematic diagram, comprising:
Receiving module 1, for receiving the original plane coordinate of user terminal transmission；
Conversion parameter obtains module 2, for being with location point of the original plane coordinate on original plane region
Point makees a ray, calculates the intersection point number of the boundary line of the ray and each coordinate transition region one by one, and intersection point is a
Number is conversion parameter of the conversion parameter as the original plane coordinate corresponding to the coordinate transition region of odd number；The coordinate
Transition region is the sub-regions after being divided in the original plane region according to conversion parameter；
Conversion module 3 is converted to the original plane coordinate for the conversion parameter according to the original plane coordinate
Purpose plane coordinates；And
Feedback module 4, for the purpose plane coordinates to be fed back to the user terminal.
Further, as shown in figure 5, conversion parameter acquisition module 2 specifically includes:
Ray acquiring unit 41, for using location point of the original plane coordinate on original plane region as starting point,
Make a ray with the longitudinal axis parallel direction for the coordinate system established on the original plane region；
Selection unit 42, for choosing each coordinate transition region one by one；
Judging unit 43, the seat of two endpoints in each edge boundary line for obtaining selected coordinate transition region one by one
Mark, and judge whether the abscissa of the location point is located between the abscissa of described two endpoints；
Intersection point judging unit 44, for if so, calculate separately boundary line where described two endpoints first slope and
Second slope of the line of the small endpoint of abscissa in the location point and described two endpoints, and the first slope and
The size of second slope, if the first slope is greater than second slope, the ray has with the boundary line
Intersection point, if the first slope is less than second slope, the ray and the boundary line do not have intersection point；
Intersection point recognition unit 45, for if it is not, then the ray and the boundary line do not have intersection point；And
Statistic unit 46, the intersection point number of the boundary line for counting the ray and each coordinate transition region one by one,
And join using conversion parameter corresponding to the coordinate transition region that intersection point number is odd number as the conversion of the original plane coordinate
Number.
Further, the conversion parameter includes translation parameters, scale parameter and rotation angle parameter；The formula of conversion is such as
Under:
Wherein,For the purpose plane coordinates,For the original plane coordinate,For translation ginseng
Number, α are the rotation angle parameter, and m is the scale parameter.
Further, the two-dimensional assemblage device based on spatial position further include:
Link block, the connection request sent for receiving the user terminal, establishes connection with the user terminal.
Further, the two-dimensional assemblage device based on spatial position further include:
Module is disconnected, for sending shutdown instruction to the user terminal, disconnects the connection with the user terminal.
Two-dimensional assemblage device provided in an embodiment of the present invention based on spatial position, can be by obtaining intersection point number
It determines the coordinate transition region where original plane coordinate, and then obtains the conversion parameter of original plane coordinate, realize to original
The conversion of beginning plane coordinates improves transfer efficiency and accuracy；Connection is established with user terminal, to the original plane coordinate of user terminal
Unified conversion is carried out, transfer efficiency and Information Security are improved；Be widely used in spatial position determination, mobile location-based service,
The fields such as CORS measurement, RTK measurement, communication navigation, mapping, public safety, water conservancy, agriculture and forestry have high scientific research, national defence
And commercial value.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (6)
1. a kind of two-dimensional assemblage method based on spatial position characterized by comprising
The connection request that user terminal is sent is received, establishes connection with the user terminal；
Receive the original plane coordinate obtained by positioning device measurement that the user terminal is sent；
Using location point of the original plane coordinate on original plane region as starting point, to be established on the original plane region
The longitudinal axis parallel direction of coordinate system make a ray, calculate the boundary line of the ray and each coordinate transition region one by one
Intersection point number, and using conversion parameter corresponding to the coordinate transition region that intersection point number is odd number as the original plane coordinate
Conversion parameter；The coordinate transition region is a son after being divided in the original plane region according to conversion parameter
Region；
According to the conversion parameter of the original plane coordinate, the original plane coordinate is converted as purpose plane coordinates；
The purpose plane coordinates is fed back into the user terminal, is applied to include at least by the purpose plane coordinates to realize
It is any one or more in spatial position determination, mobile location-based service, communication navigation, CORS measurement or mapping；
Shutdown instruction is sent to the user terminal, disconnects the connection with the user terminal.
2. the two-dimensional assemblage method based on spatial position as described in claim 1, which is characterized in that described with the original
Location point of the beginning plane coordinates on original plane region is that starting point makees a ray, calculates the ray and each coordinate one by one
The intersection point number of the boundary line of transition region, and conversion parameter corresponding to coordinate transition region of the intersection point number for odd number is made
For the conversion parameter of the original plane coordinate, specifically include:
Using location point of the original plane coordinate on original plane region as starting point, to be established on the original plane region
Coordinate system longitudinal axis parallel direction make a ray；
Each coordinate transition region is chosen one by one；
The coordinate of two endpoints in each edge boundary line of selected coordinate transition region is obtained one by one, and judges the location point
Abscissa whether be located between the abscissa of described two endpoints；
If so, the first slope of boundary line where calculating separately described two endpoints and the location point and described two endpoints
Second slope of the line of the small endpoint of middle abscissa, and the size of the first slope and second slope, if institute
First slope is stated greater than second slope, then the ray and the boundary line have intersection point, if the first slope is less than
Second slope, then the ray and the boundary line do not have intersection point；
If it is not, then the ray and the boundary line do not have intersection point；
The intersection point number of the boundary line of the ray and each coordinate transition region is counted one by one, and is odd number by intersection point number
Conversion parameter of the conversion parameter corresponding to coordinate transition region as the original plane coordinate.
3. the two-dimensional assemblage method based on spatial position as claimed in claim 1 or 2, which is characterized in that the conversion
Parameter includes translation parameters, scale parameter and rotation angle parameter；The formula of conversion is as follows:
Wherein,For the purpose plane coordinates,For the original plane coordinate,For the translation parameters, α
For the rotation angle parameter, m is the scale parameter.
4. a kind of two-dimensional assemblage device based on spatial position characterized by comprising
Link block establishes connection with the user terminal for receiving the connection request of user terminal transmission；
Receiving module, the original plane coordinate obtained by positioning device measurement sent for receiving the user terminal；
Conversion parameter obtains module, for using location point of the original plane coordinate on original plane region as starting point, with
The longitudinal axis parallel direction of the coordinate system established on the original plane region makees a ray, calculates the ray and each one by one
The intersection point number of the boundary line of coordinate transition region, and conversion corresponding to coordinate transition region of the intersection point number for odd number is joined
Conversion parameter of the number as the original plane coordinate；The coordinate transition region is by the original plane region according to conversion
Parameter divided after a sub-regions；
Conversion module, for the conversion parameter according to the original plane coordinate, for the purpose of original plane coordinate conversion
Plane coordinates；And
Feedback module, for the purpose plane coordinates to be fed back to the user terminal, to realize the purpose plane coordinates
Applied to include at least spatial position determination, mobile location-based service, communication navigation, CORS measurement or survey and draw in any one or
It is multiple；
Module is disconnected, for sending shutdown instruction to the user terminal, disconnects the connection with the user terminal.
5. the two-dimensional assemblage device based on spatial position as claimed in claim 4, which is characterized in that the conversion parameter
Module is obtained to specifically include:
Ray acquiring unit, for using location point of the original plane coordinate on original plane region as starting point, with described
The longitudinal axis parallel direction for the coordinate system established on original plane region makees a ray；
Selection unit, for choosing each coordinate transition region one by one；
Judging unit, the coordinate of two endpoints in each edge boundary line for obtaining selected coordinate transition region one by one, and
Judge whether the abscissa of the location point is located between the abscissa of described two endpoints；
Intersection point judging unit, for if so, calculating separately the first slope and institute's rheme of described two endpoints places boundary line
Set the second slope of the line of endpoint a little small with abscissa in described two endpoints, and the first slope and described
The size of two slopes, if the first slope is greater than second slope, the ray and the boundary line have intersection point, if
The first slope is less than second slope, then the ray and the boundary line do not have intersection point；
Intersection point recognition unit, for if it is not, then the ray and the boundary line do not have intersection point；And
Statistic unit, the intersection point number of the boundary line for counting the ray and each coordinate transition region one by one, and will hand over
Point number is conversion parameter of the conversion parameter as the original plane coordinate corresponding to the coordinate transition region of odd number.
6. the two-dimensional assemblage device based on spatial position as described in claim 4 or 5, which is characterized in that the conversion
Parameter includes translation parameters, scale parameter and rotation angle parameter；The formula of conversion is as follows:
Wherein,For the purpose plane coordinates,For the original plane coordinate,For the translation parameters, α is
The rotation angle parameter, m are the scale parameter.
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