CN102938155B - Sector airspace method for drafting and device - Google Patents
Sector airspace method for drafting and device Download PDFInfo
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- CN102938155B CN102938155B CN201210477753.2A CN201210477753A CN102938155B CN 102938155 B CN102938155 B CN 102938155B CN 201210477753 A CN201210477753 A CN 201210477753A CN 102938155 B CN102938155 B CN 102938155B
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Abstract
The invention discloses a kind of sector airspace method for drafting, including the center of circle according to sector airspace latitude and longitude information, play the latitude and longitude information of initial line end points, terminate the latitude and longitude information of limit end points, and the latitude and longitude information of the mouse of display screen display, the position determining the center of circle of sector airspace in the aviation electronics map shown on a display screen respectively, the position playing initial line end points and the position of termination limit end points.And according to the center of circle determined, an initial line end points and the position drafting sector airspace terminating limit end points.Wherein, the latitude and longitude information of mouse is the latitude and longitude information in the place that mouse current position coordinates in display screen is corresponding in aviation electronics map.Method for drafting in the present invention only need to determine the home position of sector airspace in aviation electronics map, plays initial line endpoint location and terminate limit endpoint location, then can complete the drafting of sector airspace according to fan-shaped angle, thus realize rapidity and the accuracy that sector airspace is drawn.
Description
Technical field
The present invention relates to sector region in General Aviation electronic map technique, particularly aviation electronics map draw
Method and device.
Background technology
Real in antiaircraft firing activities such as existing military training, scientific experiment, satellite launch, weather modifications
Shi Zhong, needs to use variously-shaped spatial domain.When antiaircraft firing department carries out antiaircraft firing activity, need to
Blank pipe department carries out the spatial domain that application uses.Blank pipe department when receive antiaircraft firing department spatial domain apply for time,
Corresponding spatial domain need to be carried out program examination and approval.Need to draw spatial domain during program examination and approval fast and accurately, thus improve right
The safety of empty shooting activity, it is ensured that it is efficient, accurate that air control works.
Sector airspace is spatial domain shape conventional in antiaircraft firing activity, existing aviation electronics mapping technology
In, sector airspace carries out planning to be needed to draw by mouse tracking.The concrete method for drafting of its sector airspace
For: first the sector with boundary rectangle is dragged on electronic chart fan-shaped by default by graphical tool hurdle,
Wherein, the center of boundary rectangle is the center of circle that acquiescence is fan-shaped, and fan-shaped radius is given radius.Pass through Mus
Mark drags after giving tacit consent to fan-shaped and find sector airspace to be applied for according to mouse tracking data the coordinate of centre point O
The center of circle that acquiescence is fan-shaped is positioned at centre point O；Then the end points having manually adjusted initial line is initial with given
The coordinate of limit end points overlaps, and the end points terminating limit overlaps with the given coordinate terminating limit end points；Play initial line and end
Only the position on limit i.e. completes the drafting of sector airspace after determining.
But above-mentioned sector airspace is in drawing process, during initial creation, can only substantially create shape and the position of figure
Put, it is impossible to accurately draw；It is loaded down with trivial details that later stage adjusts process, has followed by adjusted initial line as home position determines
With terminate the position on limit, but play initial line and terminate after the position on limit determines that the position in the center of circle may again can be inclined
From original home position, need need to repeatedly to click on and drag boundary rectangle and just can complete the drafting of sector airspace,
So that drawing amount is big and degree of accuracy is low, make troubles to air control drawing, and have can
Mistake can be caused, bring potential safety hazard to airflight.
It is therefore desirable to provide a kind of can Fast Drawing sector airspace and draw the high method of degree of accuracy and dress
Put.
Summary of the invention
Embodiments provide a kind of sector airspace method for drafting and device, at aviation electronics map
In can draw out sector airspace quickly and accurately, it is to avoid existing sector airspace drawing adjusts loaded down with trivial details
And degree of accuracy is low, there is the problems such as the potential safety hazard to airflight due to mistake.
According to an aspect of the invention, it is provided a kind of sector airspace method for drafting, including:
The latitude and longitude information in the center of circle according to described sector airspace, and the longitude and latitude of the mouse of display screen display
Degree information, determines the position in the center of circle of described sector airspace in the aviation electronics map shown on a display screen；
And
According to the latitude and longitude information playing initial line end points of described sector airspace, and the longitude and latitude of the mouse of display
Information, determines the position playing initial line end points of described sector airspace in described aviation electronics map；And
According to the latitude and longitude information terminating limit end points of described sector airspace, and the longitude and latitude of the mouse of display
Information, determines the position terminating limit end points of described sector airspace in described aviation electronics map；
According to the center of circle determined, play initial line end points and terminate the described sector airspace of position drafting of limit end points；
Wherein, the latitude and longitude information of described mouse is that described mouse current position coordinates in display screen is in institute
State the latitude and longitude information in place corresponding in aviation electronics map.
Wherein, in described aviation electronics map, determine the center of circle of described sector airspace, play initial line end points and end
Only the position of limit end points method particularly as follows:
The latitude and longitude information in the center of circle of latitude and longitude information and described sector airspace when the mouse of display screen display
Time identical, if receiving the click event information of mouse, it is determined that the position of click is described sector
Position in described aviation electronics map, the center of circle in spatial domain；
The longitude and latitude playing initial line end points of latitude and longitude information and described sector airspace when the mouse of display screen display
When degree information is identical, if receiving the click event information of mouse, it is determined that the position of click is institute
That states sector airspace plays initial line end points position in described aviation electronics map；
The longitude and latitude terminating limit end points of latitude and longitude information and described sector airspace when the mouse of display screen display
When degree information is identical, if receiving the click event information of mouse, it is determined that the position of click is institute
That states sector airspace terminates limit end points position in described aviation electronics map.
Wherein, according to the center of circle determined, play initial line end points and terminate the described fan-shaped sky of position drafting of limit end points
The method in territory is:
Between the described center of circle and described initial line end points, between the described center of circle and described only limit end points, draw straight line；
Circular arc is drawn between described initial line end points and termination limit end points.
The method for drafting of the circular arc between described initial line end points and termination limit end points is:
With the position in the center of circle that determines for the circular arc center of circle, the position of position to the described center of circle to play initial line end points
Length or a length of radius of position to the position in the described center of circle to terminate limit end points, described initiate
Limit end points is drawn to described termination limit end points.
Wherein, described circular arc by described initial line end points when described termination limit end points is drawn,
If the angle of described sector airspace is less than 180 degree, then described rise initial line end points along clockwise direction to
Described termination limit end points moves；
If the angle of described sector airspace is more than 180 degree, then described rise initial line end points in the counterclockwise direction to
Described termination limit end points moves.
According to another aspect of the present invention, it is provided that a kind of sector airspace drawing apparatus, including:
Position coordinates modular converter, for being converted to mouse current position coordinates in display screen in display
The latitude and longitude information in place corresponding in the aviation electronics map of screen display；
Display module, ground corresponding in the aviation electronics map that described position coordinates modular converter is obtained
The latitude and longitude information of point shows as the latitude and longitude information of mouse；
Home position determines module, for the latitude and longitude information in the center of circle according to described sector airspace, Yi Jixian
Show the latitude and longitude information of the mouse of screen display, the aviation electronics map shown on a display screen determines described
The position in the center of circle of sector airspace；
Play initial line endpoint location and determine module, for determining that module determines described sector at described home position
Behind the position in the center of circle in spatial domain, according to the latitude and longitude information playing initial line end points of described sector airspace, Yi Jixian
The latitude and longitude information of the mouse shown, determine described sector airspace in described aviation electronics map plays initial line end
The position of point；
Terminate limit endpoint location and determine module, for determining that module determines institute at described initial line endpoint location
After stating the position playing initial line end points of sector airspace, according to the longitude and latitude terminating limit end points of described sector airspace
Information, and the latitude and longitude information of the mouse of display, determine described fan-shaped empty in described aviation electronics map
The position terminating limit end points in territory；
At described termination limit endpoint location, sector airspace drafting module, for determining that module determines described sector
Behind the position terminating limit end points in spatial domain, according to the center of circle determined, play initial line end points and terminate the position of limit end points
Put the described sector airspace of drafting.
Wherein, described home position determines that module specifically includes:
The latitude and longitude information acquiring unit in the center of circle, for obtaining the latitude and longitude information in the center of circle of described sector airspace；
Home position determines unit, according to the warp in the center of circle that the latitude and longitude information acquiring unit in the described center of circle obtains
The longitude and latitude in the center of circle of latitude information, the latitude and longitude information of the mouse shown on a display screen and described sector airspace
When degree information is identical, if receiving the click event information of mouse, it is determined that the position of click is institute
State the position in described aviation electronics map, the center of circle of sector airspace.
Described initial line endpoint location determines that module specifically includes:
Play the latitude and longitude information acquiring unit of initial line end points, for obtaining an initial line end points of described sector airspace
Latitude and longitude information；
Play initial line endpoint location and determine unit, obtain according to the latitude and longitude information acquiring unit of described initial line end points
The latitude and longitude information playing initial line end points taken, the latitude and longitude information of the mouse shown on a display screen and described fan
When the latitude and longitude information playing initial line end points in shape spatial domain is identical, if receiving the click event information of mouse, then
Determine that the position of click is an initial line end points of described sector airspace in described aviation electronics map
Position.
Described initial line endpoint location determines that module specifically includes:
Terminate the latitude and longitude information acquiring unit of limit end points, for obtaining the termination limit end points of described sector airspace
Latitude and longitude information；
Terminate limit endpoint location and determine unit, obtain according to the latitude and longitude information acquiring unit of described termination limit end points
The latitude and longitude information terminating limit end points taken, the latitude and longitude information of the mouse shown on a display screen and described fan
When the latitude and longitude information terminating limit end points in shape spatial domain is identical, if receiving the click event information of mouse, then
Determine that the position of click is the termination limit end points of described sector airspace in described aviation electronics map
Position.
Described sector airspace drafting module specifically includes:
Straight line drawing unit, between the described center of circle and described initial line end points, the described center of circle and described
Only draw straight line playing initial line and terminating limit as described sector airspace between the end points of limit respectively；
Arc drafting unit, for drawing initial line and an end of described sector airspace at described straight line drawing unit
Only behind limit, between described initial line end points and termination limit end points, draw circular arc.
As known from the above, the present invention according to the latitude and longitude information in the center of circle of sector airspace to be applied for, play initial line end
The latitude and longitude information of point, the latitude and longitude information of termination limit end points, and the longitude and latitude of the mouse of display screen display
Degree information, the aviation electronics map shown on a display screen determines respectively the center of circle of sector airspace position,
Play the position of initial line end points and terminate the position of limit end points, and according to the center of circle determined, initial line end points and end
Only sector airspace is drawn in the position of limit end points.Owing to the method for drafting in the present invention only need to be at aviation electronics map
Middle determine sector airspace home position, play initial line endpoint location and terminate limit endpoint location, then according to fan
The angle of shape can complete the drafting of sector airspace, thus realizes rapidity and the accuracy that sector airspace is drawn.
Accompanying drawing explanation
Fig. 1 shows the flow chart drawing sector airspace in aviation electronics map；
Fig. 2 shows the structural representation of sector airspace drawing apparatus.
Detailed description of the invention
Below with reference to accompanying drawing, the technical scheme of various embodiments of the present invention is carried out clear, complete description,
Obviously, described embodiment is only the one exemplary embodiment of the present invention rather than whole enforcement
Example.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work
All other embodiments obtained by the premise of, broadly fall into the scope that the present invention is protected.
The main thought of the present invention is: abandon shape and the position first substantially creating figure in electronic chart,
After the method for drafting that repeatedly adjusts.Use the longitude and latitude letter shown in electronic chart according to mouse tracking
Breath directly determines the home position of sector airspace, plays initial line endpoint location and terminate limit endpoint location, then root
Sector airspace is directly drawn according to home position, an initial line endpoint location and the termination limit endpoint location of sector airspace,
Thus realize rapidity and the accuracy that sector airspace is drawn.
Embodiments of the invention provide a kind of method drawing sector airspace in aviation electronics map.It is concrete
Flow process is as it is shown in figure 1, comprise the steps:
S101: determine the position in the center of circle of sector airspace: according to the latitude and longitude information in the center of circle of sector airspace,
And the latitude and longitude information of the mouse of display screen display, in the aviation electronics map shown on a display screen really
Determine the position of the center of circle A of sector airspace.
In the embodiment of the present invention, the confirmation method of the home position of sector airspace is: when display screen display
When the latitude and longitude information of mouse is identical with the latitude and longitude information in the center of circle of sector airspace, if receiving the point of mouse
Hit event information, it is determined that the position of click is the center of circle of sector airspace in aviation electronics map
Position；
The center of circle A of confirmation sector airspace preserves this positional information behind the position in aviation electronics map.
In the present invention, the latitude and longitude information of mouse is that mouse current position coordinates in display screen is at aviation electricity
The latitude and longitude information in place corresponding in sub-map.Owing to mouse is changed at the current position coordinates of display screen
For the latitude and longitude information in place corresponding in aviation electronics map and to be tracked the operation principle of display be this
The known technology of art, therefore here is omitted.
In this step, mouse movement before clicking on is the longitude and latitude in order to search the center of circle with sector airspace
The mouse latitude and longitude information that degree information is consistent, when clicking on the position of center of circle A of mouse confirmation sector airspace and protecting
After depositing, the movement of mouse is then the lookup proceeding by next target.
S102: determine the position playing initial line end points of sector airspace: play initial line end points according to sector airspace
Latitude and longitude information, and the latitude and longitude information of the mouse of display, determine sector airspace in aviation electronics map
Rise initial line terminal B position.
In the embodiment of the present invention, the confirmation method of the position playing initial line end points of sector airspace is: work as display screen
When the latitude and longitude information of the mouse of upper display is identical with the latitude and longitude information playing initial line end points of sector airspace, if
Receive the click event information of mouse, it is determined that the position of click is an initial line end of sector airspace
Point position in aviation electronics map.
This positional information is preserved after confirming an initial line end points position in aviation electronics map of sector airspace.
Meanwhile, move mouse and carry out the lookup of next target.
S103: that draws sector airspace plays initial line AB.
The position of the center of circle A of the sector airspace determined in aviation electronics map and the position of an initial line terminal B
Draw straight line AB between putting, then straight line AB is an initial line AB of sector airspace.
S104: determine the termination limit end points of sector airspace: according to the longitude and latitude terminating limit end points of sector airspace
Information, and the latitude and longitude information of the mouse of display, determine the termination of sector airspace in aviation electronics map
The position of limit end points C.
In the embodiment of the present invention, the confirmation method of the position terminating limit end points of sector airspace is: work as display screen
When the latitude and longitude information of the mouse of upper display is identical with the latitude and longitude information terminating limit end points of sector airspace, if
Receive the click event information of mouse, it is determined that the position of click is the termination limit end of sector airspace
Point position in aviation electronics map.
This positional information is preserved after confirming an initial line end points position in aviation electronics map of sector airspace.
After the positional information of the termination limit end points C preserving sector airspace, mouse target end is searched.
S105: draw the termination limit of sector airspace.
Connect the position of the center of circle A of sector airspace with straight line and terminate the position of limit end points C, determining fan-shaped empty
The termination limit AC in territory also preserves.
Straight line is drawn between the position of the termination limit end points C of the sector airspace determined in aviation electronics map
AC, then straight line AC is the termination limit AC of sector airspace.
S106: draw the circular arc of sector airspace.
In the present embodiment, the method for drafting of circular arc is: with the home position A that determines as the center of circle, to play an initial line
The position of end points is to length AB of the position in the described center of circle or terminates the position to the described center of circle, the position of limit end points
The a length of radius of length AC put, by described, initial line terminal B is drawn to described termination limit end points C.
Wherein,
When the angle of sector airspace, when i.e. playing the initial line AB angle, θ with termination limit AC less than 180 degree, circle
The method for drafting of arc is: with center of circle A as the center of circle, a length of radius of AB or AC, by the end points of initial line
B is rotated clockwise to terminate the end points C on limit.
When the angle, θ playing initial line AB and terminate limit AC is more than 180 degree, the method for drafting of circular arc is: with
Center of circle A is the center of circle, a length of radius of AB or AC, by initial line terminal B counterclockwise forward to terminate limit
End points C.
So far, the region of sector airspace is drawn complete.Drafting by above-mentioned method for drafting Yu existing sector airspace
Method is compared and is understood, the method for drafting in the present invention need not first to create in electronic chart sector shape and
Position, adjusts the most repeatedly, but searches according to mouse latitude and longitude information in aviation electronics map
Determine three positions of sector airspace shape to be applied for, i.e. home position, an initial line endpoint location and termination limit
Endpoint location, then the angle by sector airspace can complete the drafting of sector airspace, thus realizes sector
The rapidity of spatial domain drafting and accuracy.
The embodiment of the present invention additionally provides a kind of sector airspace drawing apparatus.As in figure 2 it is shown, include:
Position coordinates modular converter 201, for being converted to mouse current position coordinates in display screen aobvious
Show the latitude and longitude information in place corresponding in the aviation electronics map of screen display；
Mouse latitude and longitude information display module 202, for the aviation electricity obtained by described position coordinates modular converter
The latitude and longitude information in place corresponding in sub-map shows as the latitude and longitude information of mouse；
Home position determines module 203: for the latitude and longitude information in the center of circle according to described sector airspace, and
The latitude and longitude information of the mouse of display screen display, determines institute in the aviation electronics map shown on a display screen
State the position in the center of circle of sector airspace；
Play initial line endpoint location and determine module 204: for determining that module determines described fan at described home position
Behind the position in the center of circle in shape spatial domain, according to the latitude and longitude information playing initial line end points of described sector airspace, and
The latitude and longitude information of the mouse of display, determine described sector airspace in described aviation electronics map plays initial line
The position of end points；
Terminate limit endpoint location and determine module 205: for determining that module determines at described initial line endpoint location
Behind the position playing initial line end points of described sector airspace, according to the longitude and latitude terminating limit end points of described sector airspace
Degree information, and the latitude and longitude information of the mouse of display, determine described sector in described aviation electronics map
The position terminating limit end points in spatial domain；
Sector airspace drafting module 206: for determining that module determines described fan at described termination limit endpoint location
Behind the position terminating limit end points in shape spatial domain, according to the center of circle determined, play initial line end points and terminate limit end points
Described sector airspace is drawn in position.
Wherein,
Described home position determines that module specifically includes:
The latitude and longitude information acquiring unit in the center of circle, for obtaining the latitude and longitude information in the center of circle of described sector airspace；
Home position determines unit, according to the warp in the center of circle that the latitude and longitude information acquiring unit in the described center of circle obtains
The longitude and latitude in the center of circle of latitude information, the latitude and longitude information of the mouse shown on a display screen and described sector airspace
When degree information is identical, if receiving the click event information of mouse, it is determined that the position of click is institute
State the position in described aviation electronics map, the center of circle of sector airspace.
Described initial line endpoint location determines that module specifically includes:
Play the latitude and longitude information acquiring unit of initial line end points, for obtaining an initial line end points of described sector airspace
Latitude and longitude information；
Play initial line endpoint location and determine unit, obtain according to the latitude and longitude information acquiring unit of described initial line end points
The latitude and longitude information playing initial line end points taken, the latitude and longitude information of the mouse shown on a display screen and described fan
When the latitude and longitude information playing initial line end points in shape spatial domain is identical, if receiving the click event information of mouse, then
Determine that the position of click is an initial line end points of described sector airspace in described aviation electronics map
Position.
Described initial line endpoint location determines that module specifically includes:
Terminate the latitude and longitude information acquiring unit of limit end points, for obtaining the termination limit end points of described sector airspace
Latitude and longitude information；
Terminate limit endpoint location and determine unit, obtain according to the latitude and longitude information acquiring unit of described termination limit end points
The latitude and longitude information terminating limit end points taken, the latitude and longitude information of the mouse shown on a display screen and described fan
When the latitude and longitude information terminating limit end points in shape spatial domain is identical, if receiving the click event information of mouse, then
Determine that the position of click is the termination limit end points of described sector airspace in described aviation electronics map
Position.
Described sector airspace drafting module specifically includes:
Straight line drawing unit, between the described center of circle and described initial line end points, the described center of circle and described
Only draw straight line playing initial line and terminating limit as described sector airspace between the end points of limit respectively；
Arc drafting unit, for drawing initial line and an end of described sector airspace at described straight line drawing unit
Only behind limit, between described initial line end points and termination limit end points, draw circular arc.
One of ordinary skill in the art will appreciate that all or part of step realizing in above-described embodiment method is
Can instruct relevant hardware by program to complete, this program can be stored in an embodied on computer readable and deposit
In storage media, such as: ROM/RAM, magnetic disc, CD etc..
The above is only the preferred embodiment of the present invention, it is noted that common for the art
For technical staff, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications,
These improvements and modifications also should be regarded as protection scope of the present invention.
Claims (6)
1. a sector airspace method for drafting, including:
The latitude and longitude information in the center of circle according to described sector airspace, and the longitude and latitude of the mouse of display screen display
Degree information, determines the position in the center of circle of described sector airspace in the aviation electronics map shown on a display screen；
And
According to the latitude and longitude information playing initial line end points of described sector airspace, and the longitude and latitude of the mouse of display
Information, determines the position playing initial line end points of described sector airspace in described aviation electronics map；And
According to the latitude and longitude information terminating limit end points of described sector airspace, and the longitude and latitude of the mouse of display
Information, determines the position terminating limit end points of described sector airspace in described aviation electronics map；
According to the center of circle determined, play initial line end points and terminate the described sector airspace of position drafting of limit end points；
Wherein, the latitude and longitude information of described mouse is that described mouse current position coordinates in display screen is in institute
State the latitude and longitude information in place corresponding in aviation electronics map；
In described aviation electronics map, determine the center of circle of described sector airspace, play initial line end points and terminate limit end
Point position method particularly as follows:
The latitude and longitude information in the center of circle of latitude and longitude information and described sector airspace when the mouse of display screen display
Time identical, if receiving the click event information of mouse, it is determined that the position of click is described sector
Position in described aviation electronics map, the center of circle in spatial domain；
The longitude and latitude playing initial line end points of latitude and longitude information and described sector airspace when the mouse of display screen display
When degree information is identical, if receiving the click event information of mouse, it is determined that the position of click is institute
That states sector airspace plays initial line end points position in described aviation electronics map；
The longitude and latitude terminating limit end points of latitude and longitude information and described sector airspace when the mouse of display screen display
When degree information is identical, if receiving the click event information of mouse, it is determined that the position of click is institute
That states sector airspace terminates limit end points position in described aviation electronics map.
2. the method for claim 1, it is characterised in that according to the center of circle determined, play initial line end points
The method drawing described sector airspace with the position terminating limit end points is:
Draw straight between the described center of circle and described initial line end points, between the described center of circle and described termination limit end points
Line；
Circular arc is drawn between described initial line end points and termination limit end points.
3. method as claimed in claim 2, it is characterised in that described initial line end points and termination limit end points
Between the method for drafting of circular arc be:
With the position in the center of circle that determines for the circular arc center of circle, the position of position to the described center of circle to play initial line end points
Length or a length of radius of position to the position in the described center of circle to terminate limit end points, described initiate
Limit end points is drawn to described termination limit end points.
4. method as claimed in claim 3, it is characterised in that described circular arc by described initial line end points to
When described termination limit end points is drawn,
If the angle of described sector airspace is less than 180 degree, then described rise initial line end points along clockwise direction to
Described termination limit end points moves；
If the angle of described sector airspace is more than 180 degree, then described rise initial line end points in the counterclockwise direction to
Described termination limit end points moves.
5. a sector airspace drawing apparatus, it is characterised in that including:
Position coordinates modular converter, for being converted to mouse current position coordinates in display screen in display
The latitude and longitude information in place corresponding in the aviation electronics map of screen display；
Display module, ground corresponding in the aviation electronics map that described position coordinates modular converter is obtained
The latitude and longitude information of point shows as the latitude and longitude information of mouse；
Home position determines module, for the latitude and longitude information in the center of circle according to described sector airspace, Yi Jixian
Show the latitude and longitude information of the mouse of screen display, the aviation electronics map shown on a display screen determines described
The position in the center of circle of sector airspace；
Play initial line endpoint location and determine module, for determining that module determines described sector at described home position
Behind the position in the center of circle in spatial domain, according to the latitude and longitude information playing initial line end points of described sector airspace, Yi Jixian
The latitude and longitude information of the mouse shown, determine described sector airspace in described aviation electronics map plays initial line end
The position of point；
Terminate limit endpoint location and determine module, for determining that module determines institute at described initial line endpoint location
After stating the position playing initial line end points of sector airspace, according to the longitude and latitude terminating limit end points of described sector airspace
Information, and the latitude and longitude information of the mouse of display, determine described fan-shaped empty in described aviation electronics map
The position terminating limit end points in territory；
At described termination limit endpoint location, sector airspace drafting module, for determining that module determines described sector
Behind the position terminating limit end points in spatial domain, according to the center of circle determined, play initial line end points and terminate the position of limit end points
Put the described sector airspace of drafting；
Wherein, described home position determines that module specifically includes: the latitude and longitude information acquiring unit in the center of circle, uses
Latitude and longitude information in the center of circle obtaining described sector airspace；Home position determines unit, according to the described center of circle
The latitude and longitude information in the center of circle that obtains of latitude and longitude information acquiring unit, the warp of the mouse shown on a display screen
When latitude information is identical with the latitude and longitude information in the center of circle of described sector airspace, if receiving the click thing of mouse
Part information, it is determined that the position of click is the center of circle of described sector airspace at described aviation electronics map
In position；
Described initial line endpoint location determines that module specifically includes: the latitude and longitude information playing initial line end points obtains single
Unit, for obtaining the latitude and longitude information playing initial line end points of described sector airspace；Play initial line endpoint location to determine
Unit, the longitude and latitude playing initial line end points obtained according to the latitude and longitude information acquiring unit of described initial line end points
The warp playing initial line end points of information, the latitude and longitude information of the mouse shown on a display screen and described sector airspace
When latitude information is identical, if receiving the click event information of mouse, it is determined that the position of click is
An initial line end points position in described aviation electronics map of described sector airspace；
Described termination limit endpoint location determines that module specifically includes: the latitude and longitude information terminating limit end points obtains single
Unit, for obtaining the latitude and longitude information terminating limit end points of described sector airspace；Terminate limit endpoint location to determine
Unit, the longitude and latitude terminating limit end points obtained according to the latitude and longitude information acquiring unit of described termination limit end points
The warp terminating limit end points of information, the latitude and longitude information of the mouse shown on a display screen and described sector airspace
When latitude information is identical, if receiving the click event information of mouse, it is determined that the position of click is
The termination limit end points of described sector airspace position in described aviation electronics map.
Device the most according to claim 5, it is characterised in that described sector airspace drafting module is concrete
Including:
Straight line drawing unit, between the described center of circle and described initial line end points, the described center of circle and described
Terminate between the end points of limit, drawing straight line playing initial line and terminating limit as described sector airspace respectively；
Arc drafting unit, for drawing initial line and an end of described sector airspace at described straight line drawing unit
Only behind limit, between described initial line end points and termination limit end points, draw circular arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210477753.2A CN102938155B (en) | 2012-11-21 | 2012-11-21 | Sector airspace method for drafting and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210477753.2A CN102938155B (en) | 2012-11-21 | 2012-11-21 | Sector airspace method for drafting and device |
Publications (2)
| Publication Number | Publication Date |
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| CN102938155A CN102938155A (en) | 2013-02-20 |
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| CN111583361A (en) * | 2020-06-04 | 2020-08-25 | 长沙景嘉微电子股份有限公司 | Method and device for generating circular ring graph, computer storage medium and electronic equipment |
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