CN110362644A - Buoy searching method and system based on arbitrary graphic - Google Patents
Buoy searching method and system based on arbitrary graphic Download PDFInfo
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- CN110362644A CN110362644A CN201910502403.9A CN201910502403A CN110362644A CN 110362644 A CN110362644 A CN 110362644A CN 201910502403 A CN201910502403 A CN 201910502403A CN 110362644 A CN110362644 A CN 110362644A
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
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Abstract
The present invention relates to the buoy searching methods based on arbitrary graphic.It describes one kind and searches for floating calibration method based on arbitrary graphic, comprising: draw closed figure on interface；Several pixels are grabbed on the closed figure drawn；These pixels are mapped to coordinate and mapped geographical coordinate is linked to be closed area；And buoy is searched for based on mapped closed area.In the method disclosed in the present, user can search for buoy in oneself interested region by drawing arbitrary graphic.
Description
Technical field
The present invention relates generally to field of computer technology, more particularly to the buoy searching method based on arbitrary graphic and are
System.
Background technique
With the continuous development of science and technology, various monitoring systems reach its maturity.For example, being adopted in marine monitoring system
Being monitored with buoy has the characteristics that distribution is wide, measurement period is long, has become the main means of marine monitoring.In addition,
In atmospheric monitoring system, it can also be monitored using buoy (for example, balloon-sonde).
With the continuous dispensing of new float, buoy data volume is growing.It is emerging how user sense is rapidly and accurately searched out
The buoy of interest is a current problem urgently to be solved.A kind of existing searching method be by input coordinate range (such as through
Latitude scope) determine that rectangle frame scans for.Another searching method is by input keyword (for example, the basis of buoy belongs to
Property, project name, country, buoy type etc.) it scans for.
Current existing searching method can only be scanned for by the region that regular figure determines, or can only be searched for specific
Keyword.But in practical applications, user may want to the buoy searched in interested arbitrary region.For example, user
It is floating within the scope of such as vortex or ocean current to may wish to check that buoy or user in certain state's national boundary may wish to check
Mark, and existing searching method is unable to satisfy the demand of user.Accordingly, there exist can search in the interested arbitrary region of user
Buoy demand.
Summary of the invention
Following present the brief overviews of one or more aspects to provide the basic comprehension to such aspect.This is summarized not
It is the extensive overview of all aspects contemplated, and is both not intended to identify critical or decisive element in all aspects also
The non-range attempted to define in terms of any or all.Its unique purpose is provide one or more aspects in simplified form one
A little concepts are using the preamble as more detailed description given later.
The floating calibration method in the interested arbitrary region of user can be searched for the object of the present invention is to provide one kind.It is this
Method is able to use family and searches for buoy in oneself interested region, without be limited to can only by regular figure determine
Region scans for, or can only be scanned for based on keyword.The detailed process of method provided by the present invention is user's root
The buoy being located in the region defined by the figure is searched for according to the demand input arbitrary graphic of oneself.
It describes a kind of search for and floats calibration method, this method comprises: drawing closed figure on interface；In the envelope drawn
It closes on figure and grabs several pixels；These pixels are mapped to geographical coordinate and mapped geographical coordinate is linked to be closing
Region；And buoy is searched for based on mapped closed area.
Specifically, searching for buoy based on mapped closed area can include: the closed area is obtained by calculation
The set of interior all coordinates, and the set is compared with the geographical coordinate of all buoys in buoyage and is fallen with determination
Buoy in the set.
In one embodiment, this method further comprises initialization interface, which may include being scaled to interface
Scaling appropriate simultaneously makes the interface enter drawing mode for graphing.In one embodiment, the model of scaling
Enclosing can be between 300 to 10000.
In one embodiment, closed figure being drawn on interface can further comprise: the graphing on interface；Judgement
Whether the figure drawn is closed；And in the case where the figure drawn is not closed situation, determine that drawn figure is invalid,
And user is requested to repaint figure.
In one embodiment, it may include grabbing on the figure drawn that several pixels are grabbed on the figure drawn
The pixel of predetermined quantity is taken, predetermined number may range from 20-100.
In one embodiment, closed figure being drawn on interface can further comprise: graphing on the surface；Sentence
Whether disconnected drawn figure is closed；In the case where the figure drawn is not closed situation, the first of drawn figure is judged
Whether the pixel difference between graphical pointv and end graphical pointv is less than a threshold value；And between first graphical pointv and end graphical pointv
Pixel difference be less than the threshold value in the case where, first graphical pointv and an end graphical pointv are connected to form closed figure；First
For pixel difference between graphical pointv and end graphical pointv not less than in the case where the threshold value, the drawn figure of judgement is invalid, and asks
User is asked to repaint figure.In one embodiment, which may range from 3-10 pixel (px).Preferably, the threshold
Value can be 5px.
A kind of buoy search system is also described, which includes: drafting module, is configured at interface
Upper drafting closed figure；Handling module is configured to grab several pixels on the closed figure drawn；Map mould
Block is configured to for these pixels to be mapped to coordinate and mapped geographical coordinate is linked to be closed area；And search
Module is configured to search for buoy based on mapped closed area.
Also describe another buoy search system, comprising: memory；And the processing communicated is in the memory
Device, the processor are configured to: closed figure is drawn on interface；Several pixels are grabbed on the closed figure drawn；
These pixels are mapped to coordinate and mapped geographical coordinate is linked to be closed area；And it is based on mapped enclosed area
Buoy is searched in domain.
In addition, a kind of computer-readable medium for being stored with processor executable code is further described, these processing
Device executable code can be executed by processor to execute following operation: closed figure is drawn on interface；In the closing drawn
Several pixels are grabbed on figure；These pixels are mapped to coordinate and mapped geographical coordinate is linked to be closed area；
And buoy is searched for based on mapped closed area.
There is provided the content of present invention is to introduce some concepts in simplified form, these concepts will be following specific
It is further described in embodiment.The content of present invention is not intended to the key feature for identifying theme claimed or necessary special
Sign, is intended to be used to limit the range of theme claimed.Other aspects, features and/or advantages of each embodiment will
It is set forth in part in the description, and part will be apparent from the description, or can reality through the invention
It tramples to learn.
Brief description
Fig. 1 shows buoyage.
Fig. 2 shows the flow charts according to an embodiment of the invention that buoy is searched for based on arbitrary graphic.
Fig. 3 shows the system according to an embodiment of the invention that buoy is searched for based on arbitrary graphic.
Fig. 4 shows the block diagram of the equipment according to an embodiment of the invention including buoy search system.
Specific embodiment
The specific embodiment illustrated below in conjunction with attached drawing is intended as the description of various configurations, and is not intended to indicate to practice
Concept described herein only configures.Present embodiment includes detail to provide to the thorough of each conception of species
Understand.However, it will be apparent to those skilled in the art that, it is general that these can also be practiced without these details
It reads.
Based on this introduction, those skilled in the art it is to be appreciated that the scope of the present invention is intended to cover any aspect of the invention,
No matter it is mutually realized independently or in combination with any other aspect of the invention.It is, for example, possible to use what is illustrated
Any number of aspect carrys out realization device or practices method.In addition, the scope of the present invention is intended to cover used as being illustrated
It the supplement of various aspects of the invention or different other structures, functionality or structure and functional practices
Such device or method.
Although specific aspects are described herein, the various variants and displacement but in terms of these fall in the scope of the present invention it
It is interior.Although referring to some benefits and advantage of preferred aspect, the scope of the present invention be not intended to be limited to particular benefits,
Purposes or target.Specific embodiment and attached drawing only explain the present invention rather than limiting the invention, and the scope of the present invention is by appended
Claim and its equivalent arrangements define.
Buoy can use in various monitoring systems.It will be made in the context of the present invention with marine monitoring system buoy
For exemplary embodiment.Certainly, should be understood that can also in the other similar monitoring system using buoy by those skilled in the art
To be applicable in the solution of the present invention.
The floating calibration method in the interested arbitrary region of user can be searched for the object of the present invention is to provide one kind.It is this
Method is able to use family and searches for buoy in oneself interested region, without be limited to can only by regular figure determine
Region scans for, or can only be scanned for based on keyword.The detailed process of method provided by the present invention is user's root
The buoy being located in the region defined by the figure is searched for according to the demand input arbitrary graphic of oneself.
Fig. 1 shows buoyage 100.Buoyage refers to be formed and launching a buoy every a distance
Huge real-time monitoring system, these buoys can move freely, and pass all data back system by satellite or other means,
So as to realize large-scale data collection.
For example, oceanic buoy system can be by the oceanographic buoy by Satellite Tracking launched in ocean every thousands of rice
A huge ocean real-time monitoring system is formed, which can collect extra large quickly, accurately, on a large scale
The all data (such as ocean temperature and salt profile) in ocean.Buoy in oceanic buoy system is placed on sea, and energy by cloth
It is enough to adjust drift depth by changing natural buoyancy and freely drift about with ocean current.Buoy in oceanic buoy system, drift about number
After it, automatic dive then floats to sea, and various oceanographic datas are measured in floating-upward process.After floating to sea, float
By various means of communication, receiving station sends observation data to mark to the ground.The database of oceanic buoy system is in addition to being included in drift
Other than the various oceanographic datas measured in the process, further include oceanographic buoy each attribute (such as, but not limited to: project name,
Country, buoy type, buoy real time position, buoy movement track etc.).
As shown in fig. 1, there are three buoy F1, F2, F3 on buoyage 100.Buoy F1 is located at longitude J4, J3 and latitude
It spends in the regular domain that W4, W5 are limited, buoy F2 is located in the regular domain that longitude J3, J2 and latitude W4, W5 are limited, and buoy
F3 is located in the regular domain that longitude J2, J1 and latitude W6, W76 are limited.In the marine monitoring system of the present embodiment, buoy
Coordinate indicated with longitude and latitude, but be not limited to longitude and latitude in other monitoring systems, such as in atmospheric monitoring system, buoy
Coordinate is also possible that elevation information.Buoy can have various primary attributes, including but not limited to: project name, country, type
Deng.
In the situation that rule-based figure scans for, user can input longitude J4, J2, latitude W4, W6 limit one
A regular domain.In this embodiment, there are two buoy F1, F2 altogether in this regular domain.But it existing is based on
The method of longitude and latitude input can only buoy in search rule region.
In the situation scanned for based on keyword, user can search for buoy by cuit title, search for
The buoy arrived keyword having the same.But keyword can only be based on by the searching method for the primary attribute for inputting buoy
It scans for.
In practical applications, user may wish to check that buoy or user in certain state's national boundary may wish to check
Such as the buoy within the scope of vortex or ocean current.For example, user may want to all buoys in frame 102 shown in search graph 1.
It is illustrated below in conjunction with Fig. 2 based on arbitrary graphic and searches for the process of each embodiment of buoy.
Fig. 2 shows the flow charts 200 according to an embodiment of the invention that buoy is searched for based on arbitrary graphic.
The process can be optionally included in frame 210, initialize the interface of buoyage, and buoyage is scaled to fit
When scaling for graphing, while the interface being made to enter drawing mode from zoom mode.Based on different monitoring systems
Different scaling ranges can be used in system.For example, in global ocean monitoring system according to an embodiment of the invention,
The range of scaling appropriate is for example between 300 to 10000.
The process may include that closed figure is drawn on interface in frame 220.In some embodiments, closed figure is drawn
It can further comprise judging whether the figure drawn on interface is closed figure, if the figure drawn is not closed figure,
Then determine that drawn figure is invalid, then procedure request user repaints figure.If the figure drawn is closed figure,
Then the process marches to frame 230.
In one embodiment, user can with mouse on interface graphing to identify oneself interested region,
With mouse for the first time the point pressed for first graphical pointv, hereafter mouse holding point by the basis of move, until mouse up,
The point left is recorded as end graphical pointv.The motion track of the mouse is the figure drawn.In another embodiment, it uses
Family can by finger or writing pencil come graphing to identify oneself interested region, touched for the first time with finger or writing pencil
The point of screen is first graphical pointv, hereafter finger or the writing pencil continuous moving without departing from screen, until finger or
Writing pencil frames out, and records the point left as end graphical pointv.
In one embodiment, in coordinate points number≤2 for the figure drawn (only first graphical pointv or only head
A graphical pointv and end graphical pointv) in the case where, determine that drawn figure is invalid.In another embodiment, it is being drawn
Track have intersection in the case where, determine that drawn figure is invalid.In addition, each section of the direction in the track drawn is consistent
In the case where, that is to say, that in the case where the track drawn is straight line, determine that drawn figure is invalid.
If region defined by is not closed area, for example, in some cases, the first graphical pointv for the figure drawn
There is one section of opening between last graphical pointv, then continues between the first graphical pointv for judging drawn figure and end graphical pointv
Pixel difference whether be less than a certain threshold value.If the pixel difference between first graphical pointv and end graphical pointv is not less than a certain threshold value,
Then determine that drawn figure is invalid, request user repaints.If the pixel difference between first graphical pointv and end graphical pointv
Less than the threshold value, then first graphical pointv and end graphical pointv are connected automatically, and continue the process.In one embodiment, the threshold
Value may range from 3-10 pixel (px).Preferably, which can be 5px.Alternatively, the threshold value can be 8px.
In global ocean monitoring system according to an embodiment of the invention, user can be by clicking map or defeated
Enter longitude and latitude list to limit figure to identify oneself interested region.In some cases, the figure drawn can be
Closed irregular shape.In one embodiment, the figure drawn can be circle.In one embodiment, it is drawn
Figure can be straight line, then determine that drawn figure is invalid figure, and user is requested to repaint figure.
The process may include that several pixels are grabbed on the figure drawn in frame 230.In one embodiment, may be used
20-100 pixel is grabbed on the figure drawn.In a preferred embodiment, it can be grabbed on the figure drawn
50 pixels.
The process may include these pixels being mapped to coordinate, and mapped coordinate is linked to be enclosed area in frame 240
Domain.In one embodiment, by the pixel indicated with pixel coordinate at geographical coordinate.Geographical coordinate can be with latitude, warp
Degree indicates the spherical coordinate of ground point location.In one example, the pixel in interface (plane) is mapped on spherical surface
Geographical coordinate can be realized by various projection patterns, such as, but not limited to isogonism tangent azimuthal projection (spherical surface polar stereographic projection),
Equidistant secant conical projection, equivalance secant conical projection, isogonism secant conical projection, the positive tangent cylindrical projection of isogonism are (also known as black
Kato projection), Gauss Kru&4&ger projection's (transverse elliptic cylindrical equalangle projection), Universal Transverse Mercator Projection (referred to as UTM throw
Shadow).
The process may include judging the difference of longitude and/or latitude between the two neighboring geographical coordinate of mapped in frame 250
Whether difference is less than first threshold.First threshold can be artificial settings or selection.For example, by taking 0.25 degree of grid as an example, the
One threshold value may range from 0.625~0.1875.Preferably, first threshold can be 0.125.
In one embodiment, two mapped geography can arbitrarily be selected to sit in all geographical coordinates of mapped
Mark.If difference of longitude and/or difference of latitude between the two geographical coordinates are less than first threshold, determine drawn figure without
Effect, request user repaint figure.If the difference of longitude and/or difference of latitude between the two neighboring geographical coordinate of mapped be not small
In first threshold, then the process marches to frame 210.
The process may include searching for buoy in mapped closed area in frame 260.It in one embodiment, can be into
The set of all geographical coordinates in closed area is obtained by calculation in one step, and will be all floating in the set and buoyage
Target geographical coordinate is compared to determine the buoy fallen in set.
In a preferred embodiment, the basis for the buoy that user can search out in the region defined by the figure drawn
On continue input keyword carry out binary search.
In a preferred embodiment, user can store drawn figure, in order to later to area defined by the figure
Domain is searched again for.
In some implementations, user can click national boundary or the importer by way of longitude and latitude list on map
Border line, to search all buoys in the border.In some other realization, user can iris out some whirlpool on map
Stream or ocean current, to search for all buoys in the vortex or ocean current.
Fig. 3 shows the system 300 according to an embodiment of the invention that buoy is searched for based on arbitrary graphic.Reference
Fig. 3, system 300 may include drafting module 320, mapping block 330 and search module 340.
In the various embodiments of the invention, drafting module 320 can be configured to draw closed figure on the face.Grab mould
Block 330 can be configured to grab several pixels on the closed figure drawn.Mapping block 340 can be configured to this
A little pixels are mapped to geographical coordinate and mapped geographical coordinate are linked to be closed area.Search module 450 can be configured to
Buoy is searched for based on mapped closed area.
In one embodiment, system 300 can optionally include initialization module 410.Initialization module 410 can
It is configured to initialize interface and the interface is made to enter drawing mode.
Fig. 4 shows the block diagram of the equipment 400 according to an embodiment of the invention including buoy search system.This sets
It is standby to show typical hardware environment, it can the present invention of an exemplary embodiment of the present invention application wherein.
Equipment 400 is described now with reference to Fig. 4, is the example that can be applied to the hardware device of each aspect of the present invention
Property embodiment.Equipment 400 can be configured as any machine for executing processing and/or calculating, and can be but not limited to work
Stand, server, desktop computer, laptop computer, tablet computer, personal digital assistant (PDA), smart phone or its
Any combination.Above system can be realized wholly or at least partially by equipment 400 or similar devices or system.
Equipment 400 may include the member that may be connected via one or more Interface & Bus 402 or communicate with bus 402
Part.For example, equipment 400 may include bus 402, one or more processors 415, one or more input equipment 410, one or
Multiple display equipment 420 and one or more memories 425 etc..
Processor 415 can be any kind of processor, and may include but be not limited to general processor and/or dedicated
Processor (such as specially treated chip), intelligent hardware devices (for example, general processor, DSP, CPU, microcontroller, ASIC,
FPGA, programmable logic device, discrete door or transistor logic component, discrete hardware component, or any combination thereof).?
In some situations, processor 415 can be configured to use Memory Controller to operate memory array.In other situations,
Memory Controller can be integrated into processor 415.Processor 415 can be configured to execute calculating stored in memory
Machine readable instruction is to execute various functions described herein.
Memory 425 can be any storage equipment of achievable data storage.Memory 425 may include but be not limited to magnetic
Disk drive, optical storage apparatus, solid-state memory, floppy disk, floppy disk, hard disk, tape or any other magnetic medium, CD are appointed
What his optical medium, ROM (read-only memory), RAM (random access memory), cache memory and/or it is any its
His memory chip or box, and/or computer can be read from any other medium of data, instruction and/or code.Memory
425, which can store the computer including computer-readable instruction, can be performed software 430, these instructions make processor when executed
Execute various functions described herein.Memory 425 can have for realizing various functions described herein
Various data/commands/codes.
Software 430 can be stored in memory 430, including but not limited to operating system, one or more application program,
Driver and/or other data and code.Instruction to execute various functions described herein can be included in one
Or in multiple application programs, and each unit of above equipment 400 can be read by processor 415 and execute one or more and answered
It is realized with the instruction of program.In some cases, software 430 can be and cannot directly be executed by processor, but can be with
(for example, when being compiled and executing) makes computer execute each function described herein.
Input equipment 445, which can be, can input any kind of equipment of information to equipment is calculated, and may include
But it is not limited to mouse, keyboard, touch screen, microphone, and/or remote controler.
Display equipment 435 can be any kind of picture output device that information can be presented.
The present invention can be well understood in those skilled in the art from above-described embodiment can be necessary hard by having
The software of part or by hardware, firmware etc. are realized.Based on this understanding, the embodiment of the present invention can be partly with soft
Part form is realized.Computer software can store in readable storage medium storing program for executing, such as floppy disk, hard disk, the sudden strain of a muscle of CD or computer
It deposits.Computer software includes series of instructions, so that computer (for example, personal computer, service station or network terminal) executes
The method or part of it of each embodiment according to the present invention.
Wording " exemplary " is used herein to mean that " be used as example, embodiment or explain ".Here depicted as " showing
Any aspect of example property " is not necessarily to be construed as preferred or advantageous over other aspects.
Description before offer be can practice to make any person skilled in the art it is described herein various
Aspect.Various modifications in terms of these will be easy to be understood by those skilled, and general as defined in this article
Suitable principle can be applied to other aspects.Therefore, claim be not intended to be limited to herein shown in aspect, but answer
The full scope consistent with linguistic claim is awarded, wherein removing non-specifically sound to the citation of the singular of element
It is bright, it is otherwise not intended to indicate " one and only one ", but " one or more ".Unless specifically stated otherwise, otherwise term
"some" refer to one or more.The element for the various aspects that the present invention describes in the whole text is that those of ordinary skill in the art are current
Or it is clearly included in this with equivalent scheme functionally by citation in all structures known from now on, and be intended to be wanted by right
It asks and is covered.
Claims (10)
1. one kind searches for floating calibration method based on arbitrary graphic, comprising:
Closed figure is drawn on interface；
Several pixels are grabbed on the closed figure drawn；
The pixel is mapped to geographical coordinate and mapped geographical coordinate is linked to be closed area；And
Buoy is searched for based on mapped closed area.
2. the method as described in claim 1, which is characterized in that it further comprise initializing the interface, the initialization package
It includes and the interface is scaled to scaling appropriate and the interface is made to enter drawing mode for graphing.
3. method according to claim 2, which is characterized in that the range of the scaling is between 300 to 10000.
4. the method as described in claim 1, which is characterized in that draw the closed figure on the interface and further wrap
It includes:
Judge whether drawn figure is closed；And
In the case where the figure drawn is not closed situation, determine that drawn figure is invalid, and user is requested to repaint figure
Shape.
5. the method as described in claim 1, which is characterized in that drawing the closed figure further comprises:
Judge whether drawn figure is closed；
In the case where the figure drawn is not closed situation, judge drawn figure first graphical pointv and end graphical pointv it
Between pixel difference whether less than a threshold value；And
In the case that pixel difference between the first graphical pointv and the end graphical pointv is less than the threshold value, by the head
A graphical pointv and the end graphical pointv are connected to form closed figure；
In the case that pixel difference between the first graphical pointv and the end graphical pointv is not less than the threshold value, institute is determined
The figure of drafting is invalid, and user is requested to repaint figure.
6. the method as described in claim 1, which is characterized in that grab several pixels on the figure drawn and be included in institute
The pixel of predetermined quantity is grabbed on the figure of drafting, the predetermined number is 20-100.
7. the method as described in claim 1, which is characterized in that search for buoy based on mapped closed area and further wrap
It includes: the set of all geographical coordinates in the closed area is obtained by calculation, and will be in the set and buoyage
The geographical coordinate of all buoys is compared to determine the buoy fallen in the set.
8. a kind of buoy search system, comprising:
Drafting module is configured to draw closed figure on interface；
Handling module is configured to grab several pixels on the closed figure drawn；
Mapping block is configured to the pixel being mapped to geographical coordinate and mapped geographical coordinate is linked to be closing
Region；And
Search module is configured to search for buoy based on mapped closed area.
9. a kind of buoy search system, comprising:
Memory；And
It is in the processor communicated with the memory, the processor is configured to execute the side as described in claim 1-7
Method.
10. a kind of computer-readable medium for being stored with processor executable code, the processor executable code can be by
Device is managed to execute to execute the method as described in claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910502403.9A CN110362644A (en) | 2019-06-11 | 2019-06-11 | Buoy searching method and system based on arbitrary graphic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910502403.9A CN110362644A (en) | 2019-06-11 | 2019-06-11 | Buoy searching method and system based on arbitrary graphic |
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| Publication Number | Publication Date |
|---|---|
| CN110362644A true CN110362644A (en) | 2019-10-22 |
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| CN201910502403.9A Pending CN110362644A (en) | 2019-06-11 | 2019-06-11 | Buoy searching method and system based on arbitrary graphic |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102663033A (en) * | 2012-03-23 | 2012-09-12 | 汉海信息技术(上海)有限公司 | Method for searching interest points in designated area of map by hand-drawing way |
| US20170329800A1 (en) * | 2015-01-27 | 2017-11-16 | Splunk, Inc. | Efficient point-in-polygon indexing technique to visualize data points bounded by geometric regions |
| CN109410346A (en) * | 2018-11-01 | 2019-03-01 | 中德（珠海）人工智能研究院有限公司 | A kind of system and method for online editing three-dimensional building model |
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2019
- 2019-06-11 CN CN201910502403.9A patent/CN110362644A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102663033A (en) * | 2012-03-23 | 2012-09-12 | 汉海信息技术(上海)有限公司 | Method for searching interest points in designated area of map by hand-drawing way |
| US20170329800A1 (en) * | 2015-01-27 | 2017-11-16 | Splunk, Inc. | Efficient point-in-polygon indexing technique to visualize data points bounded by geometric regions |
| CN109410346A (en) * | 2018-11-01 | 2019-03-01 | 中德（珠海）人工智能研究院有限公司 | A kind of system and method for online editing three-dimensional building model |
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