CN106155683A - Electronic chart point position polymerization and service terminal device - Google Patents
Electronic chart point position polymerization and service terminal device Download PDFInfo
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- CN106155683A CN106155683A CN201610488915.0A CN201610488915A CN106155683A CN 106155683 A CN106155683 A CN 106155683A CN 201610488915 A CN201610488915 A CN 201610488915A CN 106155683 A CN106155683 A CN 106155683A
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- G—PHYSICS
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- G06F8/20—Software design
- G06F8/22—Procedural
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
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Abstract
The present invention provides a kind of reliable and stable, electronic chart point position polymerization that Consumer's Experience is good and service terminal device.The electronic chart point position polymerization of the present invention includes: service end receives point coordinates set to be polymerized and the aggregating algorithm parameter that client sends；Service end, according to point coordinates set to be polymerized and aggregating algorithm parameter, uses aggregating algorithm to be calculated congruent point coordinate set；Congruent point coordinate set is sent to client by service end.
Description
Technical field
The present invention relates to computer and software technology field thereof, particularly a kind of electronic chart point position polymerization with
And service terminal device.
Background technology
Electronic chart generally represents the geographical position in a real space with a geometric point, this geometric point
Do geo point position or some position key element, be called for short some position.Certain region usually comprises thousands of some positions.If will be all
Some position directly display out, these some positions can override map base map, electronic chart is the most numerous and disorderly to allow user feel.Therefore need
Multiple common some positions are aggregated into a representational congruent point position, is then shown to representational congruent point position use
Family.
Major part electronic chart manufacturer is each provided with the map application DLL API comprising a polymerizable functional at present
(Application Programming Interface), they are substantially all and have employed JavaScript language and realize.By
It is a kind of front end language technology in JavaScript, therefore in the case of facing large number of some position key element (such as million
Order of magnitude point position key element), the amount of calculation of aggregating algorithm is the hugest, causes the biggest bearing can to front end (typically browser)
Lotus, it is possible to cause collapse or card, the less stable of system of front end, had a strong impact on Consumer's Experience.
Summary of the invention
In view of this, the present invention provide a kind of reliable and stable, electronic chart point position polymerization that Consumer's Experience is good with
And service terminal device.
For achieving the above object, according to an aspect of the invention, it is provided a kind of electronic chart point position polymerization.
The electronic chart point position polymerization of the present invention includes: service end receives the point coordinates collection to be polymerized that client sends
Close and aggregating algorithm parameter；Described service end, according to described point coordinates set to be polymerized and aggregating algorithm parameter, uses polymerization to calculate
Method is calculated congruent point coordinate set；Described congruent point coordinate set is sent to described client by described service end.
Alternatively, described aggregating algorithm is some position based on grid and distance aggregating algorithm.
Alternatively, described aggregating algorithm parameter includes coordinate type, also includes following one or more: congruent point shows
Pattern, maximum polymerization display level, minimum congruent point quantity, outsourcing square dimensions.
Alternatively, the step that described congruent point coordinate set is sent to described client is included by described service end: described
Described congruent point coordinate set is sent to described client with json formatted data by service end.
Alternatively, in described service end according to described point coordinates set to be polymerized and aggregating algorithm parameter, polymerization is used to calculate
After method is calculated the step of congruent point coordinate set, also include: calculate in described congruent point coordinate set respectively each
Original to be polymerized the quantity that congruent point is corresponding；If original to be polymerized the quantity that described congruent point is corresponding is minimum poly-less than described
Chalaza quantity, then delete this congruent point from described congruent point coordinate set, and all original treats corresponding for this congruent point
Congruent point adds in described congruent point coordinate set.
According to a further aspect in the invention, it is provided that a kind of electronic chart point position aggregated service end device.
The electronic chart point position aggregated service end device of the present invention includes: receiver module, for receiving what client sent
Point coordinates set to be polymerized and aggregating algorithm parameter；Computing module, for calculating according to described point coordinates set to be polymerized and polymerization
Method parameter, uses aggregating algorithm to be calculated congruent point coordinate set；Sending module, for sending out described congruent point coordinate set
Give described client.
Alternatively, described aggregating algorithm is some position based on grid and distance aggregating algorithm.
Alternatively, described aggregating algorithm parameter includes coordinate type, also includes following one or more: congruent point shows
Pattern, maximum polymerization display level, minimum congruent point quantity, outsourcing square dimensions.
Alternatively, described sending module is additionally operable to: with json formatted data, described congruent point coordinate set is sent to institute
State client.
Alternatively, described computing module is additionally operable to: calculate each congruent point pair in described congruent point coordinate set respectively
Original to be polymerized the quantity answered；If original to be polymerized the quantity that described congruent point is corresponding is counted less than described minimum polymerization
Amount, then delete this congruent point from described congruent point coordinate set, and by point all original to be polymerized corresponding for this congruent point
Add in described congruent point coordinate set.
According to technical scheme, use rear end operation reserve, a position aminated polyepichlorohydrin is turned from the client on foreground
Move on in the service end on backstage, it is possible to promote operation efficiency and stability, thus promote Consumer's Experience.
Accompanying drawing explanation
Accompanying drawing is used for being more fully understood that the present invention, does not constitute inappropriate limitation of the present invention.Wherein:
Fig. 1 is the schematic diagram of the key step of the electronic chart point position polymerization according to embodiment of the present invention；
Fig. 2 is the signal of the main modular of the electronic chart point position aggregated service end device according to embodiment of the present invention
Figure；
Fig. 3 is the work process schematic diagram of the electronic chart point position aggregated service end device according to embodiment of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the exemplary embodiment of the present invention is explained, including embodiment of the present invention
Various details are to help understanding, it should they are thought the most exemplary.Therefore, those of ordinary skill in the art should recognize
Knowledge is arrived, and embodiment described herein can be made various changes and modifications, without departing from scope and spirit of the present invention.
Equally, for clarity and conciseness, description below eliminates the description to known function and structure.
Fig. 1 is the schematic diagram of the key step of the electronic chart point position polymerization according to embodiment of the present invention.Such as Fig. 1
Shown in, the electronic chart point position polymerization of embodiment of the present invention can mainly include that steps A is to step C.
Step A: service end receives point coordinates set to be polymerized and the aggregating algorithm parameter that client sends.
Wherein, the element of point coordinates set to be polymerized is exactly the coordinate data of each electronic chart point position to be polymerized.Poly-
Hop algorithm parameter can include coordinate type, also includes following one or more: congruent point display pattern, maximum polymerization display
Rank, minimum congruent point quantity, outsourcing square dimensions.It should be noted that the particular content of aggregating algorithm parameter can root
Arrange flexibly according to concrete aggregating algorithm type.Such as " outsourcing square dimensions " this parameter apply to based on grid and
The point position aggregating algorithm of distance.The lexical or textual analysis of " outsourcing square dimensions " parameter is as follows: point-rendering outsourcing centered by certain is put
Square, the foursquare size of this outsourcing is exactly " outsourcing square dimensions ".
Step B: service end, according to point coordinates set to be polymerized and aggregating algorithm parameter, uses aggregating algorithm to be calculated poly-
Chalaza coordinate set.It should be noted that in step B when using different types of aggregating algorithm, correspondingly, in step A
Service end receives different types of aggregating algorithm parameter.
Specifically, aggregating algorithm can be that some position based on grid and distance aggregating algorithm calculates.Based on grid and distance
Some position aggregating algorithm technology maturation, it is possible to take into account result of calculation accuracy rate and computational efficiency.
It addition, aggregating algorithm can also be some position aggregating algorithm based on grid, some position aggregating algorithm based on distance or
Person's other kinds of some position aggregating algorithm.It is specifically described as follows: (a) point based on grid position aggregating algorithm: map partitioning is become
The foursquare grid (the corresponding various sizes of grid of each level of zoom) of pre-set dimension, then will fall in corresponding grid
Point is aggregated to the center of this grid, with the center point of grid for display congruent point.B () point based on distance position is polymerized
Algorithm: be i.e. polymerized according to the distance of point-to-point transmission, to each some iterative computation, if the distance of iteration point is at certain congruent point
Specified threshold in the range of, then be aggregated to this congruent point, otherwise create new congruent point.
Step C: congruent point coordinate set is sent to client by service end.
Specifically, congruent point coordinate set can be sent to client with json formatted data by service end.Json form
Data have the advantages such as highly versatile.
Electronic chart point position polymerization according to embodiment of the present invention, between step B and step C, it is also possible to bag
Include following steps: calculate original to be polymerized the quantity that each congruent point in congruent point coordinate set is corresponding respectively；If polymerization
Original to be polymerized the quantity that point is corresponding is less than minimum congruent point quantity, then delete this congruent point from congruent point coordinate set,
And by addition congruent point coordinate set all original to be polymerized corresponding for this congruent point.The electricity of this embodiment of the present invention
In the polymerization of sub-point map position, screen out the congruent point that polymerization original point bit quantity is the most up to standard, optimized polymerization result.
The electronic chart point position polymerization of embodiment of the present invention can realize based on JAVA language.Select JAVA language
Main reason is that of speech:
(1) JAVA language has professional platform independence and portability, as long as can install JAVA virtual machine in different platform
Can run, motility is high, applied widely.
(2) JAVA language can realize distributed deployment so that originally can only be calculated by the polymerization that a machine is carried out
It is distributed to multiple stage machine calculate up.So on the one hand, the pressure of single service end can be alleviated, on the other hand also improve fortune
Calculate efficiency, thus improve the response efficiency that polymerization result is shown, promote Consumer's Experience.
(3) due to JAVA language not supporting pointer, the access of internal memory all must be come by all by the instance variable of object
Realize, thus preferably prevent the invasion of some wooden horses, it is to avoid the mistake easily produced in pointer operation, therefore use
JAVA language can make the some position polymerization of embodiment of the present invention run with security and stability.
Fig. 2 is the signal of the main modular of the electronic chart point position aggregated service end device according to embodiment of the present invention
Figure.As in figure 2 it is shown, the some position aggregated service end device 20 of embodiment of the present invention includes: receiver module 21, computing module 22 and
Sending module 23.Wherein: receiver module 21 is for receiving point coordinates set to be polymerized and the aggregating algorithm parameter of client transmission.
Computing module 22, for according to point coordinates set to be polymerized and aggregating algorithm parameter, uses aggregating algorithm to obtain congruent point coordinate set
Close.Sending module 23 is for being sent to client by congruent point coordinate set.
Aggregating algorithm can be some position based on grid and distance aggregating algorithm.Point position based on grid and distance polymerization is calculated
Law technology is ripe, it is possible to take into account result of calculation accuracy rate and computational efficiency.It addition, aggregating algorithm can also be point based on grid
Position aggregating algorithm, some position aggregating algorithm based on distance or other kinds of some position aggregating algorithm.
Aggregating algorithm parameter can include coordinate type, also includes following one or more: congruent point display pattern,
It is polymerized greatly display level, minimum congruent point quantity, outsourcing square dimensions.
Sending module 23 can be also used for json formatted data, congruent point coordinate set is sent to client.Json lattice
Formula data have the advantages such as highly versatile.
Computing module 22 can be also used for: calculates corresponding original of each congruent point in congruent point coordinate set respectively and treats
Congruent point quantity；If original to be polymerized the quantity that congruent point is corresponding is less than minimum congruent point quantity, then from congruent point coordinate set
Conjunction is deleted this congruent point, and by addition congruent point coordinate set all original to be polymerized corresponding for this congruent point.Should
In the electronic chart point position aggregated service end device of embodiment of the present invention, screen out the most up to standard the gathering of polymerization original point bit quantity
Chalaza, optimizes polymerization result.
According to technical scheme, use rear end operation reserve, a position aminated polyepichlorohydrin is turned from the client on foreground
Move on in the service end on backstage, it is possible to promote operation efficiency and stability, thus promote Consumer's Experience.
For making those skilled in the art be more fully understood that present disclosure, retouch in detail below in conjunction with specific embodiment
State.
Fig. 3 is the work process schematic diagram of the some position aggregated service end device according to embodiment of the present invention.
First, the some position aggregated service end device of this embodiment receives some input item data.These input items include
Parameter to be used in point coordinates set to be polymerized and some aggregating algorithms.These parameters are specifically described as follows:
(1) coordinate type (mandatory parameter): currently used more electronic chart is respectively Baidu's map and Google Maps, because of
This supports that the coordinate data of both map styles calculates.
(2) congruent point display pattern (optional parameters): refer to display location mould when congruent point is finally presented on the page
Formula.That can the display location of congruent point be elected as representated by this congruent point is multiple by the barycenter of congruent point, it is also possible to elect this as
Multiple representated by congruent point by first in congruent point by congruent point.Default setting is for selecting first by congruent point.
(3) maximum polymerization display level (optional parameters): user can arrange the maximum polymerization display level of electronic chart,
Just it is polymerized the most accordingly more than this rank.Default value is 18 grades.
(4) minimum congruent point quantity (optional parameters): user can arrange minimum congruent point quantity, less than this quantity
Converging operationJu Hecaozuo can not be carried out.Default value is 2 points.
(5) outsourcing square dimensions (optional parameters): user can arrange the size of the grid of the outsourcing in aggregating algorithm
Size.Default value is 100 × 100 pixels.
Then, calculate according to some aggregating algorithm based on grid and distance based on above input item.Specifically, i.e.
The each point of iteration, draws its outsourcing square according to outsourcing square dimensions, if the outsourcing square not phase between two points
Hand over, then the two o'clock is respectively as a congruent point, if intersected, then in the congruent point before being aggregated to, intersects if multiple,
Then computed range, is aggregated on nearest congruent point.So circulation, until all of point to be polymerized all travels through complete.Need
Bright, during calculating, some position aggregated service end device can first according to the coordinate type of input to different coordinate classes
Type data are changed, and calculate the most again.Middle entry can be obtained through calculating, this middle entry i.e. preliminary polymerization result,
Including congruent point coordinate set and congruent point magnitude-set, the wherein element in congruent point coordinate set and congruent point magnitude-set
In element one_to_one corresponding.Such as, the coordinate of congruent point coordinate set A={ congruent point 1, the coordinate of congruent point 2 ... polymerization
The coordinate of some n }, the quantity of the original point representated by congruent point magnitude-set B={ congruent point 1, original representated by congruent point 2
The quantity of point ... the quantity of the original point representated by congruent point n }.Then aggregation point coordinates set further, it may be assumed that
In the congruent point coordinate set tentatively obtained, if the quantity of the point original to be polymerized representated by certain congruent point is poly-less than minimum
Chalaza quantity, then delete this congruent point the most up to standard, and by the point original to be polymerized corresponding to this congruent point so that " each is former
Initial point position is as the element of a set " join in congruent point coordinate set.
Finally, output optimizes post polymerization point coordinates set.It should be noted that output item can also be attached some other
Attribute information, it is simple to other map operation can be carried out during a single point location.
Test proves, the some position aggregated service end of the embodiment of the present invention can put the height of position key element polymerization more than million grades
Effect stable operation, compatible preferable, can cross-platform use.It can reduce browser load, it is possible to acceleration point polymerization result exhibition
Show process, thus promote Consumer's Experience,
Above-mentioned detailed description of the invention, is not intended that limiting the scope of the invention.Those skilled in the art should be bright
White, depend on that design requires and other factors, various amendment, combination, sub-portfolio and replacement can occur.Any
Amendment, equivalent and the improvement etc. made within the spirit and principles in the present invention, should be included in scope
Within.
Claims (10)
1. an electronic chart point position polymerization, it is characterised in that including:
Service end receives point coordinates set to be polymerized and the aggregating algorithm parameter that client sends；
Described service end, according to described point coordinates set to be polymerized and aggregating algorithm parameter, uses aggregating algorithm to be calculated polymerization
Point coordinates set；
Described congruent point coordinate set is sent to described client by described service end.
Electronic chart point position the most according to claim 1 polymerization, it is characterised in that described aggregating algorithm is based on side
The point position aggregating algorithm of lattice and distance.
Electronic chart point position the most according to claim 1 polymerization, it is characterised in that described aggregating algorithm parameter includes
Coordinate type, also includes following one or more: congruent point display pattern, maximum polymerization display level, minimum polymerization are counted
Amount, outsourcing square dimensions.
Electronic chart point position the most according to claim 1 polymerization, it is characterised in that described service end is by described polymerization
Point coordinates set is sent to the step of described client and includes:
Described congruent point coordinate set is sent to described client with json formatted data by described service end.
Electronic chart point position the most according to claim 3 polymerization, it is characterised in that in described service end according to described
Point coordinates set to be polymerized and aggregating algorithm parameter, after using aggregating algorithm to be calculated the step of congruent point coordinate set,
Also include:
Calculate original to be polymerized the quantity that each congruent point in described congruent point coordinate set is corresponding respectively；
If original to be polymerized the quantity that described congruent point is corresponding is less than described minimum congruent point quantity, then sit from described congruent point
Mark set is deleted this congruent point, and by the described congruent point coordinate set of addition all original to be polymerized corresponding for this congruent point
In conjunction.
6. an electronic chart point position aggregated service end device, it is characterised in that including:
Receiver module, for receiving point coordinates set to be polymerized and the aggregating algorithm parameter that client sends；
Computing module, for according to described point coordinates set to be polymerized and aggregating algorithm parameter, uses aggregating algorithm to be calculated
Congruent point coordinate set；
Sending module, for being sent to described client by described congruent point coordinate set.
Electronic chart point position the most according to claim 6 aggregated service end device, it is characterised in that described aggregating algorithm is
Point position based on grid and distance aggregating algorithm.
Electronic chart point position the most according to claim 6 aggregated service end device, it is characterised in that described aggregating algorithm is joined
Number includes coordinate type, also includes following one or more: congruent point display pattern, maximum polymerization display level, minimum poly-
Chalaza quantity, outsourcing square dimensions.
Electronic chart point position the most according to claim 6 aggregated service end device, it is characterised in that described sending module is also
For: described congruent point coordinate set is sent to described client with json formatted data.
Electronic chart point position the most according to claim 8 aggregated service end device, it is characterised in that described computing module
It is additionally operable to:
Calculate original to be polymerized the quantity that each congruent point in described congruent point coordinate set is corresponding respectively；
If original to be polymerized the quantity that described congruent point is corresponding is less than described minimum congruent point quantity, then sit from described congruent point
Mark set is deleted this congruent point, and by the described congruent point coordinate set of addition all original to be polymerized corresponding for this congruent point
In conjunction.
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Cited By (11)
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|---|---|---|---|---|
| CN107145595A (en) * | 2017-05-27 | 2017-09-08 | 南京英斯特网络科技有限公司 | A kind of mass data aggregation display method based on map |
| CN107391137A (en) * | 2017-07-21 | 2017-11-24 | 北京三快在线科技有限公司 | Display method for electronic map, device and system |
| CN108090701A (en) * | 2018-01-10 | 2018-05-29 | 广东电网有限责任公司珠海供电局 | A kind of field work safe risk management and control method based on geography information polymerization |
| CN109241213A (en) * | 2018-07-26 | 2019-01-18 | 汉华易美（天津）图像技术有限公司 | A kind of electronic map point polymerization and device |
| CN110019622A (en) * | 2017-12-14 | 2019-07-16 | 浙江宇视科技有限公司 | A kind of real time mass map point polymerization and device |
| CN110740160A (en) * | 2019-08-29 | 2020-01-31 | 武汉烽火众智数字技术有限责任公司 | multi-source data map meshing and data state real-time pushing system |
| CN111090712A (en) * | 2019-12-17 | 2020-05-01 | 国汽(北京)智能网联汽车研究院有限公司 | Data processing method, device and equipment and computer storage medium |
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|---|---|---|---|---|
| CN107145595A (en) * | 2017-05-27 | 2017-09-08 | 南京英斯特网络科技有限公司 | A kind of mass data aggregation display method based on map |
| CN107391137A (en) * | 2017-07-21 | 2017-11-24 | 北京三快在线科技有限公司 | Display method for electronic map, device and system |
| CN107391137B (en) * | 2017-07-21 | 2018-11-09 | 北京三快在线科技有限公司 | Display method for electronic map, device and system |
| CN110019622A (en) * | 2017-12-14 | 2019-07-16 | 浙江宇视科技有限公司 | A kind of real time mass map point polymerization and device |
| CN108090701A (en) * | 2018-01-10 | 2018-05-29 | 广东电网有限责任公司珠海供电局 | A kind of field work safe risk management and control method based on geography information polymerization |
| CN109241213B (en) * | 2018-07-26 | 2021-08-06 | 汉华易美（天津）图像技术有限公司 | Electronic map point location aggregation method and device |
| CN109241213A (en) * | 2018-07-26 | 2019-01-18 | 汉华易美（天津）图像技术有限公司 | A kind of electronic map point polymerization and device |
| CN110740160A (en) * | 2019-08-29 | 2020-01-31 | 武汉烽火众智数字技术有限责任公司 | multi-source data map meshing and data state real-time pushing system |
| CN111090712A (en) * | 2019-12-17 | 2020-05-01 | 国汽(北京)智能网联汽车研究院有限公司 | Data processing method, device and equipment and computer storage medium |
| CN111090712B (en) * | 2019-12-17 | 2024-07-12 | 国汽(北京)智能网联汽车研究院有限公司 | Data processing method, device, equipment and computer storage medium |
| CN115063520A (en) * | 2022-08-15 | 2022-09-16 | 武汉智景可视科技有限公司 | Three-dimensional GIS (geographic information System) -based visual rendering method and system for Internet of things equipment |
| CN115063520B (en) * | 2022-08-15 | 2022-11-29 | 武汉智景可视科技有限公司 | Three-dimensional GIS (geographic information System) -based visual rendering method and system for Internet of things equipment |
| CN115905451A (en) * | 2023-02-28 | 2023-04-04 | 菲特（天津）检测技术有限公司 | Map aggregation system and method |
| CN117539971A (en) * | 2024-01-10 | 2024-02-09 | 深圳市易甲文技术有限公司 | Massive geographic coordinate aggregation method and related equipment |
| CN117539971B (en) * | 2024-01-10 | 2024-04-26 | 深圳市易甲文技术有限公司 | Massive geographic coordinate aggregation method and related equipment |
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Application publication date: 20161123 |