CN106802961A - Meteorological managing device, method and computer system based on plot - Google Patents
Meteorological managing device, method and computer system based on plot Download PDFInfo
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- CN106802961A CN106802961A CN201710082064.4A CN201710082064A CN106802961A CN 106802961 A CN106802961 A CN 106802961A CN 201710082064 A CN201710082064 A CN 201710082064A CN 106802961 A CN106802961 A CN 106802961A
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- G—PHYSICS
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- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
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- G06F16/2458—Special types of queries, e.g. statistical queries, fuzzy queries or distributed queries
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Abstract
The present invention relates to agriculture meteorological service field, in order to solve the problems, such as that current agricultural weather data management system response speed is slow, need very big memory space, the invention provides a kind of meteorological managing device based on plot, method and computer system, including acquiring unit, memory cell, determining unit, generation unit, query unit and returning unit;Acquiring unit is connected with memory cell;Memory cell is connected with determining unit;Determining unit is connected with generation unit;Generation unit is connected with query unit;Query unit is connected with returning unit, if the space point coordinates of user input has hit rectangular area, is inquired about in the meteorological data table of plot;Otherwise, inquired about in conventional data table;Returning unit is used to for Query Result to return to user.Fast response time of the present invention, using flexibly convenient, allows users to quick search to the fine meteorological data in plot, improves Consumer's Experience, and reduces memory space, does not lose versatility.
Description
Technical field
The present invention relates to agriculture meteorological service field, and in particular to a kind of meteorological managing device based on plot, method and
Computer system.
Background technology
The Meteorological Services that agricultural demand spatial accuracy is high, accuracy is high.There is agriculture meteorological service the meteorology being related to want
The characteristics of element is more, spatial dimension is wide, the inquiry frequency is high, wherein, meteorological element includes temperature, humidity, wind speed, wind direction, precipitation, light
According to the weather information data such as snowfall.Meteorological data is generally stored in database with the form of grid meteorological data, the data
Storehouse provides a user with various space querying operations, but when space querying operation is carried out, lattice array is to nearly thousands of groups of grid fields
Carry out space querying time-consuming relatively long, response speed is slower;And meteorological data is related to multiple time dimensions, multiple variables, if
The whole nation meteorological data all become more meticulous storage will cause data volume greatly, considerably increase the memory space of needs, more drop
Low meteorological data query speed.
The content of the invention
It is current to solve the invention provides a kind of meteorological managing device based on plot, method and computer system
Agricultural weather data management system response speed is slow, need the problem of very big memory space.
In a first aspect, the invention provides a kind of meteorological managing device based on plot, including acquiring unit, storage list
Unit, determining unit, generation unit, query unit and returning unit;The acquiring unit is connected with the memory cell, for obtaining
Take grid meteorological data;The memory cell is connected with the determining unit, logical for the grid meteorological data to be stored in
With in tables of data;The determining unit is connected with the generation unit, for determining the plot according to the space coordinates in plot
Maximum external boundary, to obtain covering the rectangular area in the plot;The generation unit is connected with the query unit, is used for
The fine meteorological data of the rectangular area is generated, and the fine meteorological data is stored in the meteorological data table of plot;It is described
Query unit is connected with the returning unit, judges for the space point coordinates to user input, if the spatial point
Coordinate has hit the rectangular area, then inquired about in the plot meteorological data table;Otherwise, looked into the conventional data table
Ask;The returning unit is used to for Query Result to return to user.
Wherein, the area of the rectangular area that the determining unit is obtained 10%-40% bigger than the area in the plot.
Wherein, if the inquiry precision that user requires is M, be divided into for the rectangular area some by the determining unit
The individual square with M as the length of side.
Second aspect, present invention also offers a kind of meteorological management method based on plot, comprises the following steps:Obtain grid
Lattice meteorological data;The grid meteorological data is stored in conventional data table;Space coordinates according to plot determines describedly
The maximum external boundary of block, to obtain covering the rectangular area in the plot;The fine meteorological data of the rectangular area is generated, and
The fine meteorological data is stored in the meteorological data table of plot;Space point coordinates to user input judges, if institute
State space point coordinates and hit the rectangular area, then inquired about in the plot meteorological data table;Otherwise, in the general number
Inquired about according in table;Query Result is returned into user.
The third aspect, present invention also offers a kind of computer system, including processor and memory, the processor with
The memory connection, the processor is used to obtain grid meteorological data;The grid meteorological data is stored in general number
According in table;Space coordinates according to plot determines the maximum external boundary in the plot, to obtain covering the rectangle region in the plot
Domain;The fine meteorological data of the rectangular area is generated, and the fine meteorological data is stored in the meteorological data table of plot;It is right
The space point coordinates of user input is judged, if the space point coordinates has hit the rectangular area, described
Inquired about in block meteorological data table;Otherwise, inquired about in the conventional data table;Query Result is returned into user.
Meteorological managing device of the present invention based on plot has the advantages that:
Be stored in grid meteorological data in conventional data table by memory cell of the invention, generation unit generation user plot
Fine meteorological data and fine meteorological data is stored in the meteorological data table of plot, spatial point that user input to be inquired about is sat
After mark, if space point coordinates hit rectangular area, query unit is inquired about in the meteorological data table of plot, otherwise inquired about
Unit is inquired about in conventional data table.Device of the invention is capable of the inquiry operation of real-time response user, fast response time,
Operation is flexibly convenient, and disclosure satisfy that the inquiry precision that user requires, allows users to quick search to the fine gas in plot
Image data, improves Consumer's Experience;Device of the invention remains general meteorological data, does not lose versatility, reduces storage empty
Between and the computing resource that uses, improve development efficiency.
Meteorological management method of the present invention based on plot has the advantages that:
The method of the present invention is capable of the inquiry operation of real-time response user, and fast response time uses flexible convenient, Er Qieneng
Enough meet the inquiry precision of user's requirement, allow users to quick search to the fine meteorological data in plot, improve user's body
Test;The method of the present invention remains general meteorological data, does not lose versatility, reduces memory space and the computing resource for using,
Improve development efficiency.
It should be appreciated that the general description of the above and detailed description hereinafter are only exemplary and explanatory, not
Can the limitation present invention.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be to embodiment or description of the prior art
Needed for the accompanying drawing to be used be briefly described.
Fig. 1 is the structural representation of meteorological managing device of the present invention based on plot;
Fig. 2 is the workflow diagram of the meteorological managing device based on plot shown in Fig. 1;
Fig. 3 is that the determining unit of meteorological managing device of the present invention based on plot determines the first schematic diagram of rectangular area;
Fig. 4 is that the determining unit of meteorological managing device of the present invention based on plot determines the second schematic diagram of rectangular area;
Fig. 5 is that rectangular area is divided into several pros by the determining unit of meteorological managing device of the present invention based on plot
The schematic diagram of shape.
Specific embodiment
The present invention is introduced below in conjunction with the accompanying drawings, and the present invention is in the accompanying drawings by way of example rather than the side by limiting
Formula is illustrated.
As shown in figure 1, meteorological managing device of the present invention based on plot includes acquiring unit 10, memory cell 11, determines
Unit 12, generation unit 13, query unit 14 and returning unit 15.Acquiring unit 10 is connected with memory cell 11, for obtaining
Grid meteorological data;Memory cell 11 is connected with determining unit 12, for grid meteorological data to be stored in conventional data table,
The conventional data table for example can be the tables of data of database;Determining unit 12 is connected with generation unit 13, for according to plot
Space coordinates determine the maximum external boundary in plot, to obtain covering the rectangular area in plot, plot here can be understood as
A plot in farm, wherein, the space coordinates in plot is known parameter;Generation unit 13 is connected with query unit 14,
Fine meteorological data for generating rectangular area, and the fine meteorological data is stored in the meteorological data table of plot, plot
Meteorological data table for example can also be the tables of data of database;Query unit 14 is connected with returning unit 15, for defeated to user
The space point coordinates for entering is judged, if space point coordinates has hit rectangular area, is inquired about in the meteorological data table of plot;
Otherwise, inquired about in conventional data table;Returning unit 15 is used to for Query Result to return to user.
As shown in Fig. 2 the workflow of meteorological managing device of the present invention based on plot is:
Step S1, obtains grid meteorological data.Due to the skewness of weather station, in a particular application, generally
The observation of weather station and prediction data can be processed as uniform Grid data, it is meteorological that the Grid data is also referred to as grid
Data, grid meteorological data is generally with image format according to certain ranks sequential storage.
Step S2, grid meteorological data is stored in conventional data table.For example directly stored using PostGIS databases
The grid meteorological data of acquisition, each key element is individually stored, and special field is added as differentiation according to the title of key element, from importing
Filename in extract the information such as predicted time.
Step S3, the space coordinates according to plot determines the maximum external boundary in plot, to obtain covering the rectangle region in plot
Domain.As shown in figure 3, plot 16 is irregular shape, the space coordinates in plot 16 is, it is known that the space coordinates according to plot 16 is true
Determine the maximum external boundary in plot 16, connect the maximum external boundary in plot 16 to obtain rectangular area 17, rectangular area 17 is just covered
Cover plot 16.In subsequent steps, rectangular area 17 represents plot 16, not square because plot 16 is irregular shape
Just calculate.
Preferably, as shown in figure 4, the area of rectangular area 17 10%-40% bigger than the area in plot 16, such as rectangle region
The area in domain 17 is bigger than the area in plot 16 by 20%, because user is likely to the meteorological number for being also required to understand the adjacent edges of plot 16
According to, so rectangular area 17 is extended out, so that the meteorological data of the inside of plot 16 and adjacent edges can be provided the user,
More preferably meet user's request.
Preferably, if the inquiry precision that user requires is M, rectangular area 17 is divided into several with M as the length of side
Square.As shown in figure 5, the inquiry precision that for example user requires is 6km, the L long of rectangular area 17 is 36km, and H wide is
30km, then be divided into the square that 6 × 5 length of side N are 6km by rectangular area 17.Horizontal line and vertical line intersection point in rectangular area 17
Position have a meteorological data, other positions are without meteorological data, if the coordinate of user input is horizontal line in rectangular area 17
With the position of vertical line intersection point, then the meteorological data of the position is returned to user, if the coordinate of user input is point E, point E is not
The position of horizontal line and vertical line intersection point, then to the meteorological data of user's layback point E nearest position of intersecting point, as shown in figure 5, such as
The coordinate of fruit user input is point E, then to the meteorological data of user's reentry point A, because point E range points A is nearest.Point E is located at just
In square ABCD, the length of side of square ABCD is 6km, then the distance of point nearest in point E and point A, point B, point C, point D is less than
6km, is the requirement of 6km so as to meet inquiry precision.
Wherein, plot 16 is vector polygon, and vector file includes many attribute letters such as block area, girth, type
Breath.In the range of rectangular area 17, parcel polygon vector center is extracted, if area of a polygon is more than certain scope, can
It is encrypted with to the information point in polygon, to meet needs.
Step S4, generates the fine meteorological data of rectangular area, and the fine meteorological data is stored in into plot meteorology number
According in table.Generation unit 13 can generate the fine gas of rectangular area 17 according to information such as grid meteorological data, the coordinates of plot 16
Image data.
Step S5, the space point coordinates to user input judges, if space point coordinates has hit rectangular area 17,
Then inquired about in the meteorological data table of plot;Otherwise, inquired about in conventional data table.When user wants to understand the meteorological number of certain position
According to when, the space point coordinates of the position can be input into, query unit 14 is judged space point coordinates, if spatial point coordinate bit
In rectangular area 17, then in the meteorological data table of plot search space point coordinates fine meteorological data, otherwise, in general number
According to the meteorological data of search space point coordinates in table.
Query Result is returned to user by step S6, returning unit 15.When being inquired about in the meteorological data table of plot, return
The fine meteorological data of space point coordinates;When being inquired about in conventional data table, the meteorological data of space point coordinates is returned.
Be stored in grid meteorological data in conventional data table by memory cell of the invention 11, the generation user of generation unit 13
Simultaneously be stored in fine meteorological data in the meteorological data table of plot, the space to be inquired about of user input by the fine meteorological data in plot
After point coordinates, if space point coordinates hit rectangular area 17, query unit 14 is inquired about in the meteorological data table of plot,
Otherwise query unit 14 is inquired about in conventional data table.Device of the invention is capable of the inquiry operation of real-time response user,
Fast response time, operation is flexibly convenient, and disclosure satisfy that the inquiry precision that user requires, allows users to quick search to ground
The fine meteorological data of block, improves Consumer's Experience;Device of the invention remains general meteorological data, does not lose versatility, subtracts
Lack memory space and the computing resource for using, improve development efficiency.
The present invention also proposes a kind of meteorological management method based on plot, comprises the following steps:Obtain grid meteorological data;
Grid meteorological data is stored in conventional data table;Space coordinates according to plot determines the maximum external boundary in plot, with
To the rectangular area in covering plot;The fine meteorological data of rectangular area is generated, and the fine meteorological data is stored in plot
In meteorological data table;Space point coordinates to user input judges, if space point coordinates has hit rectangular area,
Inquired about in the meteorological data table of plot;Otherwise, inquired about in conventional data table;Query Result is returned into user.
Preferably, the area of rectangular area 10%-40% bigger than the area in plot.
Preferably, if the inquiry precision that user requires is M, rectangular area is divided into several with M as the length of side
Square.
The present invention also proposes a kind of computer system, including processor and memory, and processor is connected with memory, treatment
Device is used to obtain grid meteorological data;Grid meteorological data is stored in conventional data table;Space coordinates according to plot is true
The maximum external boundary in plot is determined, to obtain covering the rectangular area in plot;The fine meteorological data of rectangular area is generated, and should
Fine meteorological data is stored in the meteorological data table of plot;Space point coordinates to user input judges, if spatial point
Coordinate has hit rectangular area, then inquired about in the meteorological data table of plot;Otherwise, inquired about in conventional data table;Inquiry is tied
Fruit returns to user.
Preferably, the area 10%-40% bigger than the area in plot of the rectangular area that processor determines.
Preferably, if the inquiry precision that processor is additionally operable to user's requirement is M, rectangular area is divided into several
Square with M as the length of side
Processor is the control centre of computer system, using each of various interfaces and the whole computer system of connection
Individual part, by running or performing software program and/or unit, module of the storage in memory, and calls storage depositing
Data in reservoir, to perform the various functions and/or processing data of computer system.Processor can be by integrated circuit
(Integrated Circuit, abbreviation IC) is constituted, for example, can be made up of the IC of single encapsulation, it is also possible to by many of connection
The encapsulation IC of identical function or difference in functionality and constitute.In embodiments of the present invention, processor can be at least one centre
Reason device (Central Processing Unit, abbreviation CPU), CPU can be single arithmetic core, or multioperation core,
Can be the processor of physical machine, or the processor of virtual machine.
In this specification, for meteorological management method embodiment, computer system embodiment based on plot, due to
It is substantially similar to the meteorological managing device embodiment based on plot, and related part is referring to the meteorological managing device reality based on plot
The declaratives of example are applied, to avoid repeated description.
It is necessary that those skilled in the art can be understood that the technology in the embodiment of the present invention can add by software
The mode of hardware platform realize.Based on such understanding, the technical scheme in the embodiment of the present invention is substantially right in other words
The part that prior art contributes can be embodied in the form of software product, and the computer software product can be stored
In storage medium, such as ROM/RAM, magnetic disc and CD, including some instructions, it is used to cause to include the meter of processor and memory
Calculate machine equipment (can be personal computer, server or network equipment etc.) and perform each embodiment of the invention or embodiment
Method described in some parts.
The above is only specific embodiment of the invention, is made skilled artisans appreciate that or realizing this hair
It is bright.Various modifications to these embodiments will be apparent to one skilled in the art, as defined herein
General Principle can in other embodiments be realized in the case where design of the invention or scope is not departed from.Therefore it is of the invention
The embodiments shown herein is not intended to be limited to, but meets consistent with principles disclosed herein and features of novelty
Scope most wide.
Embodiment of the present invention above, is not intended to limit the scope of the present invention..
Claims (9)
1. a kind of meteorological managing device based on plot, including acquiring unit, memory cell, determining unit, generation unit, inquiry
Unit and returning unit;
The acquiring unit is connected with the memory cell, for obtaining grid meteorological data;
The memory cell is connected with the determining unit, for the grid meteorological data to be stored in conventional data table;
The determining unit is connected with the generation unit, and the maximum for determining the plot according to the space coordinates in plot is outer
Border, to obtain covering the rectangular area in the plot;
The generation unit is connected with the query unit, the fine meteorological data for generating the rectangular area, and should
Fine meteorological data is stored in the meteorological data table of plot;
The query unit is connected with the returning unit, judges for the space point coordinates to user input, if institute
State space point coordinates and hit the rectangular area, then inquired about in the plot meteorological data table;Otherwise, in the general number
Inquired about according in table;
The returning unit is used to for Query Result to return to user.
2. the meteorological managing device based on plot according to claim 1, it is characterised in that what the determining unit was obtained
The area of rectangular area 10%-40% bigger than the area in the plot.
3. the meteorological managing device based on plot according to claim 1 and 2, it is characterised in that if what user required
Inquiry precision is M, then the rectangular area is divided into several squares with M as the length of side by the determining unit.
4. a kind of meteorological management method based on plot, comprises the following steps:
Obtain grid meteorological data;
The grid meteorological data is stored in conventional data table;
Space coordinates according to plot determines the maximum external boundary in the plot, to obtain covering the rectangular area in the plot;
The fine meteorological data of the rectangular area is generated, and the fine meteorological data is stored in the meteorological data table of plot;
Space point coordinates to user input judges, if the space point coordinates has hit the rectangular area,
Inquired about in the plot meteorological data table;Otherwise, inquired about in the conventional data table;
Query Result is returned into user.
5. the meteorological management method based on plot according to claim 4, it is characterised in that the area of the rectangular area
10%-40% bigger than the area in the plot.
6. the meteorological management method based on plot according to claim 4 or 5, it is characterised in that if what user required
Inquiry precision is M, then the rectangular area is divided into several squares with M as the length of side.
7. a kind of computer system, including processor and memory, the processor are connected with the memory, the processor
For obtaining grid meteorological data;The grid meteorological data is stored in conventional data table;According to the space coordinates in plot
The maximum external boundary in the plot is determined, to obtain covering the rectangular area in the plot;Generate the fine of the rectangular area
Meteorological data, and the fine meteorological data is stored in the meteorological data table of plot;Space point coordinates to user input is carried out
Judge, if the space point coordinates has hit the rectangular area, inquired about in the plot meteorological data table;Otherwise,
Inquired about in the conventional data table;Query Result is returned into user.
8. computer system according to claim 7, it is characterised in that the rectangular area that the processor determines
Area 10%-40% bigger than the area in the plot.
9. the computer system according to claim 7 or 8, it is characterised in that if the processor be additionally operable to user will
The inquiry precision asked is M, then the rectangular area is divided into several squares with M as the length of side.
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CN103870542A (en) * | 2014-02-25 | 2014-06-18 | 中国人民解放军92859部队 | Storage method for marine environment data based on geographical fragmentation and dynamic tabulation |
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