CN110263017A - A kind of key assignments storage method and device based on Grid remotely-sensed data file set - Google Patents
A kind of key assignments storage method and device based on Grid remotely-sensed data file set Download PDFInfo
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- CN110263017A CN110263017A CN201910500955.6A CN201910500955A CN110263017A CN 110263017 A CN110263017 A CN 110263017A CN 201910500955 A CN201910500955 A CN 201910500955A CN 110263017 A CN110263017 A CN 110263017A
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- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/21—Design, administration or maintenance of databases
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- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/22—Indexing; Data structures therefor; Storage structures
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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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Abstract
The embodiment of the present invention provides a kind of key assignments storage method and device based on Grid remotely-sensed data file set.The described method includes: obtaining the filename and file size of each remotely-sensed data source file, and the data format of the remotely-sensed data source file is determined according to the filename；Subdivision processing function corresponding with the data format is called to parse the remotely-sensed data in the remotely-sensed data source file according to the data format；If judgement knows that the file size is greater than threshold value, the remotely-sensed data of the remotely-sensed data source file after parsing is split into database according to default storage format by storage according to regular polygon Grid subdivision method.Described device is for executing the above method.Key assignments storage method and device provided in an embodiment of the present invention based on Grid remotely-sensed data file set, improves the storage efficiency of remotely-sensed data.
Description
Technical field
The present invention relates to technical field of data processing, and in particular to a kind of key based on Grid remotely-sensed data file set
It is worth storage method and device.
Background technique
Remote sensing technology has been widely used in many fields such as national economy, defense military and ecological protection, example
Such as meteorological observation, ground mapping, military investigation and ecological ragime assessment.
With the extensive use of remote sensing technology, a large amount of remote sensing quantity is obtained using aircraft such as remote sensing satellite, aircrafts,
And remotely-sensed data is many kinds of and format disunity.In the prior art, the remotely-sensed data received is directly stored, due to single
The source file of remotely-sensed data is larger, causes storage efficiency low.In addition, the source file of remotely-sensed data is after analysis, usually
The remotely-sensed data file of storage is named according to the time that the channel of remotely-sensed data and remotely-sensed data generate, and by this article
Part name is used as the critical field of remotely-sensed data query process, to remotely-sensed data when being unfavorable for the calculating and analysis to remotely-sensed data
Access.
Therefore, how to propose a kind of remotely-sensed data storage method, can quickly carry out the storage of remotely-sensed data, it is distant to improve
The storage efficiency for feeling data becomes industry important topic urgently to be resolved.
Summary of the invention
For the defects in the prior art, the present invention provides a kind of key assignments based on Grid remotely-sensed data file set and deposits
Method for storing and device.
On the one hand, the present invention proposes a kind of key assignments storage method based on Grid remotely-sensed data file set, comprising:
The filename and file size of each remotely-sensed data source file are obtained, and the remote sensing is determined according to the filename
The data format of data source file；
Subdivision processing function corresponding with the data format is called to parse the remotely-sensed data according to the data format
Remotely-sensed data in source file；
If judgement knows that the file size is greater than threshold value, after being parsed according to regular polygon Grid subdivision method
The remotely-sensed data source file remotely-sensed data according to default storage format split storage into database.
Further, the method also includes if judgement knows that the file size is less than or equal to threshold value, after parsing
The remotely-sensed data source file remotely-sensed data according to default storage format store into database.
Further, it is described according to regular polygon Grid subdivision method by the remotely-sensed data source file after parsing
Remotely-sensed data split storage according to default storage format and into database include:
The remotely-sensed data of the remotely-sensed data source file split into according to regular polygon Grid subdivision method multiple
Piecemeal remotely-sensed data, multiple piecemeal remotely-sensed datas are continuously stored, and each piecemeal remotely-sensed data and the remote sensing number
Corresponding according to the continuous remotely-sensed data in the part of source file, the size of each piecemeal remotely-sensed data is no more than preset value.
Further, the method also includes encoding the piecemeal remotely-sensed data using space filling curve coding, make
Each piecemeal remotely-sensed data obtains unique coding, using the coding of the piecemeal remotely-sensed data as the piecemeal remote sensing number
According to access identities, the access identities of each piecemeal remotely-sensed data constitute index；Wherein, using the index as key, with
The key and described value are stored into the database by the access identities of the piecemeal remotely-sensed data as value.
Further, the method also includes receiving the access request to remotely-sensed data, the access request includes at least
One index field；
Piecemeal remotely-sensed data corresponding with the index field is found in the index according to the index field
Access identities；Wherein, the index field and the corresponding relationship of the access identities are preset；
According to the access identities of each piecemeal remotely-sensed data, the corresponding remotely-sensed data of the index field is obtained.
Further, the method also includes establishing the remotely-sensed data source when receiving the remotely-sensed data source file
The time of reception table of file.
On the other hand, the present invention provides a kind of key assignments storage device based on Grid remotely-sensed data file set, comprising:
Acquiring unit, for obtaining the filename and file size of each remotely-sensed data source file, and according to the file
Name determines the data format of the remotely-sensed data source file；
Call unit, for calling subdivision processing function parsing corresponding with the data format according to the data format
Remotely-sensed data in the remotely-sensed data source file；
First storage unit, if for judging to know that the file size is greater than threshold value, according to regular polygon spherical surface net
The remotely-sensed data of the remotely-sensed data source file after parsing is split storage to number according to default storage format by lattice subdivision method
According in library.
Further, described device further includes the second storage unit, if for judging to know that the file size is less than
In threshold value, then the remotely-sensed data of the remotely-sensed data source file after parsing is stored according to default storage format to database
In.
In another aspect, the present invention provides a kind of electronic equipment, comprising: processor, memory and communication bus, in which:
The processor and the memory complete mutual communication by the communication bus；
The memory is stored with the program instruction that can be executed by the processor, and the processor calls described program to refer to
The key assignments storage method based on Grid remotely-sensed data file set for being able to carry out and providing such as the various embodiments described above is provided.
Another aspect, the present invention provide a kind of non-transient computer readable storage medium, and the non-transient computer is readable
Storage medium stores computer instruction, the computer instruction make the computer execute as the various embodiments described above provide based on
The key assignments storage method of Grid remotely-sensed data file set.
Key assignments storage method and device provided by the invention based on Grid remotely-sensed data file set, due to that can obtain
The filename and file size of each remotely-sensed data source file are taken, and determines the data lattice of remotely-sensed data source file according to filename
Then formula calls the remote sensing in subdivision processing function parsing remotely-sensed data source file corresponding with data format according to data format
Data, after judgement knows that file size is greater than threshold value, according to regular polygon Grid subdivision method by the institute after parsing
The remotely-sensed data for stating remotely-sensed data source file splits storage into database according to default storage format, improves remotely-sensed data
Storage efficiency.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is that the process of key assignments storage method of the one embodiment of the invention based on Grid remotely-sensed data file set is illustrated
Figure；
Fig. 2 is that the process of key assignments storage method of the another embodiment of the present invention based on Grid remotely-sensed data file set is shown
It is intended to；
Fig. 3 is the structural representation of key assignments storage device of the one embodiment of the invention based on Grid remotely-sensed data file set
Figure；
Fig. 4 is that the structure of key assignments storage device of the another embodiment of the present invention based on Grid remotely-sensed data file set is shown
It is intended to；
Fig. 5 is the entity structure schematic diagram of one embodiment of the invention electronic equipment.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached in the embodiment of the present invention
Figure, technical solution in the embodiment of the present invention are explicitly described, it is clear that described embodiment is a part of the invention
Embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making wound
Every other embodiment obtained under the premise of the property made labour, shall fall within the protection scope of the present invention.
Fig. 1 is that the process of key assignments storage method of the one embodiment of the invention based on Grid remotely-sensed data file set is illustrated
Figure, as shown in Figure 1, the key assignments storage method provided by the invention based on Grid remotely-sensed data file set, comprising:
S101, the filename and file size for obtaining each remotely-sensed data source file, and institute is determined according to the filename
State the data format of remotely-sensed data source file；
Specifically, the key assignments storage device (hereinafter referred to as storage device) based on Grid remotely-sensed data file set is connecing
Receive from the remotely-sensed data of the aircraft such as remote sensing satellite, aircraft when, can obtain each remotely-sensed data source file filename and
File size.The storage device can obtain the data format of the remotely-sensed data source file by parsing the filename.
S102, subdivision processing function corresponding with the data format is called to parse the remote sensing according to the data format
Remotely-sensed data in data source file；
Specifically, the storage device is after the data format for obtaining the remotely-sensed data source file, according to the number
Call corresponding with data format subdivision processing function according to format, to the remotely-sensed data in the remotely-sensed data source file into
Row parsing.Wherein, the subdivision processing function is preset.
It, will according to regular polygon Grid subdivision method if S103, judgement know that the file size is greater than threshold value
The remotely-sensed data of the remotely-sensed data source file after parsing splits storage into database according to default storage format.
Specifically, the file size is compared by the storage device with the threshold value, if the file size
Greater than the threshold value, then according to regular polygon Grid subdivision method by the distant of the remotely-sensed data source file after parsing
Sense data are split, and then according to the storage of default storage format into database, the final file size is greater than the threshold
Remotely-sensed data in each of value remotely-sensed data source file is split into piecemeal remotely-sensed data, and each piecemeal
Remotely-sensed data has corresponding access identities.
Wherein, the default storage format is configured based on practical experience, and the embodiment of the present invention is without limitation.
Wherein, the database can be reciprocity distributed data base, and the equity distributed data base is using P2P net
The distributed data base of network has high reliablity, access efficiency high because it does not have host node and the difference from node
Feature.
Key assignments storage method provided by the invention based on Grid remotely-sensed data file set, it is each due to that can obtain
The filename and file size of remotely-sensed data source file, and determine according to filename the data format of remotely-sensed data source file, so
The remotely-sensed data in subdivision processing function parsing remotely-sensed data source file corresponding with data format is called according to data format afterwards,
After judgement knows that file size is greater than threshold value, according to regular polygon Grid subdivision method by the remote sensing after parsing
The remotely-sensed data of data source file splits storage into database according to default storage format, improves the storage effect of remotely-sensed data
Rate.
It is further, provided by the invention to be based on Grid remotely-sensed data file on the basis of the various embodiments described above
The key assignments storage method of collection further include:
If judgement knows that the file size is less than or equal to threshold value, by the distant of the remotely-sensed data source file after parsing
Feel data to store according to the default storage format into the database.
Specifically, the file size is compared by the storage device with the threshold value, if the file size
Less than or equal to the threshold value, then the storage device will parse the remotely-sensed data that is obtained after the remotely-sensed data source file according to
The default storage format storage is into database, without splitting the remotely-sensed data source file.
It is further, described to be solved according to regular polygon Grid subdivision method on the basis of the various embodiments described above
The remotely-sensed data of the remotely-sensed data source file after analysis splits into data block storage into database according to default storage format
Include:
The remotely-sensed data of the remotely-sensed data source file split into according to regular polygon Grid subdivision method multiple
Piecemeal remotely-sensed data, multiple piecemeal remotely-sensed datas are continuously stored, and each piecemeal remotely-sensed data and the remote sensing number
Corresponding according to the continuous remotely-sensed data in the part of source file, the size of each piecemeal remotely-sensed data is no more than preset value.
Specifically, mesh generation is to generate one group of fine-grained subnet from father's grid of coarseness using unified method
Lattice form the tree hierarchy structure between grid, so that polyhedral surface to be divided into the discrete grid block set of multiresolution.This hair
The regular polygon Grid subdivision method that bright embodiment uses, for example, HTM spherically stratified ionosphere triangular mesh generation method use
Four points continuous to Grid of the thought of quaternary tree, and constitute with orthodrome the level triangle gridding knot of multiresolution
Structure, each subdivision maintain the area of triangle gridding unit and the invariance of shape, and more points of recursiveness as far as possible in the process
Resolution structure enables HTM spherical trigonometry grid to support the organizations of unity of uneven distribution data.
The storage device, can be by the distant of the remotely-sensed data source file according to regular polygon Grid subdivision method
Sense data split into multiple piecemeal remotely-sensed datas.When storing each piecemeal remotely-sensed data, by each piecemeal remote sensing
Data are continuously stored, and each piecemeal remotely-sensed data is continuous data, i.e., the described piecemeal remotely-sensed data is to come from
The continuous remotely-sensed data in part in the remotely-sensed data source file, the piecemeal remotely-sensed data and the remotely-sensed data source document
The continuous remotely-sensed data in the part of part is corresponding, and the size of each piecemeal remotely-sensed data is no more than preset value.Wherein, institute
It states preset value to be configured based on practical experience, the embodiment of the present invention is without limitation.
It is further, provided by the invention to be based on Grid remotely-sensed data file on the basis of the various embodiments described above
The key assignments storage method of collection further include:
The piecemeal remotely-sensed data is encoded using space filling curve coding, obtains each piecemeal remotely-sensed data
Unique coding, using the access identities of the piecemeal remotely-sensed data encoded as the piecemeal remotely-sensed data, each described point
The access identities of block remotely-sensed data constitute index；Wherein, using the index as key, with the access mark of the piecemeal remotely-sensed data
Know as value, the key and described value are stored into the database.
Specifically, the storage device is encoded after obtaining the piecemeal remotely-sensed data using space filling curve, such as
Hilbert curve encoding encodes the piecemeal remotely-sensed data, after coding, each piecemeal remotely-sensed data
Unique coding is obtained, i.e., the described piecemeal remotely-sensed data and the coding correspond, and with the volume of the piecemeal remotely-sensed data
The access identities of access identities of the code as the piecemeal remotely-sensed data, each piecemeal remotely-sensed data constitute index.Wherein,
The key and described value are stored into institute using the access identities of the piecemeal remotely-sensed data as value using the index as key
It states in database.
Fig. 2 is that the process of key assignments storage method of the another embodiment of the present invention based on Grid remotely-sensed data file set is shown
It is intended to, as shown in Fig. 2, on the basis of the various embodiments described above, it is further, provided by the invention to be based on Grid remote sensing number
According to the key assignments storage method of file set further include:
To the access request of remotely-sensed data, the access request includes at least one described index field for S201, reception；
Specifically, server can send the access request to remotely-sensed data, the storage device to the storage device
It can receive the access request, the access request includes at least one described index field.Wherein, the index field packet
Include but be not limited to title, number and mark etc..
S202, piecemeal remote sensing number corresponding with the index field is found in the index according to the index field
According to access identities；Wherein, the index field and the corresponding relationship of the access identities are preset；
Specifically, the storage device is after receiving the access request, according to the index field in the rope
Draw the middle lookup index field, and finds the access identities of piecemeal remotely-sensed data corresponding with the index field.Wherein,
The index field and the corresponding relationship of the access identities are default.
S203, according to the access identities of each piecemeal remotely-sensed data, obtain the corresponding remote sensing number of the index field
According to.
Specifically, the storage device the access identities for obtaining the corresponding piecemeal remotely-sensed data of the index field it
Afterwards, it can be found according to the access identities of each piecemeal remotely-sensed data and respectively correspond to the piecemeal remotely-sensed data, searched
The corresponding remotely-sensed data of each i.e. described index field of piecemeal remotely-sensed data arrived.The storage device is available described
The corresponding remotely-sensed data of index field, and the corresponding remotely-sensed data of the index field is sent to the server.Wherein, institute
It is default for stating the corresponding relationship of index field and the access identities.
On the basis of the various embodiments described above, further, on the basis of the various embodiments described above, further, this hair
The key assignments storage method based on Grid remotely-sensed data file set of bright offer further include:
When receiving the remotely-sensed data source file, the time of reception table of the remotely-sensed data source file is established.
Specifically, the storage device can recorde each institute received when receiving the remotely-sensed data source file
At the time of stating remotely-sensed data source file, the above-mentioned moment, that is, time of reception, by the filename of each remotely-sensed data source file with
The corresponding storage of its time of reception.The storage device according to the filename of each remotely-sensed data source file with it is corresponding
The time of reception establishes the time of reception table of the remotely-sensed data source file.
Fig. 3 is the structural representation of key assignments storage device of the one embodiment of the invention based on Grid remotely-sensed data file set
Figure, as shown in figure 3, the key assignments storage device provided by the invention based on Grid remotely-sensed data file set includes acquiring unit
301, call unit 302 and the first storage unit 303, in which:
Acquiring unit 301 is used to obtain the filename and file size of each remotely-sensed data source file, and according to the text
Part name determines the data format of the remotely-sensed data source file；Call unit 302 is used for according to data format calling and institute
It states data format corresponding subdivision processing function and parses remotely-sensed data in the remotely-sensed data source file；First storage unit
If 303 know that the file size is greater than threshold value for judging, after being parsed according to regular polygon Grid subdivision method
The remotely-sensed data source file remotely-sensed data according to default storage format split storage into database.
Specifically, acquiring unit 301 can be obtained when receiving from the remotely-sensed data of the aircraft such as remote sensing satellite, aircraft
Obtain the filename and file size of each remotely-sensed data source file.Acquiring unit 301 can be obtained by parsing the filename
The data format of the remotely-sensed data source file.
Call unit 302 is after the data format for obtaining the remotely-sensed data source file, according to the data format tune
Function is handled with subdivision corresponding with the data format, the remotely-sensed data in the remotely-sensed data source file is parsed.
Wherein, the subdivision processing function is preset.
The file size is compared by the first storage unit 303 with the threshold value, if the file size is greater than
The threshold value, then the first storage unit 303 by according to regular polygon Grid subdivision method by the remote sensing after parsing
The remotely-sensed data of data source file is split, then according to the storage of default storage format into database, the final file size
It is split into piecemeal remotely-sensed data greater than the remotely-sensed data in each of the threshold value remotely-sensed data source file, and every
A piecemeal remotely-sensed data has corresponding access identities.Wherein, the default storage format is set based on practical experience
It sets, the embodiment of the present invention is without limitation.Wherein, the database can be reciprocity distributed data base.
Key assignments storage device provided by the invention based on Grid remotely-sensed data file set, it is each due to that can obtain
The filename and file size of remotely-sensed data source file, and determine according to filename the data format of remotely-sensed data source file, so
The remotely-sensed data in subdivision processing function parsing remotely-sensed data source file corresponding with data format is called according to data format afterwards,
After judgement knows that file size is greater than threshold value, according to regular polygon Grid subdivision method by the remote sensing after parsing
The remotely-sensed data of data source file splits storage into database according to default storage format, improves the storage effect of remotely-sensed data
Rate.
Fig. 4 is that the structure of key assignments storage device of the another embodiment of the present invention based on Grid remotely-sensed data file set is shown
It is intended to, as shown in figure 4, the key assignments storage device provided by the invention based on Grid remotely-sensed data file set further includes second
Storage unit 304, in which:
If the second storage unit 304 knows that the file size is less than or equal to threshold value for judging, by the institute after parsing
The remotely-sensed data for stating remotely-sensed data source file is stored according to default storage format into database.
Specifically, the file size is compared by the second storage unit 304 with the threshold value, if the file is big
It is small to be less than or equal to the threshold value, then the second storage unit 304 will parse the remote sensing number obtained after the remotely-sensed data source file
It stores according to according to the default storage format into database, without splitting the remotely-sensed data source file.
The embodiment of device provided by the invention specifically can be used for executing the process flow of above-mentioned each method embodiment,
Details are not described herein for function, is referred to the detailed description of above method embodiment.
Fig. 5 is the entity structure schematic diagram of one embodiment of the invention electronic equipment, as shown in figure 5, the electronic equipment packet
Include processor (processor) 501, memory (memory) 502 and communication bus 503；
Wherein, processor 501, memory 502 complete mutual communication by communication bus 503；
Processor 501 is used to call the program instruction in memory 502, to execute provided by above-mentioned each method embodiment
Method, for example, obtain the filename and file size of each remotely-sensed data source file, and institute is determined according to the filename
State the data format of remotely-sensed data source file；Subdivision corresponding with the data format is called to handle letter according to the data format
Number parses the remotely-sensed data in the remotely-sensed data source file；If judgement knows that the file size is greater than threshold value, according to just
Polyhedron Grid subdivision method is by the remotely-sensed data of the remotely-sensed data source file after parsing according to default storage format
Storage is split into database.
The present embodiment discloses a kind of computer program product, and the computer program product includes being stored in non-transient calculating
Computer program on machine readable storage medium storing program for executing, the computer program include program instruction, when described program instruction is calculated
When machine executes, computer is able to carry out method provided by above-mentioned each method embodiment, for example, obtains each remotely-sensed data
The filename and file size of source file, and determine according to the filename data format of the remotely-sensed data source file；Root
Subdivision processing function corresponding with the data format is called to parse in the remotely-sensed data source file according to the data format
Remotely-sensed data；If judgement knows that the file size is greater than threshold value, will be parsed according to regular polygon Grid subdivision method
The remotely-sensed data of the remotely-sensed data source file afterwards splits storage into database according to default storage format.
The present embodiment provides a kind of non-transient computer readable storage medium, the non-transient computer readable storage medium
Computer instruction is stored, the computer instruction makes the computer execute method provided by above-mentioned each method embodiment, example
It such as include: to obtain the filename and file size of each remotely-sensed data source file, and the remote sensing is determined according to the filename
The data format of data source file；Subdivision processing function parsing corresponding with the data format is called according to the data format
Remotely-sensed data in the remotely-sensed data source file；If judgement knows that the file size is greater than threshold value, according to regular polygon
Grid subdivision method deposits the remotely-sensed data of the remotely-sensed data source file after parsing according to the fractionation of default storage format
It stores up in database.
In addition, the logical order in above-mentioned memory can be realized and as independence by way of SFU software functional unit
Product when selling or using, can store in a computer readable storage medium.Based on this understanding, of the invention
Technical solution substantially the part of the part that contributes to existing technology or the technical solution can be with software in other words
The form of product embodies, which is stored in a storage medium, including some instructions use so that
One computer equipment (can be personal computer, device or the network equipment etc.) executes described in each embodiment of the present invention
The all or part of the steps of method.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-
Only Memory), random access memory (RAM, Random Access Memory), magnetic or disk etc. are various can be with
Store the medium of program code.
The apparatus embodiments described above are merely exemplary, wherein described, unit can as illustrated by the separation member
It is physically separated with being or may not be, component shown as a unit may or may not be physics list
Member, it can it is in one place, or may be distributed over multiple network units.It can be selected according to the actual needs
In some or all of the modules achieve the purpose of the solution of this embodiment.Those of ordinary skill in the art are not paying creativeness
Labour in the case where, it can understand and implement.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
It realizes by means of software and necessary general hardware platform, naturally it is also possible to pass through hardware.Based on this understanding, on
Stating technical solution, substantially the part that contributes to existing technology can be embodied in the form of software products in other words, should
Computer software product may be stored in a computer readable storage medium, such as ROM/RAM, magnetic disk, CD, including several fingers
It enables and using so that a computer equipment (can be personal computer, server or the network equipment etc.) executes each implementation
Method described in certain parts of example or embodiment.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of key assignments storage method based on Grid remotely-sensed data file set characterized by comprising
The filename and file size of each remotely-sensed data source file are obtained, and the remotely-sensed data is determined according to the filename
The data format of source file；
Subdivision processing function corresponding with the data format is called to parse the remotely-sensed data source document according to the data format
Remotely-sensed data in part；
If judgement knows that the file size is greater than threshold value, according to regular polygon Grid subdivision method by the institute after parsing
The remotely-sensed data for stating remotely-sensed data source file splits storage into database according to default storage format.
2. the key assignments storage method according to claim 1 based on Grid remotely-sensed data file set, which is characterized in that
Further include:
If judgement knows that the file size is less than or equal to threshold value, by the remote sensing number of the remotely-sensed data source file after parsing
It stores according to according to default storage format into database.
3. the key assignments storage method according to claim 1 based on Grid remotely-sensed data file set, which is characterized in that
It is described according to regular polygon Grid subdivision method by the remotely-sensed data of the remotely-sensed data source file after parsing according to pre-
If storage format splits storage
The remotely-sensed data of the remotely-sensed data source file is split into multiple piecemeals according to regular polygon Grid subdivision method
Remotely-sensed data, multiple piecemeal remotely-sensed datas are continuously stored, and each piecemeal remotely-sensed data and the remotely-sensed data source
The continuous remotely-sensed data in the part of file is corresponding, and the size of each piecemeal remotely-sensed data is no more than preset value.
4. the key assignments storage method according to claim 3 based on Grid remotely-sensed data file set, which is characterized in that
Further include:
The piecemeal remotely-sensed data is encoded using space filling curve coding, obtains each piecemeal remotely-sensed data unique
Coding, using the coding of the piecemeal remotely-sensed data as the access identities of the piecemeal remotely-sensed data, each piecemeal is distant
The access identities for feeling data constitute index；Wherein, using the index as key, made with the access identities of the piecemeal remotely-sensed data
For value, the key and described value are stored into the database.
5. the key assignments storage method according to claim 4 based on Grid remotely-sensed data file set, which is characterized in that
Further include:
The access request to remotely-sensed data is received, the access request includes at least one described index field；
The access of piecemeal remotely-sensed data corresponding with the index field is found in the index according to the index field
Mark；Wherein, the index field and the corresponding relationship of the access identities are preset；
According to the access identities of each piecemeal remotely-sensed data, the corresponding remotely-sensed data of the index field is obtained.
6. the key assignments storage method according to any one of claims 1 to 5 based on Grid remotely-sensed data file set,
It is characterized in that, further includes:
When receiving the remotely-sensed data source file, the time of reception table of the remotely-sensed data source file is established.
7. a kind of key assignments storage device based on Grid remotely-sensed data file set characterized by comprising
Acquiring unit, for obtaining the filename and file size of each remotely-sensed data source file, and it is true according to the filename
The data format of the fixed remotely-sensed data source file；
Call unit, for calling subdivision corresponding with the data format to handle described in function parsing according to the data format
Remotely-sensed data in remotely-sensed data source file；
First storage unit, if being cutd open for judging to know that the file size is greater than threshold value according to regular polygon Grid
Divide method that the remotely-sensed data of the remotely-sensed data source file after parsing is split storage according to default storage format and arrives database
In.
8. the key assignments storage device according to claim 7 based on Grid remotely-sensed data file set, which is characterized in that
Further include:
Second storage unit, if for judging to know that the file size is less than or equal to threshold value, by the remote sensing after parsing
The remotely-sensed data of data source file is stored according to default storage format into database.
9. a kind of electronic equipment characterized by comprising processor, memory and communication bus, in which:
The processor and the memory complete mutual communication by the communication bus；
The memory is stored with the program instruction that can be executed by the processor, and the processor calls described program to instruct energy
It is enough to execute such as method as claimed in any one of claims 1 to 6.
10. a kind of non-transient computer readable storage medium, which is characterized in that the non-transient computer readable storage medium is deposited
Computer instruction is stored up, the computer instruction makes the computer execute such as method as claimed in any one of claims 1 to 6.
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