CN107798103A - Search method and device of space vector data, readable medium and storage controller - Google Patents

Abstract

The invention provides a method, a device, a readable medium and a storage controller for searching space vector data, wherein the method comprises the following steps: acquiring at least one space vector data, and setting corresponding attribute information for each space vector data; acquiring a search keyword; according to the search keywords, determining target attribute information corresponding to the search keywords from attribute information corresponding to each space vector data; and searching target space vector data from the at least one space vector data according to the determined target attribute information. The scheme can improve the search efficiency of the space vector data.

Description

A search method, device, readable medium and storage controller for space vector data

technical field

The invention relates to the field of computer technology, in particular to a search method, device, readable medium and storage controller for space vector data.

Background technique

With the development of information technology, the number of space vector data from various sources is increasing day by day. How to quickly and accurately search the target data from a large number of space vector data is an important problem to be solved at present.

At present, when searching a large amount of space vector data, it is necessary to traverse the layers corresponding to each space vector data one by one, and determine the target data from each layer.

Due to the large amount of space vector data, the efficiency of searching the space vector data by traversal search is low.

Contents of the invention

The embodiment of the present invention provides a space vector data search method, device, readable medium and storage controller, which can improve the space vector data search efficiency.

In a first aspect, an embodiment of the present invention provides a search method for space vector data, including:

Obtain at least one space vector data, and set corresponding attribute information for each space vector data;

Get search keywords;

According to the search keyword, from the attribute information corresponding to each of the space vector data, determine the target attribute information corresponding to the search keyword;

Searching for object space vector data from the at least one piece of space vector data according to the determined object attribute information.

Preferably,

After setting the corresponding attribute information for each of the space vector data, it further includes:

determining a service address corresponding to each of the attribute information, and storing each of the space vector data and the attribute information and service address corresponding to each of the space vector data;

The searching out the target space vector data from the at least one space vector data according to the determined target attribute information includes:

Determine the target service address according to the target attribute information;

According to the determined service address, the target space vector data is retrieved from the stored space vector data.

Preferably,

After searching out the target space vector data from the at least one space vector data according to the determined target attribute information, it further includes:

determining position coordinates corresponding to the target space vector data;

Marking is performed in a preset map template according to the position coordinates, and the marked map template is output.

Preferably,

After searching out the target space vector data from the at least one space vector data according to the determined target attribute information, it further includes:

Acquiring at least one resource information corresponding to the target space vector data, and time information corresponding to each resource information;

sorting each of the resource information according to the time information corresponding to each of the resource information;

Outputting the at least one piece of resource information corresponding to the target space vector data according to the sorting result.

In a second aspect, an embodiment of the present invention provides a search device for space vector data, including: a setting unit, an acquisition unit, and a search unit; wherein,

The setting unit is configured to obtain at least one space vector data, and set corresponding attribute information for each space vector data;

The obtaining unit is used to obtain search keywords;

The search unit is configured to determine target attribute information corresponding to the search keyword from the attribute information corresponding to each of the space vector data according to the search keyword, and according to the determined target attribute information, Target space vector data is searched from the at least one space vector data.

Preferably,

The setting unit is further configured to determine a service address corresponding to each of the attribute information, and store each of the space vector data and the attribute information and service address corresponding to each of the space vector data;

The search unit is configured to determine a target service address according to the target attribute information, and retrieve the target space vector data from each of the stored space vector data according to the determined service address.

Preferably,

Further comprising: marking unit; wherein,

The marking unit is configured to determine position coordinates corresponding to the target space vector data; mark in a preset map template according to the position coordinates, and output the marked map template.

Preferably,

Further comprising: a resource output unit; wherein,

The resource output unit is configured to obtain at least one resource information corresponding to the target space vector data, and time information corresponding to each resource information; according to the time information corresponding to each resource information, each The resource information is sorted; according to the sorting result, the at least one resource information corresponding to the target space vector data is output.

In a third aspect, an embodiment of the present invention provides a readable medium, including execution instructions, and when the processor of the storage controller executes the execution instructions, the storage controller executes the method provided in any of the above-mentioned embodiments of the present invention .

In a fourth aspect, an embodiment of the present invention provides a memory controller, including: a processor, a memory, and a bus; the memory is used to store and execute instructions, and the processor and the memory are connected through the bus. When the storage controller is running, the processor executes the execution instruction stored in the memory, so that the storage controller executes the method provided by any one of the above embodiments of the present invention.

Embodiments of the present invention provide a space vector data search method, device, readable medium, and storage controller. First, set corresponding attribute information for each space vector data. Determine the target attribute information corresponding to the search keyword, and search out the target space vector data according to the determined target attribute information. In this way, the distributed search is performed according to the attribute information corresponding to each space vector data, without traversing and searching to determine the target space vector data from each layer, thereby improving the search efficiency of the space vector data.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are For some embodiments of the present invention, those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is a flow chart of a search method for space vector data provided by an embodiment of the present invention;

Fig. 2 is a schematic structural diagram of a search device for space vector data provided by an embodiment of the present invention;

Fig. 3 is a schematic structural diagram of a search device for space vector data provided by another embodiment of the present invention;

Fig. 4 is a schematic structural diagram of a search device for space vector data provided by another embodiment of the present invention.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work belong to the protection of the present invention. scope.

As shown in Figure 1, the embodiment of the present invention provides a search method for space vector data, the method may include the following steps:

Step 101: Obtain at least one space vector data, and set corresponding attribute information for each space vector data;

Step 102: Obtain search keywords;

Step 103: According to the search keyword, from the attribute information corresponding to each of the space vector data, determine the target attribute information corresponding to the search keyword;

Step 104: Search for target space vector data from the at least one space vector data according to the determined target attribute information.

In the above-mentioned embodiment, the corresponding attribute information is firstly set for each space vector data, and when the search keyword is obtained, the target attribute information corresponding to the search keyword is determined from each attribute information, and according to the determined target Attribute information, search out the target space vector data. In this way, the distributed search is performed according to the attribute information corresponding to each space vector data, without traversing and searching to determine the target space vector data from each layer, thereby improving the search efficiency of the space vector data.

In one embodiment of the present invention, after step 101, it may further include:

determining a service address corresponding to each of the attribute information, and storing each of the space vector data and the attribute information and service address corresponding to each of the space vector data;

The specific implementation manner of step 104 may include:

Determine the target service address according to the target attribute information;

According to the determined service address, the target space vector data is retrieved from the stored space vector data.

For example, the spatial vector data is extracted from ArcGIS to the distributed file system (Hadoop DistributedFile System, HDFS), and attribute information and key values are added to each spatial vector data during the extraction process. The service address is corresponding, and then the space vector data and its corresponding attribute information are combined and stored with the service address. When storing, the spatial attribute of the space vector data is converted into a WKT character string, and at the same time, each space vector data can be divided into cards according to the classification of the space vector data. When searching, you can use the attribute retrieval function of ElasticSearch to search out the attribute information corresponding to the search keyword, and retrieve the corresponding object space vector data according to the corresponding service address. Therefore, the attribute information and service address of the space vector data are combined and stored, and the target service address corresponding to the search keyword can be searched out when searching, and the target space vector data can be directly invoked according to the target service address, thereby further improving the efficiency of the space vector data. search efficiency.

In one embodiment of the present invention, after step 104, may further include:

determining position coordinates corresponding to the target space vector data;

Marking is performed in a preset map template according to the position coordinates, and the marked map template is output.

Here, after retrieving the target space vector data, call the service interface of ArcGIS API for JavaScript, and mark the position coordinates corresponding to the target space vector data in the map template, so as to load the search result service and display it on the map and Positioning is convenient for users to view and improve user experience.

In one embodiment of the present invention, after step 104, may further include:

Acquiring at least one resource information corresponding to the target space vector data, and time information corresponding to each resource information;

sorting each of the resource information according to the time information corresponding to each of the resource information;

Outputting the at least one piece of resource information corresponding to the target space vector data according to the sorting result.

In this embodiment, after the target space vector data is determined, the resource information corresponding to the target space vector data is obtained, and the corresponding resource information is sorted in chronological order, and then the corresponding resource information is output according to the sorting result, so that It is convenient for users to view other related resource information corresponding to the target space vector data, further improving user experience. For example, after determining the target space vector data, obtain the resource information of the entire life cycle of the national land domain corresponding to the target space vector data, including resource information such as "approval, supply, use, supplement, and inquiry", and sort these resource information by time Order, that is, the order of batch-supply-use-replenishment-check is displayed, which is convenient for users to view.

As shown in FIG. 2 , an embodiment of the present invention provides a search device for space vector data, including: a setting unit 201, an acquisition unit 202, and a search unit 203; wherein,

The setting unit 201 is configured to acquire at least one space vector data, and set corresponding attribute information for each space vector data;

The acquiring unit 202 is configured to acquire search keywords;

The search unit 203 is configured to determine target attribute information corresponding to the search keyword from the attribute information corresponding to each of the space vector data according to the search keyword, and determine the target attribute information according to the determined target attribute information , searching for target space vector data from the at least one space vector data.

In one embodiment of the present invention, the setting unit 201 is further configured to determine the service address corresponding to each of the attribute information, and combine each of the space vector data and the attribute information and service address corresponding to each of the space vector data The address is stored;

The search unit 203 is configured to determine a target service address according to the target attribute information, and retrieve the target space vector data from each of the stored space vector data according to the determined service address.

As shown in FIG. 3 , in an embodiment of the present invention, it further includes: a marking unit 301; wherein,

The marking unit 301 is configured to determine position coordinates corresponding to the target space vector data; mark in a preset map template according to the position coordinates, and output the marked map template.

As shown in FIG. 4, in one embodiment of the present invention, it further includes: a resource output unit 401; wherein,

The resource output unit 401 is configured to obtain at least one resource information corresponding to the target space vector data, and time information corresponding to each resource information; according to the time information corresponding to each resource information, the The resource information is sorted; according to the sorting result, the at least one resource information corresponding to the target space vector data is output.

The information exchange and execution process among the units in the above-mentioned device are based on the same concept as the method embodiment of the present invention, and the specific content can refer to the description in the method embodiment of the present invention, and will not be repeated here.

An embodiment of the present invention also provides a readable medium, including an execution instruction. When a processor of the storage controller executes the execution instruction, the storage controller executes the method provided in any one of the foregoing embodiments of the present invention.

The embodiment of the present invention also provides a storage controller, including: a processor, a memory, and a bus; the memory is used to store and execute instructions, the processor and the memory are connected through the bus, and when the storage control When the processor is running, the processor executes the execution instruction stored in the memory, so that the memory controller executes the method provided by any one of the above-mentioned embodiments of the present invention.

In summary, the above embodiments of the present invention have at least the following beneficial effects:

1. In the embodiment of the present invention, first set the corresponding attribute information for each space vector data, and when the search keyword is obtained, determine the target attribute information corresponding to the search keyword from each attribute information, and according to The determined target attribute information is searched for the target space vector data. In this way, the distributed search is performed according to the attribute information corresponding to each space vector data, without traversing and searching to determine the target space vector data from each layer, thereby improving the search efficiency of the space vector data.

2. In the embodiment of the present invention, the attribute information of the space vector data and the service address are combined and stored, and the target service address corresponding to the search keyword can be searched out during the search, and the target space vector data is directly invoked according to the target service address, Therefore, the search efficiency of space vector data is further improved.

3. In the embodiment of the present invention, after the target space vector data is retrieved, the position coordinates corresponding to the target space vector data are marked in the map template, so that the search result service is loaded and displayed and positioned on the map, thereby It is convenient for users to view and improve user experience.

4. In the embodiment of the present invention, after the target space vector data is determined, the resource information corresponding to the target space vector data is obtained, and the corresponding resource information is sorted in chronological order, and then the corresponding resource is output according to the sorting result Information, so that users can view other related resource information corresponding to the target space vector data, and further improve user experience.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. There is no such actual relationship or sequence. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device. Without further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of additional same elements in the process, method, article or apparatus comprising said element.

Those of ordinary skill in the art can understand that all or part of the steps to realize the above method embodiments can be completed by program instructions related hardware, and the aforementioned programs can be stored in a computer-readable storage medium. When the program is executed, the It includes the steps of the above method embodiments; and the aforementioned storage medium includes: ROM, RAM, magnetic disk or optical disk and other various media that can store program codes.

Finally, it should be noted that the above descriptions are only preferred embodiments of the present invention, and are only used to illustrate the technical solution of the present invention, and are not used to limit the protection scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present invention are included in the protection scope of the present invention.

Claims (10)

1. A search method for space vector data, comprising: Obtain at least one space vector data, and set corresponding attribute information for each space vector data; Also includes: Get search keywords; According to the search keyword, from the attribute information corresponding to each of the space vector data, determine the target attribute information corresponding to the search keyword; Searching for object space vector data from the at least one piece of space vector data according to the determined object attribute information. 2. The method of claim 1, wherein, After setting the corresponding attribute information for each of the space vector data, it further includes: determining a service address corresponding to each of the attribute information, and storing each of the space vector data and the attribute information and service address corresponding to each of the space vector data; The searching out the target space vector data from the at least one space vector data according to the determined target attribute information includes: Determine the target service address according to the target attribute information; According to the determined service address, the target space vector data is retrieved from the stored space vector data. 3. The method of claim 1, wherein, After searching out the target space vector data from the at least one space vector data according to the determined target attribute information, it further includes: determining position coordinates corresponding to the target space vector data; Marking is performed in a preset map template according to the position coordinates, and the marked map template is output. 4. The method of claim 1, wherein, After searching out the target space vector data from the at least one space vector data according to the determined target attribute information, it further includes: Acquiring at least one resource information corresponding to the target space vector data, and time information corresponding to each resource information; sorting each of the resource information according to the time information corresponding to each of the resource information; Outputting the at least one piece of resource information corresponding to the target space vector data according to the sorting result. 5. A search device for space vector data, comprising: a setting unit, an acquisition unit and a search unit; wherein, The setting unit is configured to obtain at least one space vector data, and set corresponding attribute information for each space vector data; The obtaining unit is used to obtain search keywords; The search unit is configured to determine target attribute information corresponding to the search keyword from the attribute information corresponding to each of the space vector data according to the search keyword, and according to the determined target attribute information, Target space vector data is searched from the at least one space vector data. 6. The device according to claim 5, characterized in that, The setting unit is further configured to determine a service address corresponding to each of the attribute information, and store each of the space vector data and the attribute information and service address corresponding to each of the space vector data; The search unit is configured to determine a target service address according to the target attribute information, and retrieve the target space vector data from each of the stored space vector data according to the determined service address. 7. The device of claim 5, wherein: Further comprising: marking unit; wherein, The marking unit is configured to determine position coordinates corresponding to the target space vector data; mark in a preset map template according to the position coordinates, and output the marked map template. 8. The device of claim 5, wherein: Further comprising: a resource output unit; wherein, The resource output unit is configured to obtain at least one resource information corresponding to the target space vector data, and time information corresponding to each resource information; according to the time information corresponding to each resource information, each The resource information is sorted; according to the sorting result, the at least one resource information corresponding to the target space vector data is output. 9. A readable medium, comprising execution instructions, and when a processor of the storage controller executes the execution instructions, the storage controller executes the method according to any one of claims 1 to 4. 10. A storage controller, comprising: a processor, a memory, and a bus; the memory is used to store and execute instructions, the processor and the memory are connected through the bus, and when the storage controller is running, the The processor executes the execution instructions stored in the memory, so that the storage controller executes the method according to any one of claims 1 to 4.