CN117391305A

CN117391305A - Construction method, construction system, electronic equipment and medium of land space information

Info

Publication number: CN117391305A
Application number: CN202311471573.8A
Authority: CN
Inventors: 李明; 李泽华; 谢效春; 李锋; 弋普
Original assignee: Guangzhou Guoce Planning Information Technology Co ltd
Current assignee: Guangzhou Guoce Planning Information Technology Co ltd
Priority date: 2023-11-07
Filing date: 2023-11-07
Publication date: 2024-01-12

Abstract

A construction method, a construction system, electronic equipment and a construction medium for land space information relate to the technical field of land planning. The method comprises the following steps: acquiring land information of a target planning area; determining a plurality of first areas and second areas and at least one third area according to the land information, wherein the first areas are areas where land is unavailable in the target planning area, the second areas are areas where land is available in the target planning area, and the third areas are two adjacent first areas or interval areas between two adjacent second areas; determining a first area ratio according to the area of the first area and the area of the second area, and determining a second area ratio according to the area of the third area and the area of the first area or the area of the second area; and constructing land space information of the third area according to the first area ratio and the second area ratio. The effect of improving the land planning utilization rate is achieved.

Description

Construction method, construction system, electronic equipment and medium of land space information

Technical Field

The application relates to the technical field of land planning, in particular to a method, a system, electronic equipment and a medium for managing land space information.

Background

As the speed of the urban process and the impact of human activities on the environment become more and more pronounced, the management and planning of land resources becomes more and more important. The construction of land resource information is a complex process, and various factors such as physical properties (such as gradient, soil type and the like) of land, existing and expected land use, environmental protection requirements and economic and social requirements of communities need to be considered, so that land space information is often displayed in the form of space distribution images, and analysis through the images is more visual when land planning is performed. In order to make an effective land planning decision, the decision maker needs accurate, detailed land space information.

At present, the traditional land information management method divides the use of the land and displays the land in images. However, in practical application, in the conventional land information management method, when a space distribution image is drawn, a space area is often present between adjacent planning areas, and in the actual land planning, the influence of the space area is not considered, so that the problem of low land utilization rate is caused in the land planning.

Disclosure of Invention

The application provides a construction method, a construction system, electronic equipment and a construction medium for land space information, which have the effects of planning land and improving land utilization rate.

In a first aspect, the present application provides a method for constructing geospatial information, including:

acquiring land information of a target planning area;

determining a plurality of first areas and second areas and at least one third area according to the land information, wherein the first areas are areas where land is unavailable in the target planning area, the second areas are areas where land is available in the target planning area, and the third areas are two adjacent first areas or interval areas between two adjacent second areas;

determining a first area ratio according to the area of the first area and the area of the second area, and determining a second area ratio according to the area of the third area and the area of the first area or the area of the second area;

and constructing land space information of the third area according to the first area ratio and the second area ratio.

By adopting the technical scheme, the land utilization status information of the target planning area is obtained. According to classification information of construction land, agricultural land and the like, a first area which cannot be developed and utilized and a second area which can be further developed are determined, and a third area which is a spacing area existing between the first area and the second area is determined. Calculating the area ratio of each first area to the adjacent second area as a first area ratio, and reflecting the area ratio relation of different types of areas; and calculating the area ratio of each third area to the adjacent first area or second area as a second area ratio to reflect the area condition of the interval area. And judging whether the interval region can be combined with the adjacent region or the repartitiontype according to the two types of area ratio indexes, and rendering to generate new land utilization information of the third region. The technical scheme has the advantages that the area ratio relation can be combined, and the re-planning and the utilization of the interval area can be realized, so that the interval area is reasonably utilized, the land utilization layout is optimized, and the land utilization efficiency is improved.

Optionally, acquiring coordinate string information of multiple years of the target planning area; inquiring geographic feature information and position information corresponding to the coordinate string information of the years according to the GIS database; and generating the spatial distribution image of the target planning area according to the geographic characteristic information and the position information.

By adopting the technical scheme, the coordinate information of the target area in different years is obtained, and the geographical information system database is searched for and obtained the geographical information of the corresponding position, such as the geographical element information of land utilization type, traffic facilities and the like, based on the coordinate information. And comprehensively processing the multi-phase geographic element information to generate land utilization distribution change images of the target area in different years. The effect of obtaining the land information is that the land utilization type and the distribution transition condition of the target area can be reflected by utilizing the geographical database resource archived by history and comparing the information in the period of many years. The method can provide data support for the subsequent determination of different functional areas, and can also provide future planning suggestions by analyzing the evolution trend of land utilization.

Optionally, extracting a map layer for construction, an agricultural map layer and an unutilized map layer in the spatial distribution image; determining the first area according to the map layer for construction and the agricultural map layer; and determining the second area according to the unused map layer.

By adopting the technical scheme, after the land utilization distribution image of the target planning area is obtained, the image layers corresponding to different land utilization types such as construction land, agricultural land and unused land are extracted through image classification processing. According to the utilized construction land and the agricultural map layer, the first area is divided into a first area which can not be developed and utilized again. And according to the unused map layer, dividing into a second area which can be further developed and utilized. The effect of determining the functional area according to the land utilization type layer is that the distribution condition of the utilized and available land resources in the target area can be intuitively and rapidly distinguished. The range of different types of land is defined, data support is provided for calculating the area ratio, and basis is provided for the subsequent establishment of utilization strategies aiming at different areas.

Optionally, judging whether the first area ratio is smaller than a preset first area ratio; and if the first area ratio is smaller than the preset standard area ratio, taking a first area corresponding to the first area ratio as a second area.

By adopting the technical scheme, after the area ratio of each first area to the adjacent second area, namely, the first area ratio is calculated, whether the first area ratio is lower than a preset threshold value or not is judged. If the first area ratio is below the threshold value, indicating that the adjacent available land resources are sufficient, it may be considered to adjust the properties of the first area from "undeveloped area" to "developable area", i.e. to re-divide into second areas. The effect of dynamically adjusting the region categories is that part of undeveloped land can be subjected to redeveloped opportunity according to the calculation result, so that the land resource layout is further optimized, and the comprehensive utilization efficiency and benefit of the land are improved.

Optionally, judging whether the second area ratio is smaller than a preset second area ratio; and if the second area ratio is smaller than the preset second area ratio, taking the interval area as two adjacent first areas or two adjacent second areas corresponding to the second area ratio.

By adopting the technical scheme, after the area ratio of each third area to the adjacent first area or second area, namely, the second area ratio is calculated, whether the second area ratio is lower than a preset threshold value or not is judged. If the second area ratio is below the threshold value, indicating that the spacing region is smaller in area, it is contemplated that it may be incorporated into an adjacent first region or second region. The effect of incorporating the interval regions is that the too small scattered regions can be effectively utilized and brought into adjacent developed or developed areas, thereby improving the intensive utilization degree of the land and optimizing the land resource allocation.

Optionally, judging whether the land types of two adjacent first areas corresponding to the second area ratio are the same; and if the land types of the two adjacent first areas corresponding to the second area ratio are the same, taking the land type of the interval area as one of the construction land, the agricultural land and the permanent farmland land.

By adopting the technical scheme, after the interval area is integrated into the adjacent first area, whether the land type of the adjacent first area at two sides of the interval area is the same is judged. If the land types of adjacent areas are the same, for example, all agricultural lands, the land type of the interval area may be determined as the same land type as it is, i.e., agricultural land. Therefore, the land types of the newly utilized interval area and the adjacent area can be kept consistent, thereby forming a land layout with coherent utilization functions and improving the rationality of land utilization.

Optionally, if the land types of the adjacent two first areas corresponding to the second area ratio are different, selecting at least two land types from the construction land, the agricultural land and the permanent farmland land as a composite land; and taking the land type of the interval area as the composite land.

By adopting the technical scheme, when the land types of the adjacent first areas at the two sides of the interval area are judged to be different, at least two different types of the land types can be selected from the construction land, the agricultural land and the permanent farmland land to form the composite land of the interval area. Therefore, different land function requirements can be considered, comprehensive and harmonious utilization of various land types in a limited interval area can be realized, and the land utilization efficiency is further improved.

In a second aspect of the present application, a system for constructing geospatial information is provided.

The information acquisition module is used for acquiring land information of the target planning area;

the area dividing module is used for determining a plurality of first areas and second areas and at least one third area according to the land information, wherein the first areas are areas where the land is unavailable in the target planning area, the second areas are areas where the land is available in the target planning area, and the third areas are two adjacent first areas or interval areas between two adjacent second areas;

the area calculation module is used for determining a first area ratio according to the area of the first area and the area of the second area, and determining a second area ratio according to the area of the third area and the area of the first area or the area of the second area;

and the information construction module is used for constructing the land space information of the third area according to the first area ratio and the second area ratio.

In a third aspect of the present application, an electronic device is provided.

A construction system of land space information comprises a memory, a processor and a program stored in the memory and capable of running on the processor, wherein the program can be loaded and executed by the processor to realize a construction method of the land space information.

In a fourth aspect of the present application, a computer-readable storage medium is provided.

A computer readable storage medium storing a computer program which, when executed by a processor, causes the processor to implement a method of constructing geospatial information.

In summary, one or more technical solutions provided in the embodiments of the present application at least have the following technical effects or advantages:

1. the method and the device acquire the land utilization status information of the target planning area. According to classification information of construction land, agricultural land and the like, a first area which cannot be developed and utilized and a second area which can be further developed are determined, and a third area which is a spacing area existing between the first area and the second area is determined. Calculating the area ratio of each first area to the adjacent second area as a first area ratio, and reflecting the area ratio relation of different types of areas; and calculating the area ratio of each third area to the adjacent first area or second area as a second area ratio to reflect the area condition of the interval area. And judging whether the interval region can be combined with the adjacent region or the repartitiontype according to the two types of area ratio indexes, and rendering to generate new land utilization information of the third region. The technical scheme has the advantages that the area ratio relation can be combined, and the re-planning and the utilization of the interval area can be realized, so that the interval area is reasonably utilized, the land utilization layout is optimized, and the land utilization efficiency is improved.

2. According to the method, coordinate information of the target area in different years is obtained, and based on the coordinate information, the ground feature information of the corresponding position, such as the land utilization type, traffic facilities and other geographic element information, is inquired and obtained in a geographic information system database. And comprehensively processing the multi-phase geographic element information to generate land utilization distribution change images of the target area in different years. The effect of obtaining the land information is that the land utilization type and the distribution transition condition of the target area can be reflected by utilizing the geographical database resource archived by history and comparing the information in the period of many years. The method can provide data support for the subsequent determination of different functional areas, and can also provide future planning suggestions by analyzing the evolution trend of land utilization.

3. After the land utilization distribution image of the target planning area is acquired, the image classification processing is carried out to extract the image layers corresponding to different land utilization types such as construction land, agricultural land and unused land. According to the utilized construction land and the agricultural map layer, the first area is divided into a first area which can not be developed and utilized again. And according to the unused map layer, dividing into a second area which can be further developed and utilized. The effect of determining the functional area according to the land utilization type layer is that the distribution condition of the utilized and available land resources in the target area can be intuitively and rapidly distinguished. The range of different types of land is defined, data support is provided for calculating the area ratio, and basis is provided for the subsequent establishment of utilization strategies aiming at different areas.

Drawings

Fig. 1 is a schematic flow chart of a method for constructing land space information according to an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a system for constructing geospatial information according to an embodiment of the present disclosure;

fig. 3 is a schematic structural diagram of an electronic device according to the disclosure in an embodiment of the present application.

Reference numerals illustrate: 300. an electronic device; 301. a processor; 302. a communication bus; 303. a user interface; 304. a network interface; 305. a memory.

Detailed Description

In order to make those skilled in the art better understand the technical solutions in the present specification, the technical solutions in the embodiments of the present specification will be clearly and completely described below with reference to the drawings in the embodiments of the present specification, and it is obvious that the described embodiments are only some embodiments of the present application, but not all embodiments.

In the description of embodiments of the present application, words such as "for example" or "for example" are used to indicate examples, illustrations or descriptions. Any embodiment or design described herein as "such as" or "for example" should not be construed as preferred or advantageous over other embodiments or designs. Rather, the use of words such as "or" for example "is intended to present related concepts in a concrete fashion.

In the description of the embodiments of the present application, the term "plurality" means two or more. For example, a plurality of systems means two or more systems, and a plurality of screen terminals means two or more screen terminals. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating an indicated technical feature. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. The terms "comprising," "including," "having," and variations thereof mean "including but not limited to," unless expressly specified otherwise.

In order to facilitate understanding of the methods and systems provided in the embodiments of the present application, a description of the background of the embodiments of the present application is provided before the description of the embodiments of the present application.

At present, the traditional land information management method divides the use of the land and displays the land in images. However, in practical application, in the conventional land information management method, when a space distribution image is drawn, a space area is often present between adjacent planning areas, and the influence of the space area is not considered in the actual land planning, so that space waste and difficult management are caused, and the problem of low land utilization rate is caused in the land planning.

The embodiment of the application discloses a construction method of land space information, which comprises the steps of identifying land information of a planning area, dividing a first area, a second area and a third area, calculating the area of an interval area between the areas, and comparing the areas of the areas, so that the interval area is planned by combining the land type of the peripheral area of the interval area. The method is mainly used for solving the problems that the space waste and the management difficulty are caused by the fact that the influence of an interval area is not considered in the actual land planning, and the land utilization rate is low in the land planning.

Those skilled in the art will appreciate that the problems associated with the prior art are solved by the foregoing background description, and a detailed description of the technical solutions in the embodiments of the present application is provided below, with reference to the drawings in the embodiments of the present application, where the described embodiments are only some embodiments of the present application, but not all embodiments.

Referring to fig. 1, a construction method of land space information includes S10 to S40, specifically including the steps of:

s10: and acquiring land information of the target planning area.

The target planning area refers to an area needing land utilization planning and management, and the range of the target planning area needs to be determined according to the actual land utilization planning requirement.

Specifically, according to a preset land planning area, a spatial distribution image of the land planning area is obtained through a GIS system, the spatial distribution image comprises land utilization information of the land planning area, and the land utilization information can be used for subsequent area division.

On the basis of the above embodiment, the specific land information obtaining step includes S11 to S13:

s11: coordinate information of the target planning area for a plurality of years is acquired.

The coordinate information refers to a longitude and latitude coordinate data set representing the range of the target planning area. Coordinate information of the target planning area for years is acquired, and basic data support is provided for developing land utilization change comparison analysis. The coordinate information is organized in a JSON format and comprises two fields of year and coordinate string, so that the program can read and process conveniently. By acquiring the year coordinates as basic data, analysis such as land utilization classification statistics, land resource change judgment and the like can be realized, and land planning decisions are served.

Illustratively, the regional plan database is queried to retrieve administrative division coordinate data for the target planning region over the past several years. And extracting region boundary coordinates of each year, performing format conversion, and converting the region boundary coordinates into coordinate string information in a JSON format. The JSON object may be set to contain two fields, year and a coordinate string field that stores the latitude and longitude coordinates of the year region boundary. And arranging the coordinate information in the JSON format according to the year sequence to form a year coordinate data set of the target planning area. By the information acquisition method, accurate coordinate boundary information of the target planning area in different years can be acquired, and the information is organized and stored in a JSON format with convenient programming processing. The method provides basic data support for the land utilization change of the subsequent comparative analysis target area in different periods. Satellite images or maps in different years can be cut according to the coordinate information, and land utilization classification statistics is carried out; the coordinate range can be calculated to judge the increase and decrease change condition of the land resource, and the coordinate information of a plurality of years enables the land utilization evolution analysis in the time dimension to be possible.

S12: and inquiring geographic characteristic information and position information corresponding to the coordinate string information of a plurality of years according to the GIS database.

The GIS database refers to a geospatial database in a geographic information system, and is used for storing data of various geographic elements, such as position coordinates of ground features such as roads, rivers, buildings and the like, and geospatial data such as attribute information. The GIS database has a space index function, and can quickly inquire data according to geographic positions. Various spatial analyses such as stacking, buffer analysis, etc. are also supported. The GIS database contains coordinate system information, and conversion between different coordinate systems can be performed. The GIS database is based on a relational database, has the general function of a database management system, and can store various spatial data types such as points, lines, planes, images, grids and the like.

The GIS geographic information system database is built, and various geographic element data of the target area range are recorded, wherein the geographic element data comprise natural condition data such as topography, climate hydrology, soil vegetation and the like, and characteristic data such as road water system, residential point distribution and the like. And importing the coordinate information into a GIS database, setting the query condition as a coordinate range, calling a query API interface, and searching out geographic element information conforming to the coordinate range of each year. The query results are organized together to form a geographic feature dataset comprising a plurality of years. By the method, detailed geographic characteristic information of the target planning area in different periods can be obtained, including aspects of terrain, water system, vegetation and the like. The method is helpful for comprehensively knowing the natural resource conditions of the areas and providing scientific basis for land planning. The terrain information reflects the regional terrain characteristics, the water resources related to the water system information are distributed, and the vegetation information influences the difficulty level of land development. Road and residential information characterizes regional traffic and demographics. The geographic information can be dynamically changed for a plurality of years, and the land planning is supported.

S13: and generating a spatial distribution image of the target planning area according to the geographic characteristic information and the position information.

Illustratively, a digital elevation model of the target area is drawn according to geographic feature data such as topography and topography. And on the basis of the elevation model, rendering colors corresponding to different land utilization types by using land utilization classification results to form a land utilization classification map of the planning area. The marking symbols of the road, river and other position information, resident points, administrative division and the like are superimposed on the land utilization classification map, so that the internal structure of the area is embodied. And setting reasonable legend azimuth marks and outputting high-definition space distribution images. By the method, the whole land utilization structure and the internal layout characteristics of the target planning area can be intuitively displayed. The space distribution image can clearly identify the landform distribution of mountain land, plain, water body and the like and the range distribution of various land utilization, and the geographic characteristics for planning land identification land can be obtained. The superposition of the position information of roads, residents and the like presents the internal structural relationship of the area, and the space distribution image provides an important reference basis for the subsequent establishment of a land use planning scheme.

S20: and determining a plurality of first areas and second areas and at least one third area according to the land information, wherein the first areas are areas which cannot utilize land in the target planning area, the second areas are areas which can utilize land in the target planning area, and the third areas are two adjacent first areas or interval areas between two adjacent second areas.

Wherein the first area refers to an unavailable land area in the target planning area, and comprises land which is used for construction or agricultural production, and the first area reflects an area which cannot be developed any more under the current condition.

The second area refers to an available land area in the target planning area, including undeveloped and utilized barren lands, grasslands, etc., and reflects a land resource area available for newly added construction or agricultural production.

The third area refers to an interval area between the first area or the second area, and an area which is not considered in the previous land planning can be reasonably utilized through the land planning so as to improve the land utilization rate.

Specifically, after the land information of the target planning area is obtained, that is, the spatial distribution image of the land. The system can extract each layer of information in the land information according to a preset algorithm, and further divide the space distribution image of the land into areas. The specific steps of the region division include S21 to S22:

s21: and extracting a construction map layer, an agricultural map layer and an unused map layer in the space distribution image.

The map layer for construction represents a land area which is used for construction purposes such as buildings, traffic, public facilities and the like in the target planning area, and the land area is obtained through image classification and extraction and reflects the distribution condition of land resources which are utilized in the area.

The agricultural map layer represents a land area within the target planning area that has been used for agricultural production such as planting, forestry, pasture, etc. The land resource distribution which is developed and utilized in the fields of agriculture and the like in the region is reflected by the image classification and extraction.

The unused map layer represents the land which is not developed and utilized in the target planning area, such as barren lands, grasslands and the like, is obtained through image classification and extraction, reflects the land resource distribution which is not developed and utilized in the area, and has development and utilization potential.

Illustratively, a typical sample is selected, a land use classification model is trained using a supervised classification method, the model comprising three categories of construction land, agricultural land and unused land. And performing pixel classification on the spatial distribution image by using the trained model to obtain an original image layer image. And carrying out region growth and boundary refining on the original map layer image to obtain a map layer for construction, an agricultural map layer and an unutilized map layer with clear classification boundaries. And counting area values of all categories based on the layers, deriving a vector layer in a geocoding format, and completely storing space range information utilized by three types of lands. By the method, the geographical distribution data of the target area classified according to the land utilization type can be accurately extracted from the visual space distribution image, and a foundation is laid for the subsequent determination of different types of utilization areas. The three types of utilization layers divide the land resources of the target planning area into three states of developed utilization, developable utilization and not utilized, reflect the utilization structure in the area and are important references for land planning. Its vectorized data form also facilitates superposition analysis with other spatial data.

S22: determining a first area according to the map layer for construction and the agricultural map layer; and determining a second area according to the unused map layer.

For example, a clipping analysis tool of a geographic information system is called for a map layer for construction and an agricultural map layer, space boundaries of the two types of utilized lands are accurately clipped, and fusion is carried out to obtain all the land ranges which are utilized in a target area, namely the map layer for construction and the agricultural map layer, and the land ranges are determined to be a first area which cannot be developed and utilized any more. And calling a clipping tool aiming at the unused map layer, acquiring the space range of the unused land, and determining the space range as a second area which can be further developed. And counting the areas of the two types of areas, recording the coordinate ranges, and completing the extraction and the determination of the first area and the second area. According to the method, the unrevedable land range and the available land range in the target planning area can be accurately divided based on the land utilization condition, and a basis is provided for the subsequent reasonable planning of land resources. The first region reflects the distribution of land resources that have been utilized within the region, and the second region reflects the range of space available for development. The determination of the two types of areas makes the utilization condition of the land resources clear at a glance, and is helpful for land planning departments to formulate scientific and reasonable utilization strategies.

S30: a first area ratio is determined based on the area of the first region and the area of the second region, and a second area ratio is determined based on the area of the third region and the area of the first region.

Wherein the first area ratio is the ratio of the area of each first region to the area of the second region. Reflecting the area occupancy of each non-reusable land area in all available land areas.

The second area ratio is the ratio of the area of each third area to the areas of two adjacent first areas or to the areas of two adjacent second areas, reflecting the area ratio of each spacing area to an adjacent unavailable land area or an available land area.

Specifically, in order to evaluate the land resource margin around each first area and the combined utilization potential of each third area, the area ratio of each first area to the adjacent second area needs to be calculated as a first area ratio, and the area ratio of each third area to the adjacent first area needs to be calculated as a second area ratio. For each first area, calculating the ratio of the total area of each first area to the total area of the second area by adopting an adjacent area searching tool of a geographic information system as a first area ratio of the corresponding first area; for each third region, two adjacent first regions or two adjacent second regions are found, and the ratio of the areas of each third region to the two adjacent first regions or the two adjacent second regions is calculated as the second area ratio of the corresponding third region. An area ratio dataset is formed comprising a first area ratio for each first region and a second area ratio for each third region. The method can quantify the margin of available land around each first area and the incorporation potential of each third area, and provides basis for the subsequent establishment of utilization strategies for different areas.

S40: and constructing land space information of the third area according to the first area ratio and the second area ratio.

The land space information refers to new division layout information of all lands in a target planning area formed after area ratio calculation and planning and utilization of a third area and a first area which are interval areas. The new land layout after the third area and the first area are reasonably planned and utilized according to the area ratio result is reflected, and a space distribution image is generated through rendering processing, wherein the space distribution image contains complete land utilization information such as the category, the coordinate range, the land type and the like of each area after planning and optimization. The utilization of the interval area is further improved on the basis of the original land utilization, and the formed new land space layout provides a basis for the reasonable and efficient utilization of land resources.

Specifically, after each first area ratio and each second area ratio are obtained, through a preset division rule, the system performs land planning on the third area and the first area with smaller occupation according to the first area ratio and the second area ratio, so that new land planning information is rearranged, and corresponding land space information, namely a space distribution image, is generated. The specific steps of re-planning the land according to the preset division rule include S41 to S43:

S41: judging whether the first area ratio is smaller than a preset first area ratio or not; and if the first area ratio is smaller than the preset standard area ratio, taking the first area corresponding to the first area ratio as the second area.

Illustratively, for a constructed area ratio dataset, the first area ratio result of each first region is retrieved one by one, which is compared with a preset threshold. If a first area ratio of a first region is found to be below a threshold value, indicating that there are more available second regions around the first region, then the first region may be considered for re-planning. In the geographic information system, the corresponding regional category attribute is changed from a first region to a second region, namely, the region category attribute is adjusted from a non-developable region to a developable region. The judgment process is repeated until all the judgment of the first areas is completed. According to the method, dynamic adjustment of land types can be achieved according to the first area ratio result, and part of undeveloped areas are changed into developable areas, so that comprehensive utilization efficiency of lands and planning benefits are further improved. The new region division result will also be reflected in the subsequently generated geospatial information.

S42: judging whether the second area ratio is smaller than a preset second area ratio or not; and if the second area ratio is smaller than the preset second area ratio, taking the interval area as two adjacent first areas or two adjacent second areas corresponding to the second area ratio.

Illustratively, the second area ratio result of each third region is retrieved one by one for the constructed area ratio dataset and compared with a preset threshold. If the second area ratio of a third region is found to be below the threshold value, indicating that the spacing region is smaller in area, it is contemplated that it may be incorporated into an adjacent first or second region. In the geographic information system, the region attribute of the third region is divided into the categories of the adjacent regions according to the categories of the adjacent regions, namely, the adjacent first region or the adjacent second region is merged. This determination process is repeated until the processing of all the third areas is completed. According to the method, the dynamic adjustment and combination of the interval areas can be realized according to the second area ratio result, the too small interval lands are effectively utilized, the land utilization efficiency is improved, and the combined area categories are reflected in the subsequently generated land space information.

On the basis of the above embodiment, if there is a difference between the land types of two adjacent first areas, the land type combination is further required, and the specific steps include:

in the geographic information system, for example, the third area which is integrated with the first area is determined, the land type attribute data of the adjacent areas are extracted for judgment and comparison, and if the land types of the first areas at the two sides are the same, namely the first areas are the construction land, the agricultural land and the like, the land type of the third area is set to be the same type. For example, if both sides are construction lands, the third area is divided into construction lands. The discrimination process is repeated until the determination of all the third area land types is completed. By the method, the land type of the interval area is consistent with that of the adjacent first area, so that the newly-added area and the original area are integrated, the land utilization rationality is improved, and the adjusted land type is reflected in the post-generated land space information.

Illustratively, in the geographic information system, the land type of the adjacent two side areas of the interval area is read, and at least two different types among the construction land, the agricultural land and the permanent farmland land are selected as components of the composite land. For example, if one side is a construction land and the other side is an agricultural land, the space area may be planned as a composite land of the construction land and the agricultural land. The composite floor type is updated to the floor attribute of the interval region. Therefore, the requirements of different land use can be met in a limited interval area, and the comprehensive utilization efficiency and benefit of the land are improved. The new composite land type will also be reflected in the subsequently generated land space distribution information.

Referring to fig. 2, a system for constructing geospatial information according to an embodiment of the present application includes: the system comprises an information acquisition module, a region division module, a region calculation module and an information construction module, wherein:

the regional division module is used for determining a plurality of first regions and second regions and at least one third region according to the land information, wherein the first regions are regions which cannot utilize land in the target planning region, the second regions are regions which can utilize land in the target planning region, and the third regions are two adjacent first regions or interval regions between the two adjacent second regions;

On the basis of the above embodiment, the information obtaining module is further configured to obtain coordinate string information of multiple years in the target planning area; inquiring geographic characteristic information and position information corresponding to the coordinate string information of a plurality of years according to the GIS database; and generating a spatial distribution image of the target planning area according to the geographic characteristic information and the position information.

On the basis of the embodiment, the area dividing module is further used for extracting a map layer for construction, an agricultural map layer and an unutilized map layer in the space distribution image; determining a first area according to the map layer for construction and the agricultural map layer; and determining a second area according to the unused map layer.

On the basis of the above embodiment, the information construction module is further configured to determine whether the first area ratio is smaller than a preset first area ratio; and if the first area ratio is smaller than the preset standard area ratio, taking the first area corresponding to the first area ratio as the second area.

On the basis of the above embodiment, the information construction module is further configured to determine whether the second area ratio is smaller than a preset second area ratio; and if the second area ratio is smaller than the preset second area ratio, taking the interval area as two adjacent first areas or two adjacent second areas corresponding to the second area ratio.

On the basis of the embodiment, the information construction module is further configured to determine whether the land types of two adjacent first areas corresponding to the second area ratio are the same; and if the land types of the adjacent two first areas corresponding to the second area ratio are the same, taking the land type of the interval area as one of construction land, agricultural land and permanent farmland land.

On the basis of the embodiment, the information construction module is further configured to select at least two land types from the construction land, the agricultural land and the permanent farmland land as the composite land if the land types of the two adjacent first areas corresponding to the second area ratio are different; the land type of the space region is used as the composite land.

It should be noted that: in the device provided in the above embodiment, when implementing the functions thereof, only the division of the above functional modules is used as an example, in practical application, the above functional allocation may be implemented by different functional modules according to needs, that is, the internal structure of the device is divided into different functional modules, so as to implement all or part of the functions described above. In addition, the embodiments of the apparatus and the method provided in the foregoing embodiments belong to the same concept, and specific implementation processes of the embodiments of the method are detailed in the method embodiments, which are not repeated herein.

The application also discloses electronic equipment. Referring to fig. 3, fig. 3 is a schematic structural diagram of an electronic device according to the disclosure in an embodiment of the present application. The electronic device 300 may include: at least one processor 301, at least one network interface 304, a user interface 303, a memory 305, at least one communication bus 302.

Wherein the communication bus 302 is used to enable connected communication between these components.

The user interface 303 may include a Display screen (Display) interface and a Camera (Camera) interface, and the optional user interface 303 may further include a standard wired interface and a standard wireless interface.

The network interface 304 may optionally include a standard wired interface, a wireless interface (e.g., WI-FI interface), among others.

Wherein the processor 301 may include one or more processing cores. The processor 301 utilizes various interfaces and lines to connect various portions of the overall server, perform various functions of the server and process data by executing or executing instructions, programs, code sets, or instruction sets stored in the memory 305, and invoking data stored in the memory 305. Alternatively, the processor 301 may be implemented in hardware in at least one of digital signal processing (Digital Signal Processing, DSP), field programmable gate array (Field-Programmable Gate Array, FPGA), programmable logic array (Programmable Logic Array, PLA). The processor 301 may integrate one or a combination of several of a central processing unit (Central Processing Unit, CPU), an image processor (Graphics Processing Unit, GPU), and a modem etc. The CPU mainly processes an operating system, a user interface diagram, an application program and the like; the GPU is used for rendering and drawing the content required to be displayed by the display screen; the modem is used to handle wireless communications. It will be appreciated that the modem may not be integrated into the processor 301 and may be implemented by a single chip.

The Memory 305 may include a random access Memory (Random Access Memory, RAM) or a Read-Only Memory (Read-Only Memory). Optionally, the memory 305 includes a non-transitory computer readable medium (non-transitory computer-readable storage medium). Memory 305 may be used to store instructions, programs, code, sets of codes, or sets of instructions. The memory 305 may include a stored program area and a stored data area, wherein the stored program area may store instructions for implementing an operating system, instructions for at least one function (such as a touch function, a sound playing function, an image playing function, etc.), instructions for implementing the above-described respective method embodiments, etc.; the storage data area may store data or the like involved in the above respective method embodiments. Memory 305 may also optionally be at least one storage device located remotely from the aforementioned processor 301. Referring to fig. 3, an operating system, a network communication module, a user interface module, and an application program of a construction method of geospatial information may be included in the memory 305 as a computer storage medium.

In the electronic device 300 shown in fig. 3, the user interface 303 is mainly used for providing an input interface for a user, and acquiring data input by the user; and processor 301 may be used to invoke an application program in memory 305 that stores a method of construction of geospatial information, which when executed by one or more processors 301, causes electronic device 300 to perform the method as in one or more of the embodiments described above. It should be noted that, for simplicity of description, the foregoing method embodiments are all expressed as a series of action combinations, but it should be understood by those skilled in the art that the present application is not limited by the order of actions described, as some steps may be performed in other order or simultaneously in accordance with the present application. Further, those skilled in the art will also appreciate that the embodiments described in the specification are all preferred embodiments, and that the acts and modules referred to are not necessarily required in the present application.

In the foregoing embodiments, the descriptions of the embodiments are emphasized, and for parts of one embodiment that are not described in detail, reference may be made to related descriptions of other embodiments.

In the several embodiments provided herein, it should be understood that the disclosed apparatus may be implemented in other ways. For example, the apparatus embodiments described above are merely illustrative, such as a division of units, merely a division of logic functions, and there may be additional divisions in actual implementation, such as multiple units or components may be combined or integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be through some service interface, device or unit indirect coupling or communication connection, electrical or otherwise.

The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed over a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

In addition, each functional unit in each embodiment of the present application may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.

The integrated units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable memory. Based on such understanding, the technical solution of the present application may be embodied in essence or a part contributing to the prior art or all or part of the technical solution in the form of a software product stored in a memory, including several instructions for causing a computer device (which may be a personal computer, a server or a network device, etc.) to perform all or part of the steps of the methods of the embodiments of the present application. And the aforementioned memory includes: various media capable of storing program codes, such as a U disk, a mobile hard disk, a magnetic disk or an optical disk.

The above are merely exemplary embodiments of the present disclosure and are not intended to limit the scope of the present disclosure. That is, equivalent changes and modifications are contemplated by the teachings of this disclosure, which fall within the scope of the present disclosure. Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure.

This application is intended to cover any adaptations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a scope and spirit of the disclosure being indicated by the claims.

Claims

1. The construction method of the land space information is characterized by comprising the following steps:

acquiring land information of a target planning area;

2. The method for constructing land space information according to claim 1, wherein the land information includes a space distribution image, and the obtaining land information of the target planning area includes:

acquiring coordinate string information of a plurality of years of the target planning area;

inquiring geographic feature information and position information corresponding to the coordinate string information of the years according to the GIS database;

and generating the spatial distribution image of the target planning area according to the geographic characteristic information and the position information.

3. The method of constructing geospatial information according to claim 1, wherein the geospatial information includes the spatially distributed image, and determining a plurality of first and second regions and at least one third region from the geospatial information includes:

extracting a map layer for construction, an agricultural map layer and an unused map layer in the spatial distribution image;

determining the first area according to the map layer for construction and the agricultural map layer;

and determining the second area according to the unused map layer.

4. The method of constructing geospatial information according to claim 1, wherein the constructing the geospatial information for the third region from the first area ratio and the second area ratio includes:

judging whether the first area ratio is smaller than a preset first area ratio or not;

and if the first area ratio is smaller than the preset standard area ratio, taking a first area corresponding to the first area ratio as a second area.

5. The method of constructing geospatial information according to claim 1, wherein the constructing the geospatial information for the third region according to the first area ratio and the second area ratio further comprises:

judging whether the second area ratio is smaller than a preset second area ratio or not;

and if the second area ratio is smaller than the preset second area ratio, taking the interval area as two adjacent first areas or two adjacent second areas corresponding to the second area ratio.

6. The method for constructing geospatial information according to claim 5, wherein the land type of the first area includes a construction land, an agricultural land, and a permanent farmland land, and if the second area ratio is smaller than the preset second area ratio, the step of using the interval area as the first area corresponding to the second area ratio includes:

Judging whether the land types of two adjacent first areas corresponding to the second area ratio are the same or not;

and if the land types of the two adjacent first areas corresponding to the second area ratio are the same, taking the land type of the interval area as one of the construction land, the agricultural land and the permanent farmland land.

7. The method for constructing geospatial information according to claim 6, wherein after determining whether the land types of two adjacent first areas corresponding to the second area ratio are the same, further comprising:

if the land types of the adjacent two first areas corresponding to the second area ratio are different, selecting at least two land types from the construction land, the agricultural land and the permanent farmland land as a composite land;

and taking the land type of the interval area as the composite land.

8. A system for constructing geospatial information, the system comprising:

9. An electronic device comprising a processor, a memory, a user interface and a network interface, the memory for storing instructions, the user interface and the network interface for communicating to other devices, the processor for executing the instructions stored in the memory to cause the electronic device to perform the method of managing geospatial information according to any of claims 1-7.

10. A computer readable storage medium storing instructions which, when executed, perform the method steps of managing geospatial information as claimed in any one of claims 1 to 7.