CN-121981492-A - Resource space optimization configuration method and system for land planning

CN121981492ACN 121981492 ACN121981492 ACN 121981492ACN-121981492-A

Abstract

The invention discloses a resource space optimizing configuration method and a system for land planning, and relates to the technical field of land planning and resource space configuration; the method comprises the steps of acquiring spatial data of a preprocessing planning area, constructing a complete topological adjacency relation, establishing a neighborhood association constraint matrix and a constraint processing priority sequence, screening candidate land types through priority and completing initial configuration based on comprehensive configuration scores, detecting and resolving neighborhood conflicts, adjusting land structure deviation, and outputting a configuration scheme based on constraint compliance verification, so that the problem that the neighborhood association constraint is difficult to be effectively coupled in an optimization solving process is effectively solved, scientificity and rationality of land resource space configuration are remarkably improved, and constraint compliance rate and resource utilization efficiency of the configuration scheme are improved.

Inventors

JIN GUOYONG
JIN TAO
JIN QI
LI BING

Assignees

上海境琦机械设备有限公司

Dates

Publication Date: 20260505
Application Date: 20260225

Claims (8)

1. The resource space optimizing configuration method for land planning is characterized by comprising the following steps: S1, space data acquisition and preprocessing, namely acquiring space unit vector boundaries, current land use type codes, land block attribute parameters and topological adjacency relation data through a data acquisition unit integrating remote sensing image interpretation, geographic information database retrieval and field survey data entry, and constructing a planning area basic space data set through quality verification, complementation, restoration, standardization processing and topological adjacency relation reconstruction; S2, constructing a neighborhood association constraint, namely obtaining a neighborhood association coefficient based on boundary contact coefficients, direction weight coefficients and type compatibility coefficients of space unit pairs, constructing a neighborhood association constraint matrix, dividing constraint sensitivity levels and classifying space units to form a constraint processing priority sequence; S3, constraint coupling optimization solving, namely embedding a neighborhood association constraint matrix into an iterative optimization solving process, and realizing collaborative optimization of land type configuration of each space unit through a constraint transfer mechanism; s4, generating a configuration scheme, namely constructing a configuration result data table, and performing structural adjustment based on the land structure deviation degree to generate a space configuration scheme vector layer and a statistical report; S5, verifying and outputting the configuration scheme, namely performing neighborhood constraint compliance verification on the configuration scheme, judging the validity of the configuration scheme and outputting a final configuration result.
2. The resource space optimizing configuration method for land planning according to claim 1, wherein the specific operation step of S2 includes: Based on the reconstructed topological adjacency relation table and the standardized vector boundary, extracting geographic characteristic parameters from the space unit pairs with adjacency marks, and obtaining boundary contact coefficients through the shared boundary length and the unit perimeter of the space unit pairs; Constructing a two-dimensional plane vector by combining space unit geometric coordinates, and obtaining a direction weight coefficient based on an included angle between the vector and the north direction and a direction sensitivity factor; extracting land type compatibility rules from land planning rules, grading, assigning points and normalizing to obtain type compatibility coefficients; coupling is carried out based on the boundary contact coefficient, the direction weight coefficient and the type compatibility coefficient to obtain a neighborhood association coefficient, and an association coefficient detail table is formed; And constructing an N multiplied by N space matrix based on the total number of the space units, and setting assignment rules based on the adjacent relation among the units, the non-adjacent relation and the same unit to finish the construction of the neighborhood association constraint matrix.
3. The resource space optimizing configuration method for land planning according to claim 2, wherein the specific operation step of S2 further comprises: Combining the neighborhood correlation coefficient and the area occupation ratio of adjacent space units to obtain the neighborhood constraint intensity of each space unit; normalizing and grading the neighborhood constraint intensity of all the space units, generating high, medium and low three-level constraint sensitivity levels, and constructing a three-dimensional association table containing space unit numbers, neighborhood constraint intensity and constraint sensitivity levels; screening a key constraint unit with a high constraint sensitivity level and a secondary constraint unit with a middle constraint sensitivity level corresponding to the adjacent key constraint units based on a three-dimensional association table, wherein the rest is a common space unit; And constructing a constraint unit linked list by taking the key constraint units as core nodes and taking the secondary as auxiliary nodes, arranging the core nodes in a descending order based on the neighborhood constraint strength of the key constraint units, and associating and arranging the auxiliary nodes to form an integrated constraint processing priority sequence and storing the integrated constraint processing priority sequence in association with a constraint matrix.
4. The resource space optimizing configuration method for land planning according to claim 1, wherein the specific operation step of S3 includes: Based on the constraint processing priority sequence, integrating a neighborhood association constraint matrix, constraint sensitivity level, an adjacent unit set and a basic space data set, and constructing a constraint coupling optimization solution exclusive data set; Combining the regional land planning target, the land type compatibility rule and the space unit topography and ownership, screening optional land types from the corresponding classification standards to form a candidate type set; Initializing space unit configuration certainty based on neighborhood association coefficients with adjacent units when each candidate land type is configured; obtaining a neighborhood adaptation score based on the neighborhood association coefficient and the configuration certainty factor, obtaining a resource benefit score based on a resource benefit evaluation index, and calling a constraint sensitivity level to obtain a neighborhood adaptation weight; And selecting the highest comprehensive configuration score as a temporary configuration type, setting the configuration certainty as 1, and sequentially completing temporary configuration of all space units based on priority to form an initial temporary configuration scheme.
5. The method for optimizing and configuring a resource space for land planning according to claim 4, wherein the specific operation step of S3 further comprises: Retrieving temporary configuration types of adjacent units of each space unit from the initial temporary configuration scheme, and matching type compatibility coefficients based on a land type compatibility lookup table; If the type compatibility coefficient is smaller than the preset threshold value, marking the type compatibility coefficient as a conflict unit pair and recording the conflict list; The space unit with low configuration stability index in the conflict unit pair is marked as a unit to be adjusted, the current temporary configuration type of the unit to be adjusted is removed, the replacement configuration type with the highest comprehensive configuration score is screened again from the remaining candidate types, and the neighborhood association constraint matrix and the association coefficient detail table are synchronously updated; Traversing adjacent space units of the unit to be adjusted, if the constraint sensitivity level change exceeds a preset threshold, incorporating the adjacent space units into a secondary detection queue, repeating conflict judgment, marking, configuration stability index calculation, screening and replacement configuration of the unit to be adjusted, and updating the constraint sensitivity level of the adjacent space units until the conflict list is empty or reaches a preset maximum iteration number, and if the iteration exceeds the preset threshold, reducing the preset threshold of the type compatibility coefficient to start constraint relaxation processing.
6. The resource space optimizing configuration method for land planning according to claim 1, wherein the specific operation steps of S4 are as follows: Based on the final temporary configuration scheme, extracting the final configuration types and comprehensive configuration scores of all the space units, and constructing a configuration result data table by taking the space unit numbers as unique identifiers; Based on final land type coding grouping summarization, based on the total area occupation ratio of each type of land, comparing the land planning target occupation ratio of the area to obtain land structure deviation degree; The land types with the land structure deviation degree exceeding a preset threshold are arranged in descending order according to the land structure deviation degree, the type with the largest deviation degree is preferentially adjusted, and a space unit with the lowest corresponding comprehensive configuration score is screened as an adjustable unit; Screening the residual candidate types for satisfying the neighborhood association constraint and reducing the overall deviation, and updating the configuration after verifying that the type compatibility coefficients of the alternative types and all adjacent units reach the standard; After the structure adjustment of all the land types exceeding the preset threshold is completed, the final land type codes are written into the space unit vector boundary attribute field constructed in the S1 to generate a space configuration scheme vector image layer, and meanwhile, a configuration scheme statistical report is generated based on land type classification summarization.
7. The resource space optimizing configuration method for land planning according to claim 1, wherein the specific operation steps of S5 are as follows: Based on the generated space configuration scheme vector layer and the configuration result data table, executing neighborhood constraint compliance test on each space unit, calling the final land type code of the adjacent units of the space unit, and based on the matching type compatibility coefficient of the land type compatibility lookup table, obtaining unit level constraint compliance; The space unit area is taken as weight to be weighted and summarized to obtain scheme-level constraint compliance rate, and hierarchical processing is carried out based on the scheme-level constraint compliance rate: If the scheme level constraint compliance rate is greater than the maximum value of the preset interval, judging that the scheme is effective and locking the current configuration result; if the scheme level constraint compliance rate is in a preset interval, screening space units with unit level compliance lower than a threshold value, and returning to the step S3 again for optimization solution; If the scheme level constraint coincidence rate is smaller than the minimum value of the preset interval, recording failure reasons, resetting the configuration state, up-regulating the neighborhood adaptation weight reference value, and re-executing S3-S5; And after verification is passed, integrating the space configuration scheme vector layer, the configuration scheme statistical report and the verification result record, outputting the results to a planning result database, and synchronously generating a configuration scheme description document.
8. A system for applying to a resource space optimizing configuration method for land planning according to any one of claims 1 to 7, comprising: The space data acquisition and preprocessing module integrates remote sensing image interpretation, geographic information database retrieval and field investigation input functions, acquires four types of core basic data, and reconstructs a topological adjacency relation through quality check, complementation, topology restoration and standardization processing to construct a planning region basic space data set; The neighborhood association constraint construction module generates neighborhood association coefficients and constraint matrixes based on boundary contact, direction weights and type compatibility coefficients, classifies the neighborhood association coefficients and constraint matrixes to obtain constraint sensitivity levels, classifies space units and forms constraint processing priority sequences; The constraint coupling optimization solving module is used for completing initial configuration based on the priority sequence, detecting and resolving neighborhood conflict, carrying out iterative processing until the conflict is cleared, and outputting a final temporary configuration scheme; The configuration scheme generating module is used for constructing a configuration result data table, carrying out structural adjustment based on the land structure deviation degree and generating a space configuration scheme vector layer and a statistical report; And the configuration scheme verification and output module is used for synchronously generating a standardized description document based on the unit level and scheme level constraint compliance rate and the hierarchical judgment processing and the integration result output to the database after verification.

Description

Resource space optimization configuration method and system for land planning Technical Field The invention relates to the technical field of land planning and resource space allocation, in particular to a resource space optimization allocation method and system for land planning. Background With the development of geographic information science, operation research and intelligent optimization algorithms, the traditional land planning mode is gradually replaced by quantitative and modeling technical means, so that quantitative solution of land resource configuration is realized, and the scientificity and efficiency of planning are improved to a certain extent; The neighborhood association constraint among plots is the core space constraint of land space configuration, covers the multi-dimensional degrees such as land property adjacency adaptation, ecological space communication, public service neighborhood coverage and the like, directly determines the space feasibility and the floor property of a planning scheme, but the prior art is difficult to effectively couple the space feasibility and the floor property to the optimization solution core process all the time, and the defects of the prior art are specifically expressed in the following aspects: the neighborhood association constraint is only used as a post verification condition, is not integrated with the whole algorithm solution process, is mainly qualitative description, lacks a quantitative expression and evaluation system which can be identified by the algorithm, is only integrated with the data layer by the GIS and the algorithm, and can not be transmitted to the solution process in real time; the problems of land adjacency conflict, ecological space fragmentation and the like frequently occur in an optimization scheme, the contradiction of 'optimal numerical value but infeasible space' is formed, the correction cost is high, the numerical value optimization effect of the original scheme is easily damaged, the fine requirements of the current homeland space planning are difficult to adapt, and the development of a land resource space optimization configuration method capable of coupling the neighborhood association constraint depth and accuracy to the optimization solving whole process is urgent. In order to solve the above-mentioned defect, a technical scheme is provided. Disclosure of Invention The invention aims to solve the problem that the neighborhood association constraint is difficult to be effectively coupled in the optimization solving process, and provides a resource space optimization configuration method and system for land planning. The aim of the invention can be achieved by the following technical scheme: A resource space optimizing configuration method for land planning comprises the following steps: S1, space data acquisition and preprocessing, namely acquiring space unit vector boundaries, current land use type codes, land block attribute parameters and topological adjacency relation data through a data acquisition unit integrating remote sensing image interpretation, geographic information database retrieval and field survey data entry, and constructing a planning area basic space data set through quality verification, complementation, restoration, standardization processing and topological adjacency relation reconstruction; S2, constructing a neighborhood association constraint, namely obtaining a neighborhood association coefficient based on boundary contact coefficients, direction weight coefficients and type compatibility coefficients of space unit pairs, constructing a neighborhood association constraint matrix, dividing constraint sensitivity levels and classifying space units to form a constraint processing priority sequence; S3, constraint coupling optimization solving, namely embedding a neighborhood association constraint matrix into an iterative optimization solving process, and realizing collaborative optimization of land type configuration of each space unit through a constraint transfer mechanism; s4, generating a configuration scheme, namely constructing a configuration result data table, and performing structural adjustment based on the land structure deviation degree to generate a space configuration scheme vector layer and a statistical report; S5, verifying and outputting the configuration scheme, namely performing neighborhood constraint compliance verification on the configuration scheme, judging the validity of the configuration scheme and outputting a final configuration result. As a further improvement of the present invention, the specific operation steps of S2 include: Based on the reconstructed topological adjacency relation table and the standardized vector boundary, extracting geographic characteristic parameters from the space unit pairs with adjacency marks, and obtaining boundary contact coefficients through the shared boundary length and the unit perimeter of the space unit pairs; Constructing