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Map spot fragmentation information processing method based on ArcGIS

An information processing method and fragmentation technology, applied in the field of land spatial planning, can solve the problems of failing to display the actual spatial distribution state of different land use functions, and failing to solve the management and control of the spatial distribution state, so as to reduce costs and reduce costs. The effect of wasting human and material resources

Pending Publication Date: 2021-02-05
TONGJI UNIV
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Problems solved by technology

It neither shows the actual spatial distribution of different land use functions, nor solves the problem of effective management and control of the spatial distribution.

Method used

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  • Map spot fragmentation information processing method based on ArcGIS

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Embodiment 1

[0036] Such as figure 1 As shown, an ArcGIS-based method for processing map fragmentation information, specifically includes the following steps:

[0037] Step S1: Obtain the map spots of the research area, and import the map spots into the geographic information processing model;

[0038] Step S2: Obtain the plot boundary of the research area, simplify the map spots according to the plot boundaries, and form the map spot analysis floor;

[0039] Step S3: Obtain the boundary of the analysis unit of the research area and input it into the geographic information processing model, and the geographic information processing model divides the map spot analysis base plate according to the boundary of the analysis unit to obtain the analysis unit;

[0040] Step S4: Calculate the landscape pattern index of the analysis unit based on the segmented patch analysis floor, standardize the three calculated landscape pattern indexes, and output the comprehensive analysis results of land use ...

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Abstract

The invention relates to a map spot fragmentation information processing method based on ArcGIS, and the method specifically comprises the following steps: S1, obtaining a map spot of a research region, and importing the map spot into a geographic information processing model; s2, acquiring a plot boundary of the research area, and simplifying the map spots according to the plot boundary to form apattern spot analysis bottom plate; s3, acquiring analysis unit boundaries of the research area and inputting the analysis unit boundaries into a geographic information processing model, and segmenting the pattern spot analysis bottom plate by the geographic information processing model according to the analysis unit boundaries to obtain analysis units; and S4, calculating a landscape pattern index of an analysis unit according to the segmented pattern spot analysis bottom plate, standardizing the landscape pattern index, and outputting a land fragmentation comprehensive analysis result of the research area. Compared with the prior art, the method has the advantages of convenience, quickness, improvement of effective management and control of the actual spatial distribution state of the land use function and the like.

Description

technical field [0001] The present invention relates to the technical field of land space planning, in particular to an ArcGIS-based method for processing fragmentation information of map patches. Background technique [0002] At present, in land spatial planning, people have generally realized the problems caused by low-utility land, and tried to study and solve them. However, the evaluation of the land-average intensity of "input-output" efficiency only reflects one aspect of the economic benefits of land use. Moreover, the deepest cause of the difference in input and output per land is the dual dependence on land finance and real estate development in the local economic development model, which is determined by the national land system and fiscal and taxation system, and cannot propose optimal countermeasures in terms of technical methods. [0003] The above mentioned does not involve the issue of spatial performance differences caused by different planning strategies an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/29G06F16/55
CPCG06F16/29G06F16/55
Inventor 杨帆陶沛宏
Owner TONGJI UNIV
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