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Urban land block reachability metering method

A measurement method and accessibility technology, applied in computing, data processing applications, structured data retrieval, etc., can solve problems such as lack of practical value

Active Publication Date: 2019-05-21
SOUTHEAST UNIV
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Problems solved by technology

Because the core of urban planning should not be facilities, but diversified land types, the existing accessibility models for a single type of facilities lack practical value for urban planning for diversified land types

Method used

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  • Urban land block reachability metering method
  • Urban land block reachability metering method
  • Urban land block reachability metering method

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Embodiment Construction

[0047] Such as figure 1 As shown, a method for measuring the accessibility of urban land blocks includes the following steps:

[0048] (1) Prepare the GIS files of various land use attribute data considered in the urban planning stage and the road network GIS files in the urban planning stage;

[0049] (2) Select the grid scale, conduct grid processing on the accessibility assessment area, and divide the research area into grids of equal size;

[0050] (3) According to the preliminary investigation of urban planning and the distribution of urban land use attributes at the current stage, determine the importance of the grid as a traffic attraction point;

[0051] (4) Determine the center point C of the grid i i The nearest point P on the road network consisting of minor roads and above-level roads in the research area i , calculate C i and P i The travel impedance between the C i and P i distance between i ;

[0052] (5) According to the preliminary investigation of ur...

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Abstract

The invention discloses an urban land block reachability metering method, which comprises the following steps of: dividing land blocks according to block characteristics, calibrating the characteristics of the land blocks, finally calculating a comprehensive reachability measurement mode of each land block, and conveniently and intuitively acquiring relevant information by a user according to a visual expression mode. On the basis of analysis of a conventional comprehensive reachability model, the invention provides a new measurement mode for the reachability of diversified urban land properties.

Description

technical field [0001] The invention relates to the technical field of urban planning and comprehensive traffic planning, in particular to a method for measuring the block accessibility of urban land. Background technique [0002] With the improvement of China's urban economic level, Chinese cities have become a trend of high-density development, and the types of land use in cities are diversified. However, the existing accessibility studies mainly focus on the research on specific facilities, such as hospitals, parks, green spaces, etc., and there is a lack of engineering guidance for urban statutory planning where the type and proportion of land use is the main research content. In addition, under the background of new-type urbanization, urbanization has gradually transformed from extensional expansion to connotative development, which has led to the increasing role of the analysis of traffic conditions in urban planning in the process of urbanization. An operable way of ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/06G06Q50/26G06F16/29
Inventor 毕嘉元王卫邵杰黄鸿飞
Owner SOUTHEAST UNIV
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