Integrated three-dimensional data modeling method for comprehensive pipe network geographic information system

A technology of geographic information system and three-dimensional data, which is applied in the field of computer three-dimensional visualization to achieve the effect of meeting the expression requirements

Active Publication Date: 2010-03-31
苏州市数字城市工程研究中心有限公司 +1
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Problems solved by technology

[0005] The present invention proposes a three-dimensional data modeling method that can better solve the problem of integrated ...

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  • Integrated three-dimensional data modeling method for comprehensive pipe network geographic information system
  • Integrated three-dimensional data modeling method for comprehensive pipe network geographic information system
  • Integrated three-dimensional data modeling method for comprehensive pipe network geographic information system

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Embodiment Construction

[0027] Below in conjunction with accompanying drawing, specific embodiment of the present invention is described in further detail:

[0028] The present invention is used for the integrated three-dimensional data modeling method of comprehensive pipeline network geographic information system, and it mainly comprises the following steps:

[0029] (1), abstract the elements of the urban comprehensive pipeline network, the elements of the urban comprehensive pipeline network include geographical network chains, geographical network nodes, centers, stations, corners and obstacles, and set their corresponding attributes;

[0030] (2), build the change event of urban comprehensive pipe network, the change event of described urban comprehensive pipe network includes the attribute of urban comprehensive pipe network, physical characteristics and the occasional phenomenon that occurs on the network, sudden event;

[0031] (3), construct the topological relationship of urban comprehensi...

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Abstract

The invention relates to an integrated three-dimensional data modeling method for a comprehensive pipe network geographic information system, which comprises the following steps: (1) abstracting urbancomprehensive pipe network elements; (2) constructing change events of an urban comprehensive pipe network; (3) constructing an urban comprehensive pipe network element topologic relation; (4) constructing a semantic relation model for the urban comprehensive pipe network elements according to the essential characteristics and rules of the urban comprehensive pipe network; and (5) constructing aphysical data model for the urban comprehensive pipe network, and realizing the association between a geometric data model and attribute data and relation according to the physical organization of urban comprehensive pipe network data. The three-dimensional data modeling method achieves the uniformity on a model system of the urban comprehensive pipe network data, meets the requirement on expression of dynamic information of the urban comprehensive pipe network, and is worth popularizing and applying.

Description

technical field [0001] The invention relates to the technical field of computer three-dimensional visualization, in particular to a three-dimensional data modeling method for urban comprehensive pipe network. Background technique [0002] All kinds of underground pipe networks in cities are an important part of urban infrastructure. They are like nerves and blood vessels in the human body. They are responsible for transmitting information and energy day and night. They are the material basis for the survival and development of cities. They are called The lifeline of the city. [0003] In the past 20 years, my country's urban construction has developed rapidly. The original underground pipe network in the city is far from meeting the needs of modern development. The renewal of the old pipe network, the planning of the new pipe network, and the design and construction of the new pipe network all need accurate Grasp the current situation of the underground pipeline network, and...

Claims

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Application Information

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IPC IPC(8): G06F17/30G06Q50/00G06Q50/08
Inventor 王家耀徐青孙伟周桥吴明光蓝朝桢周杨马东洋
Owner 苏州市数字城市工程研究中心有限公司
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