Structuring method for three-dimensional visualizing system of urban synthesis pipeline network

Abstract

The invention relates to a structuring method for a three-dimensional visualizing system of an urban synthesis pipeline network. The method comprises the following steps: establishing a central database for the urban synthesis pipeline network; establishing a two-dimensional texture database; setting a spatial data engine; reading and modeling to the central database and the texture database through the spatial data engine to construct overground and underground two-dimensional views and a three-dimensional visualization scene; and establishing a corresponding relation between two and three dimensional data planes and visual planes, wherein the data planes correspond to and the geographic coordinates of the two-dimensional view and the three-dimensional scene of the system, the visual planes correspond to various spacial geographical object models in the three-dimensional scene and map symbols of the two-dimensional view, the purpose of two-dimensional and three-dimensional linkage isachieved, the function which is not easy to realize in the three-dimensional scene or the macroscopic function is realized through the two-dimensional view, the function which cannot be realized in the two-dimensional view or the function which is less real is realized through the three-dimensional scene, so that the purpose of complementing each other is achieved, and the effective management ofthe urban synthesis pipeline network is further realized.

Description

technical field [0001] The invention relates to the technical field of computer three-dimensional visualization, in particular to a construction method for a three-dimensional visualization system of an urban comprehensive pipe network. Background technique [0002] Computer 3D visualization is a very popular and rapidly developing direction in the computer field. Most of the research focuses on building three-dimensional objects in the computer and realistically restoring the real world on the computer screen. It is widely used in film and television, games, military and scientific research fields. There are many application examples. With the development of computer technology, 3D visualization technology has brought about a huge change. 3D visualization technology makes the two-dimensional and static spatial information representation develop into three-dimensional and dynamic scenes, resulting in spatial information Three-dimensional visualization has become one of the i...

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Problems solved by technology

[0004] In the past 20 years, my country's urban construction has developed rapidly. The original underground pipe network in the city can no longer meet the needs of modern development. The renewal of the old pipe network, the design and construction of the new pipe network, and the planning of the new pipe network It is necessary to accurately grasp the status quo of the underground pipeline network, and the management of the underground pipeline network mainly has the following two problems: on the one hand, because most pipelines are underground, buried deep, widely distributed, various in variety, and complex in structure, various data The large amount of data and the long storage period of the data have brought huge difficulties to the design and management of the pipeline network; The underground professional pipeline network data are recorded and kept in the form of drawings, charts, etc. Most areas still design and manage the pipeline network manually. The work efficiency is low, and accurate comprehensive pipeline information cannot be provided, which cannot meet the requirements of urban construction and planning. And the requirements of urban management departments for pipe network information have restricted the development of the national economy to a certain extent, and the losses caused by backward underground pipe network management technology are huge

Although the 3D scene has realistic visual effects and has the advantages of dynamics, interactivity, and authenticity, the 3D scene also has its shortcomings. When roaming in the 3D pipe network scene environment, it is the same as walking in the real world space. easy to get lost

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