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Automatic parameterization three-dimensional pipeline modeling method and system based on GIS (Geographic Information System)

A technology of three-dimensional pipeline and modeling method, applied in 3D modeling, image data processing, design optimization/simulation, etc.

Active Publication Date: 2022-01-21
武汉智联时空科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] In order to solve many problems faced by manual modeling, the purpose of the embodiment of the present invention is to provide a method that can automatically check the correctness and completeness of the original geophysical data, and automatically and efficiently generate WGS84 (WorldGeodetic System 1984, for A system and method for a parameterized three-dimensional pipeline model in an easy-to-publish standard format of the coordinate system established by the GPS global positioning system) coordinates, and the data published on the web side can be generated through the built model

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  • Automatic parameterization three-dimensional pipeline modeling method and system based on GIS (Geographic Information System)
  • Automatic parameterization three-dimensional pipeline modeling method and system based on GIS (Geographic Information System)
  • Automatic parameterization three-dimensional pipeline modeling method and system based on GIS (Geographic Information System)

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Embodiment 1

[0061] refer to figure 1 As shown, the present invention provides a kind of automatic parametric three-dimensional pipeline modeling method based on GIS system, comprising the following steps:

[0062] S1: Obtain the original geophysical data.

[0063] In this embodiment, the original geophysical prospecting data includes point data and line data of corresponding pipelines which are stored according to pipeline types. It should be noted that the original geophysical data may be the raw geophysical data of pipelines read from databases including but not limited to SHP or MDB format.

[0064] In the embodiment of the present invention, the surface data of the corresponding pipeline can also be read.

[0065] S2: Carry out validity and completeness testing on the original geophysical prospecting data to obtain the geophysical prospecting data after validity and completeness testing.

[0066] It should be noted that, in the specific implementation of step S2 provided in the emb...

Embodiment 2

[0116] image 3 Shown is a structural block diagram of the GIS system-based automatic parameterized three-dimensional pipeline modeling system provided in Embodiment 2 of the present invention. The GIS system-based automatic parameterized three-dimensional pipeline modeling system includes: a data acquisition module 100, an origin creation module 200 . A pipeline coordinate calculation module 300 and a three-dimensional pipeline model generation module 400 . in:

[0117] The data acquisition module 100 is configured to acquire raw geophysical data including point data and line data of corresponding pipelines stored according to pipeline types, and check the validity and integrity of the data.

[0118] In this embodiment, the original geophysical prospecting data includes point data and line data of corresponding pipelines that are stored according to pipeline types. It should be noted that the original geophysical data may be the raw geophysical data of pipelines read from d...

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Abstract

The invention relates to the technical field of automatic three-dimensional modeling, in particular to an automatic parameterization three-dimensional pipeline modeling method and system based on a GIS system. The method comprises the following steps: acquiring original geophysical prospecting data, wherein the original geophysical prospecting data comprises point data and line data of corresponding pipelines respectively stored according to pipeline types; performing validity and integrity detection on the original geophysical prospecting data to obtain geophysical prospecting data after validity and integrity detection; traversing all geophysical prospecting data to obtain a central point, and creating the central point as an original point of a local coordinate system of the model; and traversing point data and line data of the pipeline in the geophysical prospecting data, converting and drawing required coordinates by taking a central point as an original point, and generating a three-dimensional pipeline model under a required space reference system. According to the method, the three-dimensional pipeline model in the needed space reference system is automatically generated through extremely little manual operation, automatic connection of the pipeline, the pipe point, the appendage and the feature point is achieved, the pipeline is attached to the ground, and nearly real underground pipeline three-dimensional visual model data are formed.

Description

technical field [0001] The invention relates to the technical field of automatic three-dimensional modeling, in particular to an automatic parameterized three-dimensional pipeline modeling method and system based on a building information model (BIM) and a geographic information system (GIS) system. Background technique [0002] In the geographic information system (GIS) project of three-dimensional comprehensive pipeline or professional pipeline, it involves the modeling of various types of pipelines such as electric power, telecommunications, water supply, drainage, heat, gas, etc., and the structures, There are many sizes, and different types of pipelines have slightly different definitions of some attributes such as caliber and buried depth, and the coordinates of their geophysical source data mostly use CGCS2000 (China Geodetic Coordinate System 2000) coordinates, and some geophysical units use offset local coordinates Tie. Using manual modeling will face many problems...

Claims

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Application Information

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IPC IPC(8): G06T17/00G06F30/18G06F30/20G06F113/14
CPCG06T17/00G06F30/18G06F30/20G06F2113/14
Inventor 闫跃郛张创王道胜赵志友鲁苗
Owner 武汉智联时空科技有限公司
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