Digital earth model construction method and device

A digital earth and construction method technology, applied in 3D modeling, image data processing, instruments, etc., can solve problems such as difficulty in meeting the needs of digital earth, difficulty in expressing deep earth information, lack of models, etc.

Pending Publication Date: 2021-06-18
CHINA COAL GEOLOGY GRP CO LTD
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  • Claims
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Problems solved by technology

[0003] At the same time, due to the different basic grids for modeling of each 3D geological model, the geological bodies cannot be uniformly represented among the models, let alone information indexing, sharing or comprehensive analysis, which is not conducive to the digitization and informatization of the 3D geo...

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  • Digital earth model construction method and device
  • Digital earth model construction method and device
  • Digital earth model construction method and device

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Embodiment Construction

[0047] In order to better understand the purpose, technical solution and technical effect of the present invention, the present invention will be further explained below in conjunction with the accompanying drawings and embodiments. At the same time, it is stated that the embodiments described below are only used to explain the present invention, and are not intended to limit the present invention.

[0048] An embodiment of the present invention provides a method for constructing a digital earth model.

[0049] figure 1 It is a flowchart of a method for constructing a digital earth model in an embodiment, such as figure 1 As shown, a method for constructing a digital earth model in an embodiment includes steps S100 to S103:

[0050]S100, dividing the earth space according to the longitude, latitude and altitude of the earth to obtain multiple grid units;

[0051] Among them, the space is divided according to the physical topological properties of the earth. Since the topol...

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Abstract

The invention relates to a digital earth model construction method and device, and the method comprises the steps: carrying out the space division of the earth according to the longitude, latitude and altitude of the earth, obtaining a plurality of grid units, carrying out the coding according to the three-dimensional space range information and geological information corresponding to the grid units, and obtaining the coding information; combining the set of each grid unit into a geologic body identifier, and carrying out coding information labeling on the grid units in the geologic body identifier to obtain a digital earth model. On the basis, the earth is subjected to standardized subdivision and divided into space grids which are similar in size and free of gaps and overlapping, grid units in the space grids are subjected to unified three-dimensional space range information coding and geological information coding, digital coding description of the earth is achieved, and a digital earth model based on coding is formed. The retrieval, transmission and analysis efficiency of the digital earth model is greatly improved, and the informatization requirement is met.

Description

technical field [0001] The invention relates to the technical field of geological modeling, in particular to a method and device for constructing a digital earth model. Background technique [0002] The 3D geological model is a 3D quantitative model that combines geological, well logging, geophysical data and various interpretation results or conceptual models to generate a 3D quantitative model, which is widely used in solid mineral exploration, oil and gas evaluation, urban geology, environmental geology and other fields. However, the current 3D geological models each serve a specific purpose or demand, and the models constructed by quantitative and qualitative methods are only suitable for a specific application scenario. When the requirements or application scenarios change, even if the changes are very small, the 3D geological model needs to be rebuilt. Among them, as a kind of three-dimensional geological model, digital earth is based on computer technology, multimedi...

Claims

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Application Information

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IPC IPC(8): G06T17/05G06T17/20G06T9/00
CPCG06T17/05G06T17/205G06T9/001
Inventor 郭衍游林中湘黄澎涛武学维
Owner CHINA COAL GEOLOGY GRP CO LTD
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