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Three-dimensional geologic model real-time sectioning and rendering processing method

A 3D geology and model technology, applied in the field of 3D geological model visualization, can solve the problems of safety hazards, difficulties, and low efficiency of installation controls, and achieve the effect of cutting analysis and increasing the generation speed

Active Publication Date: 2021-05-14
CHINA UNIV OF GEOSCIENCES (WUHAN) +1
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Problems solved by technology

[0006] The technical problem solved by this disclosure is that the section analysis of the 3D geological model in the existing technical means often needs to be completed in the professional geological information system software, the operation is complicated and the efficiency is low, and on the browser side, the 3D geological model is often The browsing and analysis environment of the model is embedded in the webpage in the form of an ActiveX control to realize the online cutting of the model. Due to the large security risks of installing the control, it is difficult to realize real-time cutting in this way, the user experience is not good, and the promotion is difficult

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Embodiment Construction

[0017] The following will clearly and completely describe the technical solutions in the embodiments of the present disclosure with reference to the accompanying drawings in the embodiments of the present disclosure. Apparently, the described embodiments are only part of the embodiments of the present disclosure, not all of them. The following description of at least one exemplary embodiment is merely illustrative in nature and in no way serves as any limitation of the disclosure, its application or uses. Based on the embodiments in the present disclosure, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present disclosure.

[0018] The geological section map is a map that cuts the earth into pieces along a given direction according to a certain scale, reflects the rock formations and structural forms on the cut section, and shows the geological phenomena and their relationship on the ge...

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Abstract

The invention relates to a three-dimensional geologic model real-time sectioning and rendering processing method and a storage medium, and the method comprises the following steps: in a three-dimensional model shader, dividing a primitive into a reserved primitive and a cut primitive through a separation plane, abandoning the cut primitive in a rendering process, and only drawing the reserved primitive; processing a graph to be segmented into an entity closed model, specifically, a section line is drawn by means of a cache unit, so that a cutting plane in a specific range is obtained and closed; and finally, drawing the model twice, namely drawing the abandoned cut primitive model for one time and drawing the contour pixels of the cut plane for the other time, so as to obtain a final section model. According to the method, the section of the complex three-dimensional geologic model and the section filling effect can be efficiently generated, the complex three-dimensional geologic model can be conveniently displayed at a browser end, and real-time sectioning analysis of the complex three-dimensional geologic model is achieved.

Description

technical field [0001] The invention relates to the field of visualization of three-dimensional geological models, in particular to a method for real-time cutting and rendering of three-dimensional geological models. Background technique [0002] The 3D geological model is an effective carrier for the aggregation and integration of geological data, which can well support the temporal and spatial perspective of the urban geological environment, big data fusion, and geological space survey and evaluation. The online analysis of 3D geological models is beneficial to the collaboration among multiple applications based on geological models. At present, the section analysis of 3D geological models often needs to be completed in professional geological information system software, which is complicated to operate and low in efficiency. On the browser side, the browsing and analysis environment of the 3D model is often embedded in the webpage in the form of an ActiveX control to rea...

Claims

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Application Information

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IPC IPC(8): G06T15/00G06T15/04G06T15/10G06T15/30G06T17/05
CPCG06T15/005G06T15/04G06T15/10G06T15/30G06T17/05
Inventor 张军强徐立睿吴冲龙田宜平蒋开源曾禹人刘刚张志庭翁正平
Owner CHINA UNIV OF GEOSCIENCES (WUHAN)
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