Automatic three-dimensional modeling method based on contour line of ore body

Abstract

The invention discloses an automatic three-dimensional modeling method based on a contour line of an ore body. The automatic three-dimensional modeling method comprises obtaining a contour line of an ore body, cutting the ore body into Q planes, and obtaining Q contour line sets, where Q is a preset positive integer and the planes are prospecting line profiles or midplanes; obtaining volume data of the ore body according to the contour line sets; extracting a contour surface of the ore body according to the volume data; and generating an ore body three-dimensional model according to the contour surface. The automatic three-dimensional modeling method based on the contour line of the ore body is used for modeling of an ore body with an outer surface contour, and establishing an ore body model automatically through the contour line of the ore body. The method has the characteristics of high computer automation degree, high robustness, high modeling quality and the like.

Description

technical field [0001] The invention relates to the technical field of ore body three-dimensional modeling, in particular to a three-dimensional automatic modeling method based on ore body contour lines. Background technique [0002] 3D mining software has been more and more widely used in the metal resources industry, and 3D modeling of ore body is the basis of 3D mining software application, but the 3D modeling method provided by 3D mining software is very complicated and consumes a lot of manpower , material resources. The reason: most of the current 3D mining software (such as foreign Vulcan, Datamine, Surpac, MineSight, Micromine, etc.; domestic QuantyMine, 3DMine, Dimine) use manual methods to select the corresponding relationship between ore body contour lines, so that through the contour The line stitching algorithm realizes 3D reconstruction, which has extremely low work efficiency and high subjective randomness. The 3D model established by the contour line splici...

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Problems solved by technology

[0004] The technical problem to be solved by the present invention is that the existing method of realizing three-dimensional reconstruction through the contour line splicing algorithm has subjective randomness, and it is difficult to grasp the shape of the ore body as a whole; while the existing implicit modeling method is mostly used for ore body property modeling of the ore body, which is rarely used in the problem of modeling the structure of the ore body

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