Method for fitting complex space curved surfaces

A surface and space technology, applied in the field of complex space surface fitting, can solve the problems of complex space surface projection staggering, etc., to achieve the effect of fast meshing

Active Publication Date: 2011-10-19
四川智联科创科技有限公司
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Problems solved by technology

[0019] In order to overcome the above-mentioned shortcomings of the prior art, the present invention provides a complex space surface fitting method, which effectively solves the proble

Method used

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  • Method for fitting complex space curved surfaces
  • Method for fitting complex space curved surfaces
  • Method for fitting complex space curved surfaces

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Embodiment Construction

[0048] The core idea of ​​the spatial gridding algorithm for complex surfaces is to three-dimensionalize two-dimensional data, and use more abundant data information in three-dimensional space to judge the influence of various faults on grid point interpolation to ensure reasonable interpolation sex and accuracy.

[0049] Such as Figure 4 Shown, the inventive method comprises the steps:

[0050] (1) Obtain the work area scope and original data;

[0051] (2) Read surface data, divide large and small grids, and complete the original surface data projection;

[0052] (3) Read the fault data, directly draw the fault line or project the fault data, and fit the fault plane;

[0053] (4) Interpolation is carried out to all points to be interpolated by using a spatial grid interpolation algorithm;

[0054] (5) Fitting the space surface.

[0055] In the above step (4), the following spatial grid interpolation algorithm is adopted:

[0056] The seed point of horizon data projecti...

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Abstract

The invention discloses a method for fitting complex space curved surfaces. The method eliminates the influence of a fault on the interpolation of grid points by fitting a fault projection of a plane to a fault surface in a space and by utilizing fault information as constraint conditions to carry out the interpolation on the grid points, thus solving the problem of gridding of the discontinuouscurved surfaces containing any complex fault (comprising normal fault and reverse fault), and achieving fast gridding through a fast search algorithm of rectangular multi-grid subdivisions so as to realize the fitting of the complex space curved surfaces containing any fault. The efficiency of the method is high.

Description

technical field [0001] The invention relates to a fitting method of complex space curved surfaces. Background technique [0002] In geological exploration research, due to the extremely complex underground geological structure, the amount of data to be processed is very large, and the data distribution is very unbalanced. The scientific calculation visualization method is used to convert the data and calculation results generated during the scientific calculation process into graphics. Or images are displayed on the screen and processed interactively, providing intuitive and effective geological information for professional researchers, and laying the foundation for further geological exploration research. Therefore, the application of scientific computing visualization in the field of geological exploration is of great significance. [0003] Space surfaces can be divided into two parts according to their continuity; continuous surfaces (without faults) and discontinuous su...

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Application Information

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IPC IPC(8): G06T17/05
Inventor 姚兴苗王莹胡光岷
Owner 四川智联科创科技有限公司
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