A Complex Number Calculation Algorithm for Drawing Stratigraphic Sections
A complex arithmetic and stratigraphic technology, applied in the field of geological exploration, can solve problems such as time-consuming and labor-intensive
Active Publication Date: 2019-01-25
NORTHWEST UNIV
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Problems solved by technology
[0004] The technical problem to be solved by the present invention is to provide a complex calculation method for stratum profile drawing, which solves the problem that geological personnel need to be proficient in geological software when drawing stratum profile maps; solves the problem of time-consuming and labor-consuming drawing of measured stratum profile maps ; Realize the fully automatic and efficient drawing of the stratum profile, and the stratum profile is drawn strictly according to the drawing requirements of the stratum profile to solve the above-mentioned multiple defects caused in the prior art
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[0037] Preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0038] Such as figure 1 As shown, a complex number calculation method for stratigraphic section drawing includes the following steps:
[0039] 1) Determination of the general traverse direction of the profile: using the similarity between the azimuth definition of the measured formation profile data and the definition of the complex argument angle, the geographic north and east coincide with the real and imaginary axes of the complex plane, respectively, and use the characteristics of complex calculation to obtain the total wire direction;
[0040] 2) Realization of the projection of the conductor plan in the new coordinate system: establish a new coordinate system for the direction of the total conductor, and use the complex number characteristics to obtain the position of the conductor plan under the new coordinate system;
[0041] 3) Dra...
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The invention discloses a complex algorithm for drawing stratigraphic sections, which includes the following steps: using the similarity between the definition of the measured stratigraphic section azimuth angle and the definition of the complex argument angle, and using the characteristics of complex operations to obtain the total conductor direction; and establishing the total conductor direction. In the new coordinate system of the direction, the complex number characteristics are used to obtain the position of the conductor plan under the new coordinate system; under the new coordinate system, the terrain inflection point determined based on the projection of the conductor plan in the total conductor direction and the cumulative height difference is determined by using three-point quadratic rounding. Draw smooth undulating terrain; draw various boundary lines, lithology line drawing and lithology pattern filling in measured stratigraphic profiles: automatically distinguish the length of various boundary lines, automatically gradient draw lithology lines, automatically fill in lithology patterns, and automatically ensure lithology The flower tomb changes with the change of the lithology line's apparent inclination. The processing of details strictly follows the specifications of measured stratigraphic profiles, and its projection position is obtained according to the characteristics of complex number operations. The input is simple, the operation is quick, and the tedious work of interaction is avoided.
Description
technical field [0001] The invention relates to the field of geological prospecting, in particular to a complex calculation method for stratum profile drawing. Background technique [0002] The measured stratigraphic profile is an extremely important link in the regional geological survey work. It is the basic work for comprehensively studying the basic geological conditions of a region, determining the rock composition, lithofacies, contact relationship and paleontological occurrence of the stratum. It cannot be used in regional geological mapping. Or missing. However, the indoor collation of measured profile data and the drawing of maps require a large amount of calculations and repetitive and cumbersome work, which affects the progress of the geological survey of the entire region. For this reason, many scholars have done a lot of research on the drawing of section maps and their realization in computers: Yang Guangzhong et al. discussed the calculation formula of stratu...
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IPC IPC(8): G06T11/00
Inventor 王兆国鲁如魁
Owner NORTHWEST UNIV