磁化率各向异性椭球三维图形显示的VB.net实现

J4 ›› 2009, Vol. 39 ›› Issue (6): 1141-1145.

磁化率各向异性椭球三维图形显示的VB.net实现

赵庆乐¹|张世红¹|韩以贵¹|李海燕¹|董进¹|张元厚²

1.中国地质大学地质过程与矿产资源国家重点实验室, 北京 100083;2.吉林大学地球科学学院|长春 130061

收稿日期:2009-03-26 出版日期:2009-11-26 发布日期:2009-11-26
作者简介:赵庆乐(1979-)|男|河北秦皇岛人|博士研究生|主要从事旋回地层学、古地磁学与岩石磁学相关研究|E-mail:kwala@163.com
基金资助:
国家自然科学基金项目（40572019；40621002）；中石化前瞻性研究项目（G0800－06－ZS－319）

Realization of Anisotropy of Magnetic Susceptibility Ellipsoid’s 3D Graph Displaying by VB.net Language

ZHAO Qing-le¹, ZHANG Shi-hong¹, HAN Yi-gui¹, LI Hai-yan¹, DONG Jin¹, ZHANG Yuan-hou²

1.State Key Laboratory of Geological Processes and Mineral Resources, China University of Geosciences, Beijing 100083, China;2.College of Earth Sciences, Jilin University, Changchun 130061,China

Received:2009-03-26 Online:2009-11-26 Published:2009-11-26

摘要/Abstract

摘要：

磁组构在地球科学研究中具有广泛的应用。磁化率各向异性椭球形状可以反映丰富的地质信息。目前磁化率各向异性测量仪器所用软件不能以图形的方式直观地反映样品的磁化率椭球形状，其数据以二进制及文本方式存储，以纯文本方式显示，需借助其它数据处理与绘图程序来判别椭球形状。使用Visual Basic.net编程语言计算岩石样品的主磁化率及主方向，再调用Mathematica数学系统软件核心显示磁化率各向异性椭球的三维图形，调用Grapher绘图程序核心显示主方向，测量数据可直接存储到Excel文件中。首次实现了显示磁化率各向异性椭球的三维图形的功能，同时可以显示主方向的二维图形，可以进行从样品坐标系到地理坐标系的转换及手动输入15个方向磁化率数据进行主磁化率与主方向的计算。

关键词: 磁化率各向异性, 磁化率各向异性椭球, 卡帕桥, KLY-4/4S

Abstract:

Magnetic fabric has extensive applications in geosciences research. The shape of anisotropy of magnetic susceptibility (AMS) ellipsoid in a sample can reflect abundant geological information. AMS ellipsoid can not be intuitively reflected by graphs through software used by AMS measuring instrument at present. Its data were stored in binary and text format and were displayed by plain text. It is difficult to estimate the shape of AMS ellipsoid without help of other data processing and graph drawing software. We use Visual Basic.net programming language to calculate the principal susceptibility and principal directions, to display a 3D graph of AMS ellipsoid by calling kernel of mathematical system software-Mathematica and to display principal directions by calling kernel of graphdrawing software-Grapher. AMS data measured can be directly stored into an Excel file. This is the first time that 3D graph display of AMS ellipsoid is realized and 2D graph of principal direction is displayed at the same time. It is also convenient to transfer data from sample coordinates to geographical coordinates. Furthermore, the principal susceptibility and direction can be calculated with 15 directional susceptibilities manually input.

Key words: anisotropy of magnetic susceptibility, AMS ellipsoid, Kappabridge, KLY-4/4S

中图分类号:

P631.2

赵庆乐, 张世红, 韩以贵, 李海燕, 董进, 张元厚. 磁化率各向异性椭球三维图形显示的VB.net实现[J]. J4, 2009, 39(6): 1141-1145.

ZHAO Qiang-Le, ZHANG Shi-hong, HAN Yi-gui, LI Hai-yan, DONG Jin, ZHANG Yuan-hou. Realization of Anisotropy of Magnetic Susceptibility Ellipsoid’s 3D Graph Displaying by VB.net Language[J]. J4, 2009, 39(6): 1141-1145.

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