基于Matlab和Madagascar的地震三维图形显示技术研究  

3D Graphics Display Technology of Seismic Data Based on Matlab and Madagascar

作　　者：杨志鹏 陈秀清 陈光容 王登伟[1] 王松[1] Yang Zhipeng;Chen Xiuqing;Chen Guangrong;Wang Dengwei;Wang Song(Xichang Seismic Central Station, Sichuan Earthquake Agency, Xichang Sichuan 615022, China)

机构地区：[1]四川省地震局西昌地震中心站,四川西昌615022

出　　处：《工程地球物理学报》2020年第4期426-431,共6页Chinese Journal of Engineering Geophysics

基　　金：凉山地震监测预报能力研究项目(编号:18YYJS0101)。

摘　　要：地震三维图形显示技术作为一项重要的数据可视化手段,在勘探地震学的科研和生产中起到了十分重要的作用。尽管目前已有众多商业地球物理三维可视化软件应用,但在部分科研实验中,往往需将小块地震数据从segy格式转换为mat格式或rsf格式,从而在Matlab或Madagascar计算环境下进行理论及算法的验证与开发。在这种情况下,使用庞大的商业软件对小样本数据进行显示会产生内存占用过度或格式频繁转换等问题。为更高效便捷地对三维地震数据进行综合显示,研究了在Matlab和Madagascar两种科研软件下实现地震三维图形显示的技术方法,给出了常用的立体图、切片图、层位图、连井剖面图、展开图等显示方式的核心程序代码。通过示例分析对比证明了本次研究开发的地震三维图形显示技术能够多角度多方面地展示地震数据内部信息,具有较好的应用前景。As a major data visualization method,the 3D graphics display technology of seismic data plays an important role in the scientific research and production of exploration seismology.Although there are many commercial geophysical 3D visualization softwares,it′s still necessary to transform a little seismic data from segy format to mat or rsf ones for theoretical or algorithmic verification and development under the Matlab or Madagascar computing environment.In this case,using massive commercial applications to display the small sample data will produce some problems,such as redundant memory occupation and frequent format conversion..In order to display the 3D seismic data more efficiently and conveniently,this paper studies the method of developing 3D graphics display tools based on Matlab and Madagascar.The core program codes have been shown with various display modes,such as stereogram,slice image,horizon map,graphic well log and spreading picture.The 3D graphic display technology has been proven to display internal information of seismic data from multiple angles and aspects by comparing and analyzing some examples,which has good application prospect.

关 键 词：MATLAB Madagascar 地震数据 三维图形显示 

分 类 号：P631.4[天文地球—地质矿产勘探]