【作者】 张胜蓝；

【导师】 吉晓民；

【作者基本信息】 西安理工大学 ， 机械设计及理论， 2004， 硕士

【摘要】 地质勘探数据的处理及地质体结构的可视化是地球物理勘探的重要问题。本文以层状地质体为研究对象，主要研究了勘探得到的海量数据的处理、地质体数据模型的建立以及地质体结构的三维可视化问题。 文中首先介绍了可视化技术以及地质制图技术的发展，然后对地质构造可视化模型进行了研究，根据地质测量数据的特点，提出了三角形网和四边形网相结合的数据建模方法，最后通过图形接口绘制了地质研究所需的地质图件，构建了层状地质体三维可视化系统模型，并开发出了可以独立于任何软件平台使用的地质三维可视化软件系统。该系统由数据管理、数据处理以及图形显示三部分组成。在数据管理模块中，选用ADO数据库开发技术，结合使用Access数据库对数据进行分类管理与存储；在数据处理模块中，提出了利用MATLAB／VC⁺⁺联合编程的方案，通过使用MATLAB C／C⁺⁺数学函数库完成了反演数据的几何变换以及三维数据模型的建立；在图形显示模块中，以图形接口OpenGL作为绘图语言，在VC平台下进行开发，实现了二维地质图件和三维地质图件的绘制。论文最后以某铁矿的实测数据为例对软件进行了实验，得到了令人满意的结果。 本文以良好的可移植性、短周期性和实用性为原则，结合各种现有软件的优点及其相互之间的无缝集成，提出了自己的一套理论和方法，为地质领域的可视化做出了一定的贡献，并对其他领域的可视化发展有一定的促进作用。更多还原

【Abstract】 Processing of the geological exploring data and the visualization of geological structure are important problems on geophysics exploration. With the stratumtous geological body as the object, The magnanimity data received from the geological exploring were processed first. A data model was presented for the geological body and the 3D visualization for the geological structure was mainly researched.The development of the visualization technology and the geological drawing technique were first introduced in the paper. Then the geological structure visualization models were studied. Based on the characteristics of the geological exploring data, a method for establishing data model was presented, in which the triangle network was combined with the quadrangle network. At last, the geologic maps needed for geological research were drawn through the GDI(Graphics Device Interface) and the 3D visualization system model was established for stratumtous geological body. Base on the achievments mentioned above, a software system was developed which can be used independently without relying on any software platform. This system was composed of three parts including data management, data processing and graphical display. In the module of data management, the ADO programming technology was combined with Access database to sort and manage the data. In data processing module, the MATLAB and VC++ Co-programming scheme was presented in which the original data weretransformmed geometrically so that the 3D data model was established. The graphical display module was developed on the base of OpenGL and VC platform with which the 2D geological drawings and 3D geological drawings could be accomplished. In the end of the paper, an example was given with the measured data from an iron mine. The results shows that the software system is practical and satisfactory.With the aims of good portability, short periodicity and practicability in the subject, the advantages of existing softwares were combined with together. A software system was developed with seamlessly integrating the existing softwares and the new written code. As a result, a practical system and method were pesented which could do it’s bit for the visualization technology in geological field. In addition, it can also promote the development of visualization technology in other fields.更多还原