The Method Research Of Three-dimensional Visualization On Forward And Inverse Of Gravity & Magnetic

Gravity-Magnetic exploration is a very important method to look for mineral resources. Make use of 3D Gravity-Magnetic inverse can understand the spatial distribution law of the underground object, determine the position and morphology of the 3D geologic body in order to make sure the geologic body. Use the 3D Geological Modeling technology to describe the forward and inverse of Gravity-Magnetic. Collected date through specific ways and technology produces relevant graphics and image. All of this has a vital significance to analysis the position of mineral resourses and storage prediction.This paper studies the computer graphics and 3D visualization method. On the basic of analysis 3d geological modeling at home and abroad, we put forward a TIN-Octree mixture model. We apply this mixture model to forward and inverse of Gravity-Magnetic and development a human-computer interaction system for Gravity&Magnetic forward and inverse. The main study object of this thesis is to combine 3D geological modeling with three-dimensional Gravity-Magnetic forward and inverse in order to realize 3D visualization of forward and inverse of Gravity-Magnetic. The human-computer interaction system can provide a flexible and convenient 3d visualization human-machine interaction of modeling tools for technical personnel. The main content of this thesis is as follows:(1) According to the domestic and foreign research status in 3D Gravity-Magnetic problems, we explain the research theory value and practical significance about 3D forward and inverse of Gravity-Magnetic.(2)We explain computer graphics, data visualization and 3D visualization theories. These theories provide theoretical basis and technical support for 3D forward and inverse of Gravity-Magnetic.(3) We discuss the 3D geological model and divide the model into surface model, volume model and mixture model. On this basis, we give a improved TIN-Octree mixed model.(4) Study the algorithms of Gravity-Magnetic anomaly and combine 3D visualization with three-dimensional geological modeling, we design and development a practical value 3D human-computer interaction system for Gravity&Magnetic forward and inverse.