3-D GIS and Subsurface Applications

Sponsor:
Natural Science and Engineering Research Council / Geological Survey of Canada (1992-1996)
The Ohio State University (1996-1998)
Project period: 1992-1998
Principal Investigator: Dr. Ron Li
Project Team: L. Qian, Y. Chen, F. Dong, V. Bronson, and W. Wang

Description:

 
3D data structures are researched and applied for spatial analysis for subsurface modeling. A software system GeoView is developed on a Workstation of Silicon Graphics. The GUI is based GL(Graphic Lib) and Motif. There are two models developed in the system, a surface model and an octree model. The surface model is mainly used for visualization, while the octree model is used for spatial operations due to its efficient Boolean operations. In the surface model, functions such as datum, special layer selection, attribute queries and various cutting functions are available. For example, to query attributes by clicking on a surface layer or its boundaries, the system will tell which layer you chose and what is the material type of the layer. The interior of the model can be exposed and visualized using a combination of cutting functions. 3D geological maps, such as fence maps can be generated. Fast rendering is realized by using a swift navigation of the model.

E-mail:

<li.282@osu.edu>