Abstract

The displaying of three-dimensional geological body can describe the complex subsurface geological structure visually, improve the engineer’s space imagination effectively, understand the geological spatial relationship more intuitive and design more reasonable. The paper analyzed the three-dimensional geological data model usually used, established a Generalized Triangular Prism (GTP) element model and considered the impact of faults, Set up a three-dimensional geological modeling method based on GTP. Achieved a three-dimensional geological drilling, borehole cross-section and other information visualization inquiry and geological cutting, excavation, hierarchical display and other visualization techniques based on three-dimensional spatial analysis techniques and graphics.

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