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Methods of Constructing a 3D Geological Model from Scatter Data Jennifer Horsman Earth Sciences Division Lawrence Berkeley Laboratory 1 Cyclotron Road Berkeley, CA 94720 firstname.lastname@example.org Wes Bethel Information and Computing Sciences Division Lawrence Berkeley Laboratory 1 Cyclotron Road Berkeley, CA 94720 email@example.com
A three-dimensional model of geology is constructed from sample data obtained from field measurements, which are usually scattered. To create a volume model from scattered data, interpolation between points is required. The interpolation can be computed using one of several computational algorithms. Alternatively, a manual method may be employed, in which an interactive graphics device is used to input by hand the information that lies between the data points. For example, a mouse can be used to draw lines connecting data points with equal values. The combination of these two methods presents yet another approach.
In this study, we will compare selected methods of three-dimensional geological modeling. We used a flow-based, modular visualization environmen (AVS) to construct the geologcal models computationally. Within this system, we used three modules, scat_3d, trivar and scatter_to_ucd, as examples of computational methods. We compare these methods to the combined manual and computational approach. Because there are no tools readily available in AVS for this type of construction, we used a geological modeling system to demonstrate this method.
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