Importing SMS Files

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2D mesh file (Figure 9-3). The user then selects the file or files (Figure 9-4) to

import and HyPAS imports the files. Transition elements stored in a geometry file

will not be imported. SMS geometry and 2D mesh files do not contain

interpolations. They contain the nodes. HyPAS brings in the nodes and re-

interpolates the surface with a Triangulated Irregular Network (TIN). See the

ArcView's User's Guide for description of the TIN model.

Figure 9-3. File type menu

Figure 9-4. File selection menu

HyPAS creates two themes for each 2D mesh or geometry file imported, a point

theme for the nodes, and a TIN theme for the interpolation. Additionally, if there are

lines in a geometry file, a third theme is created for the linear features.

9-2

Chapter 9 Background Themes