Site Model Source Data

Four commands can be used to input source data into the drawing for the development of a site model: Import Survey File, 2D Polys to 3D Contours, 3D Polys to 3D Loci (Landmark only), and Grid Method Entry. The selection of a method depends on the type of source information.

In addition, 3D loci or 3D polygons can be used directly as the source data for the site model. No conversion is necessary before using this type of source data.

Before creating the site model, the source data can be checked with the Validate 3D Data command to ensure that a valid DTM will be created.