This dialog box is accessed from the Terrain Modeling tab by clicking on the Delete TIN / Features ribbon button.
Deletion Options
The following are available for deletion. Features are deleted based on their assigned prefix, thus features that have been renamed to not include their assigned prefix will not be deleted.
Terrain Model
Deletes the terrain model.
Contours
Deletes all contour features with prefixes of "CNTR", or "CNTRM".
Watersheds
Deletes all watershed features with the prefix of "CATCHMENT_AREA".
Drainage Area
Deletes all drainage area features with the prefix of "DRAINAGE_AREA".
Streams & Ponds
Deletes all stream & pond features with prefixes of "STREAM_LINE", "STREAM_POND", or "STREAM_".
Path Explorer Paths
Deletes all path explorer path features with prefixes of ".XPATH", or "EXPLORE_PATH".