General Settings for the Ground Surface Tool

In this section, we explain general settings for the Ground Surface tool. 

Control input data

These settings control the input data actually used, by providing you with possibilities to overrule the selected elevation input.

NB! Points with unknown elevations will always be omitted. Points with unknown elevations are shown with a blank z-value in the properties pane.

Use outer boundaries and holes when generating the TIN

Use TIN breaklines

Optimize breakline input data

Breaklines will form sharp edges in the triangulated structure, and normally this gives a better description of the surface.

This is to decide what to do if breaklines are conflicting:

Optimize TIN structure