1. DEM details (i.e. # DEM Points) of the opened project are given in the Process sidebar. The wheel hiddens different functions (add, open, save, clear dem points, etc.)
Auto-create dem points can be done in different ways:
Manually: use the strabo selection and open the DEM module. Now you can manually add and delete DEM points in a certain grid. The grid distance is based on the values given in the strabo preference menu: process properties. The DEM functions (add/delete/next point) can be switched in the strabo preference menu: mouse settings
Import: 'add' points in *.sdp, *. opc, or *.txt format
Automated: create dense DSM and possibility to make a regular grid of these points (grid distance are given in the strabo preference menu: process properties.