Mode ‘Camera’: see menu ‘View’;
Mode ‘Face selection’: enable the face selection with the pointer (selected faces are colored on the 3D view and on the ‘Surfaces’ group on the tree ‘Data’ of the window ‘Project’). The procedure for the face selection is presented here.
Mode ‘Data extraction’: enable to extract a value on a colormap, with the pointer. The corresponding data is displayed in the window ‘Message’.