GGU-CAD: Slope lines or terrain hatching

The lines to be provided with a slope or terrain hatching can be selected in complete analogy to the menu item "Lines/Move lines". Once your line selection is completed you will the following dialog box, for example, for the slope lines:

If you are happy with the appearance of the subsequent graphics, complete the action by clicking "Yes" in the "Slope lines?" prompt box. Follow the same procedure for terrain hatching.