BASICS

CHAPTER 1 "BASICS" 31 Treatment of HZ levels " Update ": to save an existing layer with a changed name. Select a layer from the list, enter the new name, select "Update". " Select all ", " Deselect all ": to make group modifications to all layers. The selection of layers from the list is done with the left mouse button and "ctrl". " Visible ." " Not visible ": to hide or show the elements of the corresponding layer. " Editable ." " Not editable ": to make it possible or not to modify the data of the given layer. The " Delete data " field allows deleting the mathematical model of the study or part of it. : select to delete the entire mathematical model of the study. + : select one or more layers, keep the checkbox of "Model only" and "Based on HZ layer" inactive to delete all elements belonging to the selected layers and the active HZ layer. + : select one or more layers, keep the checkbox of "Model only" and "Based on HZ layer" to delete the