MOUS_ICO Menu: Landscape > Setup > GeneralMOUS_ICO Toolbar: Setup: General
When placing symbols, you are asked to enter an angle for the symbol. This is the default. By unchecking this option the rotation is always set to zero and the placing of symbols is quicker.
Some functions areal in Landscape is able to do 3D area calculations based on 3D faces in the drawing. These calculations will be based on the layer specified here.