Do you want to exclude some MicroStation levels from plotting? Make them as non-plot level? Or do you want to exclude certain types of elements from plotting?
MicroStation Level and Level Attributes
MicroStation levels are used to separate and distinguish your drawing objects. When the drawing become complex, you will need to control the object appearances. You will need to show them in different colors, different line weight, and different line style… or you may need to show/hide objects in a certain category. You can use levels […]