Within MicroStation, each element in a model is on a drawing level. Levels are analogous to transparent overlays: In different combinations, they make it easier to see parts of a model. With the ability to incorporate an unlimited number of levels in a DGN file comes the need to easily structure and control all aspects of levels.
This month, I'll provide an essential overview of the key operation of the Level Display dialog available in MicroStation V8, as shown in Figure 1.
View Display Options
MicroStation V8 introduces three types of On/Off switches that can be toggled by selecting the View Display option button from the Level Display Dialog.
The View Display option should be used to turn levels On or Off in the views you specify, from 1 to 8. This is the most commonly used switch for MicroStation workflows. If you don't work with DWG data and prefer to keep things as simple as possible, then this is the only switch you'll need.
The Global Display option turns off a …
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