Missing Faces
If the model includes missing faces:
Use the Missing References information in the PropertyManager to help resolve the issue.
Increase Shaded and draft quality HLR/HLV resoltion
To increase HLR/HLV resolution:
-
Click Options 
(Standard toolbar) or Tools, Options.
-
On the Document Properties tab, select Image Quality.
-
Drag the slider towards High.
-
Click OK.
Verify that all model geometry is valid.
Invalid geometry can cause display problems, including missing faces and irregularities with high quality HLR/HLV wireframe.
To check a model for correct geometry:
-
With a model document active, click Check 
on the Tools toolbar, or Tools, Check.
-
In the dialog box, under Check, select the entity type that you want to verify.
Ensure that the missing face is not completely transparent.
|
 There are many ways of setting transparency on faces, a models, or assembly components.
|
To check for transparency:
-
Right-click a face, select Appearances 
, and choose the face in the list.
-
In the Appearances PropertyManager, under Appearance, drag the Transparency slider to adjust the face's transparency.
-
Click 
.