Behavior of Shaded Views in Drawings
When two shaded views overlap, the newer view is displayed on top of the view that was created earlier. Non-shaded views always show through the shaded views when the two view types overlap. In a shaded view, surfaces and quilts also appear shaded.
Shaded views do not display tangent edges. The Tangent edges display style option in the View Display page of the Drawing View dialog box is not available for selection for shaded views. Even if the tangent edges are not displayed in shaded views, you can select these edges for attachment of references.
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If you zoom into a shaded view in the Preview mode of the File > Open dialog box, the view may appear pixilated.
You can control the display of datum curves in shaded views by using the shade_with configuration option.