AcGiVisualStyleProperties::EdgeStyles Enumeration

enum EdgeStyles {
  kNoEdgeStyle = 0,
  kVisibleFlag = 1,
  kSilhouetteFlag = 2,
  kObscuredFlag = 4,
  kIntersectionFlag = 8
};

acgivisualstyle.h

Members	Description
kNoEdgeStyle	No styles will be applied to the edges.
kVisibleFlag	Visible edges will be displayed.
kSilhouetteFlag	Silhouette edges will be displayed. A silhouette edge is an edge connecting a back facing polygon with a front facing polygon.
kObscuredFlag	Obscured edges will be displayed. An obscured edge is that which would not be normally be visible when in a shaded view.
kIntersectionFlag	Intersection edges will be displayed. An intersection edges is that which is inferred from portions of different intersecting objects.

Bitfield which describes the combination of edge styles to display.