kgv 3b1817a9e2 0024521: Visualization - automatic back face culling is not turned on for Solids packed into compound ...

StdPrs_ToolShadedShape::IsClosed():
- return true if shape is closed Solid (NOT just free closed Shell)
- accept compound of closed Solids as well
- ignore Solids with incomplete triangulation

TKOpenGl, automatically disable back face culling when:
- clipping/capping planes are in effect
- for translucent objects

Update bug23227 test case (now back faces are clipped).

OpenGl_Workspace::AspectFace() - disable culling in case of hatched style

2014-01-20 14:45:35 +04:00

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