+  else if (StdPrs_ToolShadedShape::IsClosed (myshape))
+  {
+    aClosed = TopoDS::Compound(myshape);

+  Standard_EXPORT void Add (const Handle(Prs3d_Presentation)& thePrs,

+  switch (theShape.ShapeType())
+  {
+  case TopAbs_COMPOUND:
+  case TopAbs_COMPSOLID:
+  {
+    for

-  if ((theShape.ShapeType() == TopAbs_COMPOUND
-    || theShape.ShapeType() == TopAbs_COMPSOLID
-    || theShape.ShapeType() == TopAbs_SOLID)
-   &&  theToExploreSolids)
+  if ((theShape.ShapeType() == TopAbs_COMPOUND  ||
+       theShape.ShapeType() == TopAbs_COMPSOLID ||
+       theShape.ShapeType() == TopAbs_SOLID       ) &&
+      theToExploreSolids                              )

+
+
+// =======================================================================

-void StdPrs_ShadedShape::Tessellate (const TopoDS_Shape&          theShape,
-                                     const Handle (Prs3d_Drawer)& theDrawer)

+void StdPrs_ShadedShape::AddWithForcedCulling (const Handle (Prs3d_Presentation)& thePrs,

+  // Triangulation completeness is important for "open-closed" analysis - perform tessellation beforehand
+  Tessellate (theShape, theDrawer);

+  AddWithForcedCulling (myclass;

+//=======================================================================
+void AIS_ColoredShape::Add (const Handle(Prs3d_Presentation)& thePrs,

+    cout << "set visibility " << endl;

+      if (aChangeSet->Visibility < 0)
+      {
+        aChangeSet->Visibility = 0;
+      }

+    if (Visibility < 0)
+    {
+      std::cout << "Error: the visibility should be greater than 0 (0 - invisible; >0 - visible) (specified " << Visibility << ")\n";

+            aColDrawer->SetHidden(!(Standard_Boolean)aChangeSet->Visibility);

+      if (aChangeSet->ToSetVisibility == 1)
+      {
+        if (!aColoredPrs.IsNull())
+        {
+          Handle(AIS_ColoredDrawer) aColDrawer = aColoredPrs->CustomAspects (aColoredPrs->Shape());

+  if (aCmdName == "vsetvisibility"
+   || aCmdName == "vsetvis")
+  else if (aCmdName == "vunsetvisibility"
+        || aCmdName == "vunsetvis")
...
+  theCommands.Add("vsetvisibility",

+puts "OCC25687"
+puts "Visualization, XCAF - visual artifacts at the edges of faces"

+set only_screen 1
\ No newline at end of file

+if {"[vreadpixel ${x_check_coord} ${y_check_coord} rgb name]" == "GREEN"} {
+  puts "Error: Culling is turned off"

+Standard_Boolean AIS_ColoredShape::isShapeEntireVisible (DataMapOfShapeCompd* theDispatched)

+  if (theMode == AIS_Shaded && myshape.ShapeType() <= TopAbs_FACE)
+  {
+    StdPrs_ShadedShape::ExploreSolids (myshape, aBuilder, aClosed, anOpened);

+  // myShapeColors + aClosed --> array[TopAbs_ShapeEnum] of map of color-to-compound
+  for (TopoDS_Iterator aSolidIter (aClosed); aSolidIter.More(); aSolidIter.Next())
+  {
+    DataMapOfShapeCompd aDispatchedClosed [(size_t)TopAbs_SHAPE];

@@ -424,13 +424,13 @@ void StdPrs_ShadedShape::ExploreSolids (const TopoDS_Shape&    theShape,
     }
     case TopAbs_SHELL:
     case TopAbs_FACE:
+    case TopAbs_WIRE:
+    case TopAbs_EDGE:
+    case TopAbs_VERTEX:
     {
       theBuilder.Add (theOpened, theShape);
       return;
     }
-    case TopAbs_WIRE:
-    case TopAbs_EDGE:
-    case TopAbs_VERTEX:

+
+   enumeration Volume is Volume_Auto, Volume_Closed, Volume_Opened;

-  -- @param theToExploreSolids when set to true, explodes compound into two groups - with closed Solids and open Shells
+  -- @param theVolume enables/disables back-facing filled for closed/opened solid or turn on autodetection

+    if (isContainCompound (theBaseShape, TopoDS::Compound (theKeyShape)))

+  //! 
+  Standard_EXPORT static void bindSubShapes (DataMapOfShapeShape& theSubshapeKeyshapeMap,

+  //! Add shape to presentation
+  //! @param thePrs         the presentation
+  //! @param theDispatched  the shapes map with unique attributes
+  //! @param theMode        display mode
+  //! @param theVolume      enables/disables back-facing filled for closed/opened solid
+  Standard_EXPORT void add (const Handle(Prs3d_Presentation)& thePrs,