The methods BuildPCurveForEdgeOnPlane and BuildPCurveForEdgesOnPlane have been moved from the class BOPTools_AlgoTools2D
to the more lower level class BRepLib.
+
+@subsection upgrade_721_removed Removed features
+
+The following obsolete features have been removed:
+* The package BOPCol has been fully removed:
+ - *BOPCol_BaseAllocator* is replaced with *Handle(NCollection_BaseAllocator)*;
+ - *BOPCol_BoxBndTree* is replaced with *BOPTools_BoxBndTree*;
+ - *BOPCol_Box2DBndTree* is removed as unused;
+ - *BOPCol_DataMapOfIntegerInteger* is replaced with *TColStd_DataMapOfIntegerInteger*;
+ - *BOPCol_DataMapOfIntegerListOfInteger* is replaced with *TColStd_DataMapOfIntegerListOfInteger*;
+ - *BOPCol_DataMapOfIntegerListOfShape* is replaced with *TopTools_DataMapOfIntegerListOfShape*;
+ - *BOPCol_DataMapOfIntegerMapOfInteger.hxx* is removed as unused;
+ - *BOPCol_DataMapOfIntegerReal* is replaced with *TColStd_DataMapOfIntegerReal*;
+ - *BOPCol_DataMapOfIntegerShape* is replaced with *TopTools_DataMapOfIntegerShape*;
+ - *BOPCol_DataMapOfShapeBox* is replaced with *TopTools_DataMapOfShapeBox*;
+ - *BOPCol_DataMapOfShapeInteger* is replaced with *TopTools_DataMapOfShapeInteger*;
+ - *BOPCol_DataMapOfShapeListOfShape* is replaced with *TopTools_DataMapOfShapeListOfShape*;
+ - *BOPCol_DataMapOfShapeReal* is replaced with *TopTools_DataMapOfShapeReal*;
+ - *BOPCol_DataMapOfShapeShape* is replaced with *TopTools_DataMapOfShapeShape*;
+ - *BOPCol_DataMapOfTransientAddress* is removed as unused;
+ - *BOPCol_IndexedDataMapOfIntegerListOfInteger* is removed as unused;
+ - *BOPCol_IndexedDataMapOfShapeBox* is removed as unused;
+ - *BOPCol_IndexedDataMapOfShapeInteger* is removed as unused;
+ - *BOPCol_IndexedDataMapOfShapeListOfShape* is replaced with *TopTools_IndexedDataMapOfShapeListOfShape*;
+ - *BOPCol_IndexedDataMapOfShapeReal* is removed as unused;
+ - *BOPCol_IndexedDataMapOfShapeShape* is replaced with *TopTools_IndexedDataMapOfShapeShape*;
+ - *BOPCol_IndexedMapOfInteger* is replaced with *TColStd_IndexedMapOfInteger*;
+ - *BOPCol_IndexedMapOfOrientedShape* is replaced with *TopTools_IndexedMapOfOrientedShape*;
+ - *BOPCol_IndexedMapOfShape* is replaced with *TopTools_IndexedMapOfShape*;
+ - *BOPCol_ListOfInteger* is replaced with *TColStd_ListOfInteger*;
+ - *BOPCol_ListOfListOfShape* is replaced with *TopTools_ListOfListOfShape*;
+ - *BOPCol_ListOfShape* is replaced with *TopTools_ListOfShape*;
+ - *BOPCol_MapOfInteger* is replaced with *TColStd_MapOfInteger*;
+ - *BOPCol_MapOfOrientedShape* is replaced with *TopTools_MapOfOrientedShape*;
+ - *BOPCol_MapOfShape* is replaced with *TopTools_MapOfShape*;
+ - *BOPCol_PListOfInteger* is removed as unused;
+ - *BOPCol_PInteger* is removed as unused
+ - *BOPCol_SequenceOfPnt2d* is replaced with *TColgp_SequenceOfPnt2d*;
+ - *BOPCol_SequenceOfReal* is replaced with *TColStd_SequenceOfReal*;
+ - *BOPCol_SequenceOfShape* is replaced with *TopTools_SequenceOfShape*;
+ - *BOPCol_Parallel* is replaced with *BOPTools_Parallel*;
+ - *BOPCol_NCVector* is replaced with *NCollection_Vector*;
+* The class *BOPDS_PassKey* and containers for it have been removed as unused.
+* The unused containers from *IntTools* package have been removed:
+ - *IntTools_DataMapOfShapeAddress* is removed as unused;
+ - *IntTools_IndexedDataMapOfTransientAddress* is removed as unused;
+* The container *BiTgte_DataMapOfShapeBox* is replaced with *TopTools_DataMapOfShapeBox*;
+* The class *BOPTools* has been removed as duplicate of the class *TopExp*;
+* The method *BOPAlgo_Builder::Splits()* has been removed as excessive. The method *BOPAlgo_Builder::Images()* can be used instead.
+
+@section upgrade_occt730 Upgrade to OCCT 7.3.0
+
+@subsection upgrade_730_lights Light sources
+
+Multiple changes have been applied to lights management within TKV3d and TKOpenGl:
+* V3d_Light class is now an alias to Graphic3d_CLight.
+ Graphic3d_CLight is now a Handle class with refactored methods for managing light source parameters
+ (preserving most methods of V3d_Light sub-classes to simplify porting).
+* Obsolete debugging functionality for drawing lights source has been removed from V3d_Light.
+ Methods and constructors taking parameters for this drawing and not affecting light definition itself has been also removed.
+* Light constructors taking V3d_Viewer has been marked deprecated.
+ Application may call V3d_Viewer::AddLight() explicitly to register new light sources created by new constructors within V3d_Viewer, but this step is now optional.
+* The upper limit of 8 light sources has been removed.
+* Dedicated classes per light source type V3d_AmbientLight, V3d_DirectionalLight, V3d_PositionalLight and V3d_SpotLight have been preserved,
+ but it is now possible defining light of any type by creating base class Graphic3d_CLight directly.
+ Dedicated classes only hides visibility of unrelated light properties depending on its type.
+* Calling V3d_Viewer::UpdateLights() is no more required after modifying light sources properties (color, position, etc.).
+
+@subsection upgrade_730_BOPAlgo_Section Changes in BOPAlgo_Section
+
+The public method *BuildSection()* in the class *BOPAlgo_Section* has became protected. The methods *Perform()* or *PerformWithFiller()* should be called for construction of the result of SECTION operation.
+
+@subsection upgrade_730_BRepAdaptor_CompCurve Changes in BRepAdaptor_CompCurve
+
+The method BRepAdaptor_CompCurve::SetPeriodic has been eliminated.
+Since new version, the method BRepAdaptor_CompCurve::IsPeriodic() will always return FALSE. Earlier, it could return TRUE in case if the wire contained only one edge based on periodic curve.
+
+@subsection upgrade_730_removed Removed features
+* The methods *SetDeflection*, *SetEpsilonT*, *SetDiscretize* of the class *IntTools_EdgeFace* have been removed as excessive.
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