//////////////////// lectia 3
//de adaugat la metode virtuale ale AcDbEntity
virtual Acad::ErrorStatus getOsnapPoints(
AcDb::OsnapMode osnapMode,
int gsSelectionMark,
const AcGePoint3d& pickPoint,
const AcGePoint3d& lastPoint,
const AcGeMatrix3d& viewXform,
AcGePoint3dArray& snapPoints,
AcDbIntArray& geomIds) const;
virtual Acad::ErrorStatus intersectWith(
const AcDbEntity* ent,
AcDb::Intersect intType,
AcGePoint3dArray& points,
int thisGsMarker = 0,
int otherGsMarker = 0) const;
//de adaugat
private:
Acad::ErrorStatus Custom::osnapCenter( const AcGePoint3d& pickPoint,
AcGePoint3dArray& snapPoints ) const;
Acad::ErrorStatus Custom::osnapQuadrant( const AcGePoint3d& pickPoint,
AcGePoint3dArray& snapPoints ) const;

Acad::ErrorStatus osnapNear( const AcGePoint3d& pickPoint,
const AcGeMatrix3d& viewXform, 
AcGePoint3dArray& snapPoints) const;