diff --git a/src/app/app.pro b/src/app/app.pro
index e503e877e..00bed2a59 100644
--- a/src/app/app.pro
+++ b/src/app/app.pro
@@ -486,7 +486,6 @@ CONFIG(debug, debug|release){
 -Wunused-value \
 -Wunused-variable \
 -Wunused-volatile-lvalue \
--Wused-but-marked-unused \
 -Wuser-defined-literals \
 -Wvarargs \
 -Wvariadic-macros \
diff --git a/src/app/geometry/vsplinepoint.cpp b/src/app/geometry/vsplinepoint.cpp
index a25417c5f..daeaca28d 100644
--- a/src/app/geometry/vsplinepoint.cpp
+++ b/src/app/geometry/vsplinepoint.cpp
@@ -30,11 +30,22 @@
 #include <QDebug>
 
 //---------------------------------------------------------------------------------------------------------------------
+/**
+ * @brief VSplinePoint default constructor.
+ */
 VSplinePoint::VSplinePoint()
     :pSpline(VPointF()), angle1(0), angle2(180), kAsm1(1), kAsm2(1)
 {}
 
 //---------------------------------------------------------------------------------------------------------------------
+/**
+ * @brief VSplinePoint constructor.
+ * @param pSpline spline point.
+ * @param kAsm1 coefficient of length first control line.
+ * @param angle1 first angle control line.
+ * @param kAsm2 coefficient of length second control line.
+ * @param angle2 second angle control line.
+ */
 VSplinePoint::VSplinePoint(VPointF pSpline, qreal kAsm1, qreal angle1, qreal kAsm2, qreal angle2)
     :pSpline(pSpline), angle1(0), angle2(180), kAsm1(kAsm1), kAsm2(kAsm2)
 {
@@ -46,11 +57,30 @@ VSplinePoint::VSplinePoint(VPointF pSpline, qreal kAsm1, qreal angle1, qreal kAs
 }
 
 //---------------------------------------------------------------------------------------------------------------------
+/**
+ * @brief VSplinePoint copy constructor
+ * @param point point
+ */
 VSplinePoint::VSplinePoint(const VSplinePoint &point)
     :pSpline(point.P()), angle1(point.Angle1()), angle2(point.Angle2()), kAsm1(point.KAsm1()), kAsm2(point.KAsm2())
 {}
 
 //---------------------------------------------------------------------------------------------------------------------
+VSplinePoint &VSplinePoint::operator=(const VSplinePoint &point)
+{
+    this->pSpline = point.P();
+    this->angle1 = point.Angle1();
+    this->angle2 = point.Angle2();
+    this->kAsm1 = point.KAsm1();
+    this->kAsm2 = point.KAsm2();
+    return *this;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+/**
+ * @brief SetAngle1 set first angle of spline.
+ * @param value angle.
+ */
 void VSplinePoint::SetAngle1(const qreal &value)
 {
     QLineF line(0, 0, 100, 0);
@@ -62,6 +92,10 @@ void VSplinePoint::SetAngle1(const qreal &value)
 }
 
 //---------------------------------------------------------------------------------------------------------------------
+/**
+ * @brief SetAngle2 set second angle of spline.
+ * @param value angle.
+ */
 void VSplinePoint::SetAngle2(const qreal &value)
 {
     QLineF line(0, 0, 100, 0);
diff --git a/src/app/geometry/vsplinepoint.h b/src/app/geometry/vsplinepoint.h
index 509d63f26..95a07a911 100644
--- a/src/app/geometry/vsplinepoint.h
+++ b/src/app/geometry/vsplinepoint.h
@@ -39,131 +39,113 @@
 class VSplinePoint
 {
 public:
-    /**
-     * @brief VSplinePoint default constructor.
-     */
-          VSplinePoint();
-    /**
-     * @brief VSplinePoint constructor.
-     * @param pSpline spline point.
-     * @param angle second angle control line.
-     * @param factor coefficient of length second control line.
-     */
+    VSplinePoint();
     VSplinePoint(VPointF pSpline, qreal kAsm1, qreal angle1, qreal kAsm2, qreal angle2);
-    /**
-     * @brief VSplinePoint copy constructor
-     * @param point point
-     */
     VSplinePoint(const VSplinePoint &point);
+    VSplinePoint &operator=(const VSplinePoint &point);
     ~VSplinePoint() {}
-    /**
-     * @brief P return point.
-     * @return point.
-     */
     VPointF P() const;
-    /**
-     * @brief SetP set point.
-     * @param value point.
-     */
     void    SetP(const VPointF &value);
-    /**
-     * @brief Angle1 return first angle of spline.
-     * @return angle.
-     */
     qreal   Angle1() const;
-    /**
-     * @brief SetAngle1 set first angle of spline.
-     * @param value angle.
-     */
     void    SetAngle1(const qreal &value);
-    /**
-     * @brief SetAngle2 set second angle of spline.
-     * @param value angle.
-     */
     void    SetAngle2(const qreal &value);
-    /**
-     * @brief Angle2 return second angle of spline.
-     * @return angle.
-     */
     qreal   Angle2() const;
-    /**
-     * @brief KAsm1 return coefficient of length first control line.
-     * @return coefficient.
-     */
     qreal   KAsm1() const;
-    /**
-     * @brief SetKAsm1 set coefficient of length first control line.
-     * @param value coefficient.
-     */
     void    SetKAsm1(const qreal &value);
-    /**
-     * @brief KAsm2 return coefficient of length second control line.
-     * @return coefficient.
-     */
     qreal   KAsm2() const;
-    /**
-     * @brief SetKAsm2 set coefficient of length second control line.
-     * @param value coefficient.
-     */
     void    SetKAsm2(const qreal &value);
 protected:
-    /**
-     * @brief pSpline point.
-     */
+    /** @brief pSpline point. */
     VPointF        pSpline;
-    /**
-     * @brief angle1 first angle spline.
-     */
+
+    /** @brief angle1 first angle spline. */
     qreal          angle1;
-    /**
-     * @brief angle2 second angle spline.
-     */
+
+    /** @brief angle2 second angle spline. */
     qreal          angle2;
-    /**
-     * @brief kAsm1 coefficient of length first control line.
-     */
+
+    /** @brief kAsm1 coefficient of length first control line. */
     qreal          kAsm1;
-    /**
-     * @brief kAsm2 coefficient of length second control line.
-     */
+
+    /** @brief kAsm2 coefficient of length second control line. */
     qreal          kAsm2;
 };
 
+//---------------------------------------------------------------------------------------------------------------------
+/**
+ * @brief P return point.
+ * @return point.
+ */
 inline VPointF VSplinePoint::P() const
 {
     return pSpline;
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+/**
+ * @brief SetP set point.
+ * @param value point.
+ */
 inline void VSplinePoint::SetP(const VPointF &value)
 {
     pSpline = value;
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+/**
+ * @brief Angle1 return first angle of spline.
+ * @return angle.
+ */
 inline qreal VSplinePoint::Angle1() const
 {
     return angle1;
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+/**
+ * @brief Angle2 return second angle of spline.
+ * @return angle.
+ */
 inline qreal VSplinePoint::Angle2() const
 {
     return angle2;
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+/**
+ * @brief KAsm1 return coefficient of length first control line.
+ * @return coefficient.
+ */
 inline qreal VSplinePoint::KAsm1() const
 {
     return kAsm1;
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+/**
+ * @brief SetKAsm1 set coefficient of length first control line.
+ * @param value coefficient.
+ */
 inline void VSplinePoint::SetKAsm1(const qreal &value)
 {
     kAsm1 = value;
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+/**
+ * @brief KAsm2 return coefficient of length second control line.
+ * @return coefficient.
+ */
 inline qreal VSplinePoint::KAsm2() const
 {
     return kAsm2;
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+/**
+ * @brief SetKAsm2 set coefficient of length second control line.
+ * @param value coefficient.
+ */
 inline void VSplinePoint::SetKAsm2(const qreal &value)
 {
     kAsm2 = value;