diff --git a/src/libs/ifc/schema.qrc b/src/libs/ifc/schema.qrc
index 85c0a825d..6a0edbcae 100644
--- a/src/libs/ifc/schema.qrc
+++ b/src/libs/ifc/schema.qrc
@@ -19,6 +19,7 @@
         <file>schema/pattern/v0.3.3.xsd</file>
         <file>schema/pattern/v0.3.4.xsd</file>
         <file>schema/pattern/v0.3.5.xsd</file>
+        <file>schema/pattern/v0.3.6.xsd</file>
         <file>schema/standard_measurements/v0.3.0.xsd</file>
         <file>schema/standard_measurements/v0.4.0.xsd</file>
         <file>schema/standard_measurements/v0.4.1.xsd</file>
@@ -28,6 +29,5 @@
         <file>schema/individual_measurements/v0.3.1.xsd</file>
         <file>schema/individual_measurements/v0.3.2.xsd</file>
         <file>schema/individual_measurements/v0.3.3.xsd</file>
-        <file>schema/pattern/v0.3.6.xsd</file>
     </qresource>
 </RCC>
diff --git a/src/libs/vpatterndb/vgrainlinegeometry.cpp b/src/libs/vpatterndb/vgrainlinegeometry.cpp
index fb519bf84..860ee5321 100644
--- a/src/libs/vpatterndb/vgrainlinegeometry.cpp
+++ b/src/libs/vpatterndb/vgrainlinegeometry.cpp
@@ -64,7 +64,7 @@ QString VGrainlineGeometry::GetLength() const
 
 //---------------------------------------------------------------------------------------------------------------------
 
-void VGrainlineGeometry::SetLength(QString qsLen)
+void VGrainlineGeometry::SetLength(const QString& qsLen)
 {
     m_qsLength = qsLen;
 }
@@ -78,7 +78,7 @@ QString VGrainlineGeometry::GetRotation() const
 
 //---------------------------------------------------------------------------------------------------------------------
 
-void VGrainlineGeometry::SetRotation(QString qsRot)
+void VGrainlineGeometry::SetRotation(const QString& qsRot)
 {
     m_qsRotation = qsRot;
 }
diff --git a/src/libs/vpatterndb/vgrainlinegeometry.h b/src/libs/vpatterndb/vgrainlinegeometry.h
index d4a2f8fff..0b27c3adf 100644
--- a/src/libs/vpatterndb/vgrainlinegeometry.h
+++ b/src/libs/vpatterndb/vgrainlinegeometry.h
@@ -48,9 +48,9 @@ public:
     QPointF                 GetPos() const;
     void                    SetPos(const QPointF& ptPos);
     QString                 GetLength() const;
-    void                    SetLength(QString qsLen);
+    void                    SetLength(const QString& qsLen);
     QString                 GetRotation() const;
-    void                    SetRotation(QString qsRot);
+    void                    SetRotation(const QString& qsRot);
     bool                    IsVisible() const;
     void                    SetVisible(bool bVisible);
 
diff --git a/src/libs/vtools/dialogs/tools/dialogdetail.cpp b/src/libs/vtools/dialogs/tools/dialogdetail.cpp
index 5c096c2cf..6240d5545 100644
--- a/src/libs/vtools/dialogs/tools/dialogdetail.cpp
+++ b/src/libs/vtools/dialogs/tools/dialogdetail.cpp
@@ -830,7 +830,7 @@ void DialogDetail::ClearFields()
 //---------------------------------------------------------------------------------------------------------------------
 void DialogDetail::SetValue(QObject *pobjSender)
 {
-    QLineEdit* pleSender = dynamic_cast<QLineEdit*>(pobjSender);
+    QLineEdit* pleSender = qobject_cast<QLineEdit*>(pobjSender);
     SCASSERT(pleSender != 0);
 
     QString qsFormula = pleSender->text().simplified();
diff --git a/src/libs/vtools/tools/tools.pri b/src/libs/vtools/tools/tools.pri
index 833e3d73d..57d4bb1a3 100644
--- a/src/libs/vtools/tools/tools.pri
+++ b/src/libs/vtools/tools/tools.pri
@@ -50,10 +50,10 @@ HEADERS += \
     $$PWD/drawTools/toolpoint/toolsinglepoint/vtoolpointofintersectioncurves.h \
     $$PWD/drawTools/toolcurve/vtoolcubicbezier.h \
     $$PWD/drawTools/toolcurve/vtoolcubicbezierpath.h \
-	 $$PWD/drawTools/operation/vtoolrotation.h \
-	 $$PWD/vtextgraphicsitem.h \
-	 $$PWD/vgrainlineitem.h \
-	 $$PWD/drawTools/operation/flipping/vtoolflippingbyline.h \
+    $$PWD/drawTools/operation/vtoolrotation.h \
+    $$PWD/vtextgraphicsitem.h \
+    $$PWD/vgrainlineitem.h \
+    $$PWD/drawTools/operation/flipping/vtoolflippingbyline.h \
     $$PWD/drawTools/operation/vabstractoperation.h \
     $$PWD/drawTools/operation/flipping/vtoolflippingbyaxis.h \
     $$PWD/drawTools/operation/flipping/vabstractflipping.h
@@ -106,8 +106,8 @@ SOURCES += \
     $$PWD/drawTools/toolcurve/vtoolcubicbezierpath.cpp \
     $$PWD/drawTools/operation/vtoolrotation.cpp \
     $$PWD/vtextgraphicsitem.cpp \
-	 $$PWD/vgrainlineitem.cpp \
-	 $$PWD/drawTools/operation/flipping/vtoolflippingbyline.cpp \
+    $$PWD/vgrainlineitem.cpp \
+    $$PWD/drawTools/operation/flipping/vtoolflippingbyline.cpp \
     $$PWD/drawTools/operation/vabstractoperation.cpp \
     $$PWD/drawTools/operation/flipping/vtoolflippingbyaxis.cpp \
     $$PWD/drawTools/operation/flipping/vabstractflipping.cpp
diff --git a/src/libs/vtools/tools/vgrainlineitem.cpp b/src/libs/vtools/tools/vgrainlineitem.cpp
index 684944a08..d0dbc0a83 100644
--- a/src/libs/vtools/tools/vgrainlineitem.cpp
+++ b/src/libs/vtools/tools/vgrainlineitem.cpp
@@ -29,12 +29,12 @@
 #include <math.h>
 
 #include <QPainter>
-#include <QtMath>
 #include <QGraphicsSceneMouseEvent>
 #include <QStyleOptionGraphicsItem>
 #include <QDebug>
 
 #include "../vmisc/def.h"
+#include "../vmisc/vmath.h"
 
 #include "vgrainlineitem.h"