+
+TDF_Label HYDROData_Document::LabelOfLocalCS() const
+{
+ return myDoc->Main().FindChild(TAG_LOCAL_CS);
+}
+
+void HYDROData_Document::GetLocalCS( double& theLX, double& theLY ) const
+{
+ TDF_Label aLocalCSLab = LabelOfLocalCS();
+
+ Handle( TDataXtd_Position ) aLocalCS;
+ if( aLocalCSLab.FindAttribute( TDataXtd_Position::GetID(), aLocalCS ) )
+ {
+ gp_Pnt aLocalCS3d = aLocalCS->GetPosition();
+ theLX = aLocalCS3d.X();
+ theLY = aLocalCS3d.Y();
+ }
+ else
+ {
+ theLX = DEFAULT_LOCAL_CS.X();
+ theLY = DEFAULT_LOCAL_CS.Y();
+ }
+}
+
+void HYDROData_Document::SetLocalCS( double theLX, double theLY )
+{
+ UpdateLCSFields();
+
+ // update the local CS data in attribute
+ TDF_Label aLocalCSLab = LabelOfLocalCS();
+ Handle( TDataXtd_Position ) aLocalCS;
+ if( !aLocalCSLab.FindAttribute( TDataXtd_Position::GetID(), aLocalCS ) )
+ aLocalCS = TDataXtd_Position::Set( aLocalCSLab );
+
+ gp_Pnt aLocalCS3d( theLX, theLY, 0 );
+ aLocalCS->SetPosition( aLocalCS3d );
+
+ // calculate delta for coordinates
+ double aDX = myLX - theLX;
+ double aDY = myLY - theLY;
+
+ // update the local CS data in internal fields
+ myLX = theLX;
+ myLY = theLY;
+
+ //update all objects in the document
+ HYDROData_Iterator anIterator( this, KIND_UNKNOWN );
+ for( ; anIterator.More(); anIterator.Next() )
+ anIterator.Current()->UpdateLocalCS( aDX, aDY );
+}
+
+void HYDROData_Document::UpdateLCSFields() const
+{
+ if( myLX >= 0 && myLY >= 0 )
+ return;
+
+ double aLX, aLY;
+ GetLocalCS( aLX, aLY );
+ HYDROData_Document* aThat = const_cast<HYDROData_Document*>( this );
+ aThat->myLX = aLX;
+ aThat->myLY = aLY;
+}
+
+void HYDROData_Document::Transform( double& X, double& Y, bool IsToLocalCS ) const
+{
+ UpdateLCSFields();
+ if( IsToLocalCS )
+ {
+ X -= myLX;
+ Y -= myLY;
+ }
+ else
+ {
+ X += myLX;
+ Y += myLY;
+ }
+}
+
+void HYDROData_Document::Transform( gp_Pnt& thePnt, bool IsToLocalCS ) const
+{
+ double X = thePnt.X();
+ double Y = thePnt.Y();
+ double Z = thePnt.Z();
+ Transform( X, Y, IsToLocalCS );
+ thePnt = gp_Pnt( X, Y, Z );
+}
+
+void HYDROData_Document::Transform( gp_XYZ& thePnt, bool IsToLocalCS ) const
+{
+ double X = thePnt.X();
+ double Y = thePnt.Y();
+ double Z = thePnt.Z();
+ Transform( X, Y, IsToLocalCS );
+ thePnt = gp_XYZ( X, Y, Z );
+}
+
+void HYDROData_Document::Transform( gp_XY& thePnt, bool IsToLocalCS ) const
+{
+ double X = thePnt.X();
+ double Y = thePnt.Y();
+ Transform( X, Y, IsToLocalCS );
+ thePnt = gp_XY( X, Y );
+}