+ // Set transformation local points A,B,C to the image preview presentation
+ setPresentationTrsfPoints( myPreviewPrs, anIsByTwoPoints, aLocalPointA,
+ aLocalPointB, aLocalPointC );
+
+ // Build the existing image local and global points mapping
+ // according to the current transformation mode.
+ HYDROData_Image::TransformationMode aTrsfMode = myEditedObject->GetTrsfMode();
+ QPointF aTrsfPointA, aTrsfPointB, aTrsfPointC;
+ HYDROGUI_ImportImageDlg::TransformationDataMap aDataMap;
+ if ( aTrsfMode == HYDROData_Image::ReferenceImage )
+ {
+ // Compute global points using the transformation matrix of the reference image
+ Handle(HYDROData_Image) aRefImage = myEditedObject->GetTrsfReferenceImage();
+ if ( !aRefImage.IsNull() )
+ {
+ QTransform aRefTrsf = aRefImage->Trsf(); // The reference image transformation matrix
+ aTrsfPointA = aRefTrsf.map( aLocalPointA ); // Compute the global point A
+ aTrsfPointB = aRefTrsf.map( aLocalPointB ); // Compute the global point B
+ if ( !anIsByTwoPoints )
+ {
+ aTrsfPointC = aRefTrsf.map( aLocalPointC ); // Compute the global point C if used
+ }
+ // Build the local-global points map
+ // Use the reference image transformation mode for interpreting global points
+ computeTrsfData( aRefImage->GetTrsfMode(), anIsByTwoPoints, aLocalPointA, aLocalPointB, aLocalPointC,
+ aTrsfPointA, aTrsfPointB, aTrsfPointC, aDataMap );
+ }
+ }
+ else
+ {
+ // Get global points from the edited image
+ myEditedObject->GetGlobalPoints( aTrsfMode, aTrsfPointA, aTrsfPointB, aTrsfPointC );
+ // Build the local-global points map
+ computeTrsfData( aTrsfMode, anIsByTwoPoints, aLocalPointA, aLocalPointB, aLocalPointC,
+ aTrsfPointA, aTrsfPointB, aTrsfPointC, aDataMap );
+ }
+
+ // Initialize the dialog mode, local and global coordinates
+ // except coordinates on the reference image
+ aPanel->setTransformationMode( aTrsfMode );
+ aPanel->setTransformationDataMap( aDataMap );
+ aPanel->setByTwoPoints( anIsByTwoPoints );
+
+ // Set points of the reference image
+ if ( aTrsfMode == HYDROData_Image::ReferenceImage )