Passing Model to Nomad3DExporter.writeForViewer()

src/main/java/fr/ill/ics/n3d/gui/EditorMenuBar.java

@@ -295,7 +295,7 @@ public class EditorMenuBar extends MenuBar {
 					// Save the viewer file.
 					Nomad3DExporter exporter = new Nomad3DExporter();
 					Nomad3DEditor editor = Nomad3DEditor.getInstance();
-					exporter.writeForViewer(editor.getModel().getDisplayedRoot(), hideBBDiagonal, selectedFile);
+					exporter.writeForViewer(editor.getModel(), hideBBDiagonal, selectedFile);
 
 					String viewPath = selectedFile.getAbsolutePath();
 					String geometriesPath = editor.getModel().getDirectoryPath();