+ fix method ViewProviderDocumentObject::getActiveView()

+ fix SoAutoZoomTranslation and SoZoomTranslation to get correct scaling factor
(do not rely on active view because this can be the wrong one and thus delivers wrong results)

src/Gui/ViewProviderDocumentObject.cpp

@@ -38,6 +38,7 @@
 #include "Application.h"
 #include "Document.h"
 #include "Selection.h"
+#include "MainWindow.h"
 #include "MDIView.h"
 #include "TaskView/TaskAppearance.h"
 #include "ViewProviderDocumentObject.h"
@@ -160,7 +161,20 @@ Gui::MDIView* ViewProviderDocumentObject::getActiveView() const
 {
     App::Document* pAppDoc = pcObject->getDocument();
     Gui::Document* pGuiDoc = Gui::Application::Instance->getDocument(pAppDoc);
-    return pGuiDoc->getActiveView();
+
+    MDIView* active = getMainWindow()->activeWindow();
+    std::list<MDIView*> views = pGuiDoc->getViewsOfViewProvider(const_cast<ViewProviderDocumentObject*>(this));
+
+    // is the active window a 3d view and does it contain this view provider
+    std::list<MDIView*>::iterator it = std::find(views.begin(), views.end(), active);
+    if (it != views.end())
+        return *it;
+    // if there is a 3d view containing this view provider return the first one
+    else if (!views.empty())
+        return views.front();
+    // no 3d view found containing this view provider
+    else
+        return 0;
 }
 
 Gui::MDIView* ViewProviderDocumentObject::getEditingView() const