diff --git a/src/celestia/celestiacore.cpp b/src/celestia/celestiacore.cpp
index f00b6c5f..23fcd383 100644
--- a/src/celestia/celestiacore.cpp
+++ b/src/celestia/celestiacore.cpp
@@ -2745,6 +2745,12 @@ void CelestiaCore::singleView(View* av)
     setFOVFromZoom();
 }
 
+void CelestiaCore::setActiveView(View* v)
+{
+    activeView = find(views.begin(),views.end(),v);
+    sim->setActiveObserver((*activeView)->observer);
+}
+
 void CelestiaCore::deleteView(View* v)
 {
     if (v == NULL)
diff --git a/src/celestia/celestiacore.h b/src/celestia/celestiacore.h
index 802c015a..b4374a3f 100644
--- a/src/celestia/celestiacore.h
+++ b/src/celestia/celestiacore.h
@@ -296,6 +296,7 @@ class CelestiaCore // : public Watchable<CelestiaCore>
     void splitView(View::Type type, View* av = NULL, float splitPos = 0.5f);
     void singleView(View* av = NULL);
     void deleteView(View* v = NULL);
+    void setActiveView(View* v = NULL);
     bool getFramesVisible() const;
     void setFramesVisible(bool);
     bool getActiveFrameVisible() const;