diff --git a/API_Photo.cpp b/API_Photo.cpp
index f670bbb..1ca41a4 100644
--- a/API_Photo.cpp
+++ b/API_Photo.cpp
@@ -49,3 +49,38 @@ __stdcall EgtChangePhotoPath( int nId, const wchar_t* wsFile)
 {
    return ( ExeChangePhotoPath( nId, wstrztoA( wsFile)) ? TRUE : FALSE) ;
 }
+
+//-----------------------------------------------------------------------------
+BOOL
+__stdcall EgtGetPhotoOrigin( int nId, double ptOri[3])
+{
+   if ( ptOri == nullptr)
+      return FALSE ;
+   Point3d ptTmp ;
+   if ( ! ExeGetPhotoOrigin( nId, ptTmp))
+      return FALSE ;
+   VEC_FROM_3D( ptOri, ptTmp)
+   return TRUE ;
+}
+
+//-----------------------------------------------------------------------------
+BOOL
+__stdcall EgtGetPhotoCenter( int nId, double ptCen[3])
+{
+   if ( ptCen == nullptr)
+      return FALSE ;
+   Point3d ptTmp ;
+   if ( ! ExeGetPhotoCenter( nId, ptTmp))
+      return FALSE ;
+   VEC_FROM_3D( ptCen, ptTmp)
+   return TRUE ;
+}
+
+//-----------------------------------------------------------------------------
+BOOL
+__stdcall EgtGetPhotoMMxPixel( int nId, double* pdMMxPixel)
+{
+   if ( pdMMxPixel == nullptr)
+      return FALSE ;
+   return ( ExeGetPhotoMMxPixel( nId, *pdMMxPixel) ? TRUE : FALSE) ;
+}
diff --git a/EgtInterface.rc b/EgtInterface.rc
index ede9920..d16ea8d 100644
Binary files a/EgtInterface.rc and b/EgtInterface.rc differ