#include <Standard_Handle.hxx>
#include <Prs3d_Drawer.hxx>
-#include <Standard_Real.hxx>
-class Prs3d_Presentation;
+#include <Prs3d_Presentation.hxx>
+
class gp_Pnt;
class gp_Dir;
-
//! A framework to define display of tangents.
class DsgPrs_TangentPresentation
{