Change include directory from local to system wide
--- a/examples/axes/src/axesmainwindow.cpp
+++ b/examples/axes/src/axesmainwindow.cpp
@@ -9,7 +9,7 @@
 
 #include "axes.h"
 #include "axesmainwindow.h"
-#include "../../../include/qwt3d_function.h"
+#include <qwt3d_function.h>
 
 using namespace std;
 using namespace Qwt3D;
--- a/examples/mesh2/src/colormapreader.h
+++ b/examples/mesh2/src/colormapreader.h
@@ -5,7 +5,7 @@
 #include <qframe.h>
 #include <qpixmap.h>
 
-#include "../../../include/qwt3d_types.h"
+#include <qwt3d_types.h>
 
 #if QT_VERSION < 0x040000
 
--- a/examples/mesh2/src/functions.h
+++ b/examples/mesh2/src/functions.h
@@ -2,8 +2,8 @@
 #define __EXAMPLE_H__
 
 #include <math.h>
-#include "../../../include/qwt3d_parametricsurface.h"
-#include "../../../include/qwt3d_function.h"
+#include <qwt3d_parametricsurface.h>
+#include <qwt3d_function.h>
 
 using namespace Qwt3D;
 
--- a/examples/mesh2/src/lightingdlg.h
+++ b/examples/mesh2/src/lightingdlg.h
@@ -3,10 +3,10 @@
 
 #include <math.h>
 #include <qapplication.h>
-#include "../../../include/qwt3d_parametricsurface.h"
-#include "../../../include/qwt3d_surfaceplot.h"
-#include "../../../include/qwt3d_enrichment.h"
-#include "../../../include/qwt3d_color.h"
+#include <qwt3d_parametricsurface.h>
+#include <qwt3d_surfaceplot.h>
+#include <qwt3d_enrichment.h>
+#include <qwt3d_color.h>
 
 #if QT_VERSION < 0x040000
 #include "lightingdlgbase.h"
--- a/examples/mesh2/src/mesh2mainwindow.cpp
+++ b/examples/mesh2/src/mesh2mainwindow.cpp
@@ -16,7 +16,7 @@
 #include <qtoolbar.h>
 #include <qimage.h>
 #include <qpixmap.h>
-#include <qfiledialog.h>       
+#include <qfiledialog.h>
 #include <qstatusbar.h>
 #include <qfileinfo.h>
 #include <qslider.h>
@@ -33,9 +33,9 @@
 #include "colormapreader.h"
 #include "lightingdlg.h"
 #include "femreader.h"
-#include "../../../include/qwt3d_io.h"
-#include "../../../include/qwt3d_io_gl2ps.h"
-#include "../../../include/qwt3d_io_reader.h"
+#include <qwt3d_io.h>
+#include <qwt3d_io_gl2ps.h>
+#include <qwt3d_io_reader.h>
 
 using namespace Qwt3D;
 using namespace std;
--- a/examples/mesh2/src/mesh2mainwindow.h
+++ b/examples/mesh2/src/mesh2mainwindow.h
@@ -1,7 +1,7 @@
 #ifndef mesh2mainwindow_h__2004_03_07_13_38_begin_guarded_code
 #define mesh2mainwindow_h__2004_03_07_13_38_begin_guarded_code
 
-#include "../../../include/qwt3d_surfaceplot.h"
+#include <qwt3d_surfaceplot.h>
 
 
 #if QT_VERSION < 0x040000
--- a/examples/enrichments/src/enrichmentmainwindow.cpp
+++ b/examples/enrichments/src/enrichmentmainwindow.cpp
@@ -6,7 +6,7 @@
 
 #include "enrichmentmainwindow.h"
 #include "enrichments.h"
-#include "../../../include/qwt3d_function.h"
+#include <qwt3d_function.h>
 
 using namespace Qwt3D;