diff --git a/Apps/Examples/clipping.cpp b/Apps/Examples/clipping.cpp
index 38ac732a7c941b1e3a4b2314179de4fe8d79923b..662844dbacec54912be7d6367041f8002d46628c 100644
--- a/Apps/Examples/clipping.cpp
+++ b/Apps/Examples/clipping.cpp
@@ -98,14 +98,17 @@ void Clipping::slot_spinBox_GridResolution(int i)
 	updateGL();
 }
 
-void Clipping::slot_doubleSpinBox_GridColor(double c)
+void Clipping::slot_pushButton_changePlanesColor()
 {
-	float r = dynamic_cast<Utils::QT::uiDockInterface*>(dockWidget())->doubleSpinBox_GridColorR->value();
-	float g = dynamic_cast<Utils::QT::uiDockInterface*>(dockWidget())->doubleSpinBox_GridColorG->value();
-	float b = dynamic_cast<Utils::QT::uiDockInterface*>(dockWidget())->doubleSpinBox_GridColorB->value();
+	QColor NewColor;
+	QColorDialog ColDialog;
 
-	m_planeDrawable->setColor(Geom::Vec4f(r, g, b, 1.0));
-	updateGL();
+	NewColor = ColDialog.getColor();
+
+	int r, g, b;
+	NewColor.getRgb(&r, &g, &b);
+
+	m_planeDrawable->setColor(Geom::Vec4f((float)r/255.0, (float)g/255.0, (float)b/255.0, 1.0));
 }
 
 void Clipping::slot_pushButton_addSphere()
@@ -134,14 +137,17 @@ void Clipping::slot_spinBox_SphereResolution(int i)
 	updateGL();
 }
 
-void Clipping::slot_doubleSpinBox_SphereGridColor(double c)
+void Clipping::slot_pushButton_changeSpheresColor()
 {
-	float r = dynamic_cast<Utils::QT::uiDockInterface*>(dockWidget())->doubleSpinBox_SphereGridColorR->value();
-	float g = dynamic_cast<Utils::QT::uiDockInterface*>(dockWidget())->doubleSpinBox_SphereGridColorG->value();
-	float b = dynamic_cast<Utils::QT::uiDockInterface*>(dockWidget())->doubleSpinBox_SphereGridColorB->value();
+	QColor NewColor;
+	QColorDialog ColDialog;
 
-	m_sphereDrawable->setColor(Geom::Vec4f(r, g, b, 1.0));
-	updateGL();
+	NewColor = ColDialog.getColor();
+
+	int r, g, b;
+	NewColor.getRgb(&r, &g, &b);
+
+	m_sphereDrawable->setColor(Geom::Vec4f((float)r/255.0, (float)g/255.0, (float)b/255.0, 1.0));
 }
 
 void Clipping::slot_doubleSpinBox_ColorAttenuationFactor(double c)
@@ -270,9 +276,7 @@ void Clipping::initGUI()
 	setCallBack(dock.pushButton_addPlane, SIGNAL(clicked()), SLOT(slot_pushButton_addPlane()));
 
 	setCallBack(dock.spinBox_GridResolution, SIGNAL(valueChanged(int)), SLOT(slot_spinBox_GridResolution(int)));
-	setCallBack(dock.doubleSpinBox_GridColorR, SIGNAL(valueChanged(double)), SLOT(slot_doubleSpinBox_GridColor(double)));
-	setCallBack(dock.doubleSpinBox_GridColorG, SIGNAL(valueChanged(double)), SLOT(slot_doubleSpinBox_GridColor(double)));
-	setCallBack(dock.doubleSpinBox_GridColorB, SIGNAL(valueChanged(double)), SLOT(slot_doubleSpinBox_GridColor(double)));
+	setCallBack(dock.pushButton_changePlanesColor, SIGNAL(clicked()), SLOT(slot_pushButton_changePlanesColor()));
 
 	setCallBack(dock.compileButton, SIGNAL(clicked()), SLOT(button_compile()) );
 
@@ -282,27 +286,17 @@ void Clipping::initGUI()
 	unsigned int planesPrecision1, planesPrecision2;
 	m_planeDrawable->getPrecisionDrawing(planesPrecision1, planesPrecision2);
 	dock.spinBox_GridResolution->setValue(planesPrecision1);
-	Geom::Vec4f planesColor = m_planeDrawable->getColor();
-	dock.doubleSpinBox_GridColorR->setValue(planesColor[0]);
-	dock.doubleSpinBox_GridColorG->setValue(planesColor[1]);
-	dock.doubleSpinBox_GridColorB->setValue(planesColor[2]);
 
 
 
 	setCallBack(dock.pushButton_addSphere, SIGNAL(clicked()), SLOT(slot_pushButton_addSphere()));
 
 	setCallBack(dock.spinBox_SphereResolution, SIGNAL(valueChanged(int)), SLOT(slot_spinBox_SphereResolution(int)));
-	setCallBack(dock.doubleSpinBox_SphereGridColorR, SIGNAL(valueChanged(double)), SLOT(slot_doubleSpinBox_SphereGridColor(double)));
-	setCallBack(dock.doubleSpinBox_SphereGridColorG, SIGNAL(valueChanged(double)), SLOT(slot_doubleSpinBox_SphereGridColor(double)));
-	setCallBack(dock.doubleSpinBox_SphereGridColorB, SIGNAL(valueChanged(double)), SLOT(slot_doubleSpinBox_SphereGridColor(double)));
+	setCallBack(dock.pushButton_changeSpheresColor, SIGNAL(clicked()), SLOT(slot_pushButton_changeSpheresColor()));
 
 	unsigned int spheresPrecision1, spheresPrecision2;
 	m_sphereDrawable->getPrecisionDrawing(spheresPrecision1, spheresPrecision2);
 	dock.spinBox_GridResolution->setValue(spheresPrecision1);
-	Geom::Vec4f spheresColor = m_sphereDrawable->getColor();
-	dock.doubleSpinBox_SphereGridColorR->setValue(spheresColor[0]);
-	dock.doubleSpinBox_SphereGridColorG->setValue(spheresColor[1]);
-	dock.doubleSpinBox_SphereGridColorB->setValue(spheresColor[2]);
 
 
 
diff --git a/Apps/Examples/clipping.h b/Apps/Examples/clipping.h
index 756a0037f1780e01b1552e81b7377f1610e13bf0..8799498c5da375b70e397c4f43f780bff8362bb5 100644
--- a/Apps/Examples/clipping.h
+++ b/Apps/Examples/clipping.h
@@ -140,12 +140,12 @@ public slots:
 	void slot_pushButton_addPlane();
 
 	void slot_spinBox_GridResolution(int i);
-	void slot_doubleSpinBox_GridColor(double c);
+	void slot_pushButton_changePlanesColor();
 
 	void slot_pushButton_addSphere();
 
 	void slot_spinBox_SphereResolution(int i);
-	void slot_doubleSpinBox_SphereGridColor(double c);
+	void slot_pushButton_changeSpheresColor();
 
 	void slot_doubleSpinBox_ColorAttenuationFactor(double c);
 	void slot_radioButton_ClippingMode(bool b);
diff --git a/Apps/Examples/clipping.ui b/Apps/Examples/clipping.ui
index 733404f380f834dc074c610887cac0003a072385..2ac642c2b7eae2435dd5bfa15a6fcc38cf36cbd2 100644
--- a/Apps/Examples/clipping.ui
+++ b/Apps/Examples/clipping.ui
@@ -6,7 +6,7 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>424</width>
+    <width>455</width>
     <height>468</height>
    </rect>
   </property>
@@ -190,68 +190,31 @@
                 <layout class="QHBoxLayout" name="horizontalLayout_2">
                  <item>
                   <layout class="QGridLayout" name="gridLayout_12">
-                   <item row="2" column="2">
-                    <widget class="QDoubleSpinBox" name="doubleSpinBox_GridColorG">
-                     <property name="maximum">
-                      <double>1.000000000000000</double>
-                     </property>
-                     <property name="singleStep">
-                      <double>0.100000000000000</double>
-                     </property>
-                    </widget>
-                   </item>
-                   <item row="1" column="0">
+                   <item row="0" column="0">
                     <widget class="QLabel" name="label_GridResolution">
                      <property name="text">
                       <string>Res.</string>
                      </property>
                     </widget>
                    </item>
-                   <item row="1" column="1">
+                   <item row="0" column="1">
                     <widget class="QSpinBox" name="spinBox_GridResolution">
                      <property name="maximum">
                       <number>200</number>
                      </property>
                     </widget>
                    </item>
-                   <item row="2" column="0">
+                   <item row="1" column="0">
                     <widget class="QLabel" name="label_GridColor">
                      <property name="text">
                       <string>Color</string>
                      </property>
                     </widget>
                    </item>
-                   <item row="0" column="1">
-                    <widget class="QDoubleSpinBox" name="doubleSpinBox_GridDisplaySize">
-                     <property name="singleStep">
-                      <double>0.100000000000000</double>
-                     </property>
-                    </widget>
-                   </item>
-                   <item row="0" column="0">
-                    <widget class="QLabel" name="label_GridSize">
+                   <item row="1" column="1">
+                    <widget class="QPushButton" name="pushButton_changePlanesColor">
                      <property name="text">
-                      <string>Size</string>
-                     </property>
-                    </widget>
-                   </item>
-                   <item row="2" column="3">
-                    <widget class="QDoubleSpinBox" name="doubleSpinBox_GridColorB">
-                     <property name="maximum">
-                      <double>1.000000000000000</double>
-                     </property>
-                     <property name="singleStep">
-                      <double>0.100000000000000</double>
-                     </property>
-                    </widget>
-                   </item>
-                   <item row="2" column="1">
-                    <widget class="QDoubleSpinBox" name="doubleSpinBox_GridColorR">
-                     <property name="maximum">
-                      <double>1.000000000000000</double>
-                     </property>
-                     <property name="singleStep">
-                      <double>0.100000000000000</double>
+                      <string>Change Color</string>
                      </property>
                     </widget>
                    </item>
@@ -302,16 +265,6 @@
                 <layout class="QHBoxLayout" name="horizontalLayout_3">
                  <item>
                   <layout class="QGridLayout" name="gridLayout_13">
-                   <item row="1" column="2">
-                    <widget class="QDoubleSpinBox" name="doubleSpinBox_SphereGridColorG">
-                     <property name="maximum">
-                      <double>1.000000000000000</double>
-                     </property>
-                     <property name="singleStep">
-                      <double>0.100000000000000</double>
-                     </property>
-                    </widget>
-                   </item>
                    <item row="0" column="0">
                     <widget class="QLabel" name="label_SphereResolution">
                      <property name="text">
@@ -333,23 +286,10 @@
                      </property>
                     </widget>
                    </item>
-                   <item row="1" column="3">
-                    <widget class="QDoubleSpinBox" name="doubleSpinBox_SphereGridColorB">
-                     <property name="maximum">
-                      <double>1.000000000000000</double>
-                     </property>
-                     <property name="singleStep">
-                      <double>0.100000000000000</double>
-                     </property>
-                    </widget>
-                   </item>
                    <item row="1" column="1">
-                    <widget class="QDoubleSpinBox" name="doubleSpinBox_SphereGridColorR">
-                     <property name="maximum">
-                      <double>1.000000000000000</double>
-                     </property>
-                     <property name="singleStep">
-                      <double>0.100000000000000</double>
+                    <widget class="QPushButton" name="pushButton_changeSpheresColor">
+                     <property name="text">
+                      <string>Change Color</string>
                      </property>
                     </widget>
                    </item>