diff --git a/mscgraphics/basicmscgraph/mscArrowHead.py b/mscgraphics/basicmscgraph/mscArrowHead.py
index 9f654baf444c6dad4519525bc17d17bc804af70b..3c3f124158de97c8f50b2497472e5db9f37471a0 100644
--- a/mscgraphics/basicmscgraph/mscArrowHead.py
+++ b/mscgraphics/basicmscgraph/mscArrowHead.py
@@ -25,9 +25,7 @@
 # */
 #******************************************************************************
 from PySide.QtCore import Qt
-from PySide.QtGui import QPen
-from PySide.QtGui import QPainterPath
-from PySide.QtGui import QGraphicsPathItem
+from PySide.QtGui import QPen, QPainterPath, QGraphicsPathItem, QPainter
 
 
 class MscArrowHead(QGraphicsPathItem):
@@ -80,3 +78,7 @@ class MscArrowHead(QGraphicsPathItem):
         self.drawOriginX = self.width
         self.drawOriginY = - (self.height / 2.0)
         self.updatePath()
+
+    def paint(self, painter, option, widget):
+        painter.setRenderHint(QPainter.Antialiasing, True)
+        super(MscArrowHead, self).paint(painter, option, widget)
diff --git a/mscgraphics/basicmscgraph/mscGraphCondition.py b/mscgraphics/basicmscgraph/mscGraphCondition.py
index 50c33dfd0a24fc8d8f53effde0c08e6909e127f9..1e92e4363573c2392a7686e8be5a1a08f2662919 100644
--- a/mscgraphics/basicmscgraph/mscGraphCondition.py
+++ b/mscgraphics/basicmscgraph/mscGraphCondition.py
@@ -25,7 +25,7 @@
 #  Copyright (c) 2012 European Space Agency
 #
 #******************************************************************************
-from PySide.QtGui import QPainterPath, QPen, QBrush, QColor
+from PySide.QtGui import QPainterPath, QPen, QBrush, QColor, QPainter
 from PySide.QtCore import Qt, Slot, QPointF
 
 from msccore import MscCondition
@@ -133,7 +133,7 @@ class MscGraphCondition(MscGraphItem):
     # Paint Functions
     #**************************************************************************
     def initilizeGraphics(self):
-        self.color = Qt.blue
+        self.color = Qt.black
         self.pen = QPen(self.color, 1, Qt.SolidLine, Qt.RoundCap, Qt.RoundJoin)
         self.brush = QBrush(QColor(255, 255, 202))
 
@@ -154,12 +154,22 @@ class MscGraphCondition(MscGraphItem):
         Create the path of Timer
         """
         self.path = QPainterPath()
-        self.path.addRect(-self.DefaultWidth / 2, 0,
-                          self.DefaultWidth, self.DefaultHeight)
+        self.path.moveTo(5, 0)
+        self.path.lineTo(0, self.DefaultHeight / 2)
+        self.path.lineTo(5, self.DefaultHeight)
+        self.path.lineTo(self.DefaultWidth - 5, self.DefaultHeight)
+        self.path.lineTo(self.DefaultWidth, self.DefaultHeight / 2)
+        self.path.lineTo(self.DefaultWidth - 5, 0)
+        self.path.lineTo(5, 0)
+        self.path.translate(-self.DefaultWidth / 2, 0)
+
+        #self.path.addRect(-self.DefaultWidth / 2, 0,
+        #                  self.DefaultWidth, self.DefaultHeight)
         # Set correct values of x, y, width and height
         self.updateBounding()
 
     def paint(self, painter, option, widget):
         painter.setPen(self.pen)
         painter.setBrush(self.brush)
+        painter.setRenderHint(QPainter.Antialiasing, True)
         painter.drawPath(self.path)
diff --git a/mscgraphics/basicmscgraph/mscGraphInstance.py b/mscgraphics/basicmscgraph/mscGraphInstance.py
index 34e3c92a23424fc6c12b991286a4dd8eaf832222..a2f8cad992719b0fb0eff0a125a6500f273e9063 100644
--- a/mscgraphics/basicmscgraph/mscGraphInstance.py
+++ b/mscgraphics/basicmscgraph/mscGraphInstance.py
@@ -24,8 +24,7 @@
 #  Copyright (c) 2012 European Space Agency
 #
 #******************************************************************************
-from PySide.QtGui import QPen, QGraphicsRectItem
-from PySide.QtGui import QLinearGradient
+from PySide.QtGui import QPen, QGraphicsRectItem, QLinearGradient, QPainter
 from PySide.QtCore import Qt, QPointF, Slot
 
 import msccore
@@ -322,6 +321,7 @@ class MscGraphInstance(MscGraphItem):
     def paint(self, painter, option, widget=None):
         ''' Paint the instance Axis Symbol '''
         painter.setPen(QPen(self.pen).setColor(Qt.black))
+        painter.setRenderHint(QPainter.Antialiasing, True)
         painter.drawLine(0, 0, 0, self.bodySize)
 
     #**************************************************************************