modifying PNScatterChartData

@@ -24,45 +24,8 @@
 {
     _inflexionPointStyle = PNScatterChartPointStyleCircle;
     _fillColor = [UIColor grayColor];
-    _strokeColor = [UIColor blackColor];
-    _size = 10 ;
-}
-
-- (CAShapeLayer*) drawingPoints
-{
-    if (_inflexionPointStyle == PNScatterChartPointStyleCircle) {
-        float radius = _size;
-        CAShapeLayer *circle = [CAShapeLayer layer];
-        // Make a circular shape
-        circle.path = [UIBezierPath bezierPathWithRoundedRect:CGRectMake(0, 0, 2.0*radius, 2.0*radius)
-                                                 cornerRadius:radius].CGPath;
-        // Configure the apperence of the circle
-        circle.fillColor = [_fillColor CGColor];
-        circle.strokeColor = [_strokeColor CGColor];
-        circle.lineWidth = 1;
-        
-        // Add to parent layer
-        return circle;
-    }
-    else if (_inflexionPointStyle == PNScatterChartPointStyleSquare) {
-        float side = _size;
-        CAShapeLayer *square = [CAShapeLayer layer];
-        // Make a circular shape
-        square.path = [UIBezierPath bezierPathWithRect:CGRectMake(0, 0, side, side)].CGPath ;
-        // Configure the apperence of the circle
-        square.fillColor = [_fillColor CGColor];
-        square.strokeColor = [_strokeColor CGColor];
-        square.lineWidth = 1;
-        
-        // Add to parent layer
-        return square;
-        
-    }
-    else {
-        // you cann add your own scatter chart poin here
-    }
-    return nil ;
-
+    _strokeColor = [UIColor clearColor];
+    _size = 3 ;
 }
 
 @end