diff --git a/chart/org.eclipse.birt.chart.device.svg/src/org/eclipse/birt/chart/device/svg/SVGGraphics2D.java b/chart/org.eclipse.birt.chart.device.svg/src/org/eclipse/birt/chart/device/svg/SVGGraphics2D.java
index b8676c650d4..4ae95d7d77d 100644
--- a/chart/org.eclipse.birt.chart.device.svg/src/org/eclipse/birt/chart/device/svg/SVGGraphics2D.java
+++ b/chart/org.eclipse.birt.chart.device.svg/src/org/eclipse/birt/chart/device/svg/SVGGraphics2D.java
@@ -1508,7 +1508,7 @@ protected Element createShape( Shape shape )
 		StringBuffer pathStr = new StringBuffer( );
 		while ( !pathIter.isDone( ) )
 		{
-			double[] points = new double[6];
+			float[] points = new float[6];
 			int TYPE = pathIter.currentSegment( points );
 			switch ( TYPE )
 			{
@@ -1962,4 +1962,27 @@ static String toString( double[] v, int length, char separator )
 		}
 		return buffer.toString( );
 	}
+
+	static String toString( float[] v, int length, char separator )
+	{
+		if ( v.length == 0 )
+		{
+			return ""; //$NON-NLS-1$
+		}
+		if ( v.length == 1 )
+		{
+			return toString( v[0] );
+		}
+		if ( length > v.length )
+		{
+			length = v.length;
+		}
+		StringBuffer buffer = new StringBuffer( toString( v[0] ) );
+		for ( int i = 1; i < length; i++ )
+		{
+			buffer.append( separator );
+			buffer.append( toString( v[i] ) );
+		}
+		return buffer.toString( );
+	}
 }
diff --git a/chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/render/AxesRenderHelper.java b/chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/render/AxesRenderHelper.java
index 327c56eed69..ff304ddf2f3 100644
--- a/chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/render/AxesRenderHelper.java
+++ b/chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/render/AxesRenderHelper.java
@@ -740,7 +740,7 @@ private List<TextRenderEvent> renderVerticalAxisTickLabels( ComputationContext c
 			computation.handlePreEachTick( i );
 
 			double y = da.getCoordinate( i );
-			boolean bSkipTickLine = ChartUtil.mathEqual( yLast, y );
+			boolean bSkipTickLine = ( Math.abs( yLast - y ) < 1 );
 			if ( !bSkipTickLine )
 			{
 				yLast = y;
@@ -1039,7 +1039,7 @@ private List<TextRenderEvent>  renderHorizontalAxisTickLabels( ComputationContex
 
 			double x = da.getCoordinate( i );
 
-			boolean bSkipTickLine = ChartUtil.mathEqual( x, xLast );
+			boolean bSkipTickLine = ( Math.abs( x - xLast ) < 1 );
 			if ( !bSkipTickLine )
 			{
 				xLast = x;