Untitled

coreplot:Converted coordinates, have problems. [plotSpace plotPoint:plotPoint forPlotAreaViewPoint:point];
-(BOOL)plotSpace:(CPTPlotSpace *)space shouldHandlePointingDeviceDownEvent:(id)event atPoint:(CGPoint)point
{    NSDecimal plotPoint[2];
    CPTXYPlotSpace *plotSpace = (CPTXYPlotSpace *)graph.defaultPlotSpace;
    [plotSpace plotPoint:plotPoint forPlotAreaViewPoint:point];


   //HERE HAVE SOME OFFSET. I FIND ,it Calculated part of the x-axis from the border
    NSLog(@"touch plotPoint = %d, %f",
    [[NSDecimalNumber decimalNumberWithDecimal:plotPoint[CPTCoordinateX]] intValue],
    [[NSDecimalNumber decimalNumberWithDecimal:plotPoint[CPTCoordinateY]] doubleValue]);
    return YES;
}

CGPoint plotAreaPoint = [graph convertPoint:point toLayer:graph.plotAreaFrame.plotArea];
[plotSpace plotPoint:plotPoint forPlotAreaViewPoint:plotAreaPoint];