## x_ratio_to_chart property


Gets or gets the x coordinate of the upper left corner of plot-area bounding box in units of ratio of the chart area.

### Remarks 


The plot-area bounding box includes the plot area, tick marks(tick labels), and a small border around the tick marks.
If the value is not created by MS Excel, please call Chart.Calculate() method before calling this method. 


The **XRatioToChart** , **YRatioToChart** , **WidthRatioToChart**  and **HeightRatioToChart**  of **PlotArea**  represents the plot-area 
bounding box that includes the plot area, tick marks(tick labels), and a small border around the tick marks. 
If you want to get actual size of plot area, you should call **InnerXRatioToChart** , **InnerYRatioToChart** , **InnerWidthRatioToChart**  and 
**InnerHeightRatioToChart**  properties.


For excel 2007 or latter, the default value is zero. you should call get the value after calling Chart.Calculate().

 
XPixel = XRatioToChart * chart.ChartObject.Width.
### Definition:
```python
@property
def x_ratio_to_chart(self):
    ...
@x_ratio_to_chart.setter
def x_ratio_to_chart(self, value):
    ...
```

### See Also
* module [`aspose.cells.charts`](../../)
* class [`PlotArea`](/cells/python-net/aspose.cells.charts/plotarea)