Displays only the line with data flowing into the selected
country or with
data flowing out of the
selected country.
controller.showInOnly(true);
![](../../assets/images/design/showInOnly_true.jpg)
controller.showInOnly(false);
![](../../assets/images/design/showInOnly_false.jpg)
controller.showOutOnly(true);
![](../../assets/images/design/showOutOnly_true.jpg)
controller.showOutOnly(false);
![](../../assets/images/design/showOutOnly_false.jpg)