plot a track according to heading only for ballooning and yachting.

Right now in Gaia you need to know your destination to plot a line and receive a compass course. I would like to be able to draw a line on the map at a particular angle without entering a destination . With ballooning we know the heading that the wind will take us but we need to find out where we will end up after flying that heading.   This feature would also be useful for yachting when  you need to know where the current tack will take you when sailing on the wind or when trying to hold a particular jibe. 

It would be enough if i could see the heading changing while creating a route,  as it is now the distance along the route can be seen as I move the end point about but the heading only appears when I finish the line.