VOF Free Surface height varying along the wall
 

Hello and have a nice day a head,

Actually i have done a Fluent dam break tutorial in my course while applying the VOF model.I have achieved the required results as per my goals.Now i am doing a similar case where i need to measure the Free surface height of water level and its variation along the wall.

Can any body suggest me how can i do this stuff in fluent Post?Or i have to write a UDF to Sort out my problem?

Kindly help me as i am stuck in this since long time.
Thanks
And i have no problem with VOF model the only thing i need the height of water along the wall.