Flow Paths using Line Style "V Track (Opens towards start of Solid Line)"

CarrickCon

G'day Folks,

Working as a surface water engineer I probably use the "Create Watershed' tool in GM more than any other and generally its really good! However, when I assign the line style "V Track (Opens towards start of Solid Line)"  to the resulting flow paths I end up with flow direction arrows pointing upstream (as shown in attached screen grab where the terrain falls from bottom to top of view).  I realise this occurs because GM creates a continuous flow path line from upstream to downstream and back upstream again. In order to correct this problem I manually break the lines and use the reverse order of vertices command, buts its VERY painstaking!

Does anyone have a workaround to fix this?

Any help much appreciated.

Cheers,
/al
 

CarrickCon

And here is the aforementioned screen grab...

CarrickCon

Apologies - this version is probably a bit easier to see what I mean...

CarrickCon

I've answered my own question! If you select "Create Watershed Areas Showing Drainage to Selected Line(s)" even when you don't need to and are just looking for catchment wide flow directions, it seems to force ALL the arrows downstream. See attached screen grab.

Just thought I'd post this in case anybody else is having same problem.

Ta,
/al