[Gmsh] surface orientation

[gmsh at praveen.e4ward.com]

Hello
I want to have same surface orientation for all surfaces in a 2-d mesh. I
follow the manual and use negative surface numbers in the "Physical
Surface" part. But this does not seem to make any difference. I have
attached example. Try with all positive and negative ids at the bottom of
file. It gives same mesh as checked by doing diff. Is this supposed to work
?
THanks
praveen
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