[postgis-users] is there a function which checks the Right-Hand-Rule (RHR)?

[Astrid Emde]

Hello,

I want to check whether my polygons follow the Right-Hand-Rule. Is there a
function to do this?

I found the function ST_ForceRHR [1] that will modify my polygons to
follow the rule. But it would be nice to check first which polygons will
be effected.

Astrid

[1] http://www.postgis.org/documentation/manual-1.5/ST_ForceRHR.html