[GRASS5] [bug #2709] (grass) s.surf.rst: wrong slopes if anisotropy is used with scaling

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this bug's URL: http://intevation.de/rt/webrt?serial_num=2709
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Subject: s.surf.rst: wrong slopes if anisotropy is used with scaling

Platform: GNU/Linux/i386
grass obtained from: Trento Italy site
grass binary for platform: Compiled from Sources
GRASS Version: 5.3, 5.4

Please enter your name and error description here

In s.surf.rst, if anisotropy is given, morphometric parameters slope and probably others
are incorrect. Also, if direction for anisotropy is 0 but scaling is used,
anisotropy does not work properly.

Helena

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