Path Profile always smoothed?

RobHWRobHW Posts: 8
Extracting a profile from imported topo DTM data (Aster or SRTM) seems to do very strange things in V19. 

The first profile that is extracted after import is ridiculous.

The next profile (same line exactly) produces a smoothed profile.

And successive profiles stay the same after that.

The same profile line out of V17 produces this

and MUCH faster.

What is going on?

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