> for me FG is quite impossible to use with the ridge drift, on startup it
> start having full of nan nan nan, cull visitor and so on, with 1 fps,
> nearly 90% of my try to start are bad.
>
> i commented some lines in ridge_lift.cxx (from 210 to 307, and change
> 309 to:
> _ridge_lift_fps_node->setDoubleValue( 0);
>
> and i don't have anymore working ridge lift, and no more nan nan nan.....
>
> having looked inthe properties /environment/ridge-lift, some values were
> nan when i had the cull visitor, like some probe-lon-deg, probe-elev-m.
>
> my test were in LFKE, LFHE and some others, with the bocian and ask21.
>
> if that's related to system or hardware:
>
> amd athlonXP 2800+, 2.5G ram, nvidia geforce 6200, and debian sid...
>
> jano

Weird, I wonder where these come from.

Did you use the CVS version of these files ? Some previous versions of 
ridge_lift did produce a lot of NaNs, but I thought I had got rid of these.

Patrice

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