On 1 Mar 2013, at 07:53, Renk Thorsten <thorsten.i.r...@jyu.fi> wrote:
> However, the change does mean that if you leave the visibility at cruise
> altitudes of airliners at 10 km, you will not get to see many clouds
> regardless of how the cloud visibility range is set (because they now respect
> the real visibility setting in addition), so this is potentially an issue for
> Basic Weather users. If this is a show-stopper, then we may need to undo the
> changes, but fading to alpha is by far the fastest way to deal with heavily
> fogged clouds.
This feels like a moderately large issue to me, because out of the box, we
select basic weather, and hence we're going to get bug reports about clouds not
appearing. We could make basic weather drive the real visibility based on
altitude, but then we're moving away from 'basic weather does what you set'. We
could give basic weather sea-level and altitude visibility and interpolate
between them, which I guess is what advanced weather does?
And of course if we drive 'real' visibility in that way, we're back to
upsetting the performance of people who are using visibility range to modulate
performance.
Suggestion:
rename cloud 'visibility' distance to 'draw distance' (since it's in
the rendering dialog anyway), to make it clear it's nothing to do with weather
/ environment
in basic weather, have clouds ignore environment/visibility, and simply
use draw distance (as before)
in advanced weather, cloud use the minimum of both, and get fogged,
with nice results in low vis situations.
This assumes distinguishing weather models i the cloud code is possible, of
course.
James
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