On Fri, 2012-03-02 at 12:39 -0600, Curtis Olson wrote:
> Hi Ian,
> 
> If you wish to set your own tower position, it's pretty straight
> forward and can be done manually or via nasal or probably a few other
> mechanisms.  
> 
> 
> By default flightgear will set the tower position to the nearest
> airfield, so to disable that, set: /sim/tower/auto-position = 0
> 
> 
> Then you can set /sim/tower/longitude-deg, /sim/tower/latitude-deg,
> and /sim/tower/altitude-ft
> 
Ah, my "significant effort" comment was more to do with making an R/C
Flying Field as an "airport" than with tweaking the tower position. Also
people might not want the list of recognised airports cluttered up with
fake airports.

What I am trying to a achieve is an interface a kid can operate with no
more difficulty than selecting a view (and preferably automatic).
Manually figuring out what latitude and longitude will give an offset of
a few meters in the right direction is definitely in the too hard
basket. The locate tower with a mouse click suggested by Gijs is closer
to the mark (though the link to the script doesn't work for me). Anyway,
the point is not so much how to implement the right view, as how the
user should invoke it. A "view" with the right characteristics seems to
be the best solution. An alternative, which you seem to suggest, would
be to customise the existing "Tower View". But to achieve the ease of
use I was looking for would need some additional menu, available when in
"Tower View", which would allow it to be customised and for those
customisations to be saved.  

> For RC views, you may also wish to play around with auto-zooming --
> either to help keep the aircraft large enough to see, or help keep the
> horizon in view -- either can be useful at times with RC flying.

Good point. I had though of (but not implemented) the "keep the aircraft
large enough" aspect but not the "keep horizon in view" one. Actually I
have just found your forum comment on this exact issue:
http://www.flightgear.org/forums/viewtopic.php?f=49&p=151251

I assume one would implement auto-zooming by adding nasal "update"
methods in view.nas. There is no existing support?

As I said, I have an initial implementation and I am happy to do some
more work, perhaps adding an auto-zoom function. What I would like to
know is whether this is likely to be adopted. If there is a feeling that
we have enough views, or that R/C is out of scope for FlightGear then
I'll probably just keep it as a local hack.

Regards,
Ian

-- 
Ian Dall <i...@beware.dropbear.id.au>


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