I hope you all remember that there is already a 8.50 parser inside fg and code
to display airports in the MFD (with Bezier curves).
Regards,
-Fred
----- Mail original -----
> I've been using KATL to develop a 8.50 genapt parser for terragear.
> It has noticeable sloping in the runways (when you get close to the
> ground with the UFO). I would also like a 'worst case' location to
> test glPolygonOffset once I get that far.
> You can see some progress here:
> http://flightgear.org/forums/viewtopic.php?f=5&t=13240
> The last post was incorrect, I haven't run into the 64k ushort issue
> yet - it's just that the poly base that Curt refers to isn't
> generated correctly for the pavement polys yet.
> I plan on fixing that this weekend.
> On Fri, Sep 9, 2011 at 3:49 PM, HB-GRAL < flightg...@sablonier.ch >
> wrote:
> > Am 09.09.11 19:33, schrieb Curtis Olson:
>
> > > In addition, there is a fairly sophisticated (and I think cool)
> > > step where
>
> > > we fit a natural curved surface across the airport elevation and
> > > used the
>
> > > curved surface instead of raw SRTM points. This eliminates the
> > > "noise" in
>
> > > the raw data and gives the airport surface a natural looking
> > > slope
> > > and
>
> > > correct hills and valleys (in most cases.)
>
> > Hi Curt
>
> > Thank you very much taking time for this.
>
> > Now this is very interesting, a curved surface with a natural
> > looking
>
> > slope and correct hills. Can you point me to an example for this ?
> > I
>
> > guess my current examples like KSFO and EHAM etc. do only provide
> > really
>
> > flat areas. I did not see any small hills and valleys in FlightGear
>
> > unless I saw the some "artificial shaders" from Frederic Bouvier
>
> > Hm, indeed, for the moment I was only looking to the two
> > dimensional
>
> > triangles and saw that genapts (or terragear) is calculating some
> > small
>
> > areas and probably "unnecessary" triangles like here at KSFO
>
> > http://maptest.fgx.ch/screens/wired.png
>
> > There are also a lot of duplicate items, or it looks like in the
>
> > wire-frame view, but maybe this items are just very close to each
> > other ...
>
> > Anyway, how do you get the "natural" curved surface without height
> > data
>
> > ? How are you interpolating between points ? I will try to
> > understand
>
> > this. Of course, I should not be that lazy and should have a look
> > to
> > the
>
> > genapts or terragear code instead, right ;-)
>
> > Generally I see that I miss some points here with airport
> > generation
> > and
>
> > it is very different from generating shapes for a map.
>
> > Cheers, Yves
>
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Why Cloud-Based Security and Archiving Make Sense
Osterman Research conducted this study that outlines how and why cloud
computing security and archiving is rapidly being adopted across the IT
space for its ease of implementation, lower cost, and increased
reliability. Learn more. http://www.accelacomm.com/jaw/sfnl/114/51425301/
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