Hi,
in case someone care, here is what I am doing for about a year :
http://frbouvi.free.fr/flightsim/yafseng_2.avi [Xvid, 7.698kb]
This is very preliminary stuff and sources are not published yet. The
data come from Blue Marble NG that has a resolution of 15 arc-seconds.
It is an OSG program an
On jeudi 02 octobre 2008, Frederic Bouvier wrote:
> Hi,
>
> in case someone care, here is what I am doing for about a year :
> http://frbouvi.free.fr/flightsim/yafseng_2.avi [Xvid, 7.698kb]
>
> This is very preliminary stuff and sources are not published yet. The
> data come from Blue Marble NG tha
gerard robin wrote:
> I only wonder about the srtm4 quality, we hope that details are right, for
> instance the sea coastline and other water coastline.
Au contraire SRTM is about ground elevation. Coastline is a
different topic and experience has shown that all these nice attempts
to auto
>
> Au contraire SRTM is about ground elevation.
> Coastline is a
> different topic and experience has shown that all these
> nice attempts
> to automagically derive coastlines from imagery, be it SWBD
> or PGS,
> return pretty flaky results. Unfortunately
>
Ground elevation in sea to
On jeudi 02 octobre 2008, Martin Spott wrote:
> gerard robin wrote:
> > I only wonder about the srtm4 quality, we hope that details are right,
> > for instance the sea coastline and other water coastline.
>
> Au contraire
:) :) :) in frenchthanks
> SRTM is about ground elevation. Coastli
On Thu, 2 Oct 2008 16:32:51 + (GMT), Heiko wrote in message
<[EMAIL PROTECTED]>:
>
> >
> > Au contraire SRTM is about ground elevation.
> > Coastline is a
> > different topic and experience has shown that all these
> > nice attempts
> > to automagically derive coastlines from imagery,
Ok, apparently my response got lost - again so, here's my second
attempt:
gerard robin wrote:
> Well, i thought that costline was calculated with the intersection of the
> sea level (or water level) and the ground altitude.
> I was wrong, my imagination was (is) out of reality. :)
Hi Martin,
Martin Spott a écrit :
> Hi Frederic,
>
> you wrote:
>
> > in case someone care, here is what I am doing for about a year :
> > http://frbouvi.free.fr/flightsim/yafseng_2.avi [Xvid, 7.698kb]
>
> Do you plan/intend to compete with ossimPlanet here or do you have a
> different aim ? I'
Hi,
>
> srtm4 is a height field. there is a special value for sea
> level, but
> that's all. From what I understand of the problem with
> current scenery,
> it is less a data problem than a bug in the triangulator.
> Having worked
> on fgsd for several years, I know that these issues are
> tough t
[resending again]
- gerard robin a écrit :
> > SRTM is about ground elevation. Coastline is a
> > different topic and experience has shown that all these nice attempts
> > to automagically derive coastlines from imagery, be it SWBD or PGS,
> > return pretty flaky results. Unfortunately
>
Frederic Bouvier wrote:
> The algorithm I am trying to implement doesn't use triangle to define
> landuse. Instead, the earth surface is divided into squares of different
> size ( there are currently 16 lod, there will be 20 with srtm ), and each
> square has its own texture. The mesh is a regular
[resending...]
Hi Gérard,
- gerard robin a écrit :
> On jeudi 02 octobre 2008, Frederic Bouvier wrote:
> > Hi,
> >
> > in case someone care, here is what I am doing for about a year :
> > http://frbouvi.free.fr/flightsim/yafseng_2.avi [Xvid, 7.698kb]
>
> Nice result,
> as far i understand the
Martin Spott a écrit :
> Frederic Bouvier wrote:
>
> > The algorithm I am trying to implement doesn't use triangle to
> define
> > landuse. Instead, the earth surface is divided into squares of
> different
> > size ( there are currently 16 lod, there will be 20 with srtm ), and
> each
> > square
Martin Spott a écrit :
>
> Frederic Bouvier wrote:
>
> > The algorithm I am trying to implement doesn't use triangle to
> > define landuse. Instead, the earth surface is divided into
> > squares of different size ( there are currently 16 lod,
> > there will be 20 with srtm ), and each square has
Hi Frederic,
Frederic Bouvier wrote:
> Martin Spott a ??crit :
> > This reminds me of the tiling scheme as mentioned here - which
> > apparently has proven to be quite successful:
> >
> > http://lists.eogeo.org/pipermail/tiling/2006-September/52.html
> >
> > Don't miss the attachment at th
Frederic Bouvier wrote:
> Martin Spott a ??crit :
> > http://lists.eogeo.org/pipermail/tiling/2006-September/52.html
> >
> > Don't miss the attachment at the bottom of the page,
>
> It appears that I implemented a mapping like this, without knowing the
> existence of this document.
Did y
Hi!
Heiko Schulz wrote:
> Ground elevation in sea too? If yes so we could add the sea itself as
> a planar surface with all features possible, and Arnt Karlsen would
> have his tides and the outcome of the global warming! :-P
I don't know about SRTM4, but I suspect that no new measurements have
b
On jeudi 02 octobre 2008, Martin Spott wrote:
> gerard robin wrote:
> > I only wonder about the srtm4 quality, we hope that details are right,
> > for instance the sea coastline and other water coastline.
>
> Au contraire
:) :) :) in frenchthanks
> SRTM is about ground elevation. Coastli
Gerard,
gerard robin wrote:
> Well, i thought that costline was calculated with the intersection of the
> sea level (or water level) and the ground altitude.
> I was wrong, my imagination was (is) out of reality. :)
No you're correct. The point is: Automagically calculating the
intersec
- gerard robin a écrit :
> > SRTM is about ground elevation. Coastline is a
> > different topic and experience has shown that all these nice attempts
> > to automagically derive coastlines from imagery, be it SWBD or PGS,
> > return pretty flaky results. Unfortunately
>
> Well, i thoug
Hi Gerard!
gerard robin wrote:
> Well, i thought that costline was calculated with the intersection of the
> sea level (or water level) and the ground altitude.
> I was wrong, my imagination was (is) out of reality. :)
Actually, it is the other way around, IIRC (Martin, correct me if I'm
Hi Gérard,
- gerard robin a écrit :
> On jeudi 02 octobre 2008, Frederic Bouvier wrote:
> > Hi,
> >
> > in case someone care, here is what I am doing for about a year :
> > http://frbouvi.free.fr/flightsim/yafseng_2.avi [Xvid, 7.698kb]
>
> Nice result,
> as far i understand the "lat lon" is
On October 2, 2008 04:05:04 pm Martin Spott wrote:
> Ok, apparently my response got lost - again so, here's my second
> attempt:
>
> gerard robin wrote:
> > Well, i thought that costline was calculated with the intersection of
> > the sea level (or water level) and the ground altitude.
> >
Hi Heiko,
- Heiko Schulz a écrit :
> Hi,
> >
> > srtm4 is a height field. there is a special value for sea
> > level, but
> > that's all. From what I understand of the problem with
> > current scenery,
> > it is less a data problem than a bug in the triangulator.
> > Having worked
> > on fgsd
On Fri, Oct 3, 2008 at 5:41 PM, Martin Spott wrote:
> Frederic Bouvier wrote:
> > Martin Spott a ??crit :
>
> > > http://lists.eogeo.org/pipermail/tiling/2006-September/52.html
> > >
> > > Don't miss the attachment at the bottom of the page,
> >
> > It appears that I implemented a mapping li
Curtis Olson a écrit :
> Fred, your demo movies look really interesting. I'm looking forward
> to continued great results!
Here are two new movies of my current progress. Shader programming inside :
http://frbouvi.free.fr/flightsim/yafseng_6.avi [9.23 MB]
http://frbouvi.free.fr/flightsim/yafseng_
Frederic Bouvier wrote:
> Curtis Olson a écrit :
>
>> Fred, your demo movies look really interesting. I'm looking forward
>> to continued great results!
>>
> Here are two new movies of my current progress. Shader programming inside :
>
> http://frbouvi.free.fr/flightsim/yafseng_6.avi [9.23
On mercredi 12 novembre 2008, Heiko Schulz wrote:
> > Here are two new movies of my current progress. Shader
> > programming inside :
> >
> > http://frbouvi.free.fr/flightsim/yafseng_6.avi [9.23 MB]
> > http://frbouvi.free.fr/flightsim/yafseng_7.avi [11.55 MB]
> >
> > -Fred
>
> Mon dieu! C'est fant
> Here are two new movies of my current progress. Shader
> programming inside :
>
> http://frbouvi.free.fr/flightsim/yafseng_6.avi [9.23 MB]
> http://frbouvi.free.fr/flightsim/yafseng_7.avi [11.55 MB]
>
> -Fred
>
Mon dieu! C'est fantastic!
Wow- I like the sunset really much- that would make F
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