Re: [Flightgear-devel] How I spend my spare time

2008-11-12 Thread gerard robin
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 fantastic! Wow- I

Re: [Flightgear-devel] How I spend my spare time

2008-11-12 Thread Heiko Schulz
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 FGFS a

Re: [Flightgear-devel] How I spend my spare time

2008-11-11 Thread Frederic Bouvier
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]

Re: [Flightgear-devel] How I spend my spare time

2008-11-11 Thread Syd
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 MB]

Re: [Flightgear-devel] How I spend my spare time

2008-10-04 Thread Ralf Gerlich
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

Re: [Flightgear-devel] How I spend my spare time

2008-10-04 Thread gerard robin
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. Coastline is a

Re: [Flightgear-devel] How I spend my spare time

2008-10-04 Thread Martin Spott
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

Re: [Flightgear-devel] How I spend my spare time

2008-10-04 Thread Frederic Bouvier
- 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 thought that

Re: [Flightgear-devel] How I spend my spare time

2008-10-04 Thread Ralf Gerlich
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

Re: [Flightgear-devel] How I spend my spare time

2008-10-04 Thread Frederic Bouvier
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 not far from

Re: [Flightgear-devel] How I spend my spare time

2008-10-04 Thread Ampere K.
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. I was

Re: [Flightgear-devel] How I spend my spare time

2008-10-04 Thread Frederic Bouvier
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 for several

Re: [Flightgear-devel] How I spend my spare time

2008-10-04 Thread Curtis Olson
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 like this, without

Re: [Flightgear-devel] How I spend my spare time

2008-10-03 Thread Frederic Bouvier
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'm not sure

Re: [Flightgear-devel] How I spend my spare time

2008-10-03 Thread Heiko Schulz
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 to

Re: [Flightgear-devel] How I spend my spare time

2008-10-03 Thread Frederic Bouvier
[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 Well,

Re: [Flightgear-devel] How I spend my spare time

2008-10-03 Thread Martin Spott
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,

Re: [Flightgear-devel] How I spend my spare time

2008-10-03 Thread Frederic Bouvier
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 its own

Re: [Flightgear-devel] How I spend my spare time

2008-10-03 Thread Martin Spott
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 the bottom of

Re: [Flightgear-devel] How I spend my spare time

2008-10-03 Thread Martin Spott
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 you know

Re: [Flightgear-devel] How I spend my spare time

2008-10-02 Thread gerard robin
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 that has

Re: [Flightgear-devel] How I spend my spare time

2008-10-02 Thread Martin Spott
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

Re: [Flightgear-devel] How I spend my spare time

2008-10-02 Thread Heiko Schulz
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 too? If

Re: [Flightgear-devel] How I spend my spare time

2008-10-02 Thread gerard robin
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. Coastline is a

Re: [Flightgear-devel] How I spend my spare time

2008-10-02 Thread Martin Spott
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. :)