On Sat, 30 Aug 2003 16:50:10 -0400, "Norman Vine" <[EMAIL PROTECTED]> wrote in message <[EMAIL PROTECTED]>:
> Arnt Karlsen writes: > > Curtis L. Olson writes: > > > Alex Romosan writes: > > > > "Frederic Bouvier" <[EMAIL PROTECTED]> writes: > > > > > > > > > I am playing with SRTM-1 too. I started terrafit with > > > > > --error=2 and --maxnodes=2000 ( after the patch to terrafit.py > > > > > ) and I must say it is very impressive to see in action. > > > > > > > > > > But I found glitches that are quite obvious, and that do not > > > > > appear in the scenery made by Alex Romosan ( certainly with > > > > > default options, before the patch ) : it seems that the > > > > > buildings are buried in the terrain, with small pikes. > > > > > > > > i never ran terrafit. i just followed the instructions at > > > > http://www.terragear.org/docs/scenery-tutorial/fg-scenery-tutorial.html > > > > what does terrafit do? do i need to run it before generating the > > > > scenery? > > > > > > Look at Prep/TerraFit/terrafit.py > > > > > > It will take the specified tree of .arr files and generate a .fit > > > file for each of them. > > > > > > It uses an algorithm that is at least a couple orders of magnitude > > > more intelligent than what I came up with years ago when I first > > > started the terragear tools. Essentially this means significantly > > > better terrain approximations, with significantly fewer points > > > which is a win-win-win-uhhh-win. > > > > ..this means the resulting terrain points are _calculated_ and not > > the original _observations_ collected by instruments, fotos etc? > > (I ask to try help document future scenery generation decisions, > > calculated scenery details mistaken for observed terrain features, > > or vice versa, will introduce errors in future sceneries.) > > No it means that It 'selectively' uses some of the original points > > See "Fast Polygonal Approximation of Terrains and Height Fields" > linked from > http://graphics.cs.uiuc.edu/~garland/CMU/scape/ ..willco, after I get those next 3 boxes out the door. -- ..med vennlig hilsen = with Kind Regards from Arnt... ;-) ...with a number of polar bear hunters in his ancestry... Scenarios always come in sets of three: best case, worst case, and just in case. _______________________________________________ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel
