RE: Building Low Resolution Scenery
"Norman Vine" <[email protected]> Tue, 21 Sep 2004 03:31:04 -0400
| Newsgroups | gmane.games.flightgear.terragear.devel |
|---|---|
| Message-ID | <[email protected]> |
I don't know how much it will help but I notice that there is a new version of triangle out ""New features in Version 1.5 (released June 4, 2004). Meshes often have fewer triangles than in previous versions (triangles are split by inserting new vertices at Alper Ungor's "off-centers"). Miscellaneous bug fixes."" http://www-2.cs.cmu.edu/~quake/triangle.html Norman > -----Original Message----- > From: [email protected] > [mailto:[email protected]]On Behalf Of Dale E. > Edmons > Sent: Monday, September 20, 2004 9:19 PM > To: TerraGear developers discussions > Subject: [Terragear-devel] Building Low Resolution Scenery > > > Hi all, > > 1) I've been attempting to build a low resolution version of the > scenery. Fred of the FlightGear Scenery Designer project has helped > quite a bit, but I haven't been able to get the polygon count per tile > low enough. It appears the code will have to be tweeked to get the > count as low as I can get it (about 400 triangles per tile or less). > Any pointers on what modules and variables need changed will help. > > I've already used terrafit.py with low numbers, but after tgvpf is ran > the count goes back up--judging by resultant scenery. The lowest per > tile I've acheived is about 1100 for w130n40/w123n47/942682.btg.gz--this > is Seattle (KSEA) which has hills, lakes, rivers, and ocean and everything. > > I suspect if I eliminate roads, railroads, town, etc..., and just use > ocean, lakes, and default terrain, that I could do somewhat better. > > 2) The resulting scenery requires a reference system where y=north, > x=east, z=altitude, and the center point is primary airport for model > (KSEA in the above tile) {Curt alluded to such a transform a few days > ago in the fgfs-devel list}. > > Is there a specific transform that will achieve this or something > close? Would it be easier to apply these in TerraGear and rebuild? > > Any help will be greatly appreciated. > > Thanks. > > > Dale > > > > > _______________________________________________ > Terragear-devel mailing list > [email protected] > http://mail.flightgear.org/mailman/listinfo/terragear-devel > 2f585eeea02e2c79d7b1d8c4963bae2d > _______________________________________________ Terragear-devel mailing list [email protected] http://mail.flightgear.org/mailman/listinfo/terragear-devel 2f585eeea02e2c79d7b1d8c4963bae2d