Re: [Flightgear-devel] Problems found in world scenery and SGBucket class

2008-01-07 Thread Ralf Gerlich
Hi! LeeE wrote: I think I mentioned earlier, but first problem - there's no SRTM data for the poles. Second problem is that calculations that assume a quad (trapezoidal) area fail at the poles because they have to deal with a tri area and not a quad area. The problem is not that tiles

Re: [Flightgear-devel] Problems found in world scenery and SGBucket class

2008-01-06 Thread Ralf Gerlich
Hi Christian! Christian Buchner wrote: I found another slight discrepancy when converting back each tile's geodetic center coordinate to a bucket - this function might be slightly buggy: In a few cases it returns a different bucket number than given by the original file name of the tile. I

Re: [Flightgear-devel] Problems found in world scenery and SGBucket class

2008-01-06 Thread Ralf Gerlich
Hi again! Ralf Gerlich wrote: This has to do mostly with the special cases introduced for rounding (regarding SG_EPSILON) and for covering the difference between (int) cast rounding towards zero and the desired behaviour more similar to a floor(). The problem only occurs for latitudes north

Re: [Flightgear-devel] Problems found in world scenery and SGBucket class

2008-01-06 Thread LeeE
On Sunday 06 January 2008 21:05, Ralf Gerlich wrote: Hi again! Ralf Gerlich wrote: This has to do mostly with the special cases introduced for rounding (regarding SG_EPSILON) and for covering the difference between (int) cast rounding towards zero and the desired behaviour more similar

[Flightgear-devel] Problems found in world scenery and SGBucket class

2007-12-11 Thread Christian Buchner
Hi, In my scenery compression effort (which tries to ship the world scenery on a single DVD) I've hit some minor snags. I know you guys are busy preparing the 1.0 release, but nevertheless I would like to put this on the record to be addressed later on: I found a few zero length .btg.gz scenery