Attached is a simple c++ program to get the bucket (tile id). It links
with SimGear so it is always right... SimGear handles loading the
scenery, so even if its wrong its right :0
On Sat, 2006-03-11 at 10:45 +1300, dene maxwell wrote:
> Hi Melchior,
>
> Thank you for the formula. I wrote a wrapper for it so that I can enter
> lat/long and get a tile ID. I have tested it for scenery that I have but
> given the numebr of conditional branches I don't feel confident that it is
> bullet proof. I found one difference in interpretation mathematical order
> when testing with KSFO!
>
> I am requesting assistance for testing the rest of it for scenery I don't
> have;
>
> NZWN S41* 19' 38" E174* 48' 19" -> e175s41/5803051.stg Checked
> OK
> YSSY S33* 56.8' E151* 10.6' -> e151s34/5426688.stg Checked
> OK
> KSFO N37* 37' 8.3" W122* 22' 29.6" -> w123n38/942049.stg Checked
> OK
>
> Quadrants not checked
> S/W Mexico/South America
> N/E Central and Eastern Europe/China/Japan
>
> Could people that have access to either world scenery or the areas detailed
> below check that a reference to the airport identifier appears in the text
> descriptor file listed.
>
> S/W
> SBGL Rio de Janerio S22* 48' 34" W43* 15' 00" ->
> w043s23/2232523.stg
> SBSP San Paulo S23* 37' 32" W46* 39' 21" ->
> w047s24/2183313.stg
>
> N/E
> Paris Charles de Gaulle N49* 0' 35" E2* 32' 52" ->
> e049n03/3757856.stg
>
>
> alternatively if you have the lat/long of an airport and you know the tile
> it appears in. The lat/long and tile ID would be appreciated.
>
> TIA
> Dene
>
>
> >From: Melchior FRANZ <[EMAIL PROTECTED]>
> >
> >* Thomas Frster -- Thursday 09 March 2006 20:32:
> > > Maybe there are scripts around (Melchior?) that also calculate tile id
> >for
> > > given lat/lon.
> >
> > scripts/perl/scenery/calc-tile.pl
> > http://members.aon.at/mfranz/flightgear/calctile.nas
> >
> >m.
> >
//g++ test.cpp -lsgbucket -lsgmisc -lsgprops -lsgstructure -lsgxml -lz -lsgdebug -oTest
#include <simgear/compiler.h>
#include <simgear/bucket/newbucket.hxx>
#include <simgear/misc/sg_path.hxx>
#include <iostream>
#include SG_GLUT_H
#include <plib/ssg.h>
using std::cout;
using std::cerr;
using std::endl;
/*
#include <iostream>
#include <stdio.h>
*/
int main(int argc, char *argv[])
{
double dlong=-111.89195, dlat=40.77037;
if(argc!=3)
{
cerr<<"Usage:\n"<<argv[0]<<" longitude latitude\n";
exit(1);
}
dlong=strtod(argv[1], NULL);
dlat=strtod(argv[2], NULL);
SGBucket myBucket;
myBucket.set_bucket( dlong, dlat);
//cout<<myBucket<<'\n';
cout<<myBucket.gen_base_path()<<"/"<<myBucket.gen_index()<<".stg\n";
}
