On Sat, 2009-11-14 at 12:36 -0600, Curtis Olson wrote:
> On Sat, Nov 14, 2009 at 11:53 AM, Ron Jensen wrote:
> It would be a trivial patch to genapts to always generate
> leading zeros,
>
> however it appears that all US General Aviation airports don't
> use the
> leading zero, US Military bases are mixed, and Europe uses
> leading
> zeros. Looking thru apt.dat it appears all runway numbers
> have the
> leading zero so we can't use that data to algorithmically
> determine the
> format to use... So here's the patch to always generate
> leading zeros,
> but should it be applied everywhere?
>
> diff --git a/src/Airports/GenAirports/rwy_common.cxx
> b/src/Airports/GenAirports/rwy_common.cxx
> index c5aef04..17a2ff5 100644
> --- a/src/Airports/GenAirports/rwy_common.cxx
> +++ b/src/Airports/GenAirports/rwy_common.cxx
> @@ -52,7 +52,8 @@ void gen_number_block( const TGRunway&
> rwy_info,
> if ( num == 11 ) {
> sprintf( tex1, "11" );
> } else if ( num < 10 ) {
> - sprintf( tex1, "%dc", num );
> + sprintf( tex1, "%dl", 0 );
> + sprintf( tex2, "%dr", num );
> } else {
> sprintf( tex1, "%dl", num / 10 );
> sprintf( tex2, "%dr", num - (num / 10 * 10));
>
>
>
>
> I suppose we could use some heuristic such as:
>
> 4 character airport code that do not start with "K" or "P" use a
> leading zero, and all other airports omit the leading zero? We could
> setup the code logic to be extensible if we find other countries that
> also tend to omit the leading zero. That doesn't give us individual
> control over individual runways, but it might make things generally
> better than they are now?
>
>
> Curt.
I commented on the other European-ization thread (about precision
marking differences) that perhaps genapts should take a flag for
European or US style rendering?
Ron
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