Hi Vassilii,

it is indeed an debugging artifact. At least the "using namespace std" is.
The rest was existing code. I'll see what I can change.
As for the vector math, I didn't change any of that and this is all from 
the original implementation.
And I don't really want to fuzz with that.

Mark

Vassilii Khachaturov wrote:
>> http://www.akermann.org/fgfs/simgear-sun.tar.gz
>>     
> The chunk
> @@ -109,6 +109,7 @@ void SGSky::build( double h_radius_m, do
>  // 180 degrees = darkest midnight
>  bool SGSky::repaint( const SGSkyColor &sc )
>  {
> +       using namespace std;
>      if ( effective_visibility > 1000.0 ) {
>         enable();
>         dome->repaint( sc.sky_color, sc.fog_color, sc.sun_angle,
> seems a debugging artifact to me.
>
> In "oursun.cxx" the constants (such as sqrt_m_log01) should probably be
> declared as const. Per-coordinate vector calculations there could be
> made to use the sg facilities of plib, but AFAIU it wouldn't change
> much except for shorten the code a tiny bit. It's pretty readable as it is
> anyhow, and fits in very nicely. Also, a patch to "Thanks" is due along
> with the commit, to mention yourself :)
>
> Thank you very much!!!
>
> Vassilii
>
>
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