On 9-8-2018 8:07, Mike Horvath wrote:
> Here's a partial render.
> 
> I would like to make the edge of the sun a bit sharper, and also make 
> the sun smaller while keeping the haze generally the same. Here is the 
> sphere I use for this:
> 
> 
> /////////////////////////////////////////////////////////////////
> #declare RWorld_Corona_Radius            = 95000*4;
> #declare RWorld_Corona_Object = sphere
> {
>      0, RWorld_Corona_Radius
>      hollow
>      material
>      {
>          texture
>          {
>              pigment {rgbt 1}
>          }
>          interior
>          {
>              media
>              {
>                  scattering {1, RWorld_Light_Point_Color/2000}
>                  density
>                  {
>                      function {1/(x*x + y*y +
z*z)/RWorld_Corona_Radius}
>                      density_map
>                      {
>                          [0.0 rgb 0]
>                          [1.0 rgb 1]
>                      }
>                      scale RWorld_Corona_Radius
>                  }
>              }
>          }
>      }
> }
> /////////////////////////////////////////////////////////
> 
> 
> Any idea on how I can accomplish this?
> 
> 

I would suggest to play with the settings of the density_map. Not 
tested, but something like:

density_map {
   [0.00 rgb 0.0]
   [0.90 rgb 0.9]
   [0.90 rgb 1.0]
}


-- 
Thomas

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