On 27-11-2017 12:34, Bald Eagle wrote:
> Sven Littkowski <I### [at] SvenLittkowskiname> wrote:
>> Thanks a lot!
>>
>> When i render your scene file, my result differs: I can see the lower
>> parts of the tower below the clouds much more, than in your scene image.
>> If the scene is the same, only the settings could be the cause.
>>
>> See here my settings:
>> Output_File_Type=n Quality=12 +ua
> 
> You have your alpha channel set to on - you just want a plain, straightforward
> render.
> 
> 3.2.4.1 Output File Type
> ....
> You may turn this option on with  Output_Alpha=on or +UA. The default is off or
> -UA.
> 
> ....
> The alpha channel stores a transparency value for each pixel, just like there is
> also stored a value for red green and blue light for each pixel. In POV-Ray,
> when the alpha channel is turned on, all areas of the image where the background
> is partly or fully visible will be partly or fully transparent. Refractions of
> the background will also be transparent, but not reflections. Also anti-aliasing
> is taken into account
> 
> 
> So turn it off.
> 

Indeed. No need for an alpha channel on. You rarely need that in 
everyday modelling.

-- 
Thomas

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