"You may turn this option on with Output_Alpha=on or +UA. The default is off
or -UA."
I don't understand where I have to activate it.
=====================================
background { White }
  camera {location <170, -11, -110>look_at  <180, -15, -16>}
  light_source { <170, -30, -100> color White}
=====================================
I'm sorry.


news:41230fdb@news.povray.org...
> Oleguer Vilella <ole### [at] infonegociocom> wrote:
> > I have a white background "background { color White }" I want to make it
> > transparent
>
>   Transparent background is not specified in the scene file but in
> the command-line options, using the option +ua (ie. "use alpha").
> This can be written in the command-line text field in the windows
> version or a proper .ini file (or if you are using a command-line
> version of POV-Ray, then of course right in the command line).
>
>   Note that in order for POV-Ray to be able to save the alpha channel
> to the image file, you have to use a format which supports alpha channel,
> such as for example PNG.
>
> -- 
> #macro M(A,N,D,L)plane{-z,-9pigment{mandel L*9translate N color_map{[0rgb
x]
> [1rgb 9]}scale<D,D*3D>*1e3}rotate y*A*8}#end M(-3<1.206434.28623>70,7)M(
> -1<.7438.1795>1,20)M(1<.77595.13699>30,20)M(3<.75923.07145>80,99)// -
Warp -

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