Le 13/03/2015 23:33, Leroy a écrit :
> I've got
>  Micrsoft Windows XP
>  Home Edition
>  Version 2002
>  Service Pack 2
>  Intel(R) Pentium(R) Dual CPU
>   E2160 @ 1.80GHz
>  1.79Ghz, 0.99 GB of RAM
> 
> Pov version 3.7.0Rc7.msvc10-sse2.win32
> 
> I've tried putting it in the ini like the docs say.
> I've put in the the comand line option windows has.
> I even change the version to 3.6 and put 'hf_gray_16 in global_settings.
> I haven't try to output to a file (there's no point if you can't display
> it).
> Any Ideals?

As stated in the doc: hg_gray_16 is deprecated, and no more effective
with 3.7 (even in compatibility mode).

http://wiki.povray.org/content/Reference:Global_Settings

Grayscale_Output need a png or ppm output format.

I would concede that despite the documentation, the preview is not
greyscale (at least on my linux). But the output image is greyscale, and
16 bits.

gray.ini
********
Grayscale_output=true



gray.pov
********
#version 3.7
global_settings { assumed_gamma 1.0 }

camera { location <0,0,-100>
up y
direction z
right image_width/image_height*x
}

sphere { 0, 30 texture { pigment { color red 1 } finish { emission 0.5 } } }
light_source { <40,-30,-20>*20, 1 }



Command-line
************
povray gray.ini -Igray.pov

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