POV-Ray : Newsgroups : povray.general : Bits_per_color Server Time
25 Nov 2024 23:47:00 EST (-0500)
  Bits_per_color (Message 1 to 3 of 3)  
From: Di 
Subject: Bits_per_color
Date: 14 Aug 2012 07:00:00
Message: <web.502a2f4cbe6a604fd79744a0@news.povray.org>
Hello Guys,

I am using POV3.7. I am trying to display a bitmap file with 1 bitdepth, so i
write the Command "Bits_per_color=1" in the "povray.ini". But it doesen't work,
and still shows the bitdepth = 24.

Does anybody known how can i solve this problem?

Any help would be greatly appreciated.

Thank you very much in advance.

best regards,

Di


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From: clipka
Subject: Re: Bits_per_color
Date: 14 Aug 2012 08:57:54
Message: <502a4b52$1@news.povray.org>
Am 14.08.2012 12:58, schrieb Di:
> Hello Guys,
>
> I am using POV3.7. I am trying to display a bitmap file with 1 bitdepth, so i
> write the Command "Bits_per_color=1" in the "povray.ini". But it doesen't work,
> and still shows the bitdepth = 24.
>
> Does anybody known how can i solve this problem?

POV-Ray is comparatively limited in the combinations of bit depth and 
file formats it supports. The Bits_per_color setting is primarily there 
to allow >8 bits per color channel, or reduce the number of different 
colors to obtain higher compression rates (e.g. for PNG files).

Also note that Bits_per_color sets the number of bits per color channel 
(per pixel), not the total bits per pixel, so even a setting of 1 could 
only give you an RGB 3-bit-per-pixel file, rather than the 
1-bit-per-pixel format you're probably aiming for.

You'll need an external image manipulation tool to convert to a true B/W 
bitmap.


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From: clipka
Subject: Re: Bits_per_color
Date: 14 Aug 2012 09:07:51
Message: <502a4da7@news.povray.org>
Am 14.08.2012 14:57, schrieb clipka:

> POV-Ray is comparatively limited in the combinations of bit depth and
> file formats it supports. The Bits_per_color setting is primarily there
> to allow >8 bits per color channel,

Make that "to /choose/ >8 bits per color channel [provided the file 
format supports it]".


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