POV-Ray : Newsgroups : povray.binaries.utilities : export blender's smoke Server Time
28 Feb 2024 06:35:53 EST (-0500)
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From: clipka
Subject: Re: export blender's smoke
Date: 21 Mar 2018 22:08:07
Message: <5ab31007@news.povray.org>
Am 20.03.2018 um 23:00 schrieb jr:
> hi,
> 
> On 20/03/2018 06:32, And wrote:
>> I have another question: I found the df3 file of the blender exporter is just
>> one byte depth data, (I know povray df3 has one byte or two bytes variation), is
>> there an option to two bytes data? I wish my data is more accurate. Thank you.
> 
> you could use the 'df3util' program to convert from 8-bit to 16-bit (or
> 32), posted in p.b.u on 27th July last year.  hth.

That's rather pointless - no conversion in the world can restore the
high-precision information that wasn't exported in the first place.


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From: jr
Subject: Re: export blender's smoke
Date: 22 Mar 2018 13:04:38
Message: <5ab3e226$1@news.povray.org>
hi,

On 22/03/2018 02:08, clipka wrote:
>>> I have another question: I found the df3 file of the blender exporter is just
>>> one byte depth data, (I know povray df3 has one byte or two bytes variation), is
>>> there an option to two bytes data? I wish my data is more accurate. Thank you.
>>
>> you could use the 'df3util' program to convert from 8-bit to 16-bit (or
>> 32), posted in p.b.u on 27th July last year.  hth.
> 
> That's rather pointless - no conversion in the world can restore the
> high-precision information that wasn't exported in the first place.

superficially yes, but depends on the exact structure of the project +
data, of which I know nothing.  but, where there's a will etc.  if the
data can be created as a set of "ranged" 8-bit df3s, for instance, it
can easily be "assembled" into a a single df3 with full 16-bit range
(recoding data as needed).

regards, jr.


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