POV-Ray : Newsgroups : povray.binaries.images : Granite_21 - the final macro : Re: Granite_21 - the final macro Server Time
18 Apr 2024 15:23:27 EDT (-0400)
  Re: Granite_21 - the final macro  
From: Thomas de Groot
Date: 16 Sep 2021 07:48:48
Message: <61432f20$1@news.povray.org>
Op 16-9-2021 om 12:28 schreef Bald Eagle:
> "Samuel B." <stb### [at] hotmailcom> wrote:
> 
>>> Nice little program indeed! Thanks. Wulff-nets, ha! That was not really
>>> my cup of tea... ;-)
>>
>> I don't even know a Wulff net is. But based on its appearance, I'm guessing it's
>> some sort of mapping between HKL indices and a sphere. Maybe it's a clue to help
>> me convert HKL values to planes...
>>
> 
>> It is a cool program, I just wish I could figure out my HKL issues so I can do
>> more with it. (My previous searches didn't turn up much useful info, or maybe I
>> wasn't comprehending what I saw...)
> 
> 
> Aren't the HKL values just the vector normals of the planes?
> That's what the wikipedia articles suggested on my brief skim.
> 
> Would not plane {y, 0} have an hkl index of <0,1,0>?
> 
> Not sure what the overall goal is, so not sure what to suggest to test this.
> 
If I remember correctly, that is indeed the case I believe.

-- 
Thomas


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