POV-Ray : Newsgroups : povray.documentation.inbuilt : Phantom macro Convert_Color() in docs : Re: Phantom macro Convert_Color() in docs Server Time
28 Jan 2022 12:13:46 EST (-0500)
  Re: Phantom macro Convert_Color() in docs  
From: James Holsenback
Date: 26 Feb 2014 04:16:08
Message: <530db0d8@news.povray.org>
On 02/25/2014 07:26 PM, Tor Olav Kristensen wrote:
> James Holsenback <nom### [at] nonecom> wrote:
>> On 02/25/2014 04:01 PM, James Holsenback wrote:
>>> On 02/25/2014 02:04 PM, Tor Olav Kristensen wrote:
>>>> James Holsenback <nom### [at] nonecom> wrote:
>>>>> On 02/24/2014 06:43 PM, Tor Olav Kristensen wrote:
>>>>>> "Tor Olav Kristensen" <tor### [at] TOBEREMOVEDgmailcom> wrote:
>>>>>>> James Holsenback <nom### [at] nonecom> wrote:
>>>>>>>> On 02/23/2014 10:44 AM, Cousin Ricky wrote:
>>>>>>>>> The documentation of colors.inc (section 3.4.9.1.3.2) describes a
>>>>>>>>> macro
>>>>>>>>> Convert_Color() which converts between various color systems.
>>>>>>>>> There is no such
>>>>>>>>> macro anywhere in the POV-Ray distribution.
>>>>>>>>>
>>>>>>>>> Also, the descriptions of the existing conversion macros do not
>>>>>>>>> say whether they
>>>>>>>>> return the converted parameter or the parameter is converted in
>>>>>>>>> place.  (It's
>>>>>>>>> the former.)
>>>>>>>>>
>>>>>>>>> POV-Ray versions: POV-Ray 3.7.0
>>>>>>>>> Operating system: openSUSE 13.1 GNU/Linux
>>>>>>>>> Hardware: Dell Inspiron 17R, Intel Core i7
>>>>>>>>
>>>>>>>> I'm guessing that it's been missing for some time now ...
>>>>>>>> colors.inc is
>>>>>>>> at revision 4 in perforce and I did "diff" on all previous versions
>>>>>>>> (back to 2001.7.21). I didn't see it! I'm going to wait on
>>>>>>>> removing it
>>>>>>>> from the docs ... to see if anyone else has any input on the
>>>>>>>> issue, as
>>>>>>>> I'm clueless on this one.
>>>>>>>
>>>>>>> Perhaps it is related to the macro that was mentioned in this post ?
>>>>>>>
>>>>>>>
http://news.povray.org/povray.binaries.images/message/%3Cchrishuff-D90D60.06530721112000%40news.povray.org%3E/#
> %3C
>>>>>>>
>>>> chr
>>>>>> is
>>>>>>> huff-D90D60.06530721112000%40news.povray.org%3E
>>>>>>>
>>>>>>> From: Chris Huff
>>>>>>> Subject: Re: Glow lights 2(~40K) - glowlits.jpeg (1/1)
>>>>>>> Date: 21 Nov 2000 10:29:59
>>>>>>> Message: <chrishuff-1127E8.05302121112000@news.povray.org>
>>>>>>
>>>>>> Sorry. I meant this one (in the same thread):
>>>>>>
>>>>>> From: Chris Huff
>>>>>> Subject: Re: Glow lights 2(~40K) - glowlits.jpeg (1/1)
>>>>>> Date: 21 Nov 2000 11:52:44
>>>>>> Message: <chrishuff-D90D60.06530721112000@news.povray.org>
>>>>>>
>>>>>> --
>>>>>> Tor Olav
>>>>>> http://subcube.com
>>>>>>
>>>>>>
>>>>>>
>>>>>
>>>>> Thanks ... if I'm reading correctly it is/was part of megapov and I
>>>>> should remove Convert_Color() from the docs
>>>>
>>>> The capitalization makes me suspect that this macro have been prepared
>>>> for the
>>>> official include files. And then, maybe, someone just forgot to
>>>> include it ;)
>>>>
>>>> --
>>>> Tor Olav
>>>> http://subcube.com
>>>
>>> did some digging and wasn't able to find where to download ... any help
>>> with locating would be appreciated, if not the I think removing from
>>> docs is the next best solution
>>>
>>
>> the deeper I dig the more it seems that it's a documentation anomaly. I
>> looked in perforce and found where it disappeared.
>>
>> I version 3.5 colors.inc had 7 revisions ... initial version 2/21/01
>> didn't have /ANY/ color macros but showed up in v2 when CHSL2RGB() and
>> it's kin, including Convert_Color() were added. In version 5
>> Convert_Color() was removed and hasn't been heard from since ... the
>> others remained.
>>
>> I'm going to remove it from the documentation.
>
> Ok.
>
> I found some more information in this thread:
>
> From: Marc-Hendrik Bremer
> Subject: Colors.inc-macros incomplete
> Date: 9 Sep 2001 16:21:29
>
> http://news.povray.org/povray.beta-test/thread/%3C3b9b9709%40news.povray.org%3E/
>
> But there is no explanation for why the Convert_Color macro is missing.

well maybe that's not necessary ... i should have mentioned that 
Convert_Color was an aborted attempt at a wrapper for all the other macros


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