POV-Ray: Newsgroups: povray.text.scene-files: L*C*h(uv) functions: Re: L*C*h(uv) functions

POV-Ray : Newsgroups : povray.text.scene-files : LCh(uv) functions : Re: LCh(uv) functions		Server Time 29 Apr 2024 13:36:44 EDT (-0400)

From: clipka
Date: 22 Nov 2016 04:44:39
Message: <58341387$1@news.povray.org>

Am 22.11.2016 um 09:43 schrieb Mike Horvath:
> On 11/22/2016 3:31 AM, clipka wrote:
>>     min(
>>       convertLCH2RGB_R(y*200-100,sqrt(x*x+z*z)*100,atan2(x,z)*pi/180),
>>       convertLCH2RGB_G(y*200-100,sqrt(x*x+z*z)*100,atan2(x,z)*pi/180),
>>       convertLCH2RGB_B(y*200-100,sqrt(x*x+z*z)*100,atan2(x,z)*pi/180),
>>       1-convertLCH2RGB_R(y*200-100,sqrt(x*x+z*z)*100,atan2(x,z)*pi/180),
>>       1-convertLCH2RGB_G(y*200-100,sqrt(x*x+z*z)*100,atan2(x,z)*pi/180),
>>       1-convertLCH2RGB_B(y*200-100,sqrt(x*x+z*z)*100,atan2(x,z)*pi/180)
>>     )
> 
> I think the last parameter should be atan2(x,z)*180/pi because atan2
> returns radians and convertLCH2RGB_R expects degrees.

I guess you're right about this one.

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