Talk:Color presets - Revision history

Raffriff42: Category:Talk

2015-12-14T01:02:36Z

Category:Talk

← Older revision		Revision as of 03:02, 14 December 2015
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			[[Category:Talk]]
	@Raffriff42,		@Raffriff42,

Raffriff42: reply

2014-08-22T06:32:55Z

← Older revision		Revision as of 08:32, 22 August 2014
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	::::The hue and saturation values you give are a YCbCr concept while the color presets are given as RGB. I suggest you add the HSV and HSL values instead. That will be more useful to people. [[User:Admin\|Admin]] 23:18, 21 August 2014 (CEST)		::::The hue and saturation values you give are a YCbCr concept while the color presets are given as RGB. I suggest you add the HSV and HSL values instead. That will be more useful to people. [[User:Admin\|Admin]] 23:18, 21 August 2014 (CEST)

			:::::I have made the requested changes. [[User:Raffriff42\|Raffriff42]] 08:32, 22 August 2014 (CEST)

Admin: added reply

2014-08-21T21:18:03Z

added reply

← Older revision		Revision as of 23:18, 21 August 2014
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	:::Added a boxed note. What do you think? [[User:Raffriff42\|Raffriff42]] 19:57, 19 August 2014 (CEST)		:::Added a boxed note. What do you think? [[User:Raffriff42\|Raffriff42]] 19:57, 19 August 2014 (CEST)

			::::The hue and saturation values you give are a YCbCr concept while the color presets are given as RGB. I suggest you add the HSV and HSL values instead. That will be more useful to people. [[User:Admin\|Admin]] 23:18, 21 August 2014 (CEST)

Raffriff42: reply

2014-08-19T17:57:55Z

← Older revision		Revision as of 19:57, 19 August 2014
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	::The values you posted stand for hue, saturation and luma derived of the YCbCr colorspace (you should have converted to yv24 instead). I suggest you name it (HSL)_ycbcr or something like that. Since the colorpresets are given in rgb values it would make more sense to include (HSL)_rgb instead. [[User:Admin\|Admin]] 16:04, 19 August 2014 (CEST)		::The values you posted stand for hue, saturation and luma derived of the YCbCr colorspace (you should have converted to yv24 instead). I suggest you name it (HSL)_ycbcr or something like that. Since the colorpresets are given in rgb values it would make more sense to include (HSL)_rgb instead. [[User:Admin\|Admin]] 16:04, 19 August 2014 (CEST)

			:::Added a boxed note. What do you think? [[User:Raffriff42\|Raffriff42]] 19:57, 19 August 2014 (CEST)

Admin at 14:05, 19 August 2014

2014-08-19T14:05:48Z

← Older revision		Revision as of 16:05, 19 August 2014
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	:My complete script is posted here: [https://dl.dropboxusercontent.com/u/108089426/Code/avisynth-Colors%7E2.avs] [[User:Raffriff42\|Raffriff42]] 15:31, 19 August 2014 (CEST)		:My complete script is posted here: [https://dl.dropboxusercontent.com/u/108089426/Code/avisynth-Colors%7E2.avs] [[User:Raffriff42\|Raffriff42]] 15:31, 19 August 2014 (CEST)

	::The values you posted stand for hue, saturation and luma derived of the YCbCr colorspace. I suggest you name it (HSL)_ycbcr or something like that. Since the colorpresets are given in rgb values it would make more sense to include (HSL)_rgb instead. [[User:Admin\|Admin]] 16:04, 19 August 2014 (CEST)		::The values you posted stand for hue, saturation and luma derived of the YCbCr colorspace (you should have converted to yv24 instead). I suggest you name it (HSL)_ycbcr or something like that. Since the colorpresets are given in rgb values it would make more sense to include (HSL)_rgb instead. [[User:Admin\|Admin]] 16:04, 19 August 2014 (CEST)

Admin at 14:04, 19 August 2014

2014-08-19T14:04:51Z

← Older revision		Revision as of 16:04, 19 August 2014
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	:My complete script is posted here: [https://dl.dropboxusercontent.com/u/108089426/Code/avisynth-Colors%7E2.avs] [[User:Raffriff42\|Raffriff42]] 15:31, 19 August 2014 (CEST)		:My complete script is posted here: [https://dl.dropboxusercontent.com/u/108089426/Code/avisynth-Colors%7E2.avs] [[User:Raffriff42\|Raffriff42]] 15:31, 19 August 2014 (CEST)

	::~~The values you posted have nothing to do with the color model HSL.~~ The values you posted stand for hue, saturation and luma derived of the YCbCr colorspace. I suggest you name it (HSL)_ycbcr or something like that. Since the colorpresets are given in rgb values it would make more sense to include (HSL)_rgb instead. [[User:Admin\|Admin]] 16:04, 19 August 2014 (CEST)		::The values you posted stand for hue, saturation and luma derived of the YCbCr colorspace. I suggest you name it (HSL)_ycbcr or something like that. Since the colorpresets are given in rgb values it would make more sense to include (HSL)_rgb instead. [[User:Admin\|Admin]] 16:04, 19 August 2014 (CEST)

Admin at 14:04, 19 August 2014

2014-08-19T14:04:25Z

← Older revision		Revision as of 16:04, 19 August 2014
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	:My complete script is posted here: [https://dl.dropboxusercontent.com/u/108089426/Code/avisynth-Colors%7E2.avs] [[User:Raffriff42\|Raffriff42]] 15:31, 19 August 2014 (CEST)		:My complete script is posted here: [https://dl.dropboxusercontent.com/u/108089426/Code/avisynth-Colors%7E2.avs] [[User:Raffriff42\|Raffriff42]] 15:31, 19 August 2014 (CEST)

			::The values you posted have nothing to do with the color model HSL. The values you posted stand for hue, saturation and luma derived of the YCbCr colorspace. I suggest you name it (HSL)_ycbcr or something like that. Since the colorpresets are given in rgb values it would make more sense to include (HSL)_rgb instead. [[User:Admin\|Admin]] 16:04, 19 August 2014 (CEST)

Raffriff42: reply and post source code

2014-08-19T13:31:42Z

reply and post source code

← Older revision		Revision as of 15:31, 19 August 2014
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	Also you should add an appropriate reference for this. [[User:Admin\|Admin]] 00:18, 19 August 2014 (CEST)		Also you should add an appropriate reference for this. [[User:Admin\|Admin]] 00:18, 19 August 2014 (CEST)

			:Sure thing, I created RGB '''BlankClip'''s with the values from '''colors_rgb.avsi''', converted to YV12 with matrix="PC.601", and calculated hue as

			::[http://forum.doom9.org/showthread.php?p=1670625#post1670625 atan2](VPlaneMedian-128, UPlaneMedian-128)*180/PI + 360) % 360

			:My complete script is posted here: [https://dl.dropboxusercontent.com/u/108089426/Code/avisynth-Colors%7E2.avs] [[User:Raffriff42\|Raffriff42]] 15:31, 19 August 2014 (CEST)

Admin: Raffriff42 please read

2014-08-18T22:19:49Z

Raffriff42 please read

← Older revision		Revision as of 00:19, 19 August 2014
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	I suggest you use those. Example (color_blueviolet):		I suggest you use those. Example (color_blueviolet):

	R = 138		R = 138 <br>
	G = 043		G = 043 <br>
	B = 226		B = 226 <br>
	M = max(R,G,B) = 226		M = max(R,G,B) = 226 <br>
	m = min(R,G,B) = 43		m = min(R,G,B) = 43 <br>
	C = M - m = 183		C = M - m = 183 <br>
	B = M => H = 60(4+(R-G)/C) = 60(4+(138-43)/183) = 271.15		B = M => H = 60(4+(R-G)/C) = 60(4+(138-43)/183) = 271.15 <br>
	L = (M+m)/2 = 134.5		L = (M+m)/2 = 134.5 <br>
	S = C/(255-\|2L-255\|) = 183/(255-\|2134.5-255\|) = 0.76		S = C/(255-\|2L-255\|) = 183/(255-\|2134.5-255\|) = 0.76 <br>

	Also you should add an appropriate reference for this. [[User:Admin\|Admin]] 00:18, 19 August 2014 (CEST)		Also you should add an appropriate reference for this. [[User:Admin\|Admin]] 00:18, 19 August 2014 (CEST)

Admin: Raffriff42 please read

2014-08-18T22:18:58Z

Raffriff42 please read

← Older revision		Revision as of 00:18, 19 August 2014
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	I don't know what formula's you used to calculated the HSL values but they seem to be wrong.		I don't know what formula's you used to calculated the HSL values but they seem to be wrong.
	[http://en.wikipedia.org/wiki/HSL_and_HSV Wikipedia] contains the formula's where 0<=H<360.0, 0<=S<=1 and 0<=L<=255.		[http://en.wikipedia.org/wiki/HSL_and_HSV Wikipedia] contains the formula's where 0<=H<360.0, 0<=S<=1 and 0<=L<=255.
	I suggest you use those. Example:		I suggest you use those. Example (color_blueviolet):

	R = 138		R = 138
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	L = (M+m)/2 = 134.5		L = (M+m)/2 = 134.5
	S = C/(255-\|2L-255\|) = 183/(255-\|2134.5-255\|) = 0.76		S = C/(255-\|2L-255\|) = 183/(255-\|2134.5-255\|) = 0.76

			Also you should add an appropriate reference for this. [[User:Admin\|Admin]] 00:18, 19 August 2014 (CEST)