File:Linear visible spectrum.svg

呢個「SVG」檔案嘅呢個「PNG」預覽嘅大細：605 × 115 像素。第啲解像度：320 × 61 像素｜640 × 122 像素｜1,024 × 195 像素｜1,280 × 243 像素｜2,560 × 487 像素。

原本檔案 ‎（SVG檔案，表面大細： 605 × 115 像素，檔案大細：11 KB）

呢個檔案係出自維基同享。下面係佢喺嗰邊嘅描述。
Commons 收集自由嘅媒體檔案。你可以去幫手。

摘要

描述Linear visible spectrum.svg	English: A linear representation of the visible light spectrum. Colour ranges were taken from 'CRC Handbook of Fundamental Spectroscopic Correlation Charts' (see w:Visible spectrum). Spectral XYZ locus coordinates were found here. Every 10nm, the spectral locus point was used as the initial point in a search for a matching sRGB colour (assuming "Dim" viewing condition). The search was carried out by a binary search along a line in CIECAM02 JCh space between the spectral point, and a point with 0.3 * brightness (J), 0 chroma (C), and the same hue (h) as the spectral point. The search finished when a point was found that was in sRGB space. The CAT02 matrix was modified as suggested in Brill(2008) to reduce yellow-blue problems by replacing the bottom row (0.0030, 0.0136, 0.9834) with (0,0,1). An iterative smoothing was carried out to eliminate the largest jumps in chroma (greater than 5% change). Code used to generate the colour gradient can be found here. Esperanto: Koloroj videblaj Nederlands: Kleurenspectrum 中文（简体）：软件模拟的可见光谱。中文（繁體）：軟體模擬的可見光譜。
日期	2008年8月27號
來源	自己作品
作者	Gringer
Other versions	Derivative works of this file: Linear Spectrum Marathi.svg Spectre visible lineaire en longueur d onde.png Linear visible spectrum sl.svg Inverse version of this image (linear by frequency in THz) Logarithmic version of this image (logarithmic by wavelength in nm) PNG version that this file was originally based on.

協議

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Quality image

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檔案歷史

撳個日期／時間去睇響嗰個時間出現過嘅檔案。

	日期／時間	尺寸	用戶	註解
現時	2023年9月26號 (二) 07:28	605 × 115（11 KB）	Tyroxin	Fixed line of 450 nm touching the box
	2021年5月25號 (二) 13:19	605 × 115（6 KB）	Gringer	Added back stop ids (these have semantic meaning) and minimal indentation
	2020年6月16號 (二) 08:22	605 × 115（4 KB）	Jarvisa	Simplified SVG source
	2010年8月5號 (四) 05:28	605 × 115（18 KB）	Gringer	10-step iterative chroma smoothing, slightly brighter grey point
	2010年8月4號 (三) 15:34	605 × 115（18 KB）	Gringer	Smoothing applied to largest reduction in saturation (blue to cyan)
	2010年8月4號 (三) 14:40	605 × 115（18 KB）	Gringer	Only using one adaptation matrix, finer resolution at blue clip point
	2010年8月3號 (二) 13:12	605 × 115（18 KB）	Gringer	using Chroma-based cartesian coordinates for search
	2010年8月3號 (二) 12:44	605 × 115（18 KB）	Gringer	Modified MH matrix slightly based on [http://www3.interscience.wiley.com/journal/112396194/abstract this]
	2010年8月3號 (二) 11:51	605 × 115（18 KB）	Gringer	whoops, that was an older version
	2010年8月3號 (二) 11:43	605 × 115（13 KB）	Gringer	slightly different MCAT02 matrix, different binary search algorithm