ColorThink Pro - Spectral Data

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Question:

What kind of format should I use when I'm trying to open my own light spectral measurement into ColorThink?

Answer:

The standard .txt format that Gretag Macbeth uses will work. If you have ProfileMaker installed (a free download from Xrite/GretagMacbeth) you can find the spectral measurements of their light sources here: ProfileMaker 5.x.x application folder, Measurement files, Light Sources.

Here's an example of the format from Light box GTI D50.txt


Date: 1/24/2001 Time: 15:50

ILLUMINATION_NAME "Emission"

BEGIN_DATA_FORMAT

SampleName nm380	nm390	nm400	nm410	nm420	nm430  nm440	  nm450	nm460	nm470	nm480	nm490	nm500	nm510	nm520	nm530	nm540	nm550	nm560	nm570	nm580	nm590	nm600	nm610	nm620	nm630	nm640	nm650	nm660	nm670	nm680	nm690	nm700	nm710	nm720	nm730

END_DATA_FORMAT

BEGIN_DATA

Light_box_GTI_D50	3.257189	   6.165859	 19.269892	21.802994	16.533678	39.975159	57.056049	30.274649	30.155033	32.977394	35.03986	36.617123	37.617252	38.191128	38.476234	39.155827	51.626312	62.044827	42.804649	43.08567	48.201847	44.268539	43.22028	43.416119	42.784763	41.291107	39.292709	36.579609	33.26786	29.675453	26.125034	22.980124	19.86338	16.922205	13.994864	11.727232

END_DATA </nowiki>

Note: This works in Colorthink 2. As of this writing (8.26.06) ColorThink Pro V 3.0.1b6 does not represent lab data correctly in the colorlist section of the grapher.


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