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diff --git a/doc/spec2cie.html b/doc/spec2cie.html index 7911948..2780161 100644 --- a/doc/spec2cie.html +++ b/doc/spec2cie.html @@ -1,7 +1,7 @@ <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> - <title>fakeread</title> + <title>spec2cie</title> <meta http-equiv="content-type" content="text/html; charset=windows-1252"> <meta name="author" content="Graeme Gill"> @@ -9,38 +9,60 @@ <body> <h2><b>spectro/</b><span style="text-decoration: underline;"></span>spec2cie</h2> <h3>Summary</h3> - Convert reflective spectral <a href="File_Formats.html#.ti3">.ti3</a> - readings into CIE XYZ and D50 L*a*b* readings. Apply FWA, plot - spectrums.<br> + Convert spectral <a href="File_Formats.html#.ti3">.ti3</a> or <a + href="File_Formats.html#.sp">.sp</a> readings into CIE XYZ and D50 + L*a*b* readings. Apply FWA, plot spectrums.<br> + This is assumed to be for a reflective media by default - i.e. that + the input .ti3 or .sp file values are spectral reflectances, unless + the input is marked as <span style="font-weight: bold;">DEVICE_CLASS</span> + + + <span style="font-weight: bold;">EMISINPUT</span> (See the <a + href="ti3_format.html">description of the .ti3 format</a>. This + would have to be done manually, as no ArgyllCMS tools generate such + data.)<br> <h3>Usage</h3> - <tt><small>spec2cie [options] <span style="font-style: italic;">input.ti3 + <tt><small>spec2cie [options] <span style="font-style: italic;">input.[ti3|sp] - output.ti3<br> + + + + output.[ti3|sp]<br> </span></small></tt><tt><small>-v - + + Verbose mode</small></tt><br> <tt><small><small> <a href="spec2cie.html#I">-I <i>illum</i></a> - Override actual instrument illuminant in .ti3 - file:<br> + + + + Override actual + instrument illuminant in .ti3 or .sp file:<br> - A, C, D50, D50M2, D65, F5, F8, F10 or - file.sp<br> - + A, C, D50, D50M2, + D65, F5, F8, F10 or file.sp<br> + + + + (only used in conjunction with <span style="font-weight: bold;">-f</span>)<br> </small></small></tt><tt><small><small> <a - href="colprof.html#f">-f [<i>illum</i>]</a> Use - Fluorescent Whitening Agent compensation [simulated inst. - illum.:<br> - + href="colprof.html#f">-f [<i>illum</i>]</a> + Use Fluorescent Whitening + Agent compensation [simulated inst. illum.:<br> + + + + @@ -48,56 +70,61 @@ file.sp]<br> </small></small></tt><tt><small><small><small> <a href="spec2cie.html#i">-i <i>illum</i></a> - Choose illuminant for computation of CIE XYZ - from spectral data & FWA:<br> + Choose illuminant for + computation of CIE XYZ from spectral data & FWA:<br> - A, C, D50 (def.), D50M2, D65, F5, - F8, F10 or file.sp<br> + A, C, D50 + (def.), D50M2, D65, F5, F8, F10 or file.sp<br> </small></small><a href="#o">-o <i>observ</i></a> - Choose CIE Observer for spectral data:<br> + + + + Choose CIE Observer for + spectral data:<br> - + + + + 1931_2 </small></tt><tt><small> (def.)</small></tt><tt><small>, 1964_10, S&B 1955_2, shaw, J&V 1978_2 or file.cmf<br> - <a href="#p">-n</a> + <a href="#p">-n</a> Don't output - spectral values<br> - </small></tt><tt><small> <a href="#p">-p</a> - - Plot each values spectrum</small></tt><tt><br> - </tt><tt> </tt><tt><small> <span style="font-style: italic;">input.ti3</span> -Measurement - - file<br> - <span style="font-style: italic;">output.ti3</span> - + spectral values<br> + </small></tt><tt><small> <a href="#p">-p</a> + - Converted measurement file</small></tt><br> + Plot each values spectrum</small></tt><tt><br> + </tt><tt> </tt><tt><small> <span style="font-style: italic;">input.[ti3|sp]</span> + Measurement file<br> + <span style="font-style: italic;">output.[ti3</span>|sp] + Converted measurement file</small></tt><br> <h3>Comments</h3> This program takes the (usually reflective) spectral data in a .ti3 - file, converts them to XYZ and D50 L*a*b* and fills the XYZ_[XYZ] - and LAB_[LAB] columns in the output .ti3 file. If the columns - XYZ_[XYZ] and/or LAB_[LAB] are missing in the input file, they are - added to the output file.<br> + or .sp file, converts them to XYZ and D50 L*a*b* and fills the + XYZ_[XYZ] and LAB_[LAB] columns in the output .ti3 or .sp file. If + the columns XYZ_[XYZ] and/or LAB_[LAB] are missing in the input + file, they are added to the output file.<br> <br> If FWA correction is applied, then the spectra saved will be FWA corrected, as well as the XYZ and D50 L*a*b* values.<br> <br> - All other columns are copied from the input to the output .ti3 file.<br> + All other columns are copied from the input to the output .ti3 or + .sp file.<br> <br> Setting an actual instrument/simulated instrument/CIE illuminant only has an effect for reflective/transmissive spectra. Emissive @@ -139,15 +166,18 @@ Measurement + + + <a href="colprof.html#f">colprof -f</a> for a fuller explanation. <br> <br> <a name="i"></a>The <b>-i</b> parameter allows specifying a standard or custom illumination spectrum, applied to spectral .ti3 - data to compute PCS (Profile Connection Space) tristimulus values. <b>A</b>, - <b>D50</b>, <b>D65</b>, <b>F5</b>, <b>F8</b>, <b>F10</b> are a - selection of standard illuminant spectrums, with <b>D50</b> being - the default. If a filename is specified instead, it will be assumed - to be an Argyll specific <a href="File_Formats.html#.sp">.sp</a> + pr .sp data to compute PCS (Profile Connection Space) tristimulus + values. <b>A</b>, <b>D50</b>, <b>D65</b>, <b>F5</b>, <b>F8</b>, + <b>F10</b> are a selection of standard illuminant spectrums, with <b>D50</b> + being the default. If a filename is specified instead, it will be + assumed to be an Argyll specific <a href="File_Formats.html#.sp">.sp</a> custom spectrum file. This only works if spectral data is available. Illuminant details are:<br> <br> |