This is what I came up with. I hope it\u2019s right; I have been using it for a while. Please chime in if you see an error.
The "Ideal Densities for Various Dmax\u201d is left as an exercise for the student. J It forces you to think about what you are trying to accomplish; a good thing if you are doing your own curves.
Excel functions
For Density to L
=IF(Density<=2.05274,116*((10^(-1*Density))^(1/3))-16,116*(((903.3*10^(Density*-1)+16)/116))-16)
For L to density
=IF(LAB_L>=8,LOG(((LAB_L+16)/116)^3)*-1,LOG(LAB_L/903.3)*-1)
Best regards,
John Moody
-----Original
Message-----
From: QuadtoneRIP@yahoogroups.com
[mailto:QuadtoneRIP@yahoogroups.com]On Behalf
Of timlbatten
Sent: Monday, August 29, 2005 3:08
PM
To: QuadtoneRIP@yahoogroups.com
Subject: [QuadtoneRIP] Re: Curve
building?/Spreadsheet
What is the formula to convert dMax to *L? -or- can you share the
spreadsheet.
Also, does anyone know if there is an "Ideal Densities for Various
DMax" chart available that goes as los as dMax 140. I have some not so
great matte paper that maxes out at 142 on my UC 7600.
Thanks!!
tim