While this is a good idea...you will not be achieving the optimal ink load for each paper...once again a limit of the Epson driver...it is a good cheap solution, however. Robert On 5/8/02 5:43 PM, "Peter Marquis-Kyle" <petermk@...> wrote: > Paul Roark wrote > >> My original hope was that people could do paper profiles as Transfer >> Functions to be applied after the usual variable-tone curve was applied. I >> did a rough one for Somerset Enhanced, for example. >> >> I never envisioned everyone tweaking the curves. >> >> I think the primary failure of the vm approach is that there has been no >> pooling of such profiles, which I anticipated would happen. Admittedly, the >> transfer function tool is crude, which could be part of the problem. >> However, I thought that doing rough profiles by just printing a 21-step test >> file and correcting for the amount by which the steps are off would be easy >> enough that people would just do it manually. > > I am keen to contribute to the pool, if it's within my capabilities. > > Paul, do you have a step-by-step description of the process? I imagine it > involves printing stepped gradients on the paper to be 'profiled', and making > iterative changes to the transfer function to match the printout to a > standard? > > Is a flatbed scanner a sufficient measuring device? (I don't have a > densitometer > in my kit, or in my budget). > > Can you suggest some papers that would benefit from transfer functions? > > Anyone else willing to share? > > Peter Marquis-Kyle
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Re: [Digital BW] Pooling VM transfer curves (was Random musing on VM, profiling, and transfer curves)
2002-05-09 by Robert G. Morrison
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