Yahoo Groups archive

Digital BW, The Print

Index last updated: 2026-04-28 22:56 UTC

Message

an inexpensive and accurate method to linearize a QTR curve

2015-05-09 by paulmwhiting@...

I hope it's ok to post this link again in this group, but I first posted it under a thread where the original topic might not make my post obvious - a bit of thread drift perhaps but it did follow the post immediately preceding it.

I learned about this method from a kind member off-group and we worked on a narrative to sum up our conversation so that others might find it useful. For one thing, it does not require a densitometer, just a gray scale and a flatbed scanner.

Let me know of any unclear passages or errors.

Regards,

Paul

linearizing QTR curve.pdf
linearizing QTR curve.pdf
Shared with Dropbox
View on www.dropbox.com
Preview by Yahoo



Attachments

  • No local attachments were found for this message.

Move to quarantaine

This moves the raw source file on disk only. The archive index is not changed automatically, so you still need to run a manual refresh afterward.