Am Donnerstag, 25. September 2014, 08:06:54 schrieb johannes hanika: > looks like a bug to me. it's supposed to be in ev, but the way colors are > included into the mix makes it attenuate only half of what it should. it > does some linear mixing between color and 2^(-density) instead of altering > the density per color channel. unfortunately the grey color evaluates to > 0.5 0.5 0.5 instead of 0 0 0.. It's ok for me. I was just wondering. Since you gave us masks and multiple instances the 'real' graduated density filter could be emulated by exposure. And maybe the slightly different behaviour has it's own use, too.
> will not be easy to fix cleanly (without destroying people's existing > history stacks or making a mess of the code). I agree. If it's not a newly introduced bug you should probably leave it as it is. Stefan > > j. > > On Thu, Sep 25, 2014 at 1:09 AM, Stefan Hühne <[email protected]> wrote: > > Hi, > > > > I am playing around with exposure adjustment and graduated density. > > Both sliders have the unit "ev". Therefore I expected that a exposure > > adjustment of "-3.00EV" should be visually the same as the filter with a > > density of "3.00ev". But the result of the filter is significantly lighter > > than > > the exposure adjustment - even with compression set to 100% and the > > divider > > pushed to the far edge of the image. > > > > Is this a bug or is my expectation wrong? > > > > I am using darktable 1.5+1856~ga6c4082 on openSUSE. > > > > > > Stefan > > > > > > > > > > > > -------------------------------------------------------------------------- > > ---- Meet PCI DSS 3.0 Compliance Requirements with EventLog Analyzer > > Achieve PCI DSS 3.0 Compliant Status with Out-of-the-box PCI DSS Reports > > Are you Audit-Ready for PCI DSS 3.0 Compliance? Download White paper > > Comply to PCI DSS 3.0 Requirement 10 and 11.5 with EventLog Analyzer > > > > http://pubads.g.doubleclick.net/gampad/clk?id=154622311&iu=/4140/ostg.clkt > > rk _______________________________________________ > > Darktable-users mailing list > > [email protected] > > https://lists.sourceforge.net/lists/listinfo/darktable-users ------------------------------------------------------------------------------ Meet PCI DSS 3.0 Compliance Requirements with EventLog Analyzer Achieve PCI DSS 3.0 Compliant Status with Out-of-the-box PCI DSS Reports Are you Audit-Ready for PCI DSS 3.0 Compliance? Download White paper Comply to PCI DSS 3.0 Requirement 10 and 11.5 with EventLog Analyzer http://pubads.g.doubleclick.net/gampad/clk?id=154622311&iu=/4140/ostg.clktrk _______________________________________________ Darktable-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/darktable-users
