* David Vincent-Jones <david...@gmail.com> [01-12-16 19:59]: > Patrick; this is a 'high pass' module .. it is not a monochrome module. The > 'default' mode for all modules (according to the manual) is the normal blend > and my expectation of this module is that it should operate in the same way > that all other modules work. ... I would not expect that using blend in a > sharpen module eliminates all color, I am sure that you would agree. > > With the high-pass operation the color is only back to normal if the effect > is fully eliminated (opacity=0%) ... that cannot be correct!! > > If you use the blend module with other processes I am sure that you will see > the difference. > > On 12/01/16 04:21 PM, Patrick Shanahan wrote: > >* David Vincent-Jones <david...@gmail.com> [01-12-16 18:58]: > >>With the opacity slider in the 100% position the image is monochrome. This > >>does not occur with any other module (that I have tested). So, to answer > >>your question, I did not touch the opacity slider in seeing the problem. > >> > >>On 12/01/16 03:41 PM, Patrick Shanahan wrote: > >>>* David Vincent-Jones <david...@gmail.com> [01-12-16 16:32]: > >>>>With the highpass module the 'blend>normal' and 'blend>normal-bounded' > >>>>settings create a monochrome result from a color input image. I believe > >>>>this > >>>>is incorrect. With all other modules those blend functions appears to be > >>>>correct. > >>>You didn't move the "opacity" slider ??? > >>> > >But, if you move the slider, color appears. You don't agree with that? > >Or you don't think @ 100% there should be no color, or .... you believe > >the slider is reversed? Does it not operate as other image editors do. > >Or does it just not fit you?
No, it is not a "monochrome" module. Aiui, high-pass is usually employed to affect sharpening in different manner that "sharpening". Per tfm: 3.2.5. Blending 3.2.5.1 Overview ... Each blend mode is further controlled by a parameter called opacity, which can have a value between 0% and 100% and defines how input and output image contribute to the final result. Typically an opacity value of 0% gives as a result an image that is identical to the input image – the module remains without effect. An opacity value of 100% delivers the maximum effect of the module with the blend mode chosen. Maximum effect of the high-pass filter is no color No where does it state that *all* modules blend modes affect the same type of output. If fact it allows for difference by: "Typically ..." I looked at a ps demo and grey rather than color was displayed..... In the end, all we are doing is expressing our opinions. The "way it will be" will be determined by the dev's. -- (paka)Patrick Shanahan Plainfield, Indiana, USA @ptilopteri http://en.opensuse.org openSUSE Community Member facebook/ptilopteri http://wahoo.no-ip.org Photo Album: http://wahoo.no-ip.org/gallery2 Registered Linux User #207535 @ http://linuxcounter.net ___________________________________________________________________________ darktable developer mailing list to unsubscribe send a mail to darktable-dev+unsubscr...@lists.darktable.org
