@Igor BEGHETTO 
Yes, Yes, I can.  See the attached png file.  Note that the project was created from a June 20, 2020 build (see the bottom section) and the project was loaded on a build of September 18.  The color picker in the Compositor shows the exact same value and the image colors look equivalent.  Of note though is that the "Linear to Log Slider" will look different until you slide it all the way to LOG which is what it was in the original Histogram.  Adding the Linear and the percentages for sliding provides the capability to see a more versatile histogram.  GG says something about the lower colors are washed out of the histogram or the higher colors are too prevalent when using LOG (this is probably quoted wrong) -- that is why it is set to the default of 50% until you change it.  Note, that for illustrative purposes I have the slider set to LINEAR.


On Sun, Sep 20, 2020 at 1:46 AM Igor BEGHETTO via Cin <cin@lists.cinelerra-gg.org> wrote:
Can you confirm that this new feature on the Histogram Plugin is
compatible with the old/current projects?
Thanks!

IgorBeg


Il 20/09/2020 02:06, Phyllis Smith via Cin ha scritto:
> The Histogram Plugin will function as it did but a new feature has
> been added and checked into GIT.  The one default that has been
> changed is that you can choose a Linear or a Log slider value.  It is
> set at the beginning to 50% but if you want it to be the same as
> before, just set that slider all the way to Log.
>
> The easiest general procedure is to select the area on the timeline
> for which you would like to see the Histogram averaged and then click
> on the "Frames" button in the Histogram plugin.  Description of other
> changes:
>
> Linear to Log slider - frequency in Linear range to Log range; default
> is 50%; original was always Log.
> Frames button - if a Selection is set on the timeline, the number of
> frames will be calculated and shown in the box next to it.
> Frame Count box - type in the number of frames you want to be looked
> at starting at the insert marker or use the up/down counter.
> Clear Frames icon - reset the frame count to the default value of 0.
>
> A side note - by using a number of frames, you can get a
> "dissolve-like transition effect" which is interesting.
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