What does DT's Histogram show? Newbie...

[anon41087856]

Why is the global histogram in darktable different from the ones in modules ?

I have seen this question several times these past few weeks: If you open darktable modules like tone curve, rgb tone curve, tone equalizer, levels, rgb levels etc. the inset histogram doesn’t look the same as the global histogram (at the top of the right sidebar). Why ? [Capture%20d%E2%80%99%C3%A9cran%20du%202019-11-10%2013-13-35] The top right histogram is the non-linear RGB histogram of the full pipeline output. darktable stacks modules in a sequence named a pipeline: RAW -> [demosaic] …