Enable plotting of transformed parameters

[eivindsm]

Is your feature request related to a problem? Please describe.
Parameters with a prior transformation, eg lognormal, typically span several decades and are consequently not well represented visual on a non transformed axis. For all plots in webviz-ert we need to either offer plotting of the transformed variables or bot transformed and original. Currently, these parameters are only possible to plot without the transform and this is the reason we eg get plots like attached screen shot below:

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[mortalisk]

Is this something that exists in qt plotter? Is there are proposed way to do this?

[eivindsm]

Hi Morten, in the legacy plotter transformed parameters are duplicated and presented both as log transformed and original. Preferably, a similar system should be implemented in webviz-ert. Issue has previously been discussed with @ManInFez. Not sure we concluded on a preferred way to do this for all transformations, however most transformations are of a type for which an inverse exist. For these cases it should be easy to calculate the transformed or inverse whenever needed.