Problem when plotting pdf components

Roofit and RooStats
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1

I’ve recently updated my ROOT version to v6.20.06 and my once working code snippet to plot several pdf components on the same canvas broke.

No matter if I select the pdf components by object reference or by name, i.e. by:

modelTot.plotOn(frame, RooFit::Components(“modelTot*”),
FillColor(93), LineColor(93), DrawOption(“F”));

or

modelTot.plotOn(frame, RooFit::Components(RooArgSet(modelTot)),
FillColor(93), LineColor(93), DrawOption(“F”));

I get:

[#1] INFO:Plotting -- RooAbsPdf::plotOn(modelTot0) directly selected PDF components: (modelTot0)
[#1] INFO:Plotting -- RooAbsPdf::plotOn(modelTot0) indirectly selected PDF components: (modelSigTotTrig0,modelSigTrig0Phot0,cb1Trig0Phot0,shiftedMeanTrig0Phot0,scaledSigmaTrig0Phot0,cb2Trig0Phot0,scaledSigma2Trig0Phot0,scaledArTrig0Phot0,modelSigTrig0Phot1,cb1Trig0Phot1,shiftedMeanTrig0Phot1,scaledSigmaTrig0Phot1,cb2Trig0Phot1,scaledSigma2Trig0Phot1,scaledArTrig0Phot1,modelSigTrig0Phot2,cb1Trig0Phot2,shiftedMeanTrig0Phot2,scaledSigmaTrig0Phot2,cb2Trig0Phot2,scaledSigma2Trig0Phot2,scaledArTrig0Phot2,modelBkgTotTrig0,modelPrcTotTrig0,templateCharmPrcTrig0Phot-1,templateRarePrcTrig0Phot-1)
terminate called after throwing an instance of 'std::regex_error'
  what():  Unexpected character in brace expression.
Aborted (core dumped)

It looks like they are found but then the regex_error appears.
Shall I do something different to select the pdfs?

2

@moneta could you please take a look? Thank you in advance!

3

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5

This is addressed by regex_error when selecting pdf components to plot · Issue #7115 · root-project/root · GitHub, that is now fixed in master, 6.22 and 6.20

6

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