All figures:
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* Q: close all figures
* q: close current figure

Figure 1:
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- Top Panel
* m, M: change color map
* +,- : change levels of countours
- Bottom Panel
* r/n : Toggle on/off Normal distribution
        with N(0,1)

Figure 2:
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* p/t : Toggle plots in photo bins and spectroscopic bins
* o   : Toggle on/off oob data when available

Figure 3: 
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* Click on points to see its PDF
