Proposal for revamping the tutorials (Danilo)
In the tutorials a lot of knowledge about ROOT and its usage is condensed. They are pretty nice as they are but perhaps there are ways in which we could increase their value:
- Alphabetically order the folders here https://root.cern/doc/master/group__Tutorials.html
- Rename all the tutorials - apart from some, Roo* for example, the names say nothing.
- Modernise all of them (C++11 standards). Some are areally poor in terms of coding style and C++
- Remove all includes where they are not needed and make them macros
- Hide the redundant ones as well as the uninformative ones and keep them as tests.
- Translate more to python
Some observations have been made. To summarise them:
- Axel: The "redundant/not-so-informative" tutorials could be directly moved to roottest in order not to expose them to the users.
- Bertrand: Include directives were added everywhere at some point. We should decide once and for all what to do to avoid going back and forth. This was recognised as a fair point. At the time of CINT this was done to check the integrity of the code with Aclic (i.e. with a real compiler). Now with CLING the situation is probably better.
- Enrico: Removing includes we give up the C++ compliance. This is true. The objection here is that macros still need to be C++ but we can strip away all the complications of the inclusion and linking given that auto{loading, parsing} are there to help.
- Olivier: Several macros return a TCanvas*. This was there for THtml in order to show plots in the doc. We can now safely get rid of this.
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