Re: Writing data with rootcint dictionaries, reading with Reflex dictionaries?

From: Brett Viren <bv_at_bnl.gov>
Date: Tue, 13 Dec 2011 10:14:08 -0500


Hi Philippe,

This is how it looks in the header file:

  TClonesArray *fTracks; //-> Array of WCSimRootTracks

Thanks,
-Brett.

Philippe Canal <pcanal_at_fnal.gov> writes:

> Hi Brett,
>
> What does the header claim 'fTracks' to be?
>
> Philippe.
>
> On 12/12/11 7:30 PM, Brett Viren wrote:
>> Hi,
>>
>> Root 5.32/00, GCC 4.6.2, Debian GNU/Linux, x86.
>>
>> I'm trying to migrate some TTree producing code from rootcint to Reflex
>> dictionaries. When I try to read some old file produced by the
>> rootcint-based code using the Reflex version of the code I get some
>> warnings and some errors. If only rootcint dictionaries or only
>> Reflex ones are used for both producing and consuming there is no
>> problem.
>>
>> The classes in question inherit from TObject. For the Reflex-based
>> version the ClassImp() is not included and when reading I call
>> Cintext::Enable() before loading the Reflex dictionaries into ROOT.
>>
>> Is this mixing that I'm attempting supported?
>>
>> The warnings have to do with Rtypes apparently changing into plain old
>> data types. For example:
>>
>> ------------------------------------------------------------------------
>> Warning in<TStreamerInfo::CompareContent>: The following data member of
>> the on-file layout version 1 of class 'WCSimRootTrigger' differs from
>> the in-memory layout version 1:
>> Int_t fMode; //
>> vs
>> int fMode; //
>> ------------------------------------------------------------------------
>>
>> The error is that apparently a "TClonesArray*" is changed to a
>> "TClonesArray".
>>
>> ------------------------------------------------------------------------
>> Warning in<TStreamerInfo::BuildOld>: Cannot convert
>> WCSimRootTrigger::fTracks from type:TClonesArray* to type:TClonesArray,
>> skip element
>> ------------------------------------------------------------------------
>>
>> Thanks,
>> -Brett.
>>
>>

Received on Tue Dec 13 2011 - 16:14:34 CET

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