> > I am thinking of using the FIXED format event to avoid the overhead of the bank
> > structure. The Wiki says under "FIXED Format Event" that the standard MIDAS
> > analyzer cannot work with this format. What exactly is meant by this? Is it saying
> > that the specific ROOTANA analyzer template will not work with the event format?
> I am not sure if current code can deal with anything other than MIDAS data that uses
> the bank format. (even bk_init32a() support is incomplete in ROOTANA!).
> I am curious why you have a problem with the bank format.
> For bank overhead, there are several solutions:
> a) if you have 1000 banks, 1 data word in each bank, you can create 1 MIDAS bank, store
> your data inside using your own optimized data format. (MIDAS overhead reduces from
> 4000 words to 4 words, overhead from your custom data format goes from 0 to ???, so you
> may not gain much).
> b) if you have 1000 data events, 1 data word in each event. Overhead is crazy: many
> words of event header, many words of bank header, etc. I would solve this storing
> all your events inside one single midas event (say, 1000 data events per 1 midas
> event). Each data event can be stored in a midas bank (it is okey to have 1000 banks
> named "AAAA"), or you use solution (a). The m-analyzer is especially suitable for
> working with such "super events". In the unpacking module, AnalyzeEvent() would unpack
> each data event into a FlowEvent, in all the other modules, your FlowEvent-encapsulated
> data events will show up in the AnalyzeFlowEvent() method.
> Next time I work on the midasio library and the TMEvent class I should check that it
> works with and that is usable with non-midas-bank data.
Yeah I had not yet really dove into the Event Structure documentation at the time that I
wrote this email. The BANK format and I get along now. No problem there anymore.
Thanks for getting back to me sir.