Re: [Animl-develop] Discontinuous timelines in AnIML Schema

[<Mar...@wa...>]

Hi Mark,

> I would like to introduce a new developer to the group, Mark Mullins (MM)
of
> SSI, who is working on an AnIML implementation.  Mark has discovered
> some difficulties with fitting his simple UV chromatography data
> into AnIML, as have I (MB) for report LCMS data.
Welcome!

> Here is my understanding of the AnIML to SSI SaMPL concordance (MM
> has SaMPL xml in grey below)
=46orgive my ignorance: What is SaMPL=3F

> I've verified this and agree that there is a Length atribute in
> VectorSet.  However, there is a misunderstanding about what it
> means.  I know this because I have Dominic Poetz's documentation
> printout (but cannot email it as I do not have it electronically -
> Gary Kramer may have it).  VectorSet.Length actually represents the
> Vector count, not the count for the number of points in each
> contained vector.
In this case, how do we know how many elements a vector has=3F We need this
information for the AutoIncrementedValueSet. Are we supposed to use the
StartOffset and EndOffset attributes for this=3F

Maybe you can scan Dominik's text to a PDF you can send. That would
certainly help everybody understand things better (plus it would help me a
lot in creating technique definitions).


> Case 3:
> Scenario:  LCMS Data with standard chromatogram but summed and
> background-subtracted spectral reports (sum and subtract start and
> stop points needed as timeline)
>
> Again we have discontinuous timelines as in Case 1, but here each
> spectrum is a separate Page and should be displayed on separate
> graphs as opposed to Case 1 where the segments should be displayed
> on the same graph.  We can have a subordinate PageSet of MS spectra
> but what do we put in the superordinate (top-level) Page=3F  What I
> want is a series of (0-many) summation (start and stop) and (0-many)
> subtraction selections describing each spectrum. The closest thing
> in AnIML is Individual Value Set.  I would need one set for
> summation starts, another for summation stops, and a third and
> fourth for subtraction start and stop.  However, as there can be 0 -
> many summations or subtractions per spectrum, I believe we begin to
> run into problems indentical to Case 1 - a segmented timeline
> representing the collection of start-stop segments used in creating
> each spectrum.
What we could do is create a "timeline" technique containing only one time
vector, then "attach" the other pages to this vector. The timeline would
only contain the starting points of each measurement. This would also allow
to accommodate different sampling rates.

Maren.



Mit freundlichen Gr=FC=DFen / Best regards

Dr. Maren Fiege
Product Manager

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