Re: [SED-ML-discuss] The 'numberOfPoints' attribute

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I was under the mistaken in impression that this change was going to 
impact SED-ML L1V2 retroactively, but it's actually slated for L1V3 and 
won't affect libsedml's ability to read older versions, so I also agree 
with Herbert (i.e. option 2).

J Kyle Medley, PhD Candidate
Bioengineering/BPSD, Sauro Lab
University of Washington, Seattle
skype: jkylemedley

On 6/27/17 1:47 PM, Moraru,Ion wrote:
>
> I agree with Herbert.
>
> Ion
>
> *From:*Herbert Sauro [mailto:uw....@gm...]
> *Sent:* Tuesday, June 27, 2017 4:21 PM
> *To:* sed...@li...
> *Subject:* Re: [SED-ML-discuss] The 'numberOfPoints' attribute
>
> Given that the sedml community is still very small, it would be better 
> to get it right at this early stage, hence I prefer option
>
> 2) change the name to set thing else, e.g. numberOfSteps
>
> For those clinging to earlier versions they can check the version of 
> the sedml and interpret numberofpoints in the old way. In that sense I 
> don't think it affects backward compatibility.
>
> Herbett
>
> On Tue, Jun 27, 2017 at 1:08 PM Kyle Medley <me...@co... 
> <mailto:me...@co...>> wrote:
>
>     It seems to me that breaking backwards compatibility defeats one
>     of the major advantages of having a standard encoding, so I would
>     prefer option 1. If people are not happy with that, I have a
>     different suggestion:
>
>     4) Allow 'numberOfPoints', and do not change its meaning, but also
>     create a new attribute 'numberOfSteps' with the same semantics.
>     'numberOfPoints' would not be deprecated.
>
>     Cheers,
>
>     Kyle
>
>     J Kyle Medley, PhD Candidate
>
>     Bioengineering/BPSD, Sauro Lab
>
>     University of Washington, Seattle
>
>     skype: jkylemedley
>
>     On 6/27/17 12:46 PM, Lucian Smith wrote:
>
>         At HARMONY, the issue was brought up that the 'numberOfPoints'
>         attribute is confusing, because the literal number of expected
>         points in the output file is one more than that: the initial
>         conditions, and the number of *computed* points.
>
>         It was proposed that we fix this for SED-ML Level 1 Version
>         3.  There are a few options:
>
>         1) No change:  simply make it more clear in the spec that
>         'numberOfPoints' means 'number of computed points' aka 'number
>         of steps'.
>
>         2) Change the name of the attribute to 'numberOfSteps' or
>         possibly 'numberOfComputedPoints'.
>
>         3) Deprecate but allow 'numberOfPoints', and make a new
>         'numberOfSteps' attribute that people are encouraged to use
>         instead.
>
>         Any opinions?  It seems like the advantage is preventing
>         future confusion, and the cost is having a
>         non-backwards-compatible spec, and the cost of implementation
>         changes for the groups that currently support SED-ML.
>
>         -Lucian
>
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