Re: [h5md-user] proposal 100 - update

[Pierre de Buyl]

On Mon, Jun 01, 2015 at 03:54:16PM -0400, Peter Colberg wrote:
> On Fri, May 29, 2015 at 08:46:56AM +0200, Pierre de Buyl wrote:
> > But, in another likely usage, imagine that step is not linear and that
> > time[i]=step[i]*DT for all values of i.
> > 
> > My "new" extension is that if you have a non-scalar dataset for "step" and a
> > scalar dataset for "time", you can compute the value in time as
> > time[i]=step[i]*time
> 
> If time depends on step, I would suggest this scheme:
> 
>   \-- step[Inf]
>   |    +-- timestep: Float[]
>   \-- value[Inf, …]
> 
> However, to keep things simple, I would not favour this extension. If
> one already goes through the trouble of writing the variable-length
> step dataset, it is not much more work to write the time dataset using
> the same datatype and dataspace.

It is more about writing less data than convenience per se. I don't see this as
a "must have" though.

Pierre