[okfn-discuss] suggestion re. "drill down" for time series with non-homogenous coverage

Michael Bauer michael.bauer at okfn.org
Wed Aug 6 07:32:09 UTC 2014


On Mon, Aug 04, 2014 at 05:57:34PM +0200, Andrea Giacomelli wrote:
> Hi,
> I have a data set [1] where data are coming from monitoring stations which
> have been activiated at different dates/years, and which may be off-line
> for certain periods, so temporal coverage is not uniform once a station
> enters our network.
> I would like to display the availability of data ideally in the form of a
> grid which provides some kind of drill down by showing years/months/days,
> so that a user which eventually goes to query the systems for charting or
> download can minimize the amount of "sorry, no data for this station in
> this date range" kind of messages.
> I can easily build a set of queries providing a count of data records per
> station aggregated on a given time interval...
> I would then like to know if you have any suggestions for a nice visual
> front-end to these data arrays...in principle even returning a plain table
> with cells showing the number of records would be ok, but I'm taking the
> exercise as an opportunity to check out some fresher options.
> TIA for any feedback you may provide, and regards

Very good question - I'd pose it over at okfn-labs as well (more techies

Could you sketch out the workflow. E.g. will I first select (a) sensor(s)
then the timespan?


> Andrea Giacomelli
> http://www.pibinko.org
> [1] www.cordilit.org and "English Home" if you are interested in the details

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