So this is for WMS-T ... as in WMS Temporal.
The syntax is clear.
Here are two ideas for quick consideration:
*CQL Time Duration*
WFS 2.0 has temporal functions which we have dragged into CQL, any
advantage to being consistent with the syntax here:
http://docs.geoserver.org/latest/en/user/filter/ecql_reference.html#ecql-period
In particular the representation of time period seems nice and terse:
private final static String CONTINUOUS_RELATIVE_PERIOD_H = "P2H/PRESENT";
private final static String CONTINUOUS_RELATIVE_PERIOD_D = "P10D/PRESENT";
(There was no duration specified in weeks, I also did not see a
representation for PRESENT, NOW .. or FIRST or LATEST)
*WFS 2.0 FeatureId madness*
This is probably a terrible idea, but you may wish to steal language such
as FIRST and LATEST above.
The second thing WFS 2.0 has going on is the ability to query FeatureId
based on previous, first or by date (see
http://docs.geotools.org/latest/userguide/library/opengis/filter.html#identifer
).
Any advantage to stealing the language of FIRST, PREVIOUS, etc..?
private final static String CONTINUOUS_RELATIVE_PERIOD_Y = "FIRST/P1Y";
Jody Garnett
On Tue, Dec 2, 2014 at 1:27 AM, Andrea Aime <[email protected]>
wrote:
> Hi,
> I would like to bring people attention to this pull request:
> https://github.com/geoserver/geoserver/pull/823
>
> It adds support for time relative expressions in this form:
>
> + private final static String CONTINUOUS_RELATIVE_PERIOD_H =
> "BACK2H/PRESENT";
> + private final static String CONTINUOUS_RELATIVE_PERIOD_D =
> "BACK10D/PRESENT";
> + private final static String CONTINUOUS_RELATIVE_PERIOD_W =
> "BACK400W/PRESENT";
>
> Any feedback we might have on the syntax or implementation?
>
> Cheers
> Andrea
>
> --
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