Hi Adrian: On the process proposal page you left a comment that seems
incomplete (were some of your sentence chopped off?) - or at least
confusing to us...
>
> Hey all,
>
> As ever, Johann, that great slayer of Eclesia, nails a need of
> Geotools. Unfortunately, identifying the need is merely a first step
> on a long road.
>
> Off the top of my head, there are several informatic needs to enable
> support for this kind of thing:
>
> 1) a good structure to hold multiple, labelled, selections on the
> registry: e.g. an op gets to work against all the features of layer
> one with height > 30 and all the features of layer two within some
> bbox. I may be doing something "simple" like a buffer but want to
> return a marked version of that
>
> 2) a good strategy to enable process monitoring and control
> (suspend/resume/cancel/cleanup). This would include explaining how
> often a thread needs to poll the isInterrupted()
>
> Unknown macro: {sensu. unix SIGHUP}
> and how much work should happen between polls.
>
> 3) a good strategy for passing a 'hint' like parameter set to the
> operation. This should be something like a
> SACRIFICE_ALL_FOR_SPEED which would be an extensible list of elements
> so adriansNewMixupOperation could pass the code_list a
> add(SACRIFICE_ALL_FOR_SPEED, "<round_corners_are_square>")
> by which anyone calling my op with the SACRIFICE_ALL_FOR_SPEED would
> pass me back the parameter that makes sense to me, namely
> <round_corners_are_square>.
>
> Yeah, so this last one is probably hard/confusing. It's only slowly
> emerging as I think about ISO geometry. There's still a long way to go
> before we can design anything above Feature that makes good sense for
> those working below. uDig certainly did a good start. I suspect
> getting a solid selection system will require a good repository which
> is non trivial.
>
> --adrian's 2c, now only worth around Euro 0.013
>
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