That would work for me.
--
Jody Garnett
On 17/07/2012, at 7:38 PM, Andrea Aime <andrea.a...@geo-solutions.it> wrote:
On Tue, Jul 17, 2012 at 10:15 AM, Jody Garnett <jody.garn...@gmail.com>wrote:
> The interface was just an idea I threw in there, because there were
> concerns about ReferencedEnvelope3D not being a ReferencedEnvelope.
>
> But the idea of not making separate classes and make the current ones
> support 3D, I think is quite tricky too.
> The algorithms aren't necessarily the same with 2d and 3d. Basically,
> every method would need to have a check whether there is a 3rd dimension or
> not.
>
> Agreed; it would not be fun. We do have a couple implementations of the
> opengis Envelope interface to show us the way however.
> Still I would rather have one class that is tricky for us to write; then
> make something that is difficult for everyone else to use.
>
> Notes:
> - this single class solution prevents you from performing an instance of
> check to determine if 2D or 3D is supported - will that be a problem for
> your code?
> - A clean way to implement would be to have an optional internal
> "delegate" opengis Envelope, if it is non null we can delegate to that
> implementation. If it is null we can delegate to the JTSEnvelope superclass.
>
Why can't we have a ReferencedEnvelope3D extends ReferencedEnvelope?
It would allow the writing of the custom 3d logic without riddling the code
with if statements,
and would allow for an instanceof check.
Cheers
Andrea
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