I've always liked the single tile OpenLayers preview, its the best "ground
truth" when testing layers. A single http request makes it easy to track in
the network tab. Adding an OpenLayers (tiled) link sounds like a fine idea.
Jason Newmoyer
Newmoyer Geospatial Solutions
843.606.0424
[email protected]
On Mon, Nov 27, 2017 at 9:10 AM, Paul Wittle via Geoserver-devel <
[email protected]> wrote:
> Hi,
>
>
>
> I think I said I would try to move this discussion to the dev list; not
> sure if that is the right method but here we go anyway.
>
>
>
> The basic comments appear to be summarised as follows:
>
>
>
> -> I have noticed that some of our layers are very slow loading in the
> layer preview and I would usually switch it straight to cache mode. On this
> basis and in discussion with Ian T we raised the ticket 8413 to suggest
> that tiled ‘might’ be a preferable starting situation.
>
> -> Andrea noted that in some cases it is preferable to use single tiles
> due to labelling etc. Suggested a configuration option instead of default?
>
> -> Jukka noted that the default map window is 768x330 so the single tile
> request may not actually be that much different
>
> -> Andrea noted that the default tiled map is 3x3 which is actually an
> area of 768x768 in reality.
>
>
>
> So in terms of the comments I do take the point that the area requested
> may be actually smaller in terms of the data behind the scenes but I had
> primarily raised the issue on the basis if the general feeling when using
> the layer preview. In my view the point of tiling is primarily to ensure
> that the user can see the data loading rather than waiting for the single
> render. I do accept the points raised but I do still feel there may be some
> benefit in allow the user to decide.
>
>
>
> I think Andrea was indicating that the tiles may not actually come from
> the tile cache but my understanding is that this would be the case if you
> open the links via the Tile Layers screen.
>
>
>
> Primarily I had added this one as I hoped it might be something very
> simple that I could look at whilst I’m learning to be a contributing
> developer but of course I will be guided by your views.
>
>
>
> Could we just add an extra option to the dropdown list as OpenLayers is
> already duplicated in that list?
>
>
>
> The proposal would simply be to add OpenLayers (Tiled) as an option in the
> UI.
>
>
>
> Cheers,
>
> Paul
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