Hi Jody,
I hadn't considered that aspect.However three of those layers are
symbolised as nothing more than regular polygons/lines. The highest
stroke-width is 3.
The fourth layer reads line features which are then labelled.
In this circumstance should there be such adjustment to the bbox?
Cheers,
Jonathan
On 17 October 2013 05:24, Jody Garnett <jody.garn...@gmail.com> wrote:
> The request may be adjusted to account for symboliser size at your current
> scale. If you have a symbol of 16.x16 pixels, we want to expand the request
> area for that layer by 8 pixels in each direction (in order to collect any
> features that are "just" off-screen, but may end up being visible when
> drawn.
> --
> Jody Garnett
>
> On 15 October 2013 at 2:08:59 AM, Jonathan Moules (
> jonathanmou...@warwickshire.gov.uk <//jonathanmou...@warwickshire.gov.uk>)
> wrote:
>
> Hi List,
> While looking at my log for a single tile request, I see GeoServer is
> making four separate requests to Oracle, one for each layer. This is as
> expected.
>
> The weird thing is that for every one of the requests, a different
> bounding box is supplied to Oracle. I have the following four (easiest to
> see with wide-screen no word-wrap).
>
>
> MDSYS.SDO_GEOMETRY(2003,27700,NULL,MDSYS.SDO_ELEM_INFO_ARRAY(1,1003,3),MDSYS.SDO_ORDINATE_ARRAY(410006.8,278115.6,411445.99999999994,279554.8))
>
> MDSYS.SDO_GEOMETRY(2003,27700,NULL,MDSYS.SDO_ELEM_INFO_ARRAY(1,1003,3),MDSYS.SDO_ORDINATE_ARRAY(410002.6,278111.39999999997,411450.19999999995,279559.0))
>
> MDSYS.SDO_GEOMETRY(2003,27700,NULL,MDSYS.SDO_ELEM_INFO_ARRAY(1,1003,3),MDSYS.SDO_ORDINATE_ARRAY(409999.8,278108.6,411452.99999999994,279561.8))
>
> MDSYS.SDO_GEOMETRY(2003,27700,NULL,MDSYS.SDO_ELEM_INFO_ARRAY(1,1003,3),MDSYS.SDO_ORDINATE_ARRAY(409998.39999999997,278107.19999999995,411454.39999999997,279563.2))
>
> The difference between them is 9metres on both width and height.
>
> Two thoughts:
> a) Doesn't this add scope for missing/adding features that shouldn't be
> there? 9m is several buildings zoomed out to 1:5000, the max denominator on
> our detailed dataset.
>
> b) Is there room for a (probably minor performance gain) optimisation to
> only create it once?
>
> Cheers,
> Jonathan
>
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