[Benchmarking] Testing setup

Smith, Michael ERDC-CRREL-NH michael.smith at usace.army.mil
Tue Aug 10 09:24:07 EDT 2010

I'd say go with 

        raster only queries => PNG24
        vector only queries => PNG24
        mixed queries => JPEG, PNG24, PNG8

        EPSG:900913, Google/Bing
        EPSG:25831, UTM       (original, no reproj for raster)

Lets keep it as simple as possible (but no simpler).


Michael Smith
US Army Corps of Engineers
Remote Sensing/GIS Center
Hanover, NH 

On 8/9/10 5:41 AM, "Andrea Aime" <aaime at opengeo.org> wrote:

> Adrian Custer ha scritto:
>> Projections:
>>         (vector only?) EPSG:22662, Platte-Carré,    (no reproj)
>>         EPSG:25831, UTM       (original, no reproj for raster)
>>         EPSG:3857,  google    (reproj, no datum change)
>>         EPSG:23031, UTM/ED50  (reproj, with datum change)
>>         Lambert Conformal Conic, 60N,30N; 20East    (not mercator)
> Adrian,
> thanks for the summary. It all makes sense to me, I just have a couple
> of concerns about the projections.
> One is that they might too many and we should just pick 2, or at
> most 3, to reduce the overall number of tests we're running.
> This is based both on the amount of slides necessary to present and
> discuss the test results, and the amount of time it takes to make
> a full run, which is then to be multiplied by the number of
> participating server (if experience is any indication everybody will
> want to make a run the very last day allowed for testing, something
> which is made likely by the fact we're late with the testing too).
> The other is about the usage of EPSG:22662 as the "non reprojecting"
> one. For the non reprojecting case I'd go for EPSG:4326 directly.
> While I know it's not classically meant to be used for representation,
> it has become common practice (e.g., NASA WMS-es do publish data almost
> exclusively in EPSG:4326) and it guarantees the server is not
> exercising the referencing subsystem at all, making it easier
> to show what the real effect of the referencing subsystem is.
> Cheers
> Andrea

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