On Mon, Oct 14, 2013 at 3:35 PM, Jonathan Moules <
jonathanmou...@warwickshire.gov.uk> wrote:
> Hi Andrea,
> Thanks for the link.
>
> I did indeed notice that comment which is what prompted my post in the
> user list. But given that the rendering portion is fairly slow itself (or
> appears to be) and I'm using 64bit windows, I figured I'd give it a spin;
> what's the worst that can happen right? :-D
>
> I guess it doesn't need any special setting to turn it on? My log from a
> getmap request is slightly different now and ends shorter with only one
> line (no DEBUG level events?):
>
> 2013-10-14 13:23:56,384 INFO [org.geoserver.flow] - Running requests: 0,
> processing through flow controllers: 0
>
> ---
> Previously it had about 100 lines of:
> ...
> 2013-10-14 11:29:57,022 DEBUG [org.geotools.image] - Encoded input image
> for png writer
> 2013-10-14 11:29:57,022 DEBUG [org.geotools.image] - Getting a writer
> 2013-10-14 11:29:57,022 DEBUG [org.geotools.image] - Unable to use Native
> ImageIO PNG writer.
> 2013-10-14 11:29:57,022 DEBUG [org.geotools.image] - Using ImageIO Writer
> with SPI: com.sun.imageio.plugins.png.PNGImageWriterSpi
> ...
> ----
>
> As a result, assuming I'm reading the logs right (big if!), the previous
> tile took about 1.2 seconds from "gettile" to the "running requests", this
> one takes about 0.4seconds, which implies a big speedup!
> I've attached the zip file of the request so you can check/compare with
> the ones in my user-list thread.
>
> However the new tile appears to be a larger file. 121KB versus the
> previous 119KB.
>
Well, 3 times faster and a 1% increase in size, it seems it's working well
for you :-)
File size is generally big though... is that really a tile?
Have you tried the image/png8 output format? It can do transparency and
translucency,
so it can be used for overlays too.
Cheers
Andrea
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