Imran,
I will have a look, but I've always understood using tiled=true would fix
this for me.
Thanks,
Paul
*Paul Meems *
Release manager, configuration manager
and forum moderator of MapWindow GIS.
www.mapwindow.org
Owner of MapWindow.nl - Support for
Dutch speaking users.
www.mapwindow.nl
*
*
2012/5/7 Imran Rajjad <raj...@gmail.com>
> here is the problem, you are not using cached layer, neither you are
> hitting gwc.
>
> "Assen: Zonnepanelen", "http://myISP/geoserver/MyApp/wms";,
>
>
>
> if you have cached the layer, go to the demo page of gwc ,you should be
> able to see the cached layers through openlayers, check the source of that
> page to see how to use a gwc layer in openlayers. your url should look
> something like http://myISP/geoserver/gwc/service/wms/..... (hope I got
> that right)
>
> for more check this page
> http://docs.geoserver.org/stable/en/user/geowebcache/demopage.html
>
> regards,
> Imran
>
> On Mon, May 7, 2012 at 6:54 PM, Paul Meems <bontepaar...@gmail.com> wrote:
>
>> Thanks Imran,
>>
>> I'm using Tomcat and I've attached part of my source code.
>>
>>
>> Thanks,
>>
>> Paul
>> --
>> Organizing the International Open Source GIS conference 2012 in The
>> Netherlands:
>> http://www.mapwindow.org/conference/2012/
>>
>>
>> 2012/5/7 Imran Rajjad <raj...@gmail.com>
>>
>>> the tiles are in your datadir/gwc .. you can verify it. can you show the
>>> openlayers source, which you are using to access the cached layer? secondly
>>> what container are you using?
>>>
>>> regards,
>>> Imran
>>>
>>>
>>> On Mon, May 7, 2012 at 6:40 PM, Paul Meems <bontepaar...@gmail.com>wrote:
>>>
>>>> Thanks Imran,
>>>>
>>>> After writing my mail to this list I've continued trying and found that
>>>> if I don't use palette: 'safe' in OpenLayers the speed is as expected:
>>>> fast.
>>>> The size of the tiles grow a bit (20%) but the overall speed
>>>> improvement is huge.
>>>>
>>>> I don't have a specific reason the use the palette option, I just came
>>>> across it while learning OL.
>>>>
>>>> I still want to know where the tiles go to on the server, just to
>>>> understand it better.
>>>>
>>>>
>>>> Thanks,
>>>>
>>>> Paul
>>>> --
>>>> Organizing the International Open Source GIS conference 2012 in The
>>>> Netherlands:
>>>> http://www.mapwindow.org/conference/2012/
>>>>
>>>>
>>>>
>>>> 2012/5/7 Imran Rajjad <raj...@gmail.com>
>>>>
>>>>> can you please post your openlayers code for that cached layer? and
>>>>> what j2ee container are you using?
>>>>>
>>>>> regards,
>>>>> Imran
>>>>>
>>>>> On Mon, May 7, 2012 at 5:05 PM, Paul Meems <bontepaar...@gmail.com>wrote:
>>>>>
>>>>>> Hi,
>>>>>>
>>>>>> I'm new to this list. I'm Paul I'm from The Netherlands and I'm in
>>>>>> the process of making a simple WebGIS with just viewing capabilities.
>>>>>> I have a cloud server running Ubunto. GeoServer v2.1.3 and PostGreSQL
>>>>>> v9.1 with PostGIS.
>>>>>>
>>>>>> All is running well except for the performance. It takes very long to
>>>>>> show my WMS data in OpenLayers.
>>>>>> I have enabled GeoWebCache and am using tiled: true, format:
>>>>>> 'image/png8' and palette: 'safe'.
>>>>>>
>>>>>> I have pre-seeded my layer and I see on the Cached Layers page of the
>>>>>> GeoServer admin that it is using 44MB.
>>>>>> So far so good, but somehow I'm not certain my OpenLayers application
>>>>>> is using these tiles. Also because I would suspect that even if I didn't
>>>>>> seeded correctly the tiles would be generated on the fly.
>>>>>> And thus following visits to my page would be faster. But my initial
>>>>>> start at zoom level 12 and I need 46 tiles, this takes between 2.5 and 3
>>>>>> minutes to load.
>>>>>> Much to slow!
>>>>>> The tile sizes are from 35kB - 290b.
>>>>>> This is the request I make;
>>>>>>
>>>>>> http://myIP/geoserver/myApp/wms?LAYERS=myLayername&FORMAT=image%2Fpng8&TRANSPARENT=TRUE&PALETTE=safe&TILED=true&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&STYLES=&SRS=EPSG%3A3857&BBOX=728903.50162598,6980840.9182568,733795.47143555,6985732.8880664&WIDTH=256&HEIGHT=256
>>>>>>
>>>>>> I tried looking for the tiles on my Ubunto server. I was expected a
>>>>>> directory structure with a lot of subdirs with numbers (zoomlevels, X and
>>>>>> Y) and eventually the png files.
>>>>>> But I can't find it. I must say I'm still a novice with Ubuntu so I
>>>>>> might not be searching correctly or the tiles are not saved to disk.
>>>>>>
>>>>>> Can anybody point me in the correct direction about solving this
>>>>>> performance issue?
>>>>>>
>>>>>> Thanks,
>>>>>>
>>>>>> Paul
>>>>>>
>>>>>> --
>>>>>> Organizing the International Open Source GIS conference 2012 in The
>>>>>> Netherlands:
>>>>>> http://www.mapwindow.org/conference/2012/
>>>>>>
>>>>>> ------------------------------------------------------------------------------
>>>>>> Live Security Virtual Conference
>>>>>> Exclusive live event will cover all the ways today's security and
>>>>>> threat landscape has changed and how IT managers can respond.
>>>>>> Discussions
>>>>>> will include endpoint security, mobile security and the latest in
>>>>>> malware
>>>>>> threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
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>>>>>> Geoserver-users mailing list
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>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> I.R
>>>>>
>>>>
>>>>
>>>>
>>>> ------------------------------------------------------------------------------
>>>> Live Security Virtual Conference
>>>> Exclusive live event will cover all the ways today's security and
>>>> threat landscape has changed and how IT managers can respond.
>>>> Discussions
>>>> will include endpoint security, mobile security and the latest in
>>>> malware
>>>> threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
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>>>>
>>>
>>>
>>> --
>>> I.R
>>>
>>
>>
>>
>> ------------------------------------------------------------------------------
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>> Exclusive live event will cover all the ways today's security and
>> threat landscape has changed and how IT managers can respond. Discussions
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>>
>
>
> --
> I.R
>
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