[OpenLayers-Users] Suggestion for hosting platform?

David Fawcett david.fawcett at gmail.com
Thu Apr 22 11:25:50 EDT 2010




On Fri, Apr 16, 2010 at 11:50 AM, Eric Lemoine
<eric.lemoine at camptocamp.com> wrote:
> On Fri, Apr 16, 2010 at 3:54 PM, David Fawcett <david.fawcett at gmail.com> wrote:
>> Jeff,
>> I sounds like OpenLayers with a WMS or TileCache or tiled WMS layer
>> would work for you.  Even if you used a pre-rendered tile backend, I
>> believe that you could still send WMS getFeatureInfo requests to a WMS
>> server (you would need to keep the data in sync though).
>> If KaMap wasn't performing well for you, I don't think that just
>> because KaMap was built on phpMapScript, you should assume that you
>> will get the same performance from MapServer.
>> MapServer can serve up WMS pretty well.  You can look at a comparison
>> of MapServer and GeoServer in the FOSS4G WMS shootout.
>> http://www.slideshare.net/gatewaygeomatics.com/wms-performance-shootout
>> The trick to serving any of this data quickly is making sure that you
>> have pre-processed and optimized/indexed your data as much as possible
>> to reduce the amount of processing that has to happen at the time of a
>> request.  As for MapServer vector data sources, I believe that the
>> common thought is that shapefiles are still faster, but PostGIS
>> performance has been significantly improved in the past few years.  In
>> cases where your data is more complex, you have more complicated
>> filtering needs, or your data changes frequently, the flexibility of
>> PostGIS is worth the small performance hit.  MapServer also has
>> support for SQL Server.
>> David.
>> If you are familiar with MapServer, you can use it to pre-render the
>> tiles for your TileCache or WMS-T.
> David, I guess you meant WMS-C, no?
> --
> Eric Lemoine
> Camptocamp France SAS
> Savoie Technolac, BP 352
> 73377 Le Bourget du Lac, Cedex
> Tel : 00 33 4 79 44 44 96
> Mail : eric.lemoine at camptocamp.com
> http://www.camptocamp.com

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