Hi,

Fairly new to open Layers, and looking for some advice and hopefully pointed in 
the right direction.

Looking to develop web mapping for internet clients using OpenLayers.  Mapping 
will come from a SOAP web service (NOT WMS) behind a firewall.  For security 
reasons we don't want to make this SOAP service available on the internet, and 
have the idea that we could develop a sort of proxy, or facade that will sit 
between OpenLayers in the client browsers, and the SOAP service to handle image 
requests.  The idea is that we then only need to allow access to the SOAP ws 
from the proxy.  This will proxy will probably be a php componenet in an 
existing php site.  The url property of the OpenLayers.Layer will point to this 
proxy, and the proxy will simply pull out parameters from the request such as 
BBOX, layers, and present them to the SOAP ws.  A base64 image string will come 
back from the ws, and the image will be returned to the client.

So, does this sound like a goer?  What do I need to think about?  What 
OpenLayers.Layer type should I use?  Was thinking OpenLayers.Layer.HTTPRequest? 
 Appropriate?  Any performance considerations with this?  Any considerations 
for still being able to use the OpenLayers functionality in full?

Any advice gratefully recieved. 

Ian

Ian Feeney
Senior Consultant (Systems)
Forth Valley GIS Ltd.
Drummond House
Wellgreen Place
Stirling
FK8 2DY
 
Tel:       01786 443939
Fax:      01786 443987
Email:   feen...@forthvalleygis.co.uk
Web:    www.forthvalleygis.co.uk 
 
For Support & Training please call  01786 443930


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