[OpenLayers-Dev] XmlHttpRequest streams ?

[Guillaume Sueur]

Thanks for this link Paul.
But I must admit I don't really see the point here. Images in HTML can
already be changed on the fly. What is the difference between Google's
example :
image.src =
ajaxPicture("http://www.google.com/intl/en_ALL/images/logo.gif" );
(AjaxPicture being the XMLHttp function to get the 'responseStream' stuff)

AND

image.src = "http://www.google.com/intl/en_ALL/images/logo.gif" ?

Did I miss something ? Does it allow to handle easier already in cache
images URLS ?

Cheers,

Guillaume

Paul Spencer a écrit :
> Here is a quite well written article about the XmlHttpRequest object,  
> nothing stunningly new ...
> 
> http://code.google.com/support/bin/answer.py?answer=79663&topic=11366
> 
> except this was news to me:
> 
> http://code.google.com/support/bin/answer.py?answer=79663&topic=11366#scenario1
> 
> Apparently you can access responseStream member and assign it to an  
> image src to do 'ajax' loading of images.  I'm wondering if this might  
> provide more reliable error handling for tile loading.
> 
> Paul
> 
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> |Paul Spencer                          pspencer at dmsolutions.ca    |
> +-----------------------------------------------------------------+
> |Chief Technology Officer                                         |
> |DM Solutions Group Inc                http://www.dmsolutions.ca/ |
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Guillaume SUEUR
Expert SIG et OpenSource
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