To be clear, I personally don't have a problem with 1.1.1. My concern
is about version negotiation as a WMS client. I've seen users omit the
version and then when something doesn't behave as expected, they
manually (in a web browser) make a request as follows:
http://www.example.com?request=GetCapabilities&service=WMS
But as well all know, that'd return a WMS 1.3.0 service capabilities
document (assuming the server supports 1.3.0). So they look at that
document and cannot identify the problem. Then they fuddle around and
eventually realize that GDAL overrides the version and it makes a
request as follows:
http://www.example.com?request=GetCapabilities&service=WMS&version=1.1.1
I think WMS 1.3.0 has been annoying since day one, especially with
attention to axis ordering (ISO-ifying). *cough, cough* However, I
can't recall seeing a server that didn't support 1.3.0. I have no
objection about a user choosing a default version to use by explicitly
specifying it. My objection is that if a version is omitted, the
software chooses an old default (which doesn't fit into typical version
negotiation with a server) which can cause confusion.
I'm wondering if we're past the 1.3.0 "hate-on" yet? :) It does seem a
bit "big brother" to peg OWS client negotiation to a old version in a
library. I assume there are reasons, and I've been the first in this
thread to cite possibly the biggest one.
Thanks for your feedback so far. Everyone loves a good WMS 1.3.0
discussion :)
Tim
On 02/03/2016 9:58 AM, Timothy Astle wrote:
Does anyone know why the WMS Driver defaults to version 1.1.1 instead
of 1.3.0 by default? Does anyone have any objections with this
changing to 1.3.0? It seems like 1.3.0 would fall more into line with
the specifications content negotiation.
https://github.com/OSGeo/gdal/blob/trunk/gdal/frmts/wms/wmsdriver.cpp#L96
http://www.gdal.org/frmt_wms.html
"WMS version. (optional, defaults to 1.1.1)"
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