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List: qgis-user
Subject: Re: [Qgis-user] Export to GML in 3.28?
From: Even Rouault via QGIS-User <qgis-user () lists ! osgeo ! org>
Date: 2023-03-23 0:44:43
Message-ID: c7e2b9a4-1798-632a-d65d-8ebcfdfe504f () spatialys ! com
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Le 23/03/2023 à 01:25, Eric Ortmayr a écrit :
>
> Hi Evan,
>
> Thank you for the information, the document was very helpful.
>
> Since the default changed to GML3.2 do you think the FORMAT dropdown
> should include a GML2 option? I am not sure if this was missed or if
> this was done by design.
>
Good point ==> https://github.com/qgis/QGIS/pull/52350
>
> Regards,
>
> Eric
>
> *From:*Even Rouault <even.rouault@spatialys.com>
> *Sent:* March 21, 2023 5:24 PM
> *To:* Eric Ortmayr <eortmayr@crgl.ca>; qgis-user@lists.osgeo.org
> *Subject:* Re: [Qgis-user] Export to GML in 3.28?
>
> Le 22/03/2023 à 01:16, Eric Ortmayr via QGIS-User a écrit :
>
> Hello,
>
> Exporting to GML using version 3.16 results in a different
> coordinate format than in version 3.28. In 3.16 the X and Y values
> are separated by a comma (GML2?), but in 3.28 the X and Y values
> are separated by a space (GML3?) . Both exports were created using
> the <Default> FORMAT under the Datasource Options section in the
> Save Vector Layer as… dialog.
>
> Are the 3.16 and 3.28 <Default> FORMATS different by design? I
> checked the changelogs and could not find anything obvious.
>
> Yes, most file format export (and import) is done by GDAL. GDAL 3.4.0
> changed to GML 3.2 as the default variant of GML. Cf
> https://gdal.org/drivers/vector/gml.html#dataset-creation-options
> <https://can01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgdal.org%2Fdriver \
> s%2Fvector%2Fgml.html%23dataset-creation-options&data=05%7C01%7Ceortmayr%40crgl.ca%7 \
> Cc5533e1316c64ed7365c08db2a6baeba%7C2aa156d4b33c41688f39045b19f30a21%7C0%7C0%7C63815 \
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>
>
>
> --
> http://www.spatialys.com \
> <https://can01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.spatialys.com% \
> 2F&data=05%7C01%7Ceortmayr%40crgl.ca%7Cc5533e1316c64ed7365c08db2a6baeba%7C2aa156d4b3 \
> 3c41688f39045b19f30a21%7C0%7C0%7C638150414206590656%7CUnknown%7CTWFpbGZsb3d8eyJWIjoi \
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> My software is free, but my time generally not.
--
http://www.spatialys.com
My software is free, but my time generally not.
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<div class="moz-cite-prefix">Le 23/03/2023 à 01:25, Eric Ortmayr a
écrit :<br>
</div>
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<p class="MsoNormal">Hi Evan, <o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thank you for the information, the document
was very helpful.
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Since the default changed to GML3.2 do you
think the FORMAT dropdown should include a GML2 option? I am
not sure if this was missed or if this was done by design.
</p>
</div>
</blockquote>
Good point ==> <a class="moz-txt-link-freetext" \
href="https://github.com/qgis/QGIS/pull/52350">https://github.com/qgis/QGIS/pull/52350</a><br>
<blockquote type="cite"
cite="mid:YQXPR01MB46099E2EB94764715E2ACF92C7879@YQXPR01MB4609.CANPRD01.PROD.OUTLOOK.COM">
<div class="WordSection1">
<p class="MsoNormal"><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Regards, <o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Eric<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<div>
<div style="border:none;border-top:solid #E1E1E1
1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal"><b><span
style="mso-ligatures:none;mso-fareast-language:EN-CA"
lang="EN-US">From:</span></b><span
style="mso-ligatures:none;mso-fareast-language:EN-CA"
lang="EN-US"> Even Rouault
<a class="moz-txt-link-rfc2396E" \
href="mailto:even.rouault@spatialys.com"><even.rouault@spatialys.com></a> <br>
<b>Sent:</b> March 21, 2023 5:24 PM<br>
<b>To:</b> Eric Ortmayr <a class="moz-txt-link-rfc2396E" \
href="mailto:eortmayr@crgl.ca"><eortmayr@crgl.ca></a>;
<a class="moz-txt-link-abbreviated" \
href="mailto:qgis-user@lists.osgeo.org">qgis-user@lists.osgeo.org</a><br>
<b>Subject:</b> Re: [Qgis-user] Export to GML in \
3.28?<o:p></o:p></span></p> </div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p><o:p> </o:p></p>
<div>
<p class="MsoNormal">Le 22/03/2023 à 01:16, Eric Ortmayr via
QGIS-User a écrit :<o:p></o:p></p>
</div>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">Hello, <o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">Exporting to GML using version 3.16
results in a different coordinate format than in version
3.28. In 3.16 the X and Y values are separated by a comma
(GML2?), but in 3.28 the X and Y values are separated by a
space (GML3?) . Both exports were created using the
<Default> FORMAT under the Datasource Options section
in the Save Vector Layer as… dialog.
<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">Are the 3.16 and 3.28 <Default>
FORMATS different by design? I checked the changelogs and
could not find anything obvious.<o:p></o:p></p>
</blockquote>
<p>Yes, most file format export (and import) is done by GDAL.
GDAL 3.4.0 changed to GML 3.2 as the default variant of GML.
Cf
<a
href="https://can01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgdal.org%2Fdri \
vers%2Fvector%2Fgml.html%23dataset-creation-options&data=05%7C01%7Ceortmayr%40crgl \
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moz-do-not-send="true">
https://gdal.org/drivers/vector/gml.html#dataset-creation-options</a><o:p></o:p></p>
<p class="MsoNormal"><span
style="mso-ligatures:none;mso-fareast-language:EN-CA"><br>
<br>
<o:p></o:p></span></p>
<pre>-- <o:p></o:p></pre>
<pre><a href="https://can01.safelinks.protection.outlook.com/?url=http%3A%2F%2 \
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moz-do-not-send="true">http://www.spatialys.com</a><o:p></o:p></pre>
<pre>My software is free, but my time generally not.<o:p></o:p></pre>
</div>
</blockquote>
<pre class="moz-signature" cols="72">--
<a class="moz-txt-link-freetext" \
href="http://www.spatialys.com">http://www.spatialys.com</a> My software is free, but \
my time generally not.</pre> </body>
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