[qgis-qwc2] Projection issue with QWC2

Sandro Mani manisandro at gmail.com
Thu Mar 1 05:00:52 PST 2018


Hi

It is using EPSG:4326 because it reads EX_GeographicBoundingBox from the 
extents which is lat/lon.

Are you using the latest git master of QWC2? I set the bbox you 
specified in the demo wolfsburg theme and I get an initial extent 
centered approx in Dortmund, so doesn't look that wrong.

Sandro


On 01.03.2018 13:52, GOERKE Sebastian wrote:
>
> Hi Sandro,
>
> here is the extent from the generated themes.json:
>
> "bbox": {
>
> "crs": "EPSG:4326",
>
> "bounds": [
>
> 4.07475,
>
> 50.1364,
>
> 11.3218,
>
> 52.6646
>
>           ]
>
>         },
>
> "initialBbox": {
>
> "crs": "EPSG:4326",
>
> "bounds": [
>
> 4.07475,
>
> 50.1364,
>
> 11.3218,
>
> 52.6646
>
>           ]
>
>         },
>
> I am just wondering, why it´s using EPSG:4326 but the bounds are 
> looking ok for my WMS extent.
>
> Best regards
>
> Sebastian
>
> *
> **Sebastian GOERKE*
>
> Consultant
>
> *Sopra Steria Consulting***
>
> Sopra Steria AG
> Barcelona-Allee 1
> 51103 Köln - Deutschland
> Phone: +49 221 92404-8958 - Mobile: +49151 40625945
> sebastian.goerke at soprasteria.com 
> <mailto:sebastian.goerke at soprasteria.com> - www.soprasteria.de 
> <http://www.soprasteria.de/>
>
>
> <https://www.linkedin.com/company/soprasteria><https://www.facebook.com/soprasteria.de><https://twitter.com/SopraSteria_de><https://www.xing.com/company/soprasteria><http://digitale-exzellenz.de/>
>
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> *Von:*Sandro Mani [mailto:manisandro at gmail.com]
> *Gesendet:* Donnerstag, 1. März 2018 13:49
> *An:* GOERKE Sebastian <sebastian.goerke at soprasteria.com>; 
> qgis-qwc2 at lists.osgeo.org
> *Betreff:* Re: AW: [qgis-qwc2] Projection issue with QWC2
>
> Hi Sebastain
>
> What extent does the generated themes.json contain?
>
> Best
> Sandro
>
> On 01.03.2018 13:40, GOERKE Sebastian wrote:
>
>     Hi Sandro,
>
>     the themesConfig.json does not contain extent information, so QWC2
>     should use the extent from the QGIS Server, right? But there is
>     something going wrong then. The extent of the WMS is an area in
>     Germany and I want QWC2 to use that. Instead the QWC2 client shows
>     an area around the Ukraine. I tried some configuration like
>     switching the default WMS version because I am aware of the
>     different axis order handling between 1.1.1 and 1.3.0 but nothing
>     changed.
>
>     What´s interesting about my QGIS Server WMS is that x and y axis
>     are interchanged in version 1.3.0 following my understanding that
>     x is longitude and y is latitude.  But the WMS service works
>     correctly while using it within QGIS. So, for me, there is an
>     issue within the configuration of my QWC2 instance or within the
>     interpretation of the extents within the WMS.
>
>     The question is, which adjustments can I make to solve the issue
>     or how I can identify the reason for the wrong behavior.
>
>     Best Regards
>
>     Sebastain
>
>     *
>     **Sebastian GOERKE*
>
>     Consultant
>
>     *Sopra Steria Consulting*
>
>     Sopra Steria AG
>     Barcelona-Allee 1
>     51103 Köln - Deutschland
>     Phone: +49 221 92404-8958 - Mobile: +49151 40625945
>     sebastian.goerke at soprasteria.com
>     <mailto:sebastian.goerke at soprasteria.com> - www.soprasteria.de
>     <http://www.soprasteria.de/>
>
>
>     <https://www.linkedin.com/company/soprasteria><https://www.facebook.com/soprasteria.de><https://twitter.com/SopraSteria_de><https://www.xing.com/company/soprasteria><http://digitale-exzellenz.de/>
>
>     Before printing, think about the environment.
>     The content of this message may be confidential, legally
>     privileged and protected by law. Unauthorized use, copying or
>     disclosure of any of it may be unlawful. If you are not the
>     intended recipient please notify the sender and remove it from
>     your system. While attachments to this e-mail are checked for
>     viruses, we do not accept any liability for any damage sustained
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>
>     *Von:*qgis-qwc2 [mailto:qgis-qwc2-bounces at lists.osgeo.org] *Im
>     Auftrag von *Sandro Mani
>     *Gesendet:* Donnerstag, 1. März 2018 13:16
>     *An:* qgis-qwc2 at lists.osgeo.org <mailto:qgis-qwc2 at lists.osgeo.org>
>     *Betreff:* Re: [qgis-qwc2] Projection issue with QWC2
>
>     Hi
>
>     Is the extent being overridden in themesConfig.json? If not, the
>     initial extent is just read from the WMS capabilities, i.e.
>     EX_GeographicBoundingBox of the root layer. Also, make sure that
>     the used projection appropriate for Ukraine.
>
>     Sandro
>
>     On 01.03.2018 08:55, GOERKE Sebastian wrote:
>
>         Hi all,
>
>         I am currently trying a bit arround with qwc2 and it seems for
>         us to be a perfect solution for several customers, as the data
>         specific part can more or less completely be done within QGIS
>         itself by the customers.
>
>         Now I am facing issues with map projections. The client sets a
>         bbox around the Ukraine instead of Middle-Europe. I checked
>         the QGIS Server WMS Capabilities and tested the WMS service by
>         adding it to QGIS and everything works just fine. Even if I
>         pan to Germany within my QWC2 map, the layers are displayed
>         correctly. It is just the initial bbox within the client which
>         is strange.
>
>         Within the attachment you can find the capabilities file from
>         QGIS Server and my themesConfig.json. Maybe someone has an
>         idea what my issue is about J
>
>         Best Regards
>
>
>         Sebastian
>
>         *
>         **Sebastian GOERKE*
>
>         Consultant
>
>         *Sopra Steria Consulting*
>
>         Sopra Steria AG
>         Barcelona-Allee 1
>         51103 Köln - Deutschland
>         Phone: +49 221 92404-8958 - Mobile: +49151 40625945
>         sebastian.goerke at soprasteria.com
>         <mailto:sebastian.goerke at soprasteria.com> - www.soprasteria.de
>         <http://www.soprasteria.de/>
>
>
>         <https://www.linkedin.com/company/soprasteria><https://www.facebook.com/soprasteria.de><https://twitter.com/SopraSteria_de><https://www.xing.com/company/soprasteria><http://digitale-exzellenz.de/>
>
>         Before printing, think about the environment.
>         The content of this message may be confidential, legally
>         privileged and protected by law. Unauthorized use, copying or
>         disclosure of any of it may be unlawful. If you are not the
>         intended recipient please notify the sender and remove it from
>         your system. While attachments to this e-mail are checked for
>         viruses, we do not accept any liability for any damage
>         sustained by viruses.
>
>         Sopra Steria Consulting is the trading name of:
>         Sopra Steria AG - Vorsitzender des Aufsichtsrates: Vincent
>         Paris - Vorstand: Urs Michael Krämer - Sitz der Gesellschaft:
>         Hamburg - HR B 148540 Amtsgericht Hamburg - USt-ID-Nr.:
>         DE118671351
>
>
>
>
>
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>
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>
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>
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>
>     Sopra Steria Consulting is the trading name of:
>     Sopra Steria AG - Vorsitzender des Aufsichtsrates: Vincent Paris -
>     Vorstand: Urs Michael Krämer - Sitz der Gesellschaft: Hamburg - HR
>     B 148540 Amtsgericht Hamburg - USt-ID-Nr.: DE118671351
>
> Sopra Steria Consulting is the trading name of:
> Sopra Steria AG - Vorsitzender des Aufsichtsrates: Vincent Paris - 
> Vorstand: Urs Michael Krämer - Sitz der Gesellschaft: Hamburg - HR B 
> 148540 Amtsgericht Hamburg - USt-ID-Nr.: DE118671351

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