[QGIS-Developer] [Qgis-user] Questions of a newbie starting with QGIS Server

Thu Apr 21 03:00:32 PDT 2022

Hi Rosa, Alessandro

Thanks for your suggestions. I will go read the docs and see what I can
output.

Regards,
Harrissou

Le jeu. 21 avr. 2022 à 10:10, Alessandro Pasotti <apasotti at gmail.com> a
écrit :

> Hi,
>
> As Richard mentioned, the old XML-based OGC WMS/WFS/WCS & C. protocols are
> plain API protocols and do not provide a full browseable website, they were
> designed for machine2machine communications.
>
> OAPIF (AKA WFS3) provides a full website though, but the protocol mandates
> URL rewriting, which means that it won't work out of the box unless you
> configure your web server to transform an URL to instruct QGIS server which
> QGIS project you want to actually serve.
>
> The other option, as Rosa suggestd is to use the new QGIS server catalog,
> is also requires rewrite of the URL but a much simpler one because the
> catalog itself takes care of creating rewrite rules for all the QGIS
> projects that are listed in one of more directories or DB connections for
> QGIS projects stored into a PG DB.
>
> I'm not sure about windows, but you might also have a look at the
> standalone development server, it integrates a web server and it is
> supposed to work out of the box with (almost) zero configuration.
>
> Cheers
>
>
> On Thu, Apr 21, 2022 at 9:53 AM Aguilar Bolivar, Rosa (UT-ITC) via
> QGIS-Developer <qgis-developer at lists.osgeo.org> wrote:
>
>> Hi, Harrisou
>>
>> You could try the catalog (
>> https://docs.qgis.org/3.22/en/docs/server_manual/catalog.html) to
>> explore your projects.
>> I also used to the catalog to check the configuration of my projects,
>> e.g., that the server had access to the sources (DB), etc.
>>
>> Best regards,
>>
>> Rosa
>>
>>
>>
>> -----Original Message-----
>> From: Qgis-user <qgis-user-bounces at lists.osgeo.org> On Behalf Of Richard
>> Duivenvoorde via Qgis-user
>> Sent: Wednesday, April 20, 2022 8:24 PM
>> To: Harrissou s. <delazj at gmail.com>; qgis-user at lists.osgeo.org;
>> qgis-developer at lists.osgeo.org
>> Subject: Re: [Qgis-user] [QGIS-Developer] Questions of a newbie starting
>> with QGIS Server
>>
>> Hi Harrissou,
>>
>> I think your pretty close :-)
>>
>> Some remarks from the times I installed on Windows:
>> - I used a vanilla apache installer from https://www.apachelounge.com/
>> - indeed used the httpd.conf from osgeo4w to set all paths and env vars,
>> VERY convenient
>> - are you sure the Qt vs qt is an issue? Thought Windows paths were not
>> case sensitive?
>>
>> The GDAL_DATA path you will need when you use for example the ECW or
>> other drivers QGIS_AUTH_DB_DIR_PATH is maybe only needed when you have a
>> project which uses authentication profiles? Others?
>>
>> When you have a WMS/WFS server running normally you do not have a web app
>> yet.
>> You either use the WMS of WFS as datasource in QGIS (or other clients) or
>> you use OpenLayer/Leaflet to create an app in a browser using javascript.
>>
>> Alessandro also created a landing page for WFS3/OGC API:
>> https://docs.qgis.org/3.22/en/docs/server_manual/services/ogcapif.html
>> but I found that sometimes tricky to setup...
>>
>> Maybe others can share more info/experience
>>
>> Regards,
>>
>> Richard Duivenvoorde
>>
>>
>>
>>
>> On 4/20/22 18:58, Harrissou s. via QGIS-Developer wrote:
>> > Hi QGISers (sorry for cross-posting)
>> >
>> > I'm trying to setup a QGIS Server... on Windows and I'd like to share
>> > some suggestions/issues I faced in the process and ultimately ask for
>> > help on a bigger issue.
>> > I'm following the QGIS documentation instructions [0] and took the
>> > opportunity to update the docs[1][2], given that osgeo4w provides
>> > means to install apache. Review welcome, thanks.
>> >
>> > In the docs, it is suggested to add at the end of the httpd.conf file
>> > a set of variables. But I notice that *most* of them are already set
>> > in the httpd_qgis.conf file that is #included at the end of the
>> > httpd.conf file. I hence ignored the addition but, Questions:
>> > - are the GDAL_DATA and QGIS_AUTH_DB_DIR_PATH necessary for any purpose?
>> > - If so, for what? And is it possible (does it make sense) to add them
>> > to the httpd_qgis.conf file also?
>> >
>> > - Issue report: I think there is a typo in the httpd_qgis.conf file
>> > setting PATH and QT_PLUGIN_PATH. It mentions apps/qt5/ while it should
>> > be apps/Qt5/ (uppercase Q).
>> >
>> > In my process, I didn't set the gdal or db paths above, I fixed the
>> > uppercase typo and when I tested I could get a reply for
>> > GetCapabilities as in the docs. Using the QGIS training project, I
>> could do a GetMap which successfully returned my map canvas image. Good! My
>> server is OP!
>> > Well, this is where I got lost. I thought the request would output in
>> > the browser some image i could zoom in, pan, maybe identify... But NO,
>> > I got a plain, static image. What am I supposed to do next? How can I
>> > make my project queryable, zoomable, pannable, anythingable... in a web
>> browser?
>> > I might have overlooked, but the docs does not seem t provide any
>> > information for newbies like me, for the next step. Where should I
>> > look now? Your help to get out of this trouble would be much
>> appreciated. Thanks.
>> >
>> > Regards,
>> > Harrissou
>> >
>> > [0]
>> > https://docs.qgis.org/3.22/en/docs/server_manual/getting_started.html#
>> > installation-on-windows
>> > <https://docs.qgis.org/3.22/en/docs/server_manual/getting_started.html
>> > #installation-on-windows>
>> > [1] reading:
>> > https://github.com/DelazJ/QGIS-Documentation/blob/installQGISServerWin
>> > dows/docs/server_manual/getting_started.rst
>> > <https://github.com/DelazJ/QGIS-Documentation/blob/installQGISServerWi
>> > ndows/docs/server_manual/getting_started.rst>
>> > [2] pull-request: https://github.com/qgis/QGIS-Documentation/pull/7508
>> > <https://github.com/qgis/QGIS-Documentation/pull/7508>
>> >
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>
>
> --
> Alessandro Pasotti
> QCooperative:  www.qcooperative.net
> ItOpen:   www.itopen.it
>
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