[Qgis-user] where to install qgis-web-client on Mac OSX 10.8.4

Marcel Stadelmann marcel.stadelmann at gmx.net
Thu Jul 11 02:31:02 PDT 2013 

Hi Bernhard, Andreas,

Now in QGIS it works, but not in the browser (see below). 

Following I describe what I did to test if the QGIS Server is running, so maybe somebody else can learn from it. I know it's quite basic, but in the beginning it may help. I think in my case, it was a path problem.
1. Copy the alaska.shp (+ prj, dbf, shx) to /Library/WebServer/Documents/ (This is the Web root with Admin rights)
2. In QGIS save a project according the QGIS User Manual 1.8 Chapter QGIS Server in /Library/WebServer/Documents/
3. Make sure when reopen the QGIS project from /Library/WebServer/Documents/ it finds still all the layers. (One of my mistakes was, that I moved the project file afterwards into this folder and QGIS couldn't find anymore the alaska.shp file. I thought the layer paths are absolute, but they are not.)
4. Open a new project and set the crs (i.e. EPSG:2964). Then add a wms-layer.
5. Connect to localhost with the following url: http://localhost/qgis-mapserv/qgis_mapserv.fcgi?map=/Library/WebServer/Documents/alaska.qgs
6. 3 layers appear, add the first one.
7. Verify the data are shown.

Am 11.07.2013 um 08:09 schrieb Bernhard Ströbl <bernhard.stroebl at jena.de>:

> Hi Marcel,
> 
> I guess now it is time to check for correctness of the srs.
> Which srs is the alaska project and data in? Is it EPSG:2964 as your GetMap request suggests?
> Take the GetMap-url and enter it in the browser. Do you get an error message or a white image? If you get a white image than there is no data in the bounding box for which you request your image.
> 
The url: http://localhost/qgis-mapserv/qgis_mapserv.fcgi?map=/Library/WebServer/Documents/alaska.qgs&SERVICE=WMS&REQUEST=GetMap gives this error massage:
Output format '' is not supported in the GetMap request

What could cause this message?

> Make sure to use the same srs in
> 1) the server project
> 2) the data being served with that project
> 3) your client project (i.e. the project in QGIS desktop you are trying to load maps into)
I made sure that CRS is everywhere EPSG:2964, but it was not the problem.

> 
> Bernhard
> 
> Am 10.07.2013 21:59, schrieb Marcel Stadelmann:
>> Hi Andreas,
>> 
>> yes, with the map parameter I could go a step further, the alaska layer appeared. But while trying to import it, the following internal server error was shown:
>> 
>> Kartenabfrage-Fehler [Fehler:Error downloading http://localhost/qgis-mapserv/qgis_mapserv.fcgi?map=/Library/WebServer/Documents/alaska.qgs&&SERVICE=WMS&VERSION=1.3.0&REQUEST=GetMap&BBOX=-15256791.5967269185930490,482471.5356363095343113,15452694.4898276831954718,30602207.0081926248967648&CRS=EPSG:2964&WIDTH=1084&HEIGHT=1063&LAYERS=alaska&STYLES=&FORMAT=image/jpeg&DPI=72&MAP_RESOLUTION=72&FORMAT_OPTIONS=dpi:72 - server replied: Internal Server Error; URL: http://localhost/qgis-mapserv/qgis_mapserv.fcgi?map=/Library/WebServer/Documents/alaska.qgs&&SERVICE=WMS&VERSION=1.3.0&REQUEST=GetMap&BBOX=-15256791.5967269185930490,482471.5356363095343113,15452694.4898276831954718,30602207.0081926248967648&CRS=EPSG:2964&WIDTH=1084&HEIGHT=1063&LAYERS=alaska&STYLES=&FORMAT=image/jpeg&DPI=72&MAP_RESOLUTION=72&FORMAT_OPTIONS=dpi:72]
>> 
>> The layer was somehow imported, i.e. i can open the preferences, but no data are shown.
>> 
>> Any idea?
>> 
>> Thank you
>> Marcel
>> 
>> Am 10.07.2013 um 21:15 schrieb Andreas Neumann<a.neumann at carto.net>:
>> 
>>> Hi Marcel,
>>> 
>>> You are missing the project file. Did you read the QGIS server tutorial?
>>> See
>>> http://hub.qgis.org/projects/quantum-gis/wiki/QGIS_Server_Tutorial#Map-parameter
>>> 
>>> Otherwise the server can't know what project you want to access.
>>> 
>>> First you should start with a map parameter - later on, esp. in a
>>> production environment - you should configure Apache rewriting.
>>> 
>>> I don't think that OSX is too different from Linux - it least it is more
>>> similar than Windows.
>>> 
>>> Andreas
>>> 
>>> 
>>> 
>>> Am 10.07.2013 18:33, schrieb Marcel Stadelmann:
>>>> 
>>>> Am 10.07.2013 um 16:58 schrieb Andreas Neumann<a.neumann at carto.net>:
>>>> 
>>>>> Hi Marcel,
>>>>> 
>>>>> If the GetCapabilities command is answering it means that at least parts
>>>>> of the QGIS server is running ok.
>>>>> 
>>>>> The WMS server supports the following commands:
>>>>> 
>>>>> GetCapabilities
>>>>> GetMap
>>>>> GetLegendGraphic
>>>>> GetFeatureInfo
>>>>> GetPrint
>>>>> 
>>>>> The GetCapabilities is always at the start of a session or connection to
>>>>> get the service metadata.
>>>>> 
>>>>> In your case it looks like a CRS issue. You should make sure that in
>>>>> your new empty test project you specify the same projection as in the
>>>>> Alaska sample project. There are reprojection options - but for a start
>>>>> it is easier if server and client are in the same projection. It will
>>>>> also be faster if no reprojection has to be done.
>>>> I tried, but no success. After I delete the /Library/WebServer/Documents/alaska.qgs file, still 1 layer was showing up while adding a WMS-Layer. It means the behaviour of the WMS-Connection is the same with or without the project file alaska.qgs. So, it's probably not a CRS issue. It seems that the QGIS Server doesn't see the alaska project file at all.
>>>> 
>>>> I connect to the localhost with the url http://localhost/qgis-mapserv/qgis_mapserv.fcgi? ->  Is this correct?
>>>> 
>>>> In the QGIS user manual (Chapter QGIS Server) it says that a copy of  qgis_mapserv.fcgi is needed for Linux. But how is it for an OSX? I found this file in /Applications/QGIS.app/Contents/MacOS/fcgi-bin/ and put also a copy of it in /Library/WebServer/Documents/. But somehow I don't understand how it works… I afraid my QGIS Server configuration is not correct. But at this point I'm lost.
>>>> 
>>>> Is there somewhere a documentation for OSX that explains which file has to be in which folder?
>>>> 
>>>>> 
>>>>> Once QGIS works fine as a client, you can go on and configure QGIS web
>>>>> client. Before, it makes no sense and you should first fix the server.
>>>>> 
>>>>> Andreas
>>>>> 
>>>>> 
>>>>> Am 10.07.2013 16:34, schrieb Marcel Stadelmann:
>>>>>> Hello Andreas,
>>>>>> 
>>>>>> I try to do the Alaska example described in the QGIS Documentation, chapter QGIS Server (http://docs.qgis.org/1.8/html/de/docs/user_manual/working_with_ogc/ogc_server_support.html).
>>>>>> 
>>>>>> The problem is, that this example is for Linux. On OSX some things seem to be a bit different, especially the paths. I saved the project file with the new project settings in  /Library/WebServer/Documents/alaska.qgs.
>>>>>> 
>>>>>> In order to test if my QGIS server is running ok, I did two tests:
>>>>>> 1. In Safari I put the following url:
>>>>>> http://localhost/qgis-mapserv/qgis_mapserv.fcgi?map=/Library/WebServer/Documents/alaska.qgs&SERVICE=WMS&REQUEST=GetCapabilities
>>>>>> 
>>>>>> the browser answers with the following message:
>>>>>> WMS  Test test text/xml image/jpeg image/png image/png; mode=16bit image/png; mode=8bit image/png; mode=1bit text/plain text/html text/xml image/jpeg image/png text/xml svg png pdf text/xml
>>>>>> alaska  -179.843 178.454 48.0545 72.2621
>>>>>> 
>>>>>> I thought this means the server is running. No map is shown because I still haven't installed the QGIS client. So far so good.
>>>>>> 
>>>>>> 2. In QGIS I wanted to add a WMS-Layer. I connected to the localhost with the following url:
>>>>>> http://localhost/qgis-mapserv/qgis_mapserv.fcgi?
>>>>>> 
>>>>>> It shows up 1 layer with ID 0 and name wfslayer, but nothing more. When I select this layer, it is not possible to import it. It says: Kein gemeinsames KBS für gewählte Layer. So, I don't know if my QGIS Server is running ok.
>>>>>> 
>>>>>> Marcel
>>>>>> 
>>>>>> Am 10.07.2013 um 14:34 schrieb Andreas Neumann<a.neumann at carto.net>:
>>>>>> 
>>>>>>> Marcel,
>>>>>>> 
>>>>>>> Do you mean the layers don't appear in QGIS or in QGIS web client? This
>>>>>>> is an important distinction.
>>>>>>> 
>>>>>>> The first means that QGIS server is not installed and configured
>>>>>>> correctly, the other means that QGIS server is running ok and you have a
>>>>>>> web client configuration problem.
>>>>>>> 
>>>>>>> I know - the getting started it is a bit hard, esp. if you are on OSX or
>>>>>>> Windows where there are fewer users. Most existing users install and run
>>>>>>> QGIS server on Linux.
>>>>>>> 
>>>>>>> Andreas
>>>>>>> 
>>>>>>> Am 09.07.2013 19:21, schrieb Marcel Stadelmann:
>>>>>>>> Sorry, I don't get it.
>>>>>>>> 
>>>>>>>> I can connect form QGIS Desktop as a WMS-Client to QGIS Server, but the Layers don't appear.
>>>>>>>> 
>>>>>>>> Does somebody know a step by step instruction how to configure a simple example on OSX?
>>>>>>>> 
>>>>>>>> Thanks and regards,
>>>>>>>> Marcel
>>>>>>>> 
>>>>>>>> Am 09.07.2013 um 18:11 schrieb Bernhard Ströbl<bernhard.stroebl at jena.de>:
>>>>>>>> 
>>>>>>>>> anywhere you like and Apache can access them (on a Linux system file permissions must match, I put them in a subdirectory of /srv/www)
>>>>>>>>> 
>>>>>>>>> Bernhard
>>>>>>>>> 
>>>>>>>>> Am 09.07.2013 17:59, schrieb Marcel Stadelmann:
>>>>>>>>>> Where can I see the path to QGIS WMS Server directory? I don't know
>>>>>>>>>> where to save the *.qgs files, so that the QGIS server can find it.
>>>>>>>>>> 
>>>>>>>>>> Thanks and regards,
>>>>>>>>>> Marcel
>>>>>>>>>> 
>>>>>>>>>> Am 09.07.2013 um 16:36 schrieb Marcel Stadelmann
>>>>>>>>>> <marcel.stadelmann at gmx.net<mailto:marcel.stadelmann at gmx.net>>:
>>>>>>>>>> 
>>>>>>>>>>> Hi Bernhard,
>>>>>>>>>>> 
>>>>>>>>>>> Thanks for the answers.
>>>>>>>>>>> Am 09.07.2013 um 15:20 schrieb Bernhard Ströbl
>>>>>>>>>>> <bernhard.stroebl at jena.de<mailto:bernhard.stroebl at jena.de>>:
>>>>>>>>>>> 
>>>>>>>>>>>> Hi Marcel,
>>>>>>>>>>>> 
>>>>>>>>>>>> the way to call your QGIS server is something like:
>>>>>>>>>>>> http://localhost/qgis-mapserv/qgis_mapserv.fcgi?map=<path_to_your_map>/yourmap.qgs?REQUEST=GetCapabilities&SERVICE=WMS&VERSION=1.3
>>>>>>>>>>>> <http://localhost/qgis-mapserv/qgis_mapserv.fcgi?map=%3Cpath_to_your_map%3E/yourmap.qgs?REQUEST=GetCapabilities&SERVICE=WMS&VERSION=1.3>
>>>>>>>>>>>> to get the server's capabilites
>>>>>>>>>>>> be sure to know the possible requests a WMS server can reply to, see
>>>>>>>>>>>> e.g. [1]
>>>>>>>>>>>> 
>>>>>>>>>>>> The client accesses the server and not vice versa.
>>>>>>>>>>> Ok, I think I understand the philosophy.
>>>>>>>>>>> 
>>>>>>>>>>>> 
>>>>>>>>>>>> Steps to do:
>>>>>>>>>>>> 1) Install QGIS server (done)
>>>>>>>>>>>> 2) Feed QGIS server with a qgis project (*.qgs file)
>>>>>>>>>>> I saved a QGIS test project with wms capabilites under
>>>>>>>>>>> /Users/Marcello/Downloads/test/alaska.qgs
>>>>>>>>>>> 
>>>>>>>>>>> The reply of
>>>>>>>>>>> http://localhost/qgis-mapserv/qgis_mapserv.fcgi?map=/Users/Marcello/Downloads/test/alaska.qgs&SERVICE=WMS&REQUEST=GetCapabilities
>>>>>>>>>>> <http://localhost/qgis-mapserv/qgis_mapserv.fcgi?map=/Users/Marcello/Downloads/test/alaska.qgs&SERVICE=WMS&REQUEST=GetCapabilities>
>>>>>>>>>>> in Safari is:
>>>>>>>>>>> Configuration file problem : perhaps you left off the .qgs extension?
>>>>>>>>>>> 
>>>>>>>>>>> Does the project path need special permissions?
>>>>>>>>>>> 
>>>>>>>>>>>> 3) access QGIS server from a WMS client (e.g. QGIS desktop) to verify
>>>>>>>>>>>> it is running and delivers maps.
>>>>>>>>>>> Isn't it easier to test this with Safari? In QGIS I tried to load the
>>>>>>>>>>> alaska layer through "add wms-layer". But i couldn't connect to my
>>>>>>>>>>> localhost. I don't know what url exactly is needed. I tried with
>>>>>>>>>>> http://localhost/Users/Marcello/Downloads/test/alaska.qgs but its not
>>>>>>>>>>> working. The message was:
>>>>>>>>>>> Antwort nicht verstanden. Der wms-Provider sagte:
>>>>>>>>>>> Eigenschaften-Abfrage gescheitert: Error downloading
>>>>>>>>>>> http://localhost/Users/Marcello/Downloads/test/alaska.qgs?SERVICE=WMS&REQUEST=GetCapabilities
>>>>>>>>>>> <http://localhost/Users/Marcello/Downloads/test/alaska.qgs?SERVICE=WMS&REQUEST=GetCapabilities>
>>>>>>>>>>> - server replied: Not Found
>>>>>>>>>>> 
>>>>>>>>>>>> 4) install and configure QWC, see [2]
>>>>>>>>>>> Where are this kind of projects normally saved in OSX? I think the QWC
>>>>>>>>>>> files needs to be saved in the project file (in my case under
>>>>>>>>>>> /Users/Marcello/Downloads/test)?
>>>>>>>>>>>> 
>>>>>>>>>>>> Bernhard
>>>>>>>>>>>> 
>>>>>>>>>>>> [1] http://en.wikipedia.org/wiki/Web_Map_Service
>>>>>>>>>>>> [2]https://github.com/qgis/qgis-web-client
>>>>>>>>>>>> 
>>>>>>>>>>>> 
>>>>>>>>>>>> Am 09.07.2013 13:24, schrieb Marcel Stadelmann:
>>>>>>>>>>>>> Hi Bernhard,
>>>>>>>>>>>>> 
>>>>>>>>>>>>> Thank you for answering. On my Mac the Apache server works. The QGIS
>>>>>>>>>>>>> Server is installed according the Tutorial
>>>>>>>>>>>>> http://hub.qgis.org/projects/quantum-gis/wiki/QGIS_Server_Tutorial. It
>>>>>>>>>>>>> also seems to work. When I open the link
>>>>>>>>>>>>> http://localhost/qgis-mapserv/qgis_mapserv.fcgi? I get the following
>>>>>>>>>>>>> message from Safari: Please check the value of the REQUEST parameter.
>>>>>>>>>>>>> 
>>>>>>>>>>>>> Now I try to configure and publish a simple QGIS project. But I don't
>>>>>>>>>>>>> know where to put the files. I also don't understand how the QGIS Server
>>>>>>>>>>>>> finds the path to the Web Client, because at the moment I have the
>>>>>>>>>>>>> qgis-web-client folder in /Users/Marcello/Downloads.
>>>>>>>>>>>>> 
>>>>>>>>>>>>> Marcel
>>>>>>>>>>>>> 
>>>>>>>>>>>>> 
>>>>>>>>>>>>> Am 09.07.2013 um 12:52 schrieb Bernhard Ströbl
>>>>>>>>>>>>> <bernhard.stroebl at jena.de<mailto:bernhard.stroebl at jena.de>
>>>>>>>>>>>>> <mailto:bernhard.stroebl at jena.de>>:
>>>>>>>>>>>>> 
>>>>>>>>>>>>>> Hi Marcel,
>>>>>>>>>>>>>> 
>>>>>>>>>>>>>> I am sorry, I do not really understand your question, so I explain
>>>>>>>>>>>>>> some things, maybe you can reformulate your question and people with
>>>>>>>>>>>>>> Mac OSX knowledge can help you then.
>>>>>>>>>>>>>> qgis-web-client (QWC) is a JavaScript program to be run in a browser.
>>>>>>>>>>>>>> To deliver QWC to the browser of your clients you need a web server
>>>>>>>>>>>>>> (e.g. Apache). You can put QWC whereeever your web server can access
>>>>>>>>>>>>>> it. QWC needs QGIS Server (a WMS server), normally you would run QGIS
>>>>>>>>>>>>>> server on the same machine.
>>>>>>>>>>>>>> 
>>>>>>>>>>>>>> Bernhard
>>>>>>>>>>>>>> 
>>>>>>>>>>>>>> Am 09.07.2013 11:18, schrieb Marcel Stadelmann:
>>>>>>>>>>>>>>> Hi all,
>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>> I try to install the qgis-web-client on a Mac OSX 10.8.4. But I don't
>>>>>>>>>>>>>>> understand where exactly I have to put it? I think the
>>>>>>>>>>>>>>> "/home/web/qgis-web-client" path is not for OSX?
>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>> regards,
>>>>>>>>>>>>>>> Marcel
>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>> 
>>>>>>>>>>>> 
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