[ckan-dev] problem with spatial previews

Matthew Fullerton matt.fullerton at gmail.com
Wed Aug 12 14:35:24 UTC 2015 

Another link might be good, but I can also look around on the portal
myself. With this one I have the problem that Firefox says the document is
not well formed at this line:

<xml>
      <Abstract>Die Karte der Erdbebenzonen und geologischen
Untergrundklassen für Rheinland-Pfalz bezieht sich auf die DIN 4149:2005-04
'Bauten in deutschen Erdbebengebieten; Lastannahmen, Bemessung und
Ausfuehrung ueblicher Hochbauten', herausgegeben vom DIN Deutsches Institut
fuer Normung e.V., Burggrafenstr. 6, D-10787 Berlin. Nichttektonische,
seismisch induzierte Ereignisse sind nicht Gegenstand dieser Darstellung
(DIN 4149:2005-04, Kapitel 5.1). Den Erdbebenzonen werden
Intensitaetsintervalle nach der Europaeischen Makroseismischen Skala (EMS)
und Bemessungswerte der Bodenbeschleunigung ag zugeordnet. Der zugrunde
liegenden Referenz-Wiederkehrperiode entspricht eine Wahrscheinlichkeit des
Auftretens oder Ueberschreitens von 10 % innerhalb von 50 Jahren.
Nutzungsbedingungen siehe: http://www.lgb-rlp.de/nutzung_online_karten.html
</Abstract>
</xml>

I noticed that there is only one umlaut in the whole text (für) whereas
others have been turned into (e.g.) ue. I'd like not to get distracted by
this problem ;-)

On 12 August 2015 at 14:42, Armin Retterath <armin.retterath at gmail.com>
wrote:

>
> http://mapserver.lgb-rlp.de/cgi-bin/erdbeben?&request=GetCapabilities&VERSION=1.1.0&SERVICE=WFS
>
> but we have hundreds of wfs in our geoportal ;-)
>
> http://www.geoportal.rlp.de
>
> if you need another link, please ask - ckan 2.4 was able to request the
> caps and show the featuretypes as layers in the ol client - only the get
> feature request has the problem with the wrong crs
> armin
>
>
> 2015-08-12 15:31 GMT+02:00 Matthew Fullerton <matt.fullerton at gmail.com>:
>
>> Can you send me the WFS link? Is it open? It would be interesting to have
>> a link which doesn't have the XML problem, in which case it could of course
>> be that there are further problems!
>>
>> Thanks,
>> Matt
>>
>> On 12 August 2015 at 13:56, Armin Retterath <armin.retterath at gmail.com>
>> wrote:
>>
>>> you can see the message in firebug. also the wfs response is there and
>>> the server gives an exception for the epsg:3857. the problem is, that my
>>> installation is in our intranet and not available in the www already (i've
>>> got the same problem as it was on the list today - proxying is not
>>> possible, because ckan don't react on the site_url definition :-( )
>>> i can give you further information tomorrow ;-)
>>> thanx
>>> armin
>>>
>>> 2015-08-12 12:52 GMT+02:00 Matthew Fullerton <matt.fullerton at gmail.com>:
>>>
>>>> My problem so far was that OpenLayers said it couldn't cope with that
>>>> version of the XML standard. Where in the code do you see the demand for
>>>> 3857? There was a similar issue with the WMS code. However, for WFS I would
>>>> have though that it should be less of a problem as the data can be
>>>> transformed.
>>>>
>>>> -Matt
>>>>
>>>> On 12 August 2015 at 11:38, Armin Retterath <armin.retterath at gmail.com>
>>>> wrote:
>>>>
>>>>> hi matt,
>>>>> the wfs may have a problem with the requested crs - the client demands
>>>>> epsg:3857 but most services support only 4326 - maybe we have to alter the
>>>>> default crs in the ini file?
>>>>> best regards,
>>>>> armin
>>>>>
>>>>> 2015-08-12 11:59 GMT+02:00 Matthew Fullerton <matt.fullerton at gmail.com
>>>>> >:
>>>>>
>>>>>> I can confirm that WFS does not work.
>>>>>>
>>>>>> KML, GeoJSON and WMS should all be working:
>>>>>> KML:
>>>>>> https://smartlane.io/dataset/different-geo-visualizations/resource/06df2d49-5920-42e8-b73d-860aeea823a8
>>>>>> GeoJSON works but I recommend you use the GeoJSON view installed with
>>>>>> ckanext_geoview and not the openlayers view.
>>>>>> https://smartlane.io/dataset/different-geo-visualizations/resource/d31fcbfb-6611-48b5-91f4-630553316521
>>>>>> WMS:
>>>>>> https://smartlane.io/dataset/different-geo-visualizations/resource/045d88a8-6a1e-4f41-b23c-fa5efa549d34
>>>>>>
>>>>>> Regarding WMS take a look at the URL on the example page to check you
>>>>>> are putting something sensible in. There is a request to visualize
>>>>>> individual layers (https://github.com/ckan/ckanext-geoview/issues/22)
>>>>>>
>>>>>> And in general, it's worth installing the extension from the latest
>>>>>> master code on GitHub and not from pip.
>>>>>>
>>>>>> Best,
>>>>>> Matt
>>>>>>
>>>>>> On 12 August 2015 at 10:45, Armin Retterath <
>>>>>> armin.retterath at gmail.com> wrote:
>>>>>>
>>>>>>> hi sol,
>>>>>>>
>>>>>>> i solved the issue by activating the view in the frontend - maybe
>>>>>>> the docu is not quiet clear :-( .
>>>>>>> i thought, that the default view will sufficient - but
>>>>>>> ckan.views.default_views setting don't activate the views for the resource
>>>>>>> automatically :-( - i had to activate it in the frontend for each view - is
>>>>>>> this realistic?
>>>>>>> another problem is, that the wms preview don't work as it should do.
>>>>>>> the layers are directly requested with the url of the that is defined in
>>>>>>> the resource. this is not right. first the GetCapabilities request has to
>>>>>>> be done and the GetMap url has to be extracted. with this url the map can
>>>>>>> be invoked correctly. i 've done a adoption for the code two years ago.
>>>>>>> maybe i find it and can give it back to the list.
>>>>>>>
>>>>>>> also simple wfs are not supported - i tested
>>>>>>> http://mapserver.lgb-rlp.de/cgi-bin/erdbeben?&request=GetCapabilities&VERSION=1.1.0&SERVICE=WFS
>>>>>>>
>>>>>>> i also tested kml and geojson preview with follwoning urls:
>>>>>>>
>>>>>>>
>>>>>>> http://www.geoportal.rlp.de/mapbender/php/mod_GetPublishedData.php?wmc_id=13986&outputFormat=geojson
>>>>>>>
>>>>>>> http://www.geoportal.rlp.de/mapbender/php/mod_GetPublishedData.php?wmc_id=13986&outputFormat=kml
>>>>>>>
>>>>>>> but the resource is not shown on the map :-( - maybe s.o. knows the
>>>>>>> problem.
>>>>>>>
>>>>>>> thanx in advance,
>>>>>>> armin
>>>>>>>
>>>>>>> 2015-08-12 4:23 GMT+02:00 李承錱[Sol] <u103133.u103135 at gmail.com>:
>>>>>>>
>>>>>>>> Hi Armin:
>>>>>>>>
>>>>>>>> I'm using CKAN 2.4.0 and ckanext-geoview without any problems.
>>>>>>>>
>>>>>>>> Is there any error in the log file?
>>>>>>>>
>>>>>>>> And, do you specify the correct format name in the resource
>>>>>>>> metadata ("geojson" for geojson resources and "wms" for wms resources)? The
>>>>>>>> format column for resource is required to decide the available views.
>>>>>>>>
>>>>>>>> To get the spatial search, you should still install the
>>>>>>>> ckanext-spatial
>>>>>>>> <http://ckanext-spatial.readthedocs.org/en/latest/install.html>
>>>>>>>> extension and follow the guide
>>>>>>>> <http://ckanext-spatial.readthedocs.org/en/latest/spatial-search.html>
>>>>>>>> to set up it. The ckanext-geoview is only for previewing spatial resources.
>>>>>>>>
>>>>>>>> Cheers,
>>>>>>>>
>>>>>>>> Sol
>>>>>>>>
>>>>>>>> 2015-08-10 23:22 GMT+08:00 Armin Retterath <
>>>>>>>> armin.retterath at gmail.com>:
>>>>>>>>
>>>>>>>>> hi matt,
>>>>>>>>>
>>>>>>>>> thanx for the info.
>>>>>>>>>
>>>>>>>>> i set now set following definitions:
>>>>>>>>>
>>>>>>>>> ckan.plugins = stats geo_view text_view datastore image_view
>>>>>>>>> resource_proxy
>>>>>>>>> ckan.views.default = image_view geo_view
>>>>>>>>> ckan.spatial.srid = 4326
>>>>>>>>> ckanext.geoview.ol_viewer.formats = wms kml geojson
>>>>>>>>>
>>>>>>>>> but nothing happens .-( . before i activated both plugins - also
>>>>>>>>> nothing happens. neither the spatial_metadata nor spatial_query had any
>>>>>>>>> effect on the portal - do i have to do more configuration? maybe activate a
>>>>>>>>> spatial search widget as it was so in 1.8.1b - which i tested some years
>>>>>>>>> ago?
>>>>>>>>>
>>>>>>>>> i need a spatial search widget and options to view wms, geojson
>>>>>>>>> and maybe use wfs.
>>>>>>>>>
>>>>>>>>> - or should i go directly to 2.5a - is there a compatibility list
>>>>>>>>> for the spatial extensions? can they be activated parallel?
>>>>>>>>>
>>>>>>>>> thanx in advance,
>>>>>>>>>
>>>>>>>>> armin
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> 2015-08-10 12:20 GMT+02:00 Matthew Fullerton <matthew at smartlane.de
>>>>>>>>> >:
>>>>>>>>>
>>>>>>>>>> Dear Armin,
>>>>>>>>>> Are you using ckanext-geoview or ckanext-spatial?
>>>>>>>>>>
>>>>>>>>>> For the WMS viewer I think you need to specify which file types
>>>>>>>>>> you want to offer previews for, e.g.:
>>>>>>>>>> ckanext.geoview.ol_viewer.formats = wms kml
>>>>>>>>>> https://github.com/ckan/ckanext-geoview#openlayers-viewer
>>>>>>>>>>
>>>>>>>>>> In general, and specifically for the GeoJSON problem, check that
>>>>>>>>>> the file formats are set for the resource. I think it needs to be 'geojson'
>>>>>>>>>> for a GeoJSON file and 'wms' for the WMS resource.
>>>>>>>>>>
>>>>>>>>>> Best,
>>>>>>>>>> Matt
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> *Projekt SMARTLANE*
>>>>>>>>>>
>>>>>>>>>> matthew at smartlane.de <florian at smartlane.de>
>>>>>>>>>> T +49.89.289.28575
>>>>>>>>>> F +49.89.289.22333
>>>>>>>>>> www.smartlane.de
>>>>>>>>>>
>>>>>>>>>> EXIST-Gründungsvorhaben „Tapestry“
>>>>>>>>>> c/o Lehrstuhl für Verkehrstechnik
>>>>>>>>>> Technische Universität München
>>>>>>>>>> Arcisstraße 21
>>>>>>>>>> 80333 München
>>>>>>>>>>
>>>>>>>>>> Gefördert vom Bundesministerium für Wirtschaft und Technologie
>>>>>>>>>> aufgrund eines Beschlusses des Deutschen Bundestages.
>>>>>>>>>>
>>>>>>>>>> ------------------------------
>>>>>>>>>> *Von:* ckan-dev <ckan-dev-bounces at lists.okfn.org> im Auftrag von
>>>>>>>>>> Armin Retterath <armin.retterath at gmail.com>
>>>>>>>>>> *Gesendet:* Freitag, 7. August 2015 12:07
>>>>>>>>>> *An:* CKAN Development Discussions
>>>>>>>>>> *Betreff:* [ckan-dev] problem with spatial previews
>>>>>>>>>>
>>>>>>>>>> hello together,
>>>>>>>>>> i freshly installed ckan 2.4.0 with the spatial extensions on an
>>>>>>>>>> debian 8 environment (including  datastore).
>>>>>>>>>> in the frontend the options for show wms, geojson, ... are not
>>>>>>>>>> displayed :-( .
>>>>>>>>>> it seems to be, that ckan don't find the plugins?
>>>>>>>>>> here are my entries in the development.ini:
>>>>>>>>>>
>>>>>>>>>> ckan.plugins = stats text_view datastore image_view recline_view
>>>>>>>>>> spatial_metadata spatial_query geo_view geojson_view resource_proxy
>>>>>>>>>>
>>>>>>>>>> # Define which views should be created by default
>>>>>>>>>> # (plugins must be loaded in ckan.plugins)
>>>>>>>>>> ckan.views.default_views = ckanext-geoview geojson_view geo_view
>>>>>>>>>> image_view text_view recline_view recline_map_view
>>>>>>>>>>
>>>>>>>>>> thanx in advance
>>>>>>>>>> armin
>>>>>>>>>>
>>>>>>>>>> _______________________________________________
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>>>>>>>>>> https://lists.okfn.org/mailman/listinfo/ckan-dev
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>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>
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>>>>>>>>
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