[ckan-dev] ckan-spatial, WMS Viewer

Heinrich Widmann widmann at dkrz.de
Wed May 8 16:35:20 UTC 2013


Hi Dominik,
thank you for your response.

Am 08.05.2013 14:43, schrieb Dominik Moritz:
> Hi,
>
> On 8 May 2013 14:14, Heinrich Widmann <widmann at dkrz.de 
> <mailto:widmann at dkrz.de>> wrote:
>
>     Hi,
>     we have the same problem here :
>     We upgraded CKAN 1.8  - with extension ckanext-spatial working -
>     to 2.0,
>     but know no button ">> filter by location" and no view of a map
>     (as well for datasets with spatial key) occur.
>
>
> I think we are talking about different issues. The resource_proxy is 
> only for previews.
>
> Concerning your issue. Are you on the release 2.0 branch 
> (https://github.com/okfn/ckanext-spatial/tree/release-v2.0)? It looks 
> like the widget was added in 
> https://github.com/okfn/ckanext-spatial/issues/6.
Ok, we reinstalled ckan with the mentioned branch. But get the following 
error if we add the needed plugin dataset_extend_map
(w/o this paster starts CKAN - but of course w/o spatial search) :

(pyenv)bash-3.2$ paster serve development.ini
Traceback (most recent call last):
   File "/opt/ckan2/pyenv/bin/paster", line 8, in <module>
     load_entry_point('PasteScript==1.7.5', 'console_scripts', 'paster')()
   File 
"/opt/ckan2/pyenv/lib/python2.6/site-packages/paste/script/command.py", 
line 104, in run
     invoke(command, command_name, options, args[1:])
   File 
"/opt/ckan2/pyenv/lib/python2.6/site-packages/paste/script/command.py", 
line 143, in invoke
     exit_code = runner.run(args)
   File 
"/opt/ckan2/pyenv/lib/python2.6/site-packages/paste/script/command.py", 
line 238, in run
     result = self.command()
   File 
"/opt/ckan2/pyenv/lib/python2.6/site-packages/paste/script/serve.py", 
line 284, in command
     relative_to=base, global_conf=vars)
   File 
"/opt/ckan2/pyenv/lib/python2.6/site-packages/paste/script/serve.py", 
line 321, in loadapp
     **kw)
   File 
"/opt/ckan2/pyenv/lib/python2.6/site-packages/paste/deploy/loadwsgi.py", 
line 247, in loadapp
     return loadobj(APP, uri, name=name, **kw)
   File 
"/opt/ckan2/pyenv/lib/python2.6/site-packages/paste/deploy/loadwsgi.py", 
line 272, in loadobj
     return context.create()
   File 
"/opt/ckan2/pyenv/lib/python2.6/site-packages/paste/deploy/loadwsgi.py", 
line 710, in create
     return self.object_type.invoke(self)
   File 
"/opt/ckan2/pyenv/lib/python2.6/site-packages/paste/deploy/loadwsgi.py", 
line 146, in invoke
     return fix_call(context.object, context.global_conf, 
**context.local_conf)
   File 
"/opt/ckan2/pyenv/lib/python2.6/site-packages/paste/deploy/util.py", 
line 56, in fix_call
     val = callable(*args, **kw)
   File "/opt/ckan2/pyenv/src/ckan/ckan/config/middleware.py", line 54, 
in make_app
     load_environment(conf, app_conf)
   File "/opt/ckan2/pyenv/src/ckan/ckan/config/environment.py", line 
133, in load_environment
     p.load_all(config)
   File "/opt/ckan2/pyenv/src/ckan/ckan/plugins/core.py", line 95, in 
load_all
     find_user_plugins(config)
   File "/opt/ckan2/pyenv/src/ckan/ckan/plugins/core.py", line 177, in 
find_user_plugins
     raise PluginNotFoundException(name)
ckan.plugins.core.PluginNotFoundException: dataset_extent_map

Any clue what's going wrong ?
Heinrich

>
>     However the spatial extension seems to be active during upload of
>     data :
>
>     2013-05-08 12:33:20,200 DEBUG [ckanext.spatial.plugin] Received:
>     u'{"type":"Polygon","coordinates":[[[-88.542,0],[-88.542,358.125],
>     [88.542, 0], [-88.542, 0]]]}'
>
>     2013-05-08 12:33:20,204 DEBUG [ckanext.spatial.lib] Created new
>     extent for package 5c347a7c-f76c-4e80-9a84-deab52805a5b
>
>     To add resource_proxy to the plugins changed nothing.
>
>
>     Am 19.04.2013 17:24, schrieb Guillaume Sueur:
>
>         Hi again Adria,
>
>         I've managed to make it work, but only using a custom proxy
>         based in cgi-bin.
>
>     What exactly we have to do here ?
>     However we would prefer not to be forced to use a "custom proxy" here.
>
>     Best regards,
>     Heinrich
>
>         Don't understand how CKAN proxyfying stuff is working.
>
>         Best regards,
>
>         Guillaume
>
>         Le 19/04/13 16:21, Guillaume Sueur a écrit :
>
>             Hi Adria,
>
>             That sounds like a very good idea indeed. I've activated
>             the plugin, but
>             I still have the same error.
>             Do I have to tune the wms_preview.js ? There is a
>             var proxy = false
>             at the beginning. Does it have to point to the actuel
>             proxy URL ?
>
>             Thanks
>
>             Guillaule
>
>             Le 19/04/13 12:21, Adrià Mercader a écrit :
>
>                 Hi,
>
>                     2013/4/17 Guillaume Sueur
>                     <no-reply at neogeo-online.net
>                     <mailto:no-reply at neogeo-online.net>>
>
>                         I've been looking for why the WMS preview
>                         doesn't work on my fresh CKAN
>                         2.0 installation. I've found out (in
>                         wms_preview.js) that the
>                         getCapabities
>                         URL seems wrong when it gives :
>
>                         /packages?id=wms-geologie-brgm&resource_id=4a198fbc-0589-4a24-977b-bb037650c229&SERVICE=WMS&REQUEST=GetCapabilities&VERSION=1.1.1
>
>
>                 The most likely issue is that you have not added the
>                 "resource_proxy"
>                 plugin to your ini file, eg
>
>                 ckan.plugins = resource_proxy ...
>
>                 I will update the docs to make this clearer
>
>                 This allows the js to do a remote request to a
>                 different server, and
>                 if the plugin is not enabled, the routes module will
>                 generate a
>                 default url (/packages)
>
>
>
>                 On 17 April 2013 12:55, Armin Retterath
>                 <armin.retterath at gmail.com
>                 <mailto:armin.retterath at gmail.com>>
>                 wrote:
>
>                     hi guillaume,
>
>                     maybe this files help you ;-)
>
>                     i made them for 1.8.1b but maybe they are the same
>                     as for 2.0.
>
>                     the parsing of the capabilities was a little bit
>                     ugly before ;-)
>
>                 Thanks for this Armin, if you do a pull request we'll
>                 be happy to
>                 review and merge the changes.
>
>                 As I said, the WMS previewer was very quick and dirty,
>                 made only as an
>                 example.
>
>
>                 Thanks,
>
>                 Adrià
>
>
>
>
>
>
>                         Thanks
>
>                         Guillaume
>
>
>
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>     -- 
>     -----------------------------\\---------------------------------------
>     Heinrich Widmann              \\ Deutsches Klimarechenzentrum GmbH
>     Phone: +49 40 460094 282 <tel:%2B49%2040%20460094%20282>       \\
>       Abteilung Datenmanagement
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-- 
-----------------------------\\---------------------------------------
Heinrich Widmann              \\ Deutsches Klimarechenzentrum GmbH
Phone: +49 40 460094 282       \\   Abteilung Datenmanagement
FAX:   +49 40 460094 270        \\    Bundesstr. 45a
Email: widmann at dkrz.de           \\   D-20146 Hamburg
http://www.dkrz.de                \\  Germany
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