[Qgis-user] Adding an OpenWeatherMap WMS layer using PyQGIS

[Luigi Pirelli]

qgis in debug mode... btw you should find messages in messagelog and
layer.isValid() = False

src/core/qgsmessagelog.cpp: 27: (logMessage) [0ms] 2018-04-24T09:48:50
WMS[1] Download of capabilities failed: Error downloading
http://wms.openweathermap.org/service?SERVICE=WMS&REQUEST=GetCapabilities -
server replied: Not Found

*******************************


src/core/raster/qgsrasterlayer.cpp: 118: (QgsRasterLayer) [97205ms] Entered
src/core/raster/qgsrasterlayer.cpp: 1221: (setRenderer) [0ms] Entered
src/core/raster/qgsrasterlayer.cpp: 591: (setDataProvider) [0ms] Entered
src/core/qgsproviderregistry.cpp: 408: (createProvider) [0ms] Library name
is
/mnt/data/PROGRAMMING/QGIS/QGIS-master/build/output/lib/qgis/plugins/libwmsprovider.so
src/providers/wms/qgswmsprovider.cpp: 108: (QgsWmsProvider) [0ms]
constructing with uri
'crs=EPSG:900913&dpiMode=7&featureCount=10&format=image/png&layers=precipitation&styles=&url=
http://wms.openweathermap.org/service'.
src/providers/wms/qgswmscapabilities.cpp: 40: (parseUri) [0ms] uriString =
crs=EPSG:900913&dpiMode=7&featureCount=10&format=image/png&layers=precipitation&styles=&url=
http://wms.openweathermap.org/service
src/providers/wms/qgswmscapabilities.cpp: 86: (parseUri) [0ms] mBaseUrl =
http://wms.openweathermap.org/service?
src/providers/wms/qgswmscapabilities.cpp: 98: (parseUri) [0ms] Entering:
layers:precipitation, styles:
src/providers/wms/qgswmscapabilities.cpp: 101: (parseUri) [0ms] Setting
image encoding to image/png.
src/providers/wms/qgswmscapabilities.cpp: 151: (parseUri) [0ms] Contextual
legend: 0
src/providers/wms/qgswmsprovider.cpp: 313: (addLayers) [0ms] Entering:
layers:precipitation, styles:
src/providers/wms/qgswmsprovider.cpp: 325: (addLayers) [0ms] set visibility
of layer 'precipitation' to true.
src/providers/wms/qgswmsprovider.cpp: 334: (addLayers) [0ms] Exiting.
src/providers/wms/qgswmsprovider.cpp: 1155: (retrieveServerCapabilities)
[0ms] entering: forceRefresh=0
src/providers/wms/qgswmscapabilities.cpp: 1926: (downloadCapabilities)
[0ms] entering: forceRefresh=0
src/providers/wms/qgswmscapabilities.cpp: 1936: (downloadCapabilities)
[0ms] url =
http://wms.openweathermap.org/service?SERVICE=WMS&REQUEST=GetCapabilities
src/core/qgsnetworkaccessmanager.cpp: 96: (queryProxy) [0ms] using fallback
proxy for
http://wms.openweathermap.org/service?SERVICE=WMS&REQUEST=GetCapabilities
src/core/qgsnetworkaccessmanager.cpp: 223: (createRequest) [0ms] Created
[reply:4b80020]
src/providers/wms/qgswmscapabilities.cpp: 1982: (capabilitiesReplyProgress)
[140ms] 162 of 162 bytes of capabilities downloaded.
src/providers/wms/qgswmscapabilities.cpp: 1982: (capabilitiesReplyProgress)
[0ms] 162 of 162 bytes of capabilities downloaded.
src/core/qgsmessagelog.cpp: 27: (logMessage) [0ms] 2018-04-24T09:48:50
WMS[1] Download of capabilities failed: Error downloading
http://wms.openweathermap.org/service?SERVICE=WMS&REQUEST=GetCapabilities -
server replied: Not Found
src/core/qgsproviderregistry.cpp: 430: (createProvider) [0ms] Instantiated
the data provider plugin: wms
src/core/raster/qgsrasterlayer.cpp: 616: (setDataProvider) [0ms] Data
provider created
src/core/raster/qgsrasterpipe.cpp: 165: (set) [0ms] 14QgsWmsProvider
src/core/raster/qgsrasterpipe.cpp: 143: (interfaceRole) [0ms]
14QgsWmsProvider role = 1
src/core/raster/qgsrasterpipe.cpp: 81: (insert) [0ms] insert
14QgsWmsProvider at 0
src/core/raster/qgsrasterpipe.cpp: 63: (connect) [0ms] Entered
src/core/raster/qgsrasterpipe.cpp: 143: (interfaceRole) [0ms]
14QgsWmsProvider role = 1
src/core/raster/qgsrasterpipe.cpp: 97: (insert) [0ms] inserted OK
src/core/raster/qgsrasterpipe.cpp: 63: (connect) [0ms] Entered


Luigi Pirelli

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On 23 April 2018 at 21:28, Xristos Xristoou <saxri89 at gmail.com> wrote:

> I would like to add in QGIS real time weather data.
>
> I found this link
> <https://www.packtpub.com/mapt/book/application_development/9781783984985/5/ch05lvl1sec98/adding-real-time-weather-data-from-openweathermap>
>  and this link
> <https://www.gislounge.com/adding-real-time-weather-data-from-openweathermap-qgis-python-programming-cookbook/>
>  and I tried to follow the example, but without any success.
>
> I've added a WMS weather data layer for precipitation to the QGIS map, as
> follows:
>
> First, the parameters for the service:
>
> service = 'crs=EPSG:900913&dpiMode=7&featureCount=10&format=image/png&layers=precipitation&styles=&url=http://wms.openweathermap.org/service'
>
> Next, create the raster layer, specifying WMS as the type:
>
> rlayer = QgsRasterLayer(service, "precip", "wms")
>
> Finally, add the precipitation layer to the map:
>
> QgsMapLayerRegistry.instance().addMapLayers([rlayer])
>
> the example didn't show any error in the code and no data was added to the
> weather layer either, I'm not sure why?
>
>
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