[Qgis-user] Python error using OpenLayers plugin, problem with mapRenderer

[Joshua Arnott]

Hi Larry,

I've just tried compiling QGIS 2.2 (final-2_2_0, 1c3699e) and it gives me
the same error. So perhaps it is not related to the new renderer.

Josh


On 3 March 2014 01:30, Larry Shaffer <larrys at dakotacarto.com> wrote:

> Hi Joshua,
>
> On Sun, Mar 2, 2014 at 11:35 AM, Joshua Arnott <josh at snorfalorpagus.net>wrote:
>
>>
>> Hello,
>>
>> I'm getting the error below when I try to add a layer from the OpenLayers
>> plugin.
>>
>> I think this is the same issue as here:
>> http://lists.osgeo.org/pipermail/qgis-developer/2013-December/029682.html
>>
>> I'm using a version of QGIS I compiled myself (33a8b63) on OpenSUSE 12.3
>> (32-bit). I've not had problems using this previously.
>>
>> The error seems to be coming from the mapRenderer function, as I get the
>> same if I try to enter "iface.mapCanvas().mapRenderer()" in the Python
>> console.
>>
>
> You are using the current 2.3-dev version, which includes the new
> multi-threaded renderer. The OpenLayers plugin evidently has not been
> updated to work with the new renderer setup. Please create a new issue
> ticket on the plugin's tracker [0].
>
> On Mac, using latest 2.3-dev, I actually get a segfault, but that is due
> (I think) to the excessive log output crashing the app.
>
> Debug output in Terminal (please add to ticket):
>
> OpenlayersLayer draw
> Warning: QPixmap: It is not safe to use pixmaps outside the GUI thread
> src/core/qgsmessagelog.cpp: 45: (logMessage) 2014-03-02T18:25:20 Qt[1]
> QPixmap: It is not safe to use pixmaps outside the GUI thread
> Segmentation fault: 11
>
> If you really need the OpenLayers plugin, try dropping back to the latest
> release version, QGIS 2.2.
>
>
> Regards,
>
> Larry Shaffer
> Dakota Cartography
> Black Hills, South Dakota
>
>
>> I have tried recompiling, but there is no change. Other than this QGIS
>> functions as expected.
>>
>> Josh
>>
>> An error has occured while executing Python code:
>>>
>>> Traceback (most recent call last):
>>>   File
>>> "/home/snorf/.qgis2/python/plugins/openlayers_plugin/openlayers_plugin.py",
>>> line 50, in addLayer
>>>     self.__plugin.addLayer(self)
>>>   File
>>> "/home/snorf/.qgis2/python/plugins/openlayers_plugin/openlayers_plugin.py",
>>> line 202, in addLayer
>>>     self.__setMapSrsGoogle()
>>>   File
>>> "/home/snorf/.qgis2/python/plugins/openlayers_plugin/openlayers_plugin.py",
>>> line 253, in __setMapSrsGoogle
>>>     mapCanvas.mapRenderer().setProjectionsEnabled(True)
>>> TypeError: C++ type 'const QgsMapLayer*' is not supported as  type
>>>
>>> Python version:
>>> 2.7.3 (default, Apr 14 2012, 08:58:41) [GCC]
>>>
>>>
>>> QGIS version:
>>> 2.3.0-Master Master, 33a8b63
>>>
>>> Python path: ['/home/snorf/.qgis2/python/plugins/processing',
>>> '/home/snorf/apps/share/qgis/python', u'/home/snorf/.qgis2/python',
>>> u'/home/snorf/.qgis2/python/plugins',
>>> '/home/snorf/apps/share/qgis/python/plugins',
>>> '/usr/lib/python2.7/site-packages/elementtree-1.2.7_20070827_preview-py2.7.egg',
>>> '/usr/lib/python2.7/site-packages/Sphinx-1.2b3-py2.7.egg',
>>> '/usr/lib/python2.7/site-packages/Jinja2-2.7.1-py2.7.egg',
>>> '/usr/lib/python2.7/site-packages/docutils-0.11-py2.7.egg',
>>> '/usr/lib/python2.7/site-packages/Pygments-1.6-py2.7.egg',
>>> '/usr/lib/python2.7/site-packages/MarkupSafe-0.18-py2.7-linux-i686.egg',
>>> '/usr/lib/python2.7/site-packages/sphinx_intl-0.9.3-py2.7.egg',
>>> '/usr/lib/python2.7/site-packages/polib-1.0.3-py2.7.egg',
>>> '/usr/lib/python2.7/site-packages/sphinx_bootstrap_theme-0.3.2-py2.7.egg',
>>> '/usr/lib/python2.7/site-packages/colormath-1.0.8-py2.7.egg',
>>> '/usr/lib/python2.7/site-packages/webcolors-1.4-py2.7.egg',
>>> '/usr/lib/python2.7/site-packages/termcolor-1.1.0-py2.7.egg',
>>> '/home/snorf/apps/share/qgis/python',
>>> '/home/snorf/apps/share/qgis/python/plugins', '/home/snorf',
>>> '/usr/lib/python27.zip', '/usr/lib/python2.7',
>>> '/usr/lib/python2.7/plat-linux2', '/usr/lib/python2.7/lib-tk',
>>> '/usr/lib/python2.7/lib-old', '/usr/lib/python2.7/lib-dynload',
>>> '/usr/lib/python2.7/site-packages',
>>> '/usr/local/lib/python2.7/site-packages',
>>> '/usr/lib/python2.7/site-packages/gst-0.10',
>>> '/usr/lib/python2.7/site-packages/gtk-2.0',
>>> '/usr/lib/python2.7/site-packages/setuptools-0.6c11-py2.7.egg-info',
>>> '/usr/lib/python2.7/site-packages/wx-2.8-gtk2-unicode',
>>> '/home/snorf/apps/share/qgis/python/plugins/fTools/tools',
>>> '/home/snorf/.qgis2/python/plugins/mmqgis/forms', '~/.qgis/python']
>>>
>>>
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