[Qgis-developer] cannot create qgis application from python:
errors with provider plugins
Martin Dobias
wonder.sk at gmail.com
Mon Mar 16 11:09:25 EDT 2009
On Fri, Mar 13, 2009 at 12:17 AM, G. Allegri <giohappy at gmail.com> wrote:
> I'm working on Windows Vista, with the OSGeo4W stack.
> Just to get in touch with the Windows environemnt, I've tried to run
> the very first example (2_basic_main_window) from the tutorial from
> Martin [1], last version.
> I have:
>
> - corrected the QMapCanvas attribute from "useQImageToRender" to
> "useImageToRender" (should the tutorial be updated?)
> - set the qgis_prefix to "C:\\OSGeo4W\\apps\\qgis-dev"
> - changed the hardcoded layer to one of mine
I'm going to update the examples to work with QGIS 1.0.
> Running the script from the OSGeo4W shell I get a list of errors
> referring to problems with various data providers:
> http://www.geospatial.it/allegri/log.txt
The errors are shown just with plugins (they're not providers). From
the log I see that providers loaded correctly.
> The interface comes up, but nothing is rendered (obviously, having
> seen the log!)
> Is it something with the build of qgis_dev in the OSGeo4W package?
> The same happens with QGis Kore.
You must first click on the upper left button to load and show the test layer.
Martin
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