[Qgis-developer] Contour plugin (Official QGIS repository) failure

[Etienne Tourigny]

it could be that your field is a string, try copying it to another
field as an Integer, using the field calculator.

Etienne

On Tue, Jan 8, 2013 at 9:56 AM, G.T.C.vandenBerg
<gtcvandenberg at gmail.com> wrote:
> Hello,
>
>
> I had planned to use the QGIS-plugin 'Contour' from the Official QGIS repo
> to create a contourline-shapefile from a point-shapefile. My point-shapefile
> has 1 column ('z') in which represents the altitude of the points. However,
> when I click the plugin-button I get the following message:
>
>
> "Failure while executing Pyton code:
>
> Traceback (most recent call last):
> File "/home/guus/.qgis//python/plugins/contour/contour.py", line 266, in
> uFieldNameUpdate
> x, y, z = self.getData(self._layer, inputField)
> File "/home/guus/.qgis//python/plugins/contour/contour.py", line 590, in
> getData
> z = map(float, z) #TODO : take care of NaNs, NULL, "",...
> ValueError: could not convert string to float:
>
> Python version:
> 2.7.3 (default, Aug 1 2012, 05:25:23)
> [GCC 4.6.3]
>
> QGIS version:
> 1.8.0-Lisboa Lisboa, exported"
>
>
> And when I close this message, I get another one:
>
>
> "Failure while executing Pyton code:
>
> Traceback (most recent call last):
> File "/home/guus/.qgis//python/plugins/contour/contour.py", line 70, in run
> dlg = ContourDialog(self._iface)
> File "/home/guus/.qgis//python/plugins/contour/contour.py", line 145, in
> __init__
> if self._isMPLOk() == False:
> File "/home/guus/.qgis//python/plugins/contour/contour.py", line 177, in
> _isMPLOk
> version = [int(i) for i in mpl.__version__.split('.')]
> ValueError: invalid literal for int() with base 10: '1rc'
>
> Python version:
> 2.7.3 (default, Aug 1 2012, 05:25:23)
> [GCC 4.6.3]
>
> QGIS version:
> 1.8.0-Lisboa Lisboa, exported"
>
> Does anybody have an idea what goes wrong? It's clearly not my
> point-shapefile, as the failure-message appears before I'm able to select
> anything.
>
> Regards,
>
> Guus van den Berg
>
>
>
> --
> View this message in context: http://osgeo-org.1560.n6.nabble.com/Contour-plugin-Official-QGIS-repository-failure-tp5026137.html
> Sent from the Quantum GIS - Developer mailing list archive at Nabble.com.
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