[Qgis-user] Problem installing Profile plugin

[Etienne Tourigny]

On Mon, Nov 12, 2012 at 7:18 PM, Pedro Venâncio
<pedrongvenancio at yahoo.com> wrote:
> Hi Etienne,
>
>>> Does this happen just with a 2-point polyline (when initially created)? How about if you first create (and save) a 3-point polyline before using the plugin?
>
> It's the same, the plugin can not create the profile for the last segment of a polyline (if the polyline has only one segment, then it creates nothing).

I tested with polylines from external files, not with polylines
created by qgis, not sure where the problem lies.

>
> Should I fill the tickets in http://hub.qgis.org/projects/profiletool/issues ?

yes, sorry I didn't specify

>
> Thanks!
>
>
> Regards,
> Pedro
>
>
>
>
>
> ----- Original Message -----
> From: Etienne Tourigny
>
> On Sun, Nov 11, 2012 at 7:54 PM, Pedro Venâncio
> <pedrongvenancio at yahoo.com> wrote:
>> Hi Etienne,
>>
>> I'm also having some problems with the Profile Plugin. I'm using Linux (Xubuntu) and QGIS master.
>>
>> The first problem is this with matplotlib (I'm also using matplotlib 1.1.1~rc1):
>>
>> Traceback (most recent call last):
>>   File "/home/pedro/.qgis//python/plugins/profiletool/profileplugin.py", line 278, in changePlotLibrary
>>     self.wdg.addPlotWidget(self.plotlibrary)
>>   File "/home/pedro/.qgis//python/plugins/profiletool/ui/ui_ptdockwidget.py", line 143, in addPlotWidget
>>     self.plotWdg = PlottingTool().changePlotWidget("Matplotlib", self.frame_for_plot)
>>   File "/home/pedro/.qgis//python/plugins/profiletool/tools/plottingtool.py", line 82, in changePlotWidget
>>     fig = Figure( (1.0, 1.0), linewidth=0.0, subplotpars = figure.SubplotParams(left=0, bottom=0, right=1, top=1, wspace=0, hspace=0) )
>> NameError: global name 'figure' is not defined
>
> I think this is due to major differences between 1.0 and 1.1 - I'll
> try to look into this and probably just disable the matplotlib version
> unless it's 1.0.
> Unless someone has a fix for this...
>
>>
>>
>> Using Qwt5 it works, but with some problems.
>>
>> On one hand, if I close the Profile Plugin before closing QGIS, the button in Plugins toolbar remains "clicked", and when closing QGIS, it shows this error:
>>
>> Error while unloading plugin profiletool
>> Traceback (most recent call last):
>>   File "/usr/lib/python2.7/dist-packages/qgis/utils.py", line 237, in unloadPlugin
>>     plugins[packageName].unload()
>>   File "/home/pedro/.qgis//python/plugins/profiletool/profileplugin.py", line 80, in unload
>>     self.wdg.close()
>> RuntimeError: underlying C/C++ object has been deleted
>
> probably a problem in plugin unloading.  Please file a bug report.
>
>>
>>
>>
>> In use, the Plugin displays a strange behavior.
>> Using the Selection "Temporary polyline" option, everything works fine.
>> However, with the Selection "Selected polyline" option, if the polyline has only 2 points (start and end), it does not create the profile. If I add another point, the Plugin only creates the profile for the first segment. If I create a fourth point, it just creates a profile for the first and second segments. And so on.
>
> Does this happen just with a 2-point polyline (when initially
> created)? How about if you first create (and save) a 3-point polyline
> before using the plugin?
>
> Please file another bug report for this issue.
>
>>
>> I leave a screencast showing these problems: http://goo.gl/0tMwk
>>
>>
>>
>> Thanks!
>>
>> Best regards,
>> Pedro Venâncio
>