[Qgis-developer] Value Tool does not work on 1.3.0
Ghislain Picard
ghislain.picard at lgge.obs.ujf-grenoble.fr
Thu Sep 17 14:58:57 EDT 2009
Ok for the change but are you sure it does not break the compatibility
with previous version of QGis ?
Ghislain
Barry Rowlingson wrote:
> On Tue, Sep 15, 2009 at 5:12 PM, Agustin Lobo <alobolistas at gmail.com> wrote:
>
>> (This message was sent through Nabble also but I've got a note stating tha
>> was
>> not distributed. Sorry if it is finally duplicated)
>>
>> This does not seem to be the problem, as Value tool
>> does not work on intrepid either (I'm using 1.3.0.1~intrepid3)
>> On intrepid, the graphic window draws the axes but not the line
>> and both Profile and Scattergram work fine. But the value tool
>> does not print or plot the values.
>>
>> On jaunty, the graphic window complains about qwt. Have
>> not tested Profile and Scattergram (will do it in the evening). And
>> value tool does not print the values.
>>
>> So it seems there are 2 problems here, the most important one being
>> the one making value tool not printing the values.
>>
>> BTW, I think that such a fundamental information as the raster value should
>> be
>> displayed on the bottom, just besides the position information. In some
>> packages (i,e, TNTmips) you see both the actual raster values (up to 3) and
>> the RGB of the color displayed (which do not necessarily match). Then,
>> an additional tool such as the current Value tool would provide additional
>> extended information.
>>
>> Anyway, the urgent thing now is getting the value tool back working!
>>
>
> I've just had a nose at the Value Tool code and I think I've solved it..
>
> Edit valuewidget.py and change the two instances of:
> SIGNAL("xyCoordinates(QgsPoint &)") to
>
> SIGNAL("xyCoordinates(const QgsPoint &)")
>
> - it's just a case of adding 'const' before QgsPoint....
>
> It looks like the signal definition changed.
>
> Barry
>
>
--
Ghislain Picard
Laboratoire de Glaciologie et Géophysique de l'Environnement
54 rue Molière
38400 St Martin d'Hères, FRANCE
tel : +33 476 82 42 42
fax : +33 476 82 42 01
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