Hi everyone,
I'm coding a plugin in python and I would like to understand what
append during this:
self._layer.dataProvider().deleteFeatures([v.id() for v in
self._object_map.itervalues()])
and
self._layer.dataProvider().addFeatures([v for v in
self._object_map.itervalues()])
because featu
Hi everyone,
I would like to remove feature in a vector layer, but the
deleteFeatures do not seems to work.
Is it a bug ? How can I do this ?
How should I handle features ids ?
Thanks.
--
Alex
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Hi,
Did you try deleteFeatures from dataProvider or deleteFeature from
vectorLayer ?
On 03/01/2012 10:54 AM, Alexandre Badez wrote:
Hi everyone,
I would like to remove feature in a vector layer, but the
deleteFeatures do not seems to work.
Is it a bug ? How can I do this ?
How should I han
Hi,
Yep, I did, and it did not work..
I post a longer message here:
http://forum.qgis.org/viewtopic.php?f=5&t=10121&sid=e816f9d2b714e6959b4cdf4074839b97
On Thu, Mar 1, 2012 at 11:37, Denis Rouzaud wrote:
> Hi,
>
> Did you try deleteFeatures from dataProvider or deleteFeature from
> vectorLayer ?
This is strange, I have successfully use the deleteFeatures from the
dataProvider
here at line 103
https://github.com/3nids/Triangulation/blob/2b90973a34f835ac3564204dcbccc573bcff274a/triangulation.py
same for addFeatures.
Which version of Qgis are you using?
On 03/01/2012 11:38 AM, Alexan
I'm using OSGeo4W with Qgis 1.7.3 (from version 4296e12 of code) with
Qt 4.7.1 and python 2.7.2
On Thu, Mar 1, 2012 at 11:50, Denis Rouzaud wrote:
> This is strange, I have successfully use the deleteFeatures from the
> dataProvider
>
> here at line 103
> https://github.com/3nids/Triangulation/bl
No idea what is the problem.
I don't have 1.7 installed, you could try installing the dev version
(1.9.90) with the osgeo4w installer. Maybe something changed. I
experienced a few problems with addFeatures that have been fixed in the
master.
Otherwise, someone else has to confirm it is ok in
On Tue, Feb 28, 2012 at 5:25 PM, Alexandre Badez
wrote:
>
> So... I get a look in the C++ code.. here is what I've found in
> src/core/qgsvectordataprovider.cpp.
> bool QgsVectorDataProvider::addFeatures( QgsFeatureList &flist )
> {
> Q_UNUSED( flist );
> return false;
> }
>
>
Thanks Martin for your help.
On Thu, Mar 1, 2012 at 21:28, Martin Dobias wrote:
> The actual implementation is in classes derived from
> QgsVectorDataProvider. Each data provider that allows adding/deleting
> features has its own logic.
Ok... I'm using the memory data provider (I'm creating my l
On Fri, Mar 2, 2012 at 10:14 AM, Alexandre Badez
wrote:
> So I try do delete features as this:
> f = core.QgsFeature()
> fids = []
> while dp.nextFeature(f):
> fids.append(f.id())
> logger.debug("deleting feature: %s", fids)
> i
THANKS
IT WORKS ! \o/
On Fri, Mar 2, 2012 at 10:25, Martin Dobias wrote:
> On Fri, Mar 2, 2012 at 10:14 AM, Alexandre Badez
> wrote:
>> So I try do delete features as this:
>> f = core.QgsFeature()
>> fids = []
>> while dp.nextFeature(f):
>>
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