Also Denis. You can simplify the code a lot like this:
for f in vectorLayer.getFeatures( QgsFeatureRequest() ):
f[field] = 1
vectorLayer.updateFeature(f)
On Fri, Mar 22, 2013 at 11:10 PM, Denis Rouzaud <[email protected]>wrote:
> Yes exactly
>
> f = QgsFeature()
> iter = vectorLayer.getFeatures( QgsFeatureRequest() )
> while iter.nextFeature( f ):
> print f.id()
> f.setAttribute( field, QVariant( 1 ) )
> vectorLayer.updateFeature( f )
>
> Prints only 1 id, commenting the last line prints all ids.
>
>
> On 03/22/2013 01:56 PM, Nathan Woodrow wrote:
>
> Do you mean your loop is exited when you call updateFeature?
>
> Can you post your code.
>
> - Nathan
>
>
> On Fri, Mar 22, 2013 at 10:54 PM, Denis Rouzaud
> <[email protected]>wrote:
>
>> Hi all,
>>
>> I am looping over features of a layer using new API (QgsFeatureRequest).
>> If I modify a feature and do: layer.updateFeature(f), my loop is broken.
>> Is this a normal behavior?
>>
>> What should I do if I want to modify features during the loop?
>>
>> Thanks
>>
>> Denis
>> _______________________________________________
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>>
>
>
>
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