[Qgis-developer] Python: Select features that touch other features

[Andreas Neumann]

Thank you Daniel, Nathan and Marco for all your hints.

I am sure I will manage to do what I want with all of your suggestions!

Andreas

Am 06.10.2013 02:00, schrieb Daniel:
> Using map() is the pythonic way
> 
> 
> Maybe ftools need an upgrade :)
> 
> Thanks for the tip
> 
> 
> On Sat, Oct 5, 2013 at 8:53 PM, Nathan Woodrow <madmanwoo at gmail.com> wrote:
> 
>>
>> On Sun, Oct 6, 2013 at 9:45 AM, Daniel <danielvaz at gmail.com> wrote:
>>
>>> def createIndex( provider ):
>>>     feat = QgsFeature()
>>>     index = QgsSpatialIndex()
>>>     fit = provider.getFeatures()
>>>     while fit.nextFeature( feat ):
>>>         index.insertFeature( feat )
>>>     return index
>>>
>>
>> Try something like this for your createIndex which will work with any
>> collection of features:
>>
>> def createIndex( features ):
>>     index = QgsSpatialIndex()
>>     map(index.insertFeature, features)
>>     return index
>>
>> index = createIndex(provider.getFeatures())
>>
>> and also because I hate seeing while nextFeature() used :)
>>
>> - Nathan
>>
>>
>>
> 
>