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I have a vector layer of 108374 lines I want to split the vector layer into field names of the layer, which is 17. Now, I want to create a new vector layer containing one of the field names e.g. "OBJECTTYPE". From this field name I want to calculate the distance from a certain category to another vector layer.

I have tried to use "split vector layer" in QGIS, but it gives an error: "TypeError: the sip.simplewrapper type cannot be instantiated or sub-classed".

I'm using QGIS 1.8 Lisboa for Mac.

Thanks in advance.

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Since you want to create a new vector layer, you can accomplish this with a two-step process: Select By Attributes and then Export. This tutorial illustrates the process.

Furthermore, the process probably can be automated with a script so that you don't have to repeat it 17 times.

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    Thanks for the answer. One question though, can this be done if "OBJECTTYPE" is a string (letters) and not numbers?
    – Kasper
    Commented Mar 12, 2013 at 14:20
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    Yes, Select By attributes work with any type.
    – Alexandre Neto
    Commented Mar 12, 2013 at 14:53
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    Everything worked perfect! Thank you very much! Kasper
    – Kasper
    Commented Mar 13, 2013 at 9:49

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