I have some vector layers in my project and I need to separate the polygones by area (I need a copy of all shapes > 2ha). I know how to do this for each separate layer (query) but is the a tool to do this for all my layers in one step?
You can use the "Execute as Batch Process" function the Sextante Toolbox provides.
It's easiest if you first define a new Model based on the MMQGIS Select tool using the Sextante Modeler to fill in the parameters:
After saving the model, you can right-click on it in the Sextante Toolbox and select "Execute as batch process". In the window that opens, click on the