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GET SHAPES EXTENTS
==================
Description
-----------
This algorithm draws new polygons according to the extent of the layer features. You can choose to draw either a new
polygon for each features or just a single polygon of the total extent (in this case the input layer has to be a
multipart layer).
Parameters
----------
- ``Shapes[Vector]``: input layer
- ``Parts[Boolean]``: YES draws a polygon for each feature, NO draws only one polygon
Outputs
-------
- ``Extents[Vector]``: the resulting layer
See also
---------
Console usage
-------------
::
processing.runalg('saga:getshapesextents', shapes, parts, extents)
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