How to align a big polygon over smaller ones

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everyone!

Here is my trouble : I have to write a python script which supposed to align an area polygon on the borders of others polygons coming from a cadastral plan. These polygons come from an official source, so they are not supposed to move or to be altered. The final objective is to extract the polygons covered by the area polygon, but some of these polygons have to be divided in two parts while most of them are supposed to be completely within the area polygon. So an extract alone is not good enough.

I tried the arcpy.Integreate_management tool to align the area polygon over the smaller polygons, but even if the feature layer containing the cadastral polygons has the max priority, there are some modifications...

I'm working on the basic version of ArcGIS 10.2 (ArcView).

If anyone has an idea about that, I would be really thankful.

Thank you. :)

(I'm sorry if the topic is clear enough as english is not my mother tongue, I'm a french frog eater. ;) )



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