[R] maptools, write.polylistShape

[Patrick Giraudoux]

Dear Roger,

I am trying to use the write.polylistShape() function of maptools for 
the first time and realize that it handles list of polygons of class 
'polylist'. However, it seems that no as.polylist() function exist in 
the package. The question behind that is: in your opinion, which would 
be the best  way to convert a list of matrix of polygon nodes 
coordinates into an object of  class polylist?

All the best,

Patrick

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