[postgis-users] massive snap of points of one geometry to points of another geometry

[Pierluigi Santin]

Hi all
I have this problem
 
Shapes from a city plan should perfectly overlap on features from cadastre
That's not the case for my problem (error is very very low ...2-3 cm on some vertexes)
 
I heard about a function in postgis that allow to force db to do something like
"if a point of a feature A is within x centimeters from a point of another feature B, snap point of feature A over point of feature B"
I would like to do that massively over all shapes of city plan
 
 
Is there anybody that can give me a hint?
  		 	   		  
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