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Buffer modes

Buffer modes
 
There are always three choices of buffer modes.  Depending on the type of study area (point, line, area), different ways of buffering can be done:
1

From centroid

1. From centroid
From centroid - the distance of the buffer will be done from the centroid of the study area.
 
2

From border

2. From border
From border - the distance of the buffer will be measured from the outside border of the study area.
 
 
3

Inside Area

3. Inside Area
Inside area - the calculation will only be based in the inside of the study area.