Description Usage Arguments Value
This function reads and imports into R the contents of a polygon definitions file.
1 | get.paldata(datadir, coverage, filename="pal.adf")
|
datadir |
Directory under which all the coverages and a directory called 'info' are. |
coverage |
The name of the coverage we want to work with |
filename |
The name of the file in the coverage directory that stores the data. By default, it is called 'pal.adf' |
This function returns a list with two elements. The first one is a data frame with the next fields (columns):
PolygonID |
A number that identifies this polygon. |
MinX |
Minimum value for all the X component of the coordinates. |
MinY |
Minimum value for all the Y component of the coordinates. |
MaxX |
Maximum value for all the X component of the coordinates. |
MaxY |
Maximum value for all the Y component of the coordinates. |
NArcs |
? |
The second element in the list is also a list in which each element is composed by three arrays with information about the polygons that are in the polygon boundary: 'Arc ID', 'From Node' and 'Adjacent Polygon'.
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