get.paldata

0th

Percentile

Function for importing the contents of a PAL file into R

This function reads and imports into R the contents of a polygon definitions file.

Keywords
file
Usage
get.paldata(datadir, coverage, filename="pal.adf")
Arguments
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'
Value

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'.

Aliases
  • get.paldata
Documentation reproduced from package RArcInfo, version 0.4-12, License: GPL (>= 2)

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