RArcInfo (version 0.1)

get.labdata: Funtion for importing the contents of a LAB file into R

Description

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

Usage

get.labdata(infodir, coverage, filename="lab.adf")

Arguments

infodir

Info directory where there is a file called arc.dat (usually called 'info').

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, called 'lab.adf'.

Value

• This function returns a data frame with the next fields (by columns):
• LabelUserID
  The label of the polygon.
• PolygonID
  The polygon related to the label.
• Coord1X
  The X component of the first coordinate.
• Coord2X
  The X component of the second coordinate.
• Coord3X
  The X component of the third coordinate.
• Coord1Y
  The Y component of the first coordinate.
• Coord2Y
  The Y component of the second coordinate.
• Coord3Y
  The Y component of the third coordinate.

References

More information about this kind of data can be found at http://pages.infinit.net/danmo/e00/docs/v7_bin_cover.html.