A class for representing polygons with multiple contours but without holes.
Objects can be created by calls of the form
‘new("gpc.poly.nohole", ...) or by calling
Object of class “list”. See the help for “gpc.poly” for details.
Class “gpc.poly”, directly.
signature(from = "numeric", to = "gpc.poly.nohole"): ...
This class is identical to “"gpc.poly"” and is needed because the
file formats for polygons without holes is slightly different from the
file format for polygons with holes. For a “gpc.poly.nohole”
hole flag for each contour is always
write.polyfile will write the correct file format,
depending on whether the object is of class “gpc.poly” or
Roger D. Peng
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