Dear reseearchers,
I have a problem to save a SpatialPolygonsDataFrame in a shape file
my SpatialPolygonsDataFrame = sub.area.SPDF
thanks in Advance
Gianni
> writeOGR(sub.area.SPDF,".", paste("Sub_Area",rand.patch[[i]],sep=""),
driver="ESRI Shapefile")
Error in writeOGR(sub.area.SPDF, ".", paste("Sub_Area", rand.patch[[i]], :
GDAL Error 1: Invalid index : -1
In addition: Warning message:
In writeOGR(sub.area.SPDF, ".", paste("Sub_Area", rand.patch[[i]], :
Non-fatal GDAL Error 6: Normalized/laundered field name:
'rep.0..length.IDs..' to 'rep.0..len'
# Attribute
> class(sub.area.SPDF)
[1] "SpatialPolygonsDataFrame"
attr(,"package")
[1] "sp"
> str(sub.area.SPDF)
Formal class 'SpatialPolygonsDataFrame' [package "sp"] with 5 slots
..@ data :'data.frame': 1 obs. of 1 variable:
.. ..$ rep.0..length.IDs..: num 0
..@ polygons :List of 1
.. ..$ :Formal class 'Polygons' [package "sp"] with 5 slots
.. .. .. ..@ Polygons :List of 1
.. .. .. .. ..$ :Formal class 'Polygon' [package "sp"] with 5 slots
.. .. .. .. .. .. ..@ labpt : num [1:2] 1669500 7112500
.. .. .. .. .. .. ..@ area : num 40000
.. .. .. .. .. .. ..@ hole : logi FALSE
.. .. .. .. .. .. ..@ ringDir: int 1
.. .. .. .. .. .. ..@ coords : num [1:5, 1:2] 1669400 1669400 1669600
1669600 1669400 ...
.. .. .. ..@ plotOrder: int 1
.. .. .. ..@ labpt : num [1:2] 1669500 7112500
.. .. .. ..@ ID : chr "1"
.. .. .. ..@ area : num 40000
..@ plotOrder : int 1
..@ bbox : num [1:2, 1:2] 1669400 7112400 1669600 7112600
.. ..- attr(*, "dimnames")=List of 2
.. .. ..$ : chr [1:2] "x" "y"
.. .. ..$ : chr [1:2] "min" "max"
..@ proj4string:Formal class 'CRS' [package "sp"] with 1 slots
.. .. ..@ projargs: chr NA
>
> sub.area.SPDF
An object of class "SpatialPolygonsDataFrame"
Slot "data":
rep.0..length.IDs..
1 0
Slot "polygons":
[[1]]
An object of class "Polygons"
Slot "Polygons":
[[1]]
An object of class "Polygon"
Slot "labpt":
[1] 1669500 7112500
Slot "area":
[1] 40000
Slot "hole":
[1] FALSE
Slot "ringDir":
[1] 1
Slot "coords":
[,1] [,2]
[1,] 1669400 7112400
[2,] 1669400 7112600
[3,] 1669600 7112600
[4,] 1669600 7112400
[5,] 1669400 7112400
Slot "plotOrder":
[1] 1
Slot "labpt":
[1] 1669500 7112500
Slot "ID":
[1] "1"
Slot "area":
[1] 40000
Slot "plotOrder":
[1] 1
Slot "bbox":
min max
x 1669400 1669600
y 7112400 7112600
Slot "proj4string":
CRS arguments: NA
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