error using filename argument with focalFilter() in package raster

I have a raster DEM loaded in R and I am using the raster package. ?My DEM
is called lakeside:

library(raster)

Loading required package: sp
raster version 1.5-8 (20-September-2010)

lakeside

class ? ? ? : RasterLayer
filename ? ?:
nrow ? ? ? ?: 341
ncol ? ? ? ?: 321
ncell ? ? ? : 109461
min value ? : 1288.399
max value ? : 1704.749
projection ?: +proj=utm +zone=12 +ellps=WGS84 +datum=WGS84 +units=m +no_defs
+towgs84=0,0,0
xmin ? ? ? ?: 344459.7
xmax ? ? ? ?: 347669.7
ymin ? ? ? ?: 4532817
ymax ? ? ? ?: 4536227
xres ? ? ? ?: 10
yres ? ? ? ?: 10


When I use the focalFilter function with a filename argument, I get the
following error:

xslopeLS <- focalFilter(lakeside, matrix(filtHorn, nrow = 3)

+ /(8*xres(lakeside)), filename = "xslopeLS")
Error in .local(object, values) :
?setValues no longer supports setting rows of values


However, if I call the same function without the filename argument, it seems
to work fine:

xslopeLS <- focalFilter(lakeside, matrix(filtHorn, nrow = 3)

+ /(8*xres(lakeside)))

xslopeLS

class ? ? ? : RasterLayer
filename ? ?:
nrow ? ? ? ?: 341
ncol ? ? ? ?: 321
ncell ? ? ? : 109461
min value ? : -1.468210
max value ? : 1.196593
projection ?: +proj=utm +zone=12 +ellps=WGS84 +datum=WGS84 +units=m +no_defs
+towgs84=0,0,0
xmin ? ? ? ?: 344459.7
xmax ? ? ? ?: 347669.7
ymin ? ? ? ?: 4532817
ymax ? ? ? ?: 4536227
xres ? ? ? ?: 10
yres ? ? ? ?: 10


Here is my filter:

filtHorn

[1] -1 -2 -1 ?0 ?0 ?0 ?1 ?2 ?1


And here is my sessionInfo():

sessionInfo()

R version 2.11.1 (2010-05-31)
x86_64-redhat-linux-gnu

locale:
?[1] LC_CTYPE=en_US.UTF-8 ? ? ? LC_NUMERIC=C
?[3] LC_TIME=en_US.UTF-8 ? ? ? ?LC_COLLATE=en_US.UTF-8
?[5] LC_MONETARY=C ? ? ? ? ? ? ?LC_MESSAGES=en_US.UTF-8
?[7] LC_PAPER=en_US.UTF-8 ? ? ? LC_NAME=C
?[9] LC_ADDRESS=C ? ? ? ? ? ? ? LC_TELEPHONE=C
[11] LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=C

attached base packages:
[1] stats ? ? graphics ?grDevices utils ? ? datasets ?methods ? base

other attached packages:
[1] raster_1.5-8 sp_0.9-69

loaded via a namespace (and not attached):
[1] grid_2.11.1 ? ? lattice_0.19-11


Any idea what I'm doing wrong?

Thanks for your help,
Bill

--
William D. McCoy
Geosciences
University of Massachusetts
Amherst, MA ?01003

Bill, you are the not the one doing anything wrong. I fixed this bug
in 'raster' version 1.5-12. Thanks for reporting it, Robert

On Wed, Sep 29, 2010 at 12:17 PM, William McCoy<wdmccoy at geo.umass.edu>  wrote:

I have a raster DEM loaded in R and I am using the raster package.  My DEM
is called lakeside:

library(raster)

Loading required package: sp
raster version 1.5-8 (20-September-2010)

lakeside

class       : RasterLayer
filename    :
nrow        : 341
ncol        : 321
ncell       : 109461
min value   : 1288.399
max value   : 1704.749
projection  : +proj=utm +zone=12 +ellps=WGS84 +datum=WGS84 +units=m +no_defs
+towgs84=0,0,0
xmin        : 344459.7
xmax        : 347669.7
ymin        : 4532817
ymax        : 4536227
xres        : 10
yres        : 10


When I use the focalFilter function with a filename argument, I get the
following error:

xslopeLS<- focalFilter(lakeside, matrix(filtHorn, nrow = 3)

+ /(8*xres(lakeside)), filename = "xslopeLS")
Error in .local(object, values) :
  setValues no longer supports setting rows of values


However, if I call the same function without the filename argument, it seems
to work fine:

xslopeLS<- focalFilter(lakeside, matrix(filtHorn, nrow = 3)

+ /(8*xres(lakeside)))

xslopeLS

class       : RasterLayer
filename    :
nrow        : 341
ncol        : 321
ncell       : 109461
min value   : -1.468210
max value   : 1.196593
projection  : +proj=utm +zone=12 +ellps=WGS84 +datum=WGS84 +units=m +no_defs
+towgs84=0,0,0
xmin        : 344459.7
xmax        : 347669.7
ymin        : 4532817
ymax        : 4536227
xres        : 10
yres        : 10


Here is my filter:

filtHorn

[1] -1 -2 -1  0  0  0  1  2  1


And here is my sessionInfo():

sessionInfo()

R version 2.11.1 (2010-05-31)
x86_64-redhat-linux-gnu

locale:
  [1] LC_CTYPE=en_US.UTF-8       LC_NUMERIC=C
  [3] LC_TIME=en_US.UTF-8        LC_COLLATE=en_US.UTF-8
  [5] LC_MONETARY=C              LC_MESSAGES=en_US.UTF-8
  [7] LC_PAPER=en_US.UTF-8       LC_NAME=C
  [9] LC_ADDRESS=C               LC_TELEPHONE=C
[11] LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=C

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base

other attached packages:
[1] raster_1.5-8 sp_0.9-69

loaded via a namespace (and not attached):
[1] grid_2.11.1     lattice_0.19-11


Any idea what I'm doing wrong?

Thanks for your help,
Bill

--
William D. McCoy
Geosciences
University of Massachusetts
Amherst, MA  01003