spTransform problem
I loaded rgdal and now the spTransform is throwing an error. Any help would be greatly appreciated. thanks, Stephen
On Thu, Jul 22, 2010 at 2:08 PM, stephen sefick <ssefick at gmail.com> wrote:
All: Sorry for clogging everyones mailbox. ?Mathieu is absolutely right. library(rgdal) fixed everything On Thu, Jul 22, 2010 at 2:04 PM, Mathieu Basille <basille at ase-research.org> wrote:
Hi Stephen, Did you *actually* try to load rgdal in that R session? It doesn't seem to appear in the list of attached packages... HTH, Mathieu. Le 2010-07-22 14:55, stephen sefick a ?crit :
I am having problems with spTransform in packages rgdal. ?If this is
not enought information please let me know and I will send whatever
you need. ?It doesn't seem like it is avaliable.
library(rgdal)
w <- (new("SpatialPoints"
? ? , coords = structure(c(33.31665, 33.31834, 33.3239, 33.37435, 33.36018,
33.23301, 33.23423, 33.17796, 33.18121, 33.1949, 33.31868, 33.30408,
33.29747, 33.17787, 33.29818, 33.29995, 33.22684, 35.1132, 35.17292,
35.17181, 35.06247, 35.11168, 35.13462, 33.29927, 33.29815, 33.29678,
33.22417, 35.18823, 35.18498, 35.11643, 35.01896, 32.50986, 32.49736,
33.31731, 33.3194, 33.3244, 33.37333, 33.36077, 33.2325, 33.23349,
33.1781, 33.18051, 33.19357, 33.31922, 33.30454, 33.29836, 33.17613,
33.2981, 33.36369, 33.30074, 33.22576, 35.1132, 35.17424, 35.17208,
35.06282, 35.11102, 35.13354, 33.30036, 33.29896, 33.29789, 33.22353,
35.18748, 35.1838, 35.11509, 35.01986, 32.51054, 32.49748, -81.59802,
-81.59618, -81.60159, -81.55044, -81.55657, -81.6235, -81.63911,
-81.56433, -81.56165, -81.57855, -81.57896, -81.62487, -81.63039,
-81.58159, -81.62553, -81.58714, -81.63564, -79.33718, -79.1805,
-79.22391, -79.30669, -79.35294, -79.34676, -81.66629, -81.67698,
-81.68295, -81.5105, -79.0738, -79.09837, -79.32681, -79.51664,
-84.64703, -84.70618, -81.59759, -81.59619, -81.60101, -81.54981,
-81.55763, -81.62424, -81.63809, -81.5657, -81.56335, -81.5788,
-81.58011, -81.6263, -81.62959, -81.58174, -81.62629, -81.55806,
-81.5868, -81.6357, -79.33718, -79.18026, -79.23305, -79.30483,
-79.35168, -79.34534, -81.66618, -81.6779, -81.68343, -81.50894,
-79.07469, -79.09892, -79.32548, -79.51553, -84.64841, -84.70769
), .Dim = c(67L, 2L), .Dimnames = list(NULL, c("lat", "long")))
? ? , bbox = structure(c(32.49736, -84.70769, 35.18823, -79.0738), .Dim = c(2L,
2L), .Dimnames = list(c("lat", "long"), c("min", "max")))
? ? , proj4string = new("CRS"
? ? , projargs = "+proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs"
)
))
str(w)
Formal class 'SpatialPoints' [package "sp"] with 3 slots
? ..@ coords ? ? : num [1:67, 1:2] 33.3 33.3 33.3 33.4 33.4 ...
? .. ..- attr(*, "dimnames")=List of 2
? .. .. ..$ : NULL
? .. .. ..$ : chr [1:2] "lat" "long"
? ..@ bbox ? ? ? : num [1:2, 1:2] 32.5 -84.7 35.2 -79.1
? .. ..- attr(*, "dimnames")=List of 2
? .. .. ..$ : chr [1:2] "lat" "long"
? .. .. ..$ : chr [1:2] "min" "max"
? ..@ proj4string:Formal class 'CRS' [package "sp"] with 1 slots
? .. .. ..@ projargs: chr "+proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs"
w.utm <- spTransform(y, CRS=CRS("+proj=utm +zone=17 +ellps=GRS80
+datum=NAD83 +units=m +no_defs"))
Error: could not find function "spTransform"
sessionInfo()
R version 2.11.1 (2010-05-31)
x86_64-unknown-linux-gnu
locale:
?[1] LC_CTYPE=en_US.utf8 ? ? ? LC_NUMERIC=C
?[3] LC_TIME=en_US.utf8 ? ? ? ?LC_COLLATE=en_US.utf8
?[5] LC_MONETARY=C ? ? ? ? ? ? LC_MESSAGES=en_US.utf8
?[7] LC_PAPER=en_US.utf8 ? ? ? LC_NAME=C
?[9] LC_ADDRESS=C ? ? ? ? ? ? ?LC_TELEPHONE=C
[11] LC_MEASUREMENT=en_US.utf8 LC_IDENTIFICATION=C
attached base packages:
[1] graphics ?grDevices utils ? ? datasets ?stats ? ? grid ? ? ?methods
[8] base
other attached packages:
?[1] gpclib_1.5-1 ? ? ? ? ? ?RPostgreSQL_0.1-6 ? ? ? DBI_0.2-5
?[4] StreamMetabolism_0.03-3 maptools_0.7-34 ? ? ? ? lattice_0.18-8
?[7] sp_0.9-65 ? ? ? ? ? ? ? foreign_0.8-40 ? ? ? ? ?chron_2.3-35
[10] zoo_1.6-4 ? ? ? ? ? ? ? vegan_1.17-3 ? ? ? ? ? ?ggplot2_0.8.8
[13] proto_0.3-8 ? ? ? ? ? ? reshape_0.8.3 ? ? ? ? ? plyr_1.0.3
loaded via a namespace (and not attached):
[1] tools_2.11.1
-- ~$ whoami Mathieu Basille, Post-Doc ~$ locate Laboratoire d'?cologie Comportementale et de Conservation de la Faune + Centre d'?tude de la For?t D?partement de Biologie Universit? Laval, Qu?bec ~$ info http://ase-research.org/basille ~$ fortune ``If you can't win by reason, go for volume.'' Calvin, by Bill Watterson.
-- Stephen Sefick
____________________________________ | Auburn University? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?? | | Department of Biological Sciences? ? ? ? ?? | | 331 Funchess Hall? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? | | Auburn, Alabama? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?? | | 36849? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? | |___________________________________| | sas0025 at auburn.edu? ? ? ? ? ? ? ? ? ? ? ? ? ?? | | http://www.auburn.edu/~sas0025? ? ? ? ? ?? | |___________________________________| Let's not spend our time and resources thinking about things that are so little or so large that all they really do for us is puff us up and make us feel like gods.? We are mammals, and have not exhausted the annoying little problems of being mammals. ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? -K. Mullis
Stephen Sefick ____________________________________ | Auburn University? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?? | | Department of Biological Sciences? ? ? ? ?? | | 331 Funchess Hall? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? | | Auburn, Alabama? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?? | | 36849? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? | |___________________________________| | sas0025 at auburn.edu? ? ? ? ? ? ? ? ? ? ? ? ? ?? | | http://www.auburn.edu/~sas0025? ? ? ? ? ?? | |___________________________________| Let's not spend our time and resources thinking about things that are so little or so large that all they really do for us is puff us up and make us feel like gods.? We are mammals, and have not exhausted the annoying little problems of being mammals. ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? -K. Mullis