-----Original Message-----
From: R-sig-Geo [mailto:r-sig-geo-bounces at r-project.org] On Behalf Of
dschneiderch
Sent: 20. marts 2015 18:19
To: r-sig-geo at r-project.org
Subject: Re: [R-sig-Geo] inconsistent as.data.frame(SpatialPointsDF)
I just went through my packages, iteratively unloading each one with:
detach('package:raster')
and found that if I unload the raster package then the expected behavior of
keeping the existing coordnames is achieved.
now why that differs in my script I have no idea.
[1] "Longitude" "Latitude"
detach('package:raster')
head(as.data.frame(snotellocs))
network State Station_ID Site_ID Site_Name Latitude Longitude
1 SNTL AZ 11R06S 308 BAKER BUTTE 34.45660 -111.4064
2 SNTL AZ 11R07S 1140 BAKER BUTTE SMT 34.45547 -111.3827
3 SNTL AZ 09S01S 310 BALDY 33.97883 -109.5034
4 SNTL AZ 09S06S 902 BEAVER HEAD 33.69144 -109.2166
5 SNTL AZ 09N05S 1143 BEAVER SPRING 36.32678 -109.0571
6 SNTL AZ 12P01S 1139 CHALENDER 35.26247 -112.0623
Elevation_ft Elevation_m
1 7300 2225
2 7700 2347
3 9125 2781
4 7990 2435
5 9200 2804
6 7100 2164
Dominik Schneider
o 303.735.6296 | c 518.956.3978
On Fri, Mar 20, 2015 at 11:02 AM, dschneiderch [via R-sig-geo] <
ml-node+s2731867n7587929h1 at n2.nabble.com> wrote:
Edzer - Look like we posted at the same time.
In my example my coordinates are named, no?
I tried your example in my R environment and can replicate the behavior I
mentioned.
df = data.frame(x=1:2, y=2:1, z = 3:4)
df1 = df
library(sp)
coordinates(df1) = ~x+y
as.data.frame(df1)
coordnames(df1)=c('long','lat')
str(df1)
Formal class 'SpatialPointsDataFrame' [package "sp"] with 5 slots
..@ data :'data.frame': 2 obs. of 1 variable:
.. ..$ z: int [1:2] 3 4
..@ coords.nrs : int [1:2] 1 2
..@ coords : num [1:2, 1:2] 1 2 2 1
.. ..- attr(*, "dimnames")=List of 2
.. .. ..$ : NULL
.. .. ..$ : chr [1:2] "long" "lat"
..@ bbox : num [1:2, 1:2] 1 1 2 2
.. ..- attr(*, "dimnames")=List of 2
.. .. ..$ : chr [1:2] "long" "lat"
.. .. ..$ : chr [1:2] "min" "max"
..@ proj4string:Formal class 'CRS' [package "sp"] with 1 slot
.. .. ..@ projargs: chr NA
x y z
1 1 2 3
2 2 1 4
Interestingly, when I open a new R instance and without loading all the
packages associated with my project, the names are *not* converted. So it
seems that one of the packages I have loaded is conflicting with sp and
causing the names to change... my sessionInfo() was attached in the other
post.
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