1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
|
if (!isGeneric("spCbind"))
setGeneric("spCbind", function(obj, x)
standardGeneric("spCbind"))
cbindSpatialPointsDataFrame <- function(obj, x) {
x0 <- slot(obj, "data")
if (nrow(x0) != nrow(x)) stop("different numbers of rows")
cx <- data.frame(x0, x)
SpatialPointsDataFrame(as(obj, "SpatialPoints"), data=cx)
}
cbindSpatialPointsDataFramev <- function(obj, x) {
x0 <- slot(obj, "data")
if (nrow(x0) != length(x)) stop("different numbers of rows")
nx <- deparse(substitute(x))
x <- as.data.frame(x)
names(x) <- nx
cx <- data.frame(x0, x)
SpatialPointsDataFrame(as(obj, "SpatialPoints"), data=cx)
}
setMethod("spCbind", signature(obj="SpatialPointsDataFrame", x="data.frame"),
cbindSpatialPointsDataFrame)
setMethod("spCbind", signature(obj="SpatialPointsDataFrame", x="vector"),
cbindSpatialPointsDataFramev)
cbindSpatialLinesDataFrame <- function(obj, x) {
x0 <- slot(obj, "data")
if (nrow(x0) != nrow(x)) stop("different numbers of rows")
if (!isTRUE(all.equal(row.names(x0), row.names(x))))
stop("row names not identical")
cx <- data.frame(x0, x)
SpatialLinesDataFrame(as(obj, "SpatialLines"), data=cx)
}
cbindSpatialLinesDataFramev <- function(obj, x) {
x0 <- slot(obj, "data")
if (nrow(x0) != length(x)) stop("different numbers of rows")
nx <- deparse(substitute(x))
x <- as.data.frame(x)
names(x) <- nx
cx <- data.frame(x0, x)
SpatialLinesDataFrame(as(obj, "SpatialLines"), data=cx)
}
setMethod("spCbind", signature(obj="SpatialLinesDataFrame", x="data.frame"),
cbindSpatialLinesDataFrame)
setMethod("spCbind", signature(obj="SpatialLinesDataFrame", x="vector"),
cbindSpatialLinesDataFramev)
cbindSpatialPolygonsDataFrame <- function(obj, x) {
x0 <- slot(obj, "data")
if (nrow(x0) != nrow(x)) stop("different numbers of rows")
if (!isTRUE(all.equal(row.names(x0), row.names(x))))
stop("row names not identical")
cx <- data.frame(x0, x)
SpatialPolygonsDataFrame(as(obj, "SpatialPolygons"), data=cx)
}
cbindSpatialPolygonsDataFramev <- function(obj, x) {
x0 <- slot(obj, "data")
if (nrow(x0) != length(x)) stop("different numbers of rows")
nx <- deparse(substitute(x))
x <- as.data.frame(x)
names(x) <- nx
cx <- data.frame(x0, x)
SpatialPolygonsDataFrame(as(obj, "SpatialPolygons"), data=cx)
}
setMethod("spCbind", signature(obj="SpatialPolygonsDataFrame", x="data.frame"),
cbindSpatialPolygonsDataFrame)
setMethod("spCbind", signature(obj="SpatialPolygonsDataFrame", x="vector"),
cbindSpatialPolygonsDataFramev)
if (!isGeneric("spRbind"))
setGeneric("spRbind", function(obj, x)
standardGeneric("spRbind"))
rbindSpatialPoints <- function(obj, x) {
if (!isTRUE(all.equal(proj4string(obj), proj4string(x))))
stop("coordinate reference systems differ")
crds <- rbind(coordinates(obj), coordinates(x))
SpatialPoints(crds, proj4string=CRS(proj4string(obj)))
}
setMethod("spRbind", signature(obj="SpatialPoints", x="SpatialPoints"),
rbindSpatialPoints)
rbindSpatialPointsDataFrame <- function(obj, x) {
SP <- spRbind(as(obj, "SpatialPoints"), as(x, "SpatialPoints"))
# df <- rbind(as(obj, "data.frame"), as(x, "data.frame"))
# stopped adding coordinates as variables; Steve Eick 100117
df <- rbind(slot(obj, "data"), slot(x, "data"))
SpatialPointsDataFrame(SP, data=df)
}
setMethod("spRbind", signature(obj="SpatialPointsDataFrame",
x="SpatialPointsDataFrame"), rbindSpatialPointsDataFrame)
rbindSpatialLines <- function(obj, x) {
if (!isTRUE(all.equal(proj4string(obj), proj4string(x))))
stop("coordinate reference systems differ")
ll1 <- slot(obj, "lines")
ll2 <- slot(x, "lines")
ID1 <- sapply(ll1, function(x) slot(x, "ID"))
ID2 <- sapply(ll2, function(x) slot(x, "ID"))
if (length(c(ID1, ID2)) > length(unique(c(ID1, ID2))))
stop("non-unique line IDs")
LL <- c(ll1, ll2)
SpatialLines(LL, proj4string=CRS(proj4string(obj)))
}
setMethod("spRbind", signature(obj="SpatialLines", x="SpatialLines"),
rbindSpatialLines)
rbindSpatialLinesDataFrame <- function(obj, x) {
SL <- spRbind(as(obj, "SpatialLines"), as(x, "SpatialLines"))
df <- rbind(as(obj, "data.frame"), as(x, "data.frame"))
SpatialLinesDataFrame(SL, data=df)
}
setMethod("spRbind", signature(obj="SpatialLinesDataFrame",
x="SpatialLinesDataFrame"), rbindSpatialLinesDataFrame)
rbindSpatialPolygons <- function(obj, x) {
if (!isTRUE(all.equal(proj4string(obj), proj4string(x))))
stop("coordinate reference systems differ")
pl1 <- slot(obj, "polygons")
pl2 <- slot(x, "polygons")
ID1 <- sapply(pl1, function(x) slot(x, "ID"))
ID2 <- sapply(pl2, function(x) slot(x, "ID"))
if (length(c(ID1, ID2)) > length(unique(c(ID1, ID2))))
stop("non-unique polygon IDs")
PL <- c(pl1, pl2)
SpatialPolygons(PL, proj4string=CRS(proj4string(obj)))
}
setMethod("spRbind", signature(obj="SpatialPolygons", x="SpatialPolygons"),
rbindSpatialPolygons)
rbindSpatialPolygonsDataFrame <- function(obj, x) {
SP <- spRbind(as(obj, "SpatialPolygons"), as(x, "SpatialPolygons"))
df <- rbind(as(obj, "data.frame"), as(x, "data.frame"))
SpatialPolygonsDataFrame(SP, data=df)
}
setMethod("spRbind", signature(obj="SpatialPolygonsDataFrame",
x="SpatialPolygonsDataFrame"), rbindSpatialPolygonsDataFrame)
|
