Adds loc_sp and boundary_sp to fmexample for use
in sp related code examples and tests.
Value
Returns a copy of fmexample with loc_sp (SpatialPoints) and
boundary_sp (SpatialPolygons) added.
Examples
if (fm_safe_sp()) {
fmexample_sp()
}
#> $loc
#> [,1] [,2]
#> [1,] -1.2070657 -0.47719270
#> [2,] 0.2774292 -0.99838644
#> [3,] 1.0844412 -0.77625389
#> [4,] -2.3456977 0.06445882
#> [5,] 0.4291247 0.95949406
#> [6,] 0.5060559 -0.11028549
#> [7,] -0.5747400 -0.51100951
#> [8,] -0.5466319 -0.91119542
#> [9,] -0.5644520 -0.83717168
#> [10,] -0.8900378 2.41583518
#>
#> $loc_sf
#> Geometry set for 10 features
#> Geometry type: POINT
#> Dimension: XY
#> Bounding box: xmin: -2.345698 ymin: -0.9983864 xmax: 1.084441 ymax: 2.415835
#> CRS: NA
#> First 5 geometries:
#> POINT (-1.207066 -0.4771927)
#> POINT (0.2774292 -0.9983864)
#> POINT (1.084441 -0.7762539)
#> POINT (-2.345698 0.06445882)
#> POINT (0.4291247 0.9594941)
#>
#> $boundary_fm
#> 46 boundary edges (1 group: 1)
#> 26 boundary edges (1 group: 1)
#>
#> $boundary_sf
#> $boundary_sf[[1]]
#> Geometry set for 1 feature
#> Geometry type: POLYGON
#> Dimension: XY
#> Bounding box: xmin: -3.344418 ymin: -1.995602 xmax: 2.076846 ymax: 3.404937
#> CRS: NA
#> POLYGON ((-2.817059 0.9463137, -2.202485 1.2354...
#>
#> $boundary_sf[[2]]
#> Geometry set for 1 feature
#> Geometry type: POLYGON
#> Dimension: XY
#> Bounding box: xmin: -5.331027 ymin: -3.998161 xmax: 4.061656 ymax: 5.415609
#> CRS: NA
#> POLYGON ((-4.991262 1.478543, -3.989966 2.80278...
#>
#>
#> $mesh
#> fm_mesh_2d object:
#> Manifold: R2
#> V / E / T: 279 / 805 / 527
#> Euler char.: 1
#> Constraints: 29 boundary edges (1 group: 1), 54 interior edges (1 group: 1)
#> Bounding box: (-5.331027, 4.061656) x (-3.998161, 5.415609)
#> Basis d.o.f.: 279
#>
#> $loc_sp
#> SpatialPoints:
#> coords.x1 coords.x2
#> [1,] -1.2070657 -0.47719270
#> [2,] 0.2774292 -0.99838644
#> [3,] 1.0844412 -0.77625389
#> [4,] -2.3456977 0.06445882
#> [5,] 0.4291247 0.95949406
#> [6,] 0.5060559 -0.11028549
#> [7,] -0.5747400 -0.51100951
#> [8,] -0.5466319 -0.91119542
#> [9,] -0.5644520 -0.83717168
#> [10,] -0.8900378 2.41583518
#> Coordinate Reference System (CRS) arguments: NA
#>
#> $boundary_sp
#> $boundary_sp[[1]]
#> An object of class "SpatialPolygons"
#> Slot "polygons":
#> [[1]]
#> An object of class "Polygons"
#> Slot "Polygons":
#> [[1]]
#> An object of class "Polygon"
#> Slot "labpt":
#> [1] -0.5461125 0.3740483
#>
#> Slot "area":
#> [1] 18.33926
#>
#> Slot "hole":
#> [1] FALSE
#>
#> Slot "ringDir":
#> [1] 1
#>
#> Slot "coords":
#> [,1] [,2]
#> [1,] -2.81705894 0.94631367
#> [2,] -2.20248500 1.23549053
#> [3,] -1.93714856 1.58422823
#> [4,] -1.84819843 1.93933706
#> [5,] -1.88966137 2.39129580
#> [6,] -1.86566648 2.63491992
#> [7,] -1.77189268 2.88719642
#> [8,] -1.61423037 3.10532380
#> [9,] -1.36139907 3.29769003
#> [10,] -1.06098684 3.40103863
#> [11,] -0.74331840 3.40493720
#> [12,] -0.44046036 3.30899222
#> [13,] -0.21852945 3.15673051
#> [14,] -0.05863083 2.97136357
#> [15,] 0.16195892 2.41850813
#> [16,] 0.32797911 2.17652337
#> [17,] 0.55709500 1.99315152
#> [18,] 1.02477913 1.76264111
#> [19,] 1.31097954 1.43085530
#> [20,] 1.41822671 1.10621348
#> [21,] 1.41806313 0.63150828
#> [22,] 1.47703673 0.36888691
#> [23,] 1.60391854 0.13150773
#> [24,] 1.92923112 -0.24129656
#> [25,] 2.05439938 -0.53329201
#> [26,] 2.07684597 -0.89865535
#> [27,] 1.97759821 -1.22583137
#> [28,] 1.79149471 -1.48330743
#> [29,] 1.53401865 -1.66941093
#> [30,] 1.30352592 -1.75188255
#> [31,] 0.92136413 -1.81235099
#> [32,] 0.47250487 -1.97909787
#> [33,] 0.20387022 -1.99560180
#> [34,] -0.23024620 -1.90653460
#> [35,] -0.66903331 -1.90360021
#> [36,] -0.99620933 -1.80435245
#> [37,] -2.10943110 -1.04428133
#> [38,] -2.65935582 -0.88499786
#> [39,] -2.88065504 -0.78033113
#> [40,] -3.06989025 -0.62502980
#> [41,] -3.21571917 -0.42840226
#> [42,] -3.30940119 -0.20223386
#> [43,] -3.34441795 0.01539484
#> [44,] -3.26950766 0.44711343
#> [45,] -3.14884475 0.66011326
#> [46,] -2.99882136 0.82161064
#> [47,] -2.81705894 0.94631367
#>
#>
#>
#> Slot "plotOrder":
#> [1] 1
#>
#> Slot "labpt":
#> [1] -0.5461125 0.3740483
#>
#> Slot "ID":
#> [1] "ID1"
#>
#> Slot "area":
#> [1] 18.33926
#>
#>
#>
#> Slot "plotOrder":
#> [1] 1
#>
#> Slot "bbox":
#> min max
#> x -3.344418 2.076846
#> y -1.995602 3.404937
#>
#> Slot "proj4string":
#> Coordinate Reference System:
#> Deprecated Proj.4 representation: NA
#>
#>
#> $boundary_sp[[2]]
#> An object of class "SpatialPolygons"
#> Slot "polygons":
#> [[1]]
#> An object of class "Polygons"
#> Slot "Polygons":
#> [[1]]
#> An object of class "Polygon"
#> Slot "labpt":
#> [1] -0.5751230 0.4371188
#>
#> Slot "area":
#> [1] 64.57747
#>
#> Slot "hole":
#> [1] FALSE
#>
#> Slot "ringDir":
#> [1] 1
#>
#> Slot "coords":
#> [,1] [,2]
#> [1,] -4.9912623 1.4785425
#> [2,] -3.9899658 2.8027818
#> [3,] -3.2994790 4.2027985
#> [4,] -2.3686211 5.0258996
#> [5,] -1.6189235 5.3257098
#> [6,] -0.8900378 5.4156093
#> [7,] -0.1611522 5.3257098
#> [8,] 0.5240459 5.0613997
#> [9,] 1.3326482 4.4303603
#> [10,] 1.9087688 3.6737820
#> [11,] 2.7479814 2.8625306
#> [12,] 3.1715474 2.1751265
#> [13,] 4.0616556 -0.4090495
#> [14,] 4.0265754 -1.3614808
#> [15,] 3.7300057 -2.1903376
#> [16,] 3.3071272 -2.7907790
#> [17,] 2.6893132 -3.3106237
#> [18,] 1.0063149 -3.9082611
#> [19,] 0.2774292 -3.9981605
#> [20,] -0.9138362 -3.8884098
#> [21,] -1.9607156 -3.5567600
#> [22,] -4.1912535 -2.3004024
#> [23,] -4.7105589 -1.7810970
#> [24,] -5.0881204 -1.1511736
#> [25,] -5.3310271 -0.2295705
#> [26,] -5.2878320 0.6496857
#> [27,] -4.9912623 1.4785425
#>
#>
#>
#> Slot "plotOrder":
#> [1] 1
#>
#> Slot "labpt":
#> [1] -0.5751230 0.4371188
#>
#> Slot "ID":
#> [1] "ID1"
#>
#> Slot "area":
#> [1] 64.57747
#>
#>
#>
#> Slot "plotOrder":
#> [1] 1
#>
#> Slot "bbox":
#> min max
#> x -5.331027 4.061656
#> y -3.998161 5.415609
#>
#> Slot "proj4string":
#> Coordinate Reference System:
#> Deprecated Proj.4 representation: NA
#>
#>
#>