Remove Water
Arguments
- shp
input shp with
sfgeometry.- water
water shapes to remove with
sfgeometry- filter_islands
logical. Should additional filtering be done to remove small areas?
- ...
additional arguments to pass to
rmapshaper::ms_filter_islands(). Only used iffilter_islands = TRUE.
Examples
# \donttest{
# time to run varies greatly, depending on machine
data(suffolk)
data(boston_water)
clip_water(suffolk, boston_water[10, ])
#> The legacy packages maptools, rgdal, and rgeos, underpinning the sp package,
#> which was just loaded, will retire in October 2023.
#> Please refer to R-spatial evolution reports for details, especially
#> https://r-spatial.org/r/2023/05/15/evolution4.html.
#> It may be desirable to make the sf package available;
#> package maintainers should consider adding sf to Suggests:.
#> The sp package is now running under evolution status 2
#> (status 2 uses the sf package in place of rgdal)
#> Warning: attribute variables are assumed to be spatially constant throughout all geometries
#> Simple feature collection with 295 features and 22 fields
#> Geometry type: GEOMETRY
#> Dimension: XY
#> Bounding box: xmin: -7924935 ymin: 5195183 xmax: -7898484 ymax: 5228645
#> Projected CRS: WGS 84 / Pseudo-Mercator
#> First 10 features:
#> vap_white pop_nhpi pop_other vap vap_black pop_two pop_white pop_asian
#> 1 403 0 29 1949 139 65 469 57
#> 2 790 0 36 1841 338 142 879 487
#> 3 1176 0 7 1387 25 68 1278 56
#> 4 1525 0 3 1634 11 22 1721 29
#> 5 1212 0 24 1967 203 103 1441 117
#> 6 689 0 26 1374 140 79 757 84
#> 7 933 0 4 1131 26 50 1114 76
#> 8 1252 0 24 1827 188 80 1445 260
#> 9 1793 0 19 2340 111 73 1905 172
#> 10 117 1 28 1532 63 21 152 21
#> vap_aian name pop_aian pop_hisp pop_black pop
#> 1 0 Little Mystic Ch 1 1818 169 2608
#> 2 4 Little Mystic Ch 4 284 483 2315
#> 3 0 Little Mystic Ch 0 83 25 1517
#> 4 0 Little Mystic Ch 1 55 11 1842
#> 5 4 Little Mystic Ch 4 478 254 2421
#> 6 0 Little Mystic Ch 0 485 163 1594
#> 7 0 Little Mystic Ch 0 103 40 1387
#> 8 4 Little Mystic Ch 4 146 220 2179
#> 9 4 Little Mystic Ch 4 214 113 2500
#> 10 0 Little Mystic Ch 0 1846 82 2151
#> NAME GEOID
#> 1 Chelsea City Ward 3 Precinct 4, Suffolk County, Massachusetts 25025000587
#> 2 1605, Suffolk County, Massachusetts 25025001605
#> 3 0511, Suffolk County, Massachusetts 25025000511
#> 4 0609, Suffolk County, Massachusetts 25025000609
#> 5 2002, Suffolk County, Massachusetts 25025002002
#> 6 1106, Suffolk County, Massachusetts 25025001106
#> 7 2012, Suffolk County, Massachusetts 25025002012
#> 8 1610, Suffolk County, Massachusetts 25025001610
#> 9 0506, Suffolk County, Massachusetts 25025000506
#> 10 Chelsea City Ward 1 Precinct 2, Suffolk County, Massachusetts 25025000577
#> vap_asian vap_hisp vap_nhpi area vap_other vap_two
#> 1 54 1288 0 575502 17 48
#> 2 385 187 0 575502 29 108
#> 3 51 72 0 575502 6 57
#> 4 29 47 0 575502 3 19
#> 5 99 357 0 575502 20 72
#> 6 82 384 0 575502 26 53
#> 7 60 71 0 575502 4 37
#> 8 206 106 0 575502 13 58
#> 9 157 201 0 575502 17 57
#> 10 16 1306 1 575502 12 17
#> geometry
#> 1 POLYGON ((-7908080 5221634,...
#> 2 POLYGON ((-7909969 5205478,...
#> 3 POLYGON ((-7911480 5215211,...
#> 4 POLYGON ((-7906488 5212416,...
#> 5 POLYGON ((-7919232 5204078,...
#> 6 POLYGON ((-7915314 5208587,...
#> 7 POLYGON ((-7921409 5204517,...
#> 8 POLYGON ((-7909061 5205002,...
#> 9 POLYGON ((-7912189 5215053,...
#> 10 POLYGON ((-7907417 5219562,...
# }