parse wkt into smaller bits

wkt_parse(wkt, geom_big, geom_size = 40, geom_n = 10)

Arguments

wkt

(character) A WKT string. Required.

geom_big

(character) One of "axe" or "bbox". Required.

geom_size

(integer) An integer indicating size of the cell. Default: 40.

geom_n

(integer) An integer indicating number of cells in each dimension. Default: 10.

Examples

wkt <- [2576 chars quoted with '"'] wkt <- gsub("\n", " ", wkt) # to a bounding box in wkt format wkt_parse(wkt, geom_big = "bbox")
#> [1] "POLYGON((-15.7404094934464 31.5836400571481,40.8611530065536 31.5836400571481,40.8611530065536 55.4324133588853,-15.7404094934464 55.4324133588853,-15.7404094934464 31.5836400571481))"
# to many wkt strings, chopped up from input wkt_parse(wkt, geom_big = "axe")
#> [1] "POLYGON ((13.2635 52.53992, 18.36115 54.11446, 21.87678 53.80419, 24.25959 54.15424, 24.25959 51.76444, 23.98615 52.0021, 23.63459 49.44345, 19.41584 47.58057, 19.59162 44.90682, 20.11897 42.36297, 22.93147 40.65185, 24.25959 40.3143, 24.25959 35.16204, 22.05256 36.81408, 18.71272 36.10722, 18.53693 39.16879, 15.37287 38.34636, 15.19709 41.57884, 12.56037 41.05074, 12.56037 44.02873, 15.19709 45.52594, 16.42756 48.05272, 17.48225 48.86866, 10.62678 47.81718, 9.572091 44.15498, 8.165841 40.51835, 6.056466 36.53211, 0.9588093 31.58364, -5.545097 35.68001, -6.775566 40.51835, -9.412284 38.34636, -12.40057 35.10684, -15.74041 38.07011, -14.68572 41.31532, -11.69744 43.64836, -8.884941 42.88036, -4.314628 43.52103, -8.357597 47.22364, -8.181816 50.12442, -5.017753 49.55761, -2.732597 46.25999, -1.677909 44.15498, -1.326347 39.30494, 2.189278 41.44722, 4.474434 43.26557, 2.189278 46.74397, 1.837716 50.34928, 6.935372 49.67151, 5.001778 52.32557, 7.814278 51.67627, 7.814278 54.52456, 10.97834 51.89375, 10.97834 55.43241, 13.2635 52.53992))" #> [2] "POLYGON ((24.25959 43.48465, 23.10725 43.77542, 24.25959 46.50311, 24.25959 43.48465))" #> [3] "POLYGON ((24.25959 54.15424, 24.68928 54.21736, 28.2049 54.32002, 30.49006 52.85948, 34.70881 52.75322, 35.93928 50.46132, 39.63068 49.55761, 40.86115 46.38139, 34.00568 45.2791, 33.30256 48.63687, 30.1385 49.78513, 28.38068 47.22364, 29.78693 44.65729, 27.67756 42.6222, 24.25959 43.48465, 24.25959 46.50311, 24.5135 47.10412, 26.79865 49.55761, 24.25959 51.76444, 24.25959 54.15424))" #> [4] "POLYGON ((24.25959 40.3143, 25.56818 39.98171, 29.61115 40.78508, 32.951 40.38459, 32.951 37.37492, 26.27131 33.6562, 24.25959 35.16204, 24.25959 40.3143))"
wkt_parse(wkt, geom_big = "axe", 60)
#> [1] "POLYGON ((13.2635 52.53992, 18.36115 54.11446, 21.87678 53.80419, 24.68928 54.21736, 28.2049 54.32002, 30.49006 52.85948, 34.70881 52.75322, 35.93928 50.46132, 39.63068 49.55761, 40.86115 46.38139, 34.00568 45.2791, 33.30256 48.63687, 30.1385 49.78513, 28.38068 47.22364, 29.78693 44.65729, 27.67756 42.6222, 23.10725 43.77542, 24.5135 47.10412, 26.79865 49.55761, 23.98615 52.0021, 23.63459 49.44345, 19.41584 47.58057, 19.59162 44.90682, 20.11897 42.36297, 22.93147 40.65185, 25.56818 39.98171, 29.61115 40.78508, 32.951 40.38459, 32.951 37.37492, 26.27131 33.6562, 22.05256 36.81408, 18.71272 36.10722, 18.53693 39.16879, 15.37287 38.34636, 15.19709 41.57884, 12.56037 41.05074, 12.56037 44.02873, 15.19709 45.52594, 16.42756 48.05272, 17.48225 48.86866, 10.62678 47.81718, 9.572091 44.15498, 8.165841 40.51835, 6.056466 36.53211, 0.9588093 31.58364, -5.545097 35.68001, -6.775566 40.51835, -9.412284 38.34636, -12.40057 35.10684, -15.74041 38.07011, -14.68572 41.31532, -11.69744 43.64836, -8.884941 42.88036, -4.314628 43.52103, -8.357597 47.22364, -8.181816 50.12442, -5.017753 49.55761, -2.732597 46.25999, -1.677909 44.15498, -1.326347 39.30494, 2.189278 41.44722, 4.474434 43.26557, 2.189278 46.74397, 1.837716 50.34928, 6.935372 49.67151, 5.001778 52.32557, 7.814278 51.67627, 7.814278 54.52456, 10.97834 51.89375, 10.97834 55.43241, 13.2635 52.53992))"
wkt_parse(wkt, geom_big = "axe", 30)
#> [1] "POLYGON ((13.2635 52.53992, 14.25959 52.84759, 14.25959 48.37437, 10.62678 47.81718, 9.572091 44.15498, 8.165841 40.51835, 6.056466 36.53211, 0.9588093 31.58364, -5.545097 35.68001, -6.775566 40.51835, -9.412284 38.34636, -12.40057 35.10684, -15.74041 38.07011, -14.68572 41.31532, -11.69744 43.64836, -8.884941 42.88036, -4.314628 43.52103, -8.357597 47.22364, -8.181816 50.12442, -5.017753 49.55761, -2.732597 46.25999, -1.677909 44.15498, -1.326347 39.30494, 2.189278 41.44722, 4.474434 43.26557, 2.189278 46.74397, 1.837716 50.34928, 6.935372 49.67151, 5.001778 52.32557, 7.814278 51.67627, 7.814278 54.52456, 10.97834 51.89375, 10.97834 55.43241, 13.2635 52.53992))" #> [2] "POLYGON ((14.25959 41.39107, 12.56037 41.05074, 12.56037 44.02873, 14.25959 44.9936, 14.25959 41.39107))" #> [3] "POLYGON ((14.25959 52.84759, 18.36115 54.11446, 21.87678 53.80419, 24.68928 54.21736, 28.2049 54.32002, 30.49006 52.85948, 34.70881 52.75322, 35.93928 50.46132, 39.63068 49.55761, 40.86115 46.38139, 34.00568 45.2791, 33.30256 48.63687, 30.1385 49.78513, 28.38068 47.22364, 29.78693 44.65729, 27.67756 42.6222, 23.10725 43.77542, 24.5135 47.10412, 26.79865 49.55761, 23.98615 52.0021, 23.63459 49.44345, 19.41584 47.58057, 19.59162 44.90682, 20.11897 42.36297, 22.93147 40.65185, 25.56818 39.98171, 29.61115 40.78508, 32.951 40.38459, 32.951 37.37492, 26.27131 33.6562, 22.05256 36.81408, 18.71272 36.10722, 18.53693 39.16879, 15.37287 38.34636, 15.19709 41.57884, 14.25959 41.39107, 14.25959 44.9936, 15.19709 45.52594, 16.42756 48.05272, 17.48225 48.86866, 14.25959 48.37437, 14.25959 52.84759))"
wkt_parse(wkt, geom_big = "axe", 20)
#> [1] "POLYGON ((4.259591 34.78782, 0.9588093 31.58364, -5.545097 35.68001, -6.775566 40.51835, -9.412284 38.34636, -12.40057 35.10684, -15.74041 38.07011, -14.68572 41.31532, -11.69744 43.64836, -8.884941 42.88036, -4.314628 43.52103, -8.357597 47.22364, -8.181816 50.12442, -5.017753 49.55761, -2.732597 46.25999, -1.677909 44.15498, -1.326347 39.30494, 2.189278 41.44722, 4.259591 43.09461, 4.259591 34.78782))" #> [2] "POLYGON ((4.259591 43.5926, 2.189278 46.74397, 1.837716 50.34928, 4.259591 50.02727, 4.259591 43.5926))" #> [3] "POLYGON ((24.25959 43.48465, 23.10725 43.77542, 24.25959 46.50311, 24.25959 43.48465))" #> [4] "POLYGON ((23.92866 51.58364, 23.63459 49.44345, 19.41584 47.58057, 19.59162 44.90682, 20.11897 42.36297, 22.93147 40.65185, 24.25959 40.3143, 24.25959 35.16204, 22.05256 36.81408, 18.71272 36.10722, 18.53693 39.16879, 15.37287 38.34636, 15.19709 41.57884, 12.56037 41.05074, 12.56037 44.02873, 15.19709 45.52594, 16.42756 48.05272, 17.48225 48.86866, 10.62678 47.81718, 9.572091 44.15498, 8.165841 40.51835, 6.056466 36.53211, 4.259591 34.78782, 4.259591 43.09461, 4.474434 43.26557, 4.259591 43.5926, 4.259591 50.02727, 6.935372 49.67151, 5.542306 51.58364, 23.92866 51.58364))" #> [5] "POLYGON ((35.33673 51.58364, 35.93928 50.46132, 39.63068 49.55761, 40.86115 46.38139, 34.00568 45.2791, 33.30256 48.63687, 30.1385 49.78513, 28.38068 47.22364, 29.78693 44.65729, 27.67756 42.6222, 24.25959 43.48465, 24.25959 46.50311, 24.5135 47.10412, 26.79865 49.55761, 24.46761 51.58364, 35.33673 51.58364))" #> [6] "POLYGON ((24.25959 40.3143, 25.56818 39.98171, 29.61115 40.78508, 32.951 40.38459, 32.951 37.37492, 26.27131 33.6562, 24.25959 35.16204, 24.25959 40.3143))" #> [7] "POLYGON ((13.2635 52.53992, 18.36115 54.11446, 21.87678 53.80419, 24.25959 54.15424, 24.25959 51.76444, 23.98615 52.0021, 23.92866 51.58364, 5.542306 51.58364, 5.001778 52.32557, 7.814278 51.67627, 7.814278 54.52456, 10.97834 51.89375, 10.97834 55.43241, 13.2635 52.53992))" #> [8] "POLYGON ((24.25959 54.15424, 24.68928 54.21736, 28.2049 54.32002, 30.49006 52.85948, 34.70881 52.75322, 35.33673 51.58364, 24.46761 51.58364, 24.25959 51.76444, 24.25959 54.15424))"
wkt_parse(wkt, geom_big = "axe", 10)
#> [1] "POLYGON ((-5.740409 36.44801, -6.775566 40.51835, -9.412284 38.34636, -12.40057 35.10684, -15.74041 38.07011, -14.68572 41.31532, -14.34205 41.58364, -5.740409 41.58364, -5.740409 36.44801))" #> [2] "POLYGON ((4.259591 34.78782, 0.9588093 31.58364, -5.545097 35.68001, -5.740409 36.44801, -5.740409 41.58364, -1.491522 41.58364, -1.326347 39.30494, 2.189278 41.44722, 2.360722 41.58364, 4.259591 41.58364, 4.259591 34.78782))" #> [3] "POLYGON ((14.25959 41.39107, 12.56037 41.05074, 12.56037 41.58364, 14.25959 41.58364, 14.25959 41.39107))" #> [4] "POLYGON ((8.577777 41.58364, 8.165841 40.51835, 6.056466 36.53211, 4.259591 34.78782, 4.259591 41.58364, 8.577777 41.58364))" #> [5] "POLYGON ((21.39992 41.58364, 22.93147 40.65185, 24.25959 40.3143, 24.25959 35.16204, 22.05256 36.81408, 18.71272 36.10722, 18.53693 39.16879, 15.37287 38.34636, 15.19709 41.57884, 14.25959 41.39107, 14.25959 41.58364, 21.39992 41.58364))" #> [6] "POLYGON ((24.25959 40.3143, 25.56818 39.98171, 29.61115 40.78508, 32.951 40.38459, 32.951 37.37492, 26.27131 33.6562, 24.25959 35.16204, 24.25959 40.3143))" #> [7] "POLYGON ((-14.34205 41.58364, -11.69744 43.64836, -8.884941 42.88036, -5.740409 43.32116, -5.740409 41.58364, -14.34205 41.58364))" #> [8] "POLYGON ((-5.740409 44.82678, -8.357597 47.22364, -8.181816 50.12442, -5.740409 49.68707, -5.740409 44.82678))" #> [9] "POLYGON ((-5.740409 43.32116, -4.314628 43.52103, -5.740409 44.82678, -5.740409 49.68707, -5.017753 49.55761, -2.732597 46.25999, -1.677909 44.15498, -1.491522 41.58364, -5.740409 41.58364, -5.740409 43.32116))" #> [10] "POLYGON ((2.360722 41.58364, 4.259591 43.09461, 4.259591 41.58364, 2.360722 41.58364))" #> [11] "POLYGON ((4.259591 43.5926, 2.189278 46.74397, 1.837716 50.34928, 4.259591 50.02727, 4.259591 43.5926))" #> [12] "POLYGON ((12.56037 41.58364, 12.56037 44.02873, 14.25959 44.9936, 14.25959 41.58364, 12.56037 41.58364))" #> [13] "POLYGON ((14.25959 48.37437, 10.62678 47.81718, 9.572091 44.15498, 8.577777 41.58364, 4.259591 41.58364, 4.259591 43.09461, 4.474434 43.26557, 4.259591 43.5926, 4.259591 50.02727, 6.935372 49.67151, 5.542306 51.58364, 14.25959 51.58364, 14.25959 48.37437))" #> [14] "POLYGON ((24.25959 43.48465, 23.10725 43.77542, 24.25959 46.50311, 24.25959 43.48465))" #> [15] "POLYGON ((23.92866 51.58364, 23.63459 49.44345, 19.41584 47.58057, 19.59162 44.90682, 20.11897 42.36297, 21.39992 41.58364, 14.25959 41.58364, 14.25959 44.9936, 15.19709 45.52594, 16.42756 48.05272, 17.48225 48.86866, 14.25959 48.37437, 14.25959 51.58364, 23.92866 51.58364))" #> [16] "POLYGON ((34.25959 45.31993, 34.00568 45.2791, 33.30256 48.63687, 30.1385 49.78513, 28.38068 47.22364, 29.78693 44.65729, 27.67756 42.6222, 24.25959 43.48465, 24.25959 46.50311, 24.5135 47.10412, 26.79865 49.55761, 24.46761 51.58364, 34.25959 51.58364, 34.25959 45.31993))" #> [17] "POLYGON ((35.33673 51.58364, 35.93928 50.46132, 39.63068 49.55761, 40.86115 46.38139, 34.25959 45.31993, 34.25959 51.58364, 35.33673 51.58364))" #> [18] "POLYGON ((13.2635 52.53992, 14.25959 52.84759, 14.25959 51.58364, 5.542306 51.58364, 5.001778 52.32557, 7.814278 51.67627, 7.814278 54.52456, 10.97834 51.89375, 10.97834 55.43241, 13.2635 52.53992))" #> [19] "POLYGON ((14.25959 52.84759, 18.36115 54.11446, 21.87678 53.80419, 24.25959 54.15424, 24.25959 51.76444, 23.98615 52.0021, 23.92866 51.58364, 14.25959 51.58364, 14.25959 52.84759))" #> [20] "POLYGON ((24.25959 54.15424, 24.68928 54.21736, 28.2049 54.32002, 30.49006 52.85948, 34.25959 52.76454, 34.25959 51.58364, 24.46761 51.58364, 24.25959 51.76444, 24.25959 54.15424))" #> [21] "POLYGON ((34.25959 52.76454, 34.70881 52.75322, 35.33673 51.58364, 34.25959 51.58364, 34.25959 52.76454))"
wkt_parse(wkt, geom_big = "axe", 5)
#> [1] "POLYGON ((-11.03829 36.58364, -12.40057 35.10684, -14.06504 36.58364, -11.03829 36.58364))" #> [2] "POLYGON ((-5.740409 36.44801, -5.774904 36.58364, -5.740409 36.58364, -5.740409 36.44801))" #> [3] "POLYGON ((-0.7404095 32.65386, -5.545097 35.68001, -5.740409 36.44801, -5.740409 36.58364, -0.7404095 36.58364, -0.7404095 32.65386))" #> [4] "POLYGON ((4.259591 34.78782, 0.9588093 31.58364, -0.7404095 32.65386, -0.7404095 36.58364, 4.259591 36.58364, 4.259591 34.78782))" #> [5] "POLYGON ((6.083733 36.58364, 6.056466 36.53211, 4.259591 34.78782, 4.259591 36.58364, 6.083733 36.58364))" #> [6] "POLYGON ((19.25959 36.22296, 18.71272 36.10722, 18.68536 36.58364, 19.25959 36.58364, 19.25959 36.22296))" #> [7] "POLYGON ((24.25959 35.16204, 22.36042 36.58364, 24.25959 36.58364, 24.25959 35.16204))" #> [8] "POLYGON ((20.96375 36.58364, 19.25959 36.22296, 19.25959 36.58364, 20.96375 36.58364))" #> [9] "POLYGON ((29.25959 35.31984, 26.27131 33.6562, 24.25959 35.16204, 24.25959 36.58364, 29.25959 36.58364, 29.25959 35.31984))" #> [10] "POLYGON ((31.52968 36.58364, 29.25959 35.31984, 29.25959 36.58364, 31.52968 36.58364))" #> [11] "POLYGON ((-10.74041 36.90657, -11.03829 36.58364, -14.06504 36.58364, -15.74041 38.07011, -14.68572 41.31532, -14.34205 41.58364, -10.74041 41.58364, -10.74041 36.90657))" #> [12] "POLYGON ((-5.774904 36.58364, -6.775566 40.51835, -9.412284 38.34636, -10.74041 36.90657, -10.74041 41.58364, -5.740409 41.58364, -5.740409 36.58364, -5.774904 36.58364))" #> [13] "POLYGON ((-1.491522 41.58364, -1.326347 39.30494, -0.7404095 39.66198, -0.7404095 36.58364, -5.740409 36.58364, -5.740409 41.58364, -1.491522 41.58364))" #> [14] "POLYGON ((-0.7404095 39.66198, 2.189278 41.44722, 2.360722 41.58364, 4.259591 41.58364, 4.259591 36.58364, -0.7404095 36.58364, -0.7404095 39.66198))" #> [15] "POLYGON ((8.577777 41.58364, 8.165841 40.51835, 6.083733 36.58364, 4.259591 36.58364, 4.259591 41.58364, 8.577777 41.58364))" #> [16] "POLYGON ((14.25959 41.39107, 12.56037 41.05074, 12.56037 41.58364, 14.25959 41.58364, 14.25959 41.39107))" #> [17] "POLYGON ((18.68536 36.58364, 18.53693 39.16879, 15.37287 38.34636, 15.19709 41.57884, 14.25959 41.39107, 14.25959 41.58364, 19.25959 41.58364, 19.25959 36.58364, 18.68536 36.58364))" #> [18] "POLYGON ((21.39992 41.58364, 22.93147 40.65185, 24.25959 40.3143, 24.25959 36.58364, 22.36042 36.58364, 22.05256 36.81408, 20.96375 36.58364, 19.25959 36.58364, 19.25959 41.58364, 21.39992 41.58364))" #> [19] "POLYGON ((24.25959 40.3143, 25.56818 39.98171, 29.25959 40.71522, 29.25959 36.58364, 24.25959 36.58364, 24.25959 40.3143))" #> [20] "POLYGON ((29.25959 40.71522, 29.61115 40.78508, 32.951 40.38459, 32.951 37.37492, 31.52968 36.58364, 29.25959 36.58364, 29.25959 40.71522))" #> [21] "POLYGON ((-14.34205 41.58364, -11.69744 43.64836, -10.74041 43.38703, -10.74041 41.58364, -14.34205 41.58364))" #> [22] "POLYGON ((-10.74041 43.38703, -8.884941 42.88036, -5.740409 43.32116, -5.740409 41.58364, -10.74041 41.58364, -10.74041 43.38703))" #> [23] "POLYGON ((-5.740409 44.82678, -7.658767 46.58364, -5.740409 46.58364, -5.740409 44.82678))" #> [24] "POLYGON ((-5.740409 43.32116, -4.314628 43.52103, -5.740409 44.82678, -5.740409 46.58364, -2.956877 46.58364, -2.732597 46.25999, -1.677909 44.15498, -1.491522 41.58364, -5.740409 41.58364, -5.740409 43.32116))" #> [25] "POLYGON ((2.360722 41.58364, 4.259591 43.09461, 4.259591 41.58364, 2.360722 41.58364))" #> [26] "POLYGON ((4.259591 43.5926, 2.294606 46.58364, 4.259591 46.58364, 4.259591 43.5926))" #> [27] "POLYGON ((9.259591 43.34684, 8.577777 41.58364, 4.259591 41.58364, 4.259591 43.09461, 4.474434 43.26557, 4.259591 43.5926, 4.259591 46.58364, 9.259591 46.58364, 9.259591 43.34684))" #> [28] "POLYGON ((12.56037 41.58364, 12.56037 44.02873, 14.25959 44.9936, 14.25959 41.58364, 12.56037 41.58364))" #> [29] "POLYGON ((10.27153 46.58364, 9.572091 44.15498, 9.259591 43.34684, 9.259591 46.58364, 10.27153 46.58364))" #> [30] "POLYGON ((14.25959 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