У меня есть data.table со списком столбцов, содержащим полигоны объекта sf. При попытке построить график в ggplot выдает ошибку, как показано ниже
Предупреждающее сообщение:
Вычисление не удалось в stat_sf():
нет применимого метода для st_bbox, примененного к объекту класса "list"
вот мой код exec trails
> rqaforgeolocsource
sidentity TA lon lat az distance slocationzone
1: 10265(alpha) 112 82.40864 26.02195 120 8736 <sfc_POLYGON>
2: 10265(alpha) 99 82.40864 26.02195 120 7722 <sfc_POLYGON>
3: 10265(alpha) 123 82.40864 26.02195 120 9594 <sfc_POLYGON>
4: 10265(alpha) 97 82.40864 26.02195 120 7566 <sfc_POLYGON>
5: 10265(alpha) 111 82.40864 26.02195 120 8658 <sfc_POLYGON>
---
361: 10265(alpha) 114 82.40864 26.02195 120 8892 <sfc_POLYGON>
362: 10265(alpha) 88 82.40864 26.02195 120 6864 <sfc_POLYGON>
363: 10265(gamma) 78 82.40864 26.02195 330 6084 <sfc_POLYGON>
364: 10265(gamma) 76 82.40864 26.02195 330 5928 <sfc_POLYGON>
365: 10265(alpha) 119 82.40864 26.02195 120 9282 <sfc_POLYGON>
> rqaforgeolocsource$slocationzone[1]
[[1]]
Geometry set for 1 feature
geometry type: POLYGON
dimension: XY
bbox: xmin: 82.40029 ymin: 25.94242 xmax: 82.49667 ymax: 26.06784
epsg (SRID): 4326
proj4string: +proj=longlat +datum=WGS84 +no_defs
POLYGON ((82.48164 26.06641, 82.48165 26.0664, ...
> ggplot(data=rqaforgeolocsource)+geom_sf(aes(geometry=slocationzone))
Предупреждающее сообщение:
Вычисление не удалось в stat_sf():
нет применимого метода для st_bbox, примененного к объекту класса "list"
Я полагаю, что моя проблема происходит, так как столбец slocationzone моего data.table представляет собой список списка ...
так что ggplot жалуется ...
будет признателен за руководство по этому .....
Я пытался
ggplot (данные = rqaforgeolocsource) + geom_sf (АЕС (геометрия = slocationzone [1: nrow (rqaforgeolocsource)] [ 1 ])) ....
это дает мне только первый многоугольник
04/07 с добавлением dput
dput(rqaforgeolocsource[1])
structure(list(sidentity = "10265(alpha)", TA = 112L, lon = 82.4086436111111,
lat = 26.0219494444444, az = 120L, distance = 8736L, slocationzone = list(
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25.9427850139243, 25.9428010956224, 25.9428188073699,
25.9428381006216, 25.9428589224976, 25.9428812159283,
25.9429049198106, 25.9429299691756, 25.9429562953663,
25.9429838262263, 25.9430124862971, 25.943042197025,
25.9430728769767, 25.9431044420619, 25.9431368057645,
25.9431698793789, 25.9432035722539, 25.9432377920408,
25.9432724449462, 25.9433074359897, 25.9433426692638,
25.9433780481969, 25.943413475818, 25.9434488550225,
25.9434840888382, 25.9435190806913, 25.9435537346711,
25.9435879557927, 25.9436216502575, 25.9436547257104,
25.9436870914926, 25.9437186588904, 25.9437493413786,
25.9437790548569, 25.9438077178813, 25.9438352518866,
25.9438615814026, 25.9438866342599, 25.9439103417889,
25.943932639007, 25.9439534647974, 25.9439727620765,
25.9439904779502, 25.944006563859, 25.9440209757111,
25.9440336740033, 25.9440446239295, 25.9440537954755,
25.9440611635019, 25.9440667078128, 25.9440704132111,
25.9440722695402, 25.9440722717118, 25.9440704197199,
25.9439629747129, 25.9438797328518, 25.9438202562961,
25.9437845631283, 25.9437726641999, 25.9437845631283,
25.9438202562961, 25.9438797328517, 25.9439629747129,
25.9440699565723, 25.9442006459045, 25.9443550029771,
25.9445329808612, 25.9447345254467, 25.9449595754583,
25.945208062474, 25.9454799109454, 25.9457750382219,
25.9460933545736, 25.9464347632203, 25.9467991603597,
25.947186435199, 25.9475964699891, 25.9480291400588,
25.9484843138538, 25.9489618529757, 25.9494616122245,
25.9499834396416, 25.9505271765571, 25.9510926576358,
25.9516797109295, 25.9522881579274, 25.9529178136109,
25.9535684865088, 25.9542399787556, 25.9549320861529,
25.9556445982274, 25.9563772982991, 25.9571299635435,
25.9579023650603, 25.9586942679434, 25.95950543135, 25.9603356085759,
25.9611845471282, 25.9620519888034, 25.9629376697633,
25.9638413206177, 25.964762666504, 25.9657014271707,
25.966657317064, 25.9676300454105, 25.9686193163099,
25.9696248288218, 25.9706462770573, 25.9716833502711,
25.9727357329582, 25.973803104947, 25.9748851414969,
25.9759815133966, 25.9770918870662, 25.9782159246537,
25.9793532841431, 25.9805036194526, 25.9816665805442,
25.9828418135264, 25.9840289607644, 25.9852276609858,
25.9864375493929, 25.987658257772, 25.9888894146041,
25.9901306451808, 25.9913815717147, 25.9926418134565,
25.9939109868091, 25.9951887054453, 25.9964745804235,
25.9977682203082, 25.9990692312868, 26.0003772172907,
26.0016917801135, 26.0030125195365, 26.0043390334446,
26.0056709179523, 26.0070077675262, 26.0083491751071,
26.0096947322346, 26.0110440291707, 26.0123966550264,
26.0137521978822, 26.0151102449207, 26.0164703825437,
26.0178321965052, 26.0191952720337, 26.0205591939598,
26.021923546841, 26.0232879150918, 26.0246518831058,
26.0260150353861, 26.0273769566685, 26.028737232052,
26.030095447121, 26.0314511880755, 26.0328040418531,
26.0341535962596, 26.0354994400907, 26.0368411632593,
26.0381783569211, 26.0395106135971, 26.0408375273008,
26.0421586936591, 26.0434737100384, 26.044782175665,
26.0460836917498, 26.0473778616083, 26.0486642907822,
26.049942587161, 26.0512123610984, 26.0524732255371,
26.0537247961199, 26.0549666913136, 26.0561985325204,
26.0574199441988, 26.0586305539723, 26.0598299927494,
26.0610178948311, 26.0621938980264, 26.0633576437615,
26.0645087771899, 26.0656469472996, 26.0667766773186,
26.0668064162626, 26.0668371240068, 26.0668687163849,
26.0669011068058, 26.0669342064908, 26.0669679247173,
26.0670021690669, 26.0670368456791, 26.0670718595084,
26.0671071145849, 26.0671425142772, 26.0671779615574,
26.0672133592669, 26.067248610383, 26.0672836182844,
26.0673182870163, 26.0673525215535, 26.0673862280605,
26.0674193141492, 26.0674516891318, 26.0674832642694,
26.0675139530154, 26.0675436712524, 26.0675723375233,
26.0675998732543, 26.06762620297, 26.0676512545009, 26.0676749591807,
26.0676972520347, 26.0677180719583, 26.0677373618837,
26.067755068937, 26.0677711445829, 26.0677855447578,
26.0677982299905, 26.0678091655106, 26.0678183213434,
26.0678256723928, 26.0678311985091, 26.0678348845453,
26.0678367203977, 26.0678367010342, 26.067834826508,
26.0678311019571, 26.0678255375907, 26.0678181486608,
26.0678089554207, 26.0677979830692, 26.0677852616819,
26.0677708261284, 26.0677547159767, 26.067736975385,
26.0677176529808, 26.0676968017267, 26.0676744787765,
26.0676507453173, 26.0676256664027, 26.067599310774,
26.0675717506718, 26.0675430616382, 26.0664084460164), .Dim = c(510L,
2L))), class = c("XY", "POLYGON", "sfg"))), n_empty = 0L, crs = structure(list(
epsg = 4326L, proj4string = "+proj=longlat +datum=WGS84 +no_defs"), class = "crs"), class = c("sfc_POLYGON",
"sfc"), precision = 0, bbox = structure(c(xmin = 82.4002940830078,
ymin = 25.9424192759811, xmax = 82.4966663047437, ymax = 26.0678367203977
), class = "bbox")))), row.names = c(NA, -1L), class = c("data.table",
"data.frame"), .internal.selfref = <pointer: 0x0000000000331ef0>)
...
and the structure of **rqaforgeolocsource**
str(rqaforgeolocsource)
Classes ‘data.table’ and 'data.frame': 365 obs. of 7 variables:
$ sidentity : chr "10265(alpha)" "10265(alpha)" "10265(alpha)" "10265(alpha)" ...
$ TA : int 112 99 123 97 111 121 124 129 128 126 ...
$ lon : num 82.4 82.4 82.4 82.4 82.4 ...
$ lat : num 26 26 26 26 26 ...
$ az : int 120 120 120 120 120 120 120 120 120 120 ...
$ distance : int 8736 7722 9594 7566 8658 9438 9672 10062 9984 9828 ...
$ slocationzone:List of 365
..$ :sfc_POLYGON of length 1; first list element: List of 1
.. ..$ : num [1:510, 1:2] 82.5 82.5 82.5 82.5 82.5 ...
.. ..- attr(*, "class")= chr "XY" "POLYGON" "sfg"
..$ :sfc_POLYGON of length 1; first list element: List of 1
.. ..$ : num [1:510, 1:2] 82.5 82.5 82.5 82.5 82.5 ...
.. ..- attr(*, "class")= chr "XY" "POLYGON" "sfg"
дайте мне знать, если этого достаточно .. спасибо