view | R Documentation |
Visualize geojson
view(x) view_(...)
x |
Input, a geojson character string or list. |
... |
Any geojson object, as list, json, or point, polygon, etc. class. |
view_
is a special interface to view
to accept
arbitrary input via ...
.
Opens a map with the geojson object(s).
## Not run: # from character string view(lawn_data$polygons_average) view(lawn_data$filter_features) view(lawn_data$polygons_within) view(lawn_data$polygons_count) # from json (a jsonlite class) library(jsonlite) x <- minify(lawn_data$points_count) class(x) view(x) # from a list (a single object) library("jsonlite") x <- fromJSON(lawn_data$polygons_average, FALSE) view(x) # From a list of many objects x <- list( lawn_point(c(-75.343, 39.984), properties = list(name = 'Location A')), lawn_point(c(-75.833, 39.284), properties = list(name = 'Location B')), lawn_point(c(-75.534, 39.123), properties = list(name = 'Location C')) ) view(x) # Use view_ to pass in arbitrary objects that will be combined view_( lawn_point(c(-75.343, 39.984), properties = list(name = 'Location A')), lawn_point(c(-75.833, 39.284), properties = list(name = 'Location B')), lawn_point(c(-75.534, 39.123), properties = list(name = 'Location C')) ) ## another eg, smile :) l1 <- list( c(-69.9609375, 35.460669951495305), c(-78.75, 39.095962936305504), c(-87.1875, 39.36827914916011), c(-92.46093749999999, 36.03133177633189) ) l2 <- list( c(-46.0546875, 8.7547947), c(-33.0468750, -0.7031074), c(-14.0625000, 0.0000000), c(-0.3515625, 9.4490618) ) l3 <- list( c(-1.40625, 38.81152), c(14.76562, 45.33670), c(23.20312, 45.58329), c(33.04688, 39.63954) ) view_(lawn_point(c(-30, 20)), lawn_linestring(l1), lawn_linestring(l2), lawn_linestring(l3) ) # From a geo_list object from geojsonio package # library("geojsonio") # vecs <- list(c(100.0,0.0), c(101.0,0.0), c(101.0,1.0), # c(100.0,1.0), c(100.0,0.0)) # x <- geojson_list(vecs, geometry="polygon") # view_(x) # view_(x, lawn_point(c(101, 0))) ## End(Not run)
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