#'@export
#'@import "ggplot2"
view.bivmap <- function(obj){
if(class(obj)[1] != "bivmap")
stop("Object is not of class 'bivmap'.")
if("id" %in% names(obj$output_data)){
p <- ggplot() +
geom_polygon(data = obj$output_data, aes_string(x = 'long', y = 'lat', group = 'group', fill = 'hex_code'),
colour = "black", size = .1) +
scale_fill_identity() +
geom_path(data = obj$bord, aes_string(x = 'long', y = 'lat', group = 'group'), colour = "black") +
coord_fixed(xlim = c(obj$bbox[1], obj$bbox[3]), ylim = c(obj$bbox[2], obj$bbox[4])) +
theme(axis.line = element_blank(),
axis.text.x = element_blank(),
axis.text.y = element_blank(),
axis.ticks = element_blank(),
axis.title.x = element_blank(),
axis.title.y = element_blank(),
panel.background = element_blank())
}
else{
if (length(obj) == 3) {
p <- ggplot() +
geom_point(data = obj$output_data, aes_string(x = 'long', y = 'lat', colour = 'hex_code')) +
scale_color_identity() +
geom_path(data = obj$bord, aes_string(x = 'long', y = 'lat', group = 'group'), colour = "black") +
coord_fixed(xlim = c(obj$bbox[1], obj$bbox[3]), ylim = c(obj$bbox[2], obj$bbox[4]))
} else
p <- ggplot() +
geom_point(data = obj$output_data, aes_string(x = 'long', y = 'lat', colour = 'hex_code'), size = obj$size) +
scale_color_identity() +
geom_path(data = obj$bord, aes_string(x = 'long', y = 'lat', group = 'group'), colour = "black") +
coord_fixed(xlim = c(obj$bbox[1], obj$bbox[3]), ylim = c(obj$bbox[2], obj$bbox[4]))
}
p
}
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