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#' Create a quick trajectory plot
#'
#' @inherit plot_trajectory
#' @seealso plot_trajectory
#'
#' @description
#' Compared to [plot_trajectory()] this function:
#' * is restricted to plotting only 5 years from the start year,
#' * outputs pretty legend labels, based on the column holding metrics,
#' * outputs a title,
#' * outputs a subtitle,
#' * outputs informative axis labels in sentence case.
#'
#' @export
#' @examples
#' # `data` must meet documented "Requirements"
#' data <- subset(
#' market_share,
#' sector == "power" &
#' technology == "renewablescap" &
#' region == "global" &
#' scenario_source == "demo_2020"
#' )
#'
#' qplot_trajectory(data)
qplot_trajectory <- function(data) {
env <- list(data = substitute(data))
check_plot_trajectory(
data,
value_col = c("percentage_of_initial_production_by_scope", "scope"),
env = env
)
data %>%
prep_trajectory(
convert_label = recode_metric_trajectory,
span_5yr = TRUE,
center_y = TRUE,
value_col = "percentage_of_initial_production_by_scope"
) %>%
plot_trajectory_impl(perc_y_scale = TRUE) %>%
labs_trajectory(data)
}
labs_trajectory <- function(p, data) {
technology <- spell_out_technology(p[["data"]][["technology"]][[1]])
sector <- tools::toTitleCase(p[["data"]][["sector"]][[1]])
min_year <- min(p[["data"]][["year"]], na.rm = TRUE)
scope <- data$scope[1]
p +
labs(
title = glue(
"Production Trajectory of {technology} Technology
in the {sector} Sector"
),
subtitle = glue(
"The coloured areas indicate trajectories in reference to a scenario.
The red area indicates trajectories not aligned with any sustainable \\
scenario."
),
x = "Year",
y = glue("Change in production relative to the total\ninitial production of {eval(parse(text = scope))} {scope} (%)")
)
}
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