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+ Shiny app with slider map and init ts plot
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get_prism_r <- function(dates, var){ # dates = dates_then | ||
d <- d_prism_r |> | ||
filter( | ||
date %in% !!dates, | ||
variable == !!var) |> | ||
select(path_tif, lyr) | ||
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rast(unique(d$path_tif)) |> | ||
subset(d$lyr) |> | ||
mean() |> | ||
project(leaflet:::epsg3857) | ||
} | ||
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get_sst_r <- function(dates){ # dates = dates_then | ||
lyrs <- d_sst_r |> | ||
filter( | ||
date %in% !!dates) |> | ||
pull(lyr) | ||
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r_sst |> | ||
subset(lyrs) |> | ||
mean() |> | ||
project(leaflet:::epsg3857) | ||
} | ||
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map_then_now <- function( | ||
r_then, | ||
r_now, | ||
tiles = providers$CartoDB.DarkMatter, | ||
lgnd_then, | ||
lgnd_now, | ||
var_lbl, | ||
palette = "Spectral", | ||
palette_rev = TRUE){ | ||
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vals <- c(values(r_now, na.rm=T), values(r_then, na.rm=T)) | ||
pal <- colorNumeric( | ||
palette, vals, reverse = palette_rev, na.color = "transparent") | ||
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leaflet() |> | ||
addMapPane("left", zIndex = 0) |> | ||
addMapPane("right", zIndex = 0) |> | ||
addProviderTiles( | ||
tiles, | ||
options = pathOptions(pane = "left"), | ||
group = "base", | ||
layerId = "base_l") |> | ||
addProviderTiles( | ||
tiles, | ||
options = pathOptions(pane = "right"), | ||
group = "base", | ||
layerId = "base_r") |> | ||
addRasterImage( | ||
r_then, colors = pal, opacity = 0.8, project = F, | ||
options = leafletOptions(pane = "left"), | ||
group = "r_then") |> | ||
addRasterImage( | ||
r_now, colors = pal, opacity = 0.8, project = F, | ||
options = leafletOptions(pane = "right"), | ||
group = "r_now") |> | ||
addLayersControl(overlayGroups = c("r_then", "r_now")) |> | ||
addSidebyside( | ||
layerId = "sidecontrols", | ||
leftId = "base_l", | ||
rightId = "base_r") |> | ||
addControl( | ||
HTML(lgnd_then), | ||
position = "topleft") |> | ||
addControl( | ||
HTML(lgnd_now), | ||
position = "topright") |> | ||
addPolygons( | ||
data = tbeptools::tbsegshed, | ||
# label = ~long_name, | ||
color="white", weight = 2, fillOpacity=0) |> | ||
addLegend( | ||
pal = pal, | ||
values = vals, | ||
title = var_lbl) | ||
} |
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# TODO: | ||
# - [ ] style ggplotly https://rstudio.github.io/thematic/#shiny | ||
# - [ ] show sources for prism, sst, etc with About and links per card | ||
# - [ ] convert prism units: ºC -> ºF, mm -> in | ||
# - [ ] sel_t_var implement in map_prism_temp w/ avg | ||
# - [ ] swiper maps: precipitation, ocean temperature | ||
# - [ ] temp: heat index using dewpoint (`tdmean` -> humidity) | ||
# - [ ] prism: show `version`, `date_updated` | ||
# - [ ] swiper maps: leaflet-proxy-map updates to layers so can zoom / pan without refresh | ||
# - [ ] time series cards / panels | ||
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# devtools::install_local(here("../tbeptools"), force = T) | ||
# devtools::load_all(here::here("../tbeptools")) | ||
librarian::shelf( | ||
bsicons, bslib, dplyr, glue, here, leaflet, leaflet.extras2, lubridate, plotly, | ||
readr, scales, shiny, slider, | ||
tbep-tech/tbeptools, | ||
terra, thematic, tidyr) | ||
source(here("app/functions.R")) | ||
options(readr.show_col_types = F) | ||
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light <- bs_theme(preset = "flatly") | ||
dark <- bs_theme(preset = "darkly") | ||
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dir_prism <- here("data/prism") | ||
prism_csv <- here("data/prism.csv") | ||
sst_tif <- here("data/sst/tb_sst.tif") | ||
sst_csv <- here("data/sst/tb_sst.csv") | ||
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d_prism_r <- read_prism_rasters(dir_prism) | ||
yrs_prism <- range(year(d_prism_r$date)) | ||
now_prism <- max(d_prism_r$date) | ||
d_prism_z <- read_csv(prism_csv) | ||
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r_sst <- rast(sst_tif) | ||
d_sst_r <- tibble( | ||
lyr = names(r_sst)) |> | ||
separate(lyr, c("var", "date"), sep = "\\|", remove = F) |> | ||
mutate( | ||
date = as.Date(date)) | ||
yrs_sst <- range(year(d_sst_r$date)) | ||
now_sst <- max(d_sst_r$date) | ||
d_sst_z <- read_csv(sst_csv) |> | ||
mutate( | ||
date = as.Date(time)) |
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function(input, output, session) { | ||
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# dark_mode ---- | ||
observe(session$setCurrentTheme( | ||
if (isTRUE(input$dark_mode)) dark else light )) | ||
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# map_prism_temp ---- | ||
output$map_prism_temp <- renderLeaflet({ | ||
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# DEBUG | ||
# input <- list( | ||
# sld_md = as.Date("2024-07-22"), | ||
# sld_yrs_now = c(2024, 2024), | ||
# sld_yrs_then = c(1981, 2001)) | ||
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var = "tmax" | ||
var_lbl = "Temperature (°C)" | ||
md = sprintf("%02d-%02d", month(input$sld_t_md), day(input$sld_t_md)) | ||
yrs_now = input$sld_t_yrs_now[1]:input$sld_t_yrs_now[2] | ||
yrs_then = input$sld_t_yrs_then[1]:input$sld_t_yrs_then[2] | ||
dates_now = as.Date(glue("{yrs_now}-{md}")) | ||
dates_then = as.Date(glue("{yrs_then}-{md}")) | ||
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if (any(dates_now > now_prism)) | ||
dates_now[dates_now > now_prism] <- dates_now[dates_now > now_prism] - years(1) | ||
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yrs_now_rng <- year(dates_now) | ||
yrs_then_rng <- year(dates_then) | ||
if (length(yrs_now_rng) > 2) | ||
yrs_now_rng <- range(yrs_now_rng) | ||
if (length(yrs_then_rng) > 2) | ||
yrs_then_rng <- range(yrs_then_rng) | ||
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r_now <- get_prism_r(dates_now, var) | ||
r_then <- get_prism_r(dates_then, var) | ||
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lgnd_now <- glue( | ||
"<b>Now</b><br> | ||
{format(input$sld_t_md, '%b %d')}, | ||
{paste(yrs_now_rng, collapse = ' to ')}") | ||
lgnd_then <- glue( | ||
"<b>Then</b><br> | ||
{format(input$sld_t_md, '%b %d')}, | ||
{paste(yrs_then_rng, collapse = ' to ')}") | ||
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map_then_now( | ||
r_then, | ||
r_now, | ||
tiles = ifelse( | ||
isTRUE(input$dark_mode), | ||
providers$CartoDB.DarkMatter, | ||
providers$CartoDB.Positron), | ||
lgnd_then, | ||
lgnd_now, | ||
var_lbl) | ||
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}) | ||
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# map_prism_rain ---- | ||
output$map_prism_ppt <- renderLeaflet({ | ||
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# DEBUG | ||
# input <- list( | ||
# sld_md = as.Date("2024-07-22"), | ||
# sld_yrs_now = c(2024, 2024), | ||
# sld_yrs_then = c(1981, 2001)) | ||
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var = "ppt" | ||
var_lbl = "Rain (mm)" | ||
md = sprintf("%02d-%02d", month(input$sld_p_md), day(input$sld_p_md)) | ||
yrs_now = input$sld_p_yrs_now[1]:input$sld_p_yrs_now[2] | ||
yrs_then = input$sld_p_yrs_then[1]:input$sld_p_yrs_then[2] | ||
dates_now = as.Date(glue("{yrs_now}-{md}")) | ||
dates_then = as.Date(glue("{yrs_then}-{md}")) | ||
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if (any(dates_now > now_prism)) | ||
dates_now[dates_now > now_prism] <- dates_now[dates_now > now_prism] - years(1) | ||
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yrs_now_rng <- year(dates_now) | ||
yrs_then_rng <- year(dates_then) | ||
if (length(yrs_now_rng) > 2) | ||
yrs_now_rng <- range(yrs_now_rng) | ||
if (length(yrs_then_rng) > 2) | ||
yrs_then_rng <- range(yrs_then_rng) | ||
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r_now <- get_prism_r(dates_now, var) | ||
r_then <- get_prism_r(dates_then, var) | ||
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lgnd_now <- glue( | ||
"<b>Now</b><br> | ||
{format(input$sld_p_md, '%b %d')}, | ||
{paste(yrs_now_rng, collapse = ' to ')}") | ||
lgnd_then <- glue( | ||
"<b>Then</b><br> | ||
{format(input$sld_p_md, '%b %d')}, | ||
{paste(yrs_then_rng, collapse = ' to ')}") | ||
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map_then_now( | ||
r_then, | ||
r_now, | ||
tiles = ifelse( | ||
isTRUE(input$dark_mode), | ||
providers$CartoDB.DarkMatter, | ||
providers$CartoDB.Positron), | ||
lgnd_then, | ||
lgnd_now, | ||
var_lbl, | ||
palette = "Blues", | ||
palette_rev = F) | ||
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}) | ||
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# map_sst ---- | ||
output$map_sst <- renderLeaflet({ | ||
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# DEBUG | ||
# input <- list( | ||
# sld_o_md = as.Date("2024-07-22"), | ||
# sld_o_yrs_now = c(2024, 2024), | ||
# sld_o_yrs_then = c(1981, 2001)) | ||
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var_lbl = "Sea Surface Temperature (°C)" | ||
md = sprintf("%02d-%02d", month(input$sld_o_md), day(input$sld_o_md)) | ||
yrs_now = input$sld_o_yrs_now[1]:input$sld_o_yrs_now[2] | ||
yrs_then = input$sld_o_yrs_then[1]:input$sld_o_yrs_then[2] | ||
dates_now = as.Date(glue("{yrs_now}-{md}")) | ||
dates_then = as.Date(glue("{yrs_then}-{md}")) | ||
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if (any(dates_now > now_sst)) | ||
dates_now[dates_now > now_sst] <- dates_now[dates_now > now_sst] - years(1) | ||
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yrs_now_rng <- year(dates_now) | ||
yrs_then_rng <- year(dates_then) | ||
if (length(yrs_now_rng) > 2) | ||
yrs_now_rng <- range(yrs_now_rng) | ||
if (length(yrs_then_rng) > 2) | ||
yrs_then_rng <- range(yrs_then_rng) | ||
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r_now <- get_sst_r(dates_now) | ||
r_then <- get_sst_r(dates_then) | ||
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lgnd_now <- glue( | ||
"<b>Now</b><br> | ||
{format(input$sld_o_md, '%b %d')}, | ||
{paste(yrs_now_rng, collapse = ' to ')}") | ||
lgnd_then <- glue( | ||
"<b>Then</b><br> | ||
{format(input$sld_o_md, '%b %d')}, | ||
{paste(yrs_then_rng, collapse = ' to ')}") | ||
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map_then_now( | ||
r_then, | ||
r_now, | ||
tiles = ifelse( | ||
isTRUE(input$dark_mode), | ||
providers$CartoDB.DarkMatter, | ||
providers$CartoDB.Positron), | ||
lgnd_then, | ||
lgnd_now, | ||
var_lbl) | ||
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}) | ||
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# plot_sst ---- | ||
output$plot_sst <- plotly::renderPlotly({ | ||
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bay_segment <- "BCB" | ||
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d <- d_sst_z |> | ||
filter(bay_segment == !!bay_segment) |> | ||
mutate( | ||
year = year(time), | ||
date = sprintf( | ||
"%d-%02d-%02d", | ||
year(today()), month(time), day(time) ) |> | ||
as.POSIXct(), | ||
color = case_when( | ||
year == year(today()) ~ "red", | ||
year == year(today()) - 1 ~ "orange", | ||
.default = "gray") ) |> | ||
select(time, year, date, color, val) |> | ||
arrange(year, date, val) | ||
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yrs <- as.character(unique(d$year)) | ||
colors <- setNames(rep("darkgray", length(yrs)), yrs) | ||
colors[as.character(year(today()))] <- "red" | ||
colors[as.character(year(today()) - 1)] <- "orange" | ||
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d <- d |> | ||
group_by(year) |> | ||
mutate( | ||
val_sl = slider::slide_mean( | ||
val, before = 3L, after = 3L, step = 1L, | ||
complete = F, na_rm = T), | ||
txt_date = as.Date(time), | ||
txt_val = round(val_sl, 2) ) |> | ||
select(-time) |> | ||
ungroup() | ||
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# TODO: darkly theme w/ bslib | ||
g <- ggplot( | ||
d, | ||
aes( | ||
x = date, | ||
y = val_sl, | ||
group = year, | ||
color = factor(year), | ||
date = txt_date, | ||
value = txt_val)) + # frame = yday | ||
geom_line( | ||
# aes(text = text), | ||
alpha = 0.6) + | ||
scale_colour_manual( | ||
values = colors) + | ||
theme(legend.position = "none") + | ||
scale_x_datetime( | ||
labels = date_format("%b %d")) + | ||
labs( | ||
x = "Day of year", | ||
y = "Temperature ºC") | ||
g | ||
# x, y, alpha, color, group, linetype, size | ||
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# add color theming | ||
# https://rstudio.github.io/thematic/articles/auto.html | ||
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ggplotly(g, tooltip=c("date","value")) | ||
}) | ||
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} |
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