Perseverance
R-bloggers 2025-11-21
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Day 18 of 30DayMapChallenge: « Out of this world » (previously).
Perseverance is still hiking…
library(dplyr)library(sf)library(ggplot2)library(glue)
Data
Scraping Where is Perseverance?.
if (!file.exists("M20_waypoints.json")) { download.file("https://mars.nasa.gov/mmgis-maps/M20/Layers/json/M20_waypoints.json", "M20_waypoints.json")}perseverance <- read_sf("M20_waypoints.json")Map
perseverance |> ggplot() + geom_sf(aes(color = sol)) + scale_color_viridis_c() + labs(title = "Perseverance", caption = glue("data: https://science.nasa.gov/mission/mars-2020-\\ perseverance/location-map/ https://r.iresmi.net/ - {Sys.Date()}")) + theme(panel.background = element_rect(fill = NA), plot.background = element_rect(fill = "sienna3", color = "sienna4"), text = element_text(color = "sienna4"), axis.text = element_text(color = "sienna4"), panel.grid = element_line(color = "sienna4"), legend.background = element_rect(fill = NA), plot.caption = element_text(size = 6))
Don’t ask me about Mars datum or projections, I have no idea how it works…
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