rstudioconf_demo.R

library(ggplot2)
library(ggirl)

# create the plot

plot <- ggplot() +
  geom_polygon( data=map_data("state"), aes(x=long, y=lat, group=group),
                fill="#cdddee", color="#7296bc" )+
  geom_point(data = data.frame(long = -77.01728, lat = 38.78125),
             aes(x=long, y=lat),
             size=8,
             shape = 23,
             color = "#404040",
             fill = "#f16529")+
  coord_map("albers",  lat0 = 45.5, lat1 = 29.5) +
  labs( x = "Longitude", y = "Latitude",
        title = "Greetings from rstudio::conf(2022)") +
  theme(text = element_text(size = 17))

# change these to whatever your email address, recipient, and message should be.
# The recipient must be in the US.

contact_email <- "" 

send_address <- address(name = "",
                        address_line_1 = "",
                        city = "",
                        state = "",
                        postal_code = "",
                        country = "US")

message <-  "This is a great conference, thanks for putting it on!"

# open the order page

ggpostcard(plot, contact_email,
           messages = message,
           send_addresses = send_address)