R Notebook

library(bangladesh)
library(dplyr)

## 
## Attaching package: 'dplyr'

## The following objects are masked from 'package:stats':
## 
##     filter, lag

## The following objects are masked from 'package:base':
## 
##     intersect, setdiff, setequal, union

library(sf)

## Linking to GEOS 3.13.1, GDAL 3.11.4, PROJ 9.7.0; sf_use_s2() is TRUE

library(tmap)

# Load the district shapefile
district <- get_map("district")

# Filter and transform
hub <- district %>%
  filter(District %in% c("Dhaka" , "Chittagong" , "Rajshahi")) %>%
  st_transform(4326)

sa

# tmap plot
tm_shape(hub) +
  tm_polygons(
    col = "blue",
    border.col = "black"
  ) +
  tm_text("District", size = 0.8) +
  tm_title("Major Transport Hub Districts of Bangladesh") +
  tm_compass(position = c("left", "bottom"), type = "8star", size = 5) +
tm_scalebar(position = c("right", "bottom"), text.size = 0.7) +  tm_grid(lines = TRUE, labels.size = 0.8, col = "gray90")

## 

## ── tmap v3 code detected ───────────────────────────────────────────────────────

## [v3->v4] `tm_polygons()`: use 'fill' for the fill color of polygons/symbols
## (instead of 'col'), and 'col' for the outlines (instead of 'border.col').
## This message is displayed once every 8 hours.

ttmp()

## ℹ tmap modes "plot" - "view"
## ℹ toggle with `tmap::ttm()`
## 
## 
## ── tmap v3 code detected ───────────────────────────────────────────────────────