culburra.Rmd

---
title: "Culburra Map"
author: "Dean Marchiori"
date: "04/02/2020"
output: html_document
editor_options: 
  chunk_output_type: console
---

```{r setup, include=FALSE}
knitr::opts_chunk$set(echo = TRUE)
```

# Setup  

```{r}
library(osmdata)
library(dodgr)
library(tidyverse)
library(sf)
```

# Bounding Box  

```{r}
bbox <- st_bbox(c(xmin = 150.739, 
                  xmax = 150.8, 
                  ymax = -34.903,
                  ymin = -34.94), 
                crs = st_crs(4326)) %>% 
  st_as_sfc()
```

# Get streets

```{r}
estimate_box <- osmdata::getbb("culburra beach, NSW, Australia")
streets_raw <- dodgr_streetnet(estimate_box, expand = 1)
```

# Clean streets  

```{r}
streets <- streets_raw %>% 
  st_intersection(bbox) %>% 
  select(osm_id, name, highway) %>% 
  filter(!osm_id %in% c(43928836, 394813974, 43928837, 404519947, 225636408, 225636411, 225636412, 225636406, 331330145, 4996645, 9642735 )) %>% 
  mutate(highway = fct_recode(highway, 
                              residential = "service",
                              residential = "unclassified",
                              path = "track",
                              path = "cycleway",
                              path = "footway"
                              )) 
```

# Make map

```{r}
ggplot(streets, aes(col = highway)) +
  geom_sf(data = filter(streets, highway == 'path'), alpha = 0.4, show.legend = F) +
  geom_sf(data = filter(streets, highway == 'residential'), alpha = 0.5, show.legend = F) +
  geom_sf(data = filter(streets, highway == 'secondary'), alpha = 0.9, show.legend = F) +
  scale_colour_manual(values =  c("path" = "#70838B", 
                                  "residential" = "#0A5D81", 
                                  "secondary" = "#0A5D81")) +
  labs(caption = "Culburra Beach",
       y = "") +
  expand_limits(y = c(-34.8980, -34.9482)) + 
  theme_minimal() +
  theme(
    plot.background = element_rect(fill = "#E4D9C6", color = NA),
    panel.background = element_rect(fill = "#E4D9C6",  color = NA),
    panel.grid = element_blank(), 
    axis.text = element_text(colour = "#C7B18A", family = "Ubuntu Mono"),
    axis.ticks = element_blank(), 
    panel.border = element_blank(), 
    plot.caption = element_text(family = "Ubuntu Mono", size = 85, vjust = -0.2, color = '#C7B18A'), 
    plot.margin = margin(22,10,22,10, "mm"))

ggsave('culburra.png', width = 297, height = 420, units = "mm", dpi = "retina")
```