From: Frederik Vanrenterghem <frederik@vanrenterghem.biz>
Date: Thu, 9 Nov 2017 11:20:12 +0000 (+0800)
Subject: Share scale across plots. Remove unused code.
X-Git-Url: http://git.vanrenterghem.biz/R/project-au-taxstats.git/commitdiff_plain/e1edd57fa5b695af2bccf3cb264a9856eb24b61b?ds=sidebyside

Share scale across plots. Remove unused code.
---

diff --git a/AU-taxstats.R b/AU-taxstats.R
index ed909fc..75154d4 100644
--- a/AU-taxstats.R
+++ b/AU-taxstats.R
@@ -41,8 +41,6 @@ if(!file.exists("data/SA3_2016_AUST.shp"))
   unzip(zipfile = "data/1270055001_sa3_2016_aust_shape.zip", exdir = "data/")
 
 sa3 <- st_read(dsn = "data/", layer = "SA3_2016_AUST", stringsAsFactors = FALSE)
-# This doesn't work
-#taxstats.sa3 <- merge(x = taxstats, y = sa3, by.x = "Postcode", by.y = "POA_CODE16", all.y = TRUE)
 
 # Create a matrix of intersecting postal codes and SA3's
 
@@ -66,8 +64,10 @@ cities = c("Perth","Melbourne","Sydney","Adelaide","Brisbane")
 plots <- function() {lapply(cities, function(x){
  plot <- ggplot(dplyr::filter(sa3, data.table::`%like%`(GCC_NAME16, x) )) +
   geom_sf(aes(fill = incomeperearningcapita, color = incomeperearningcapita)) +
-  scale_fill_viridis(name = "") +
-  scale_color_viridis(name = "") +
+  scale_fill_viridis(name = "",
+                     limits = c(min(sa3$incomeperearningcapita, na.rm = TRUE),max(sa3$incomeperearningcapita, na.rm = TRUE))) +
+  scale_color_viridis(name = "",
+                                limits = c(min(sa3$incomeperearningcapita, na.rm = TRUE),max(sa3$incomeperearningcapita, na.rm = TRUE))) +
   coord_sf(datum = NA) + # Work around https://github.com/tidyverse/ggplot2/issues/2071 to remove gridlines
   labs(title = paste0(x," \nincome distribution"),
        subtitle = "2014/15, in 1000s AUD",