update map growth map bounds

app/dashboard.Rmd

@@ -819,8 +819,46 @@ growth_counties <- reactive({
 })
 
 output$growth_map <- renderLeaflet({
-  leaflet() %>%
-    addProviderTiles("Stadia.AlidadeSmooth")
+  req(growth_counties(), input$growth_trend_map_slider, input$growth_map_metric)
+
+  counties_data <- growth_counties()
+  combined_geom <- st_union(counties_data)
+  growth_bbox <- st_bbox(combined_geom)
+
+  growth_year <- input$growth_trend_map_slider
+  growth_county_year <- counties_data %>%
+    filter(year == growth_year)
+
+  map <- leaflet() %>%
+    addProviderTiles("Stadia.AlidadeSmooth") %>%
+    fitBounds(
+      lng1 = growth_bbox[["xmin"]],
+      lng2 = growth_bbox[["xmax"]],
+      lat1 = growth_bbox[["ymin"]],
+      lat2 = growth_bbox[["ymax"]]
+    )
+
+  if (input$growth_map_metric == "Population") {
+    map <- map %>%
+      addPolygons(
+        data = growth_county_year,
+        fillColor = "red",
+        color = "red",
+        fillOpacity = ~population_opacity,
+        weight = 2
+      )
+  } else {
+    map <- map %>%
+      addPolygons(
+        data = growth_county_year,
+        fillColor = "blue",
+        color = "blue",
+        fillOpacity = ~housing_opacity,
+        weight = 2
+      )
+  }
+
+  map
 })
 
 observe({
@@ -924,7 +962,6 @@ output$test_dy <- renderDygraph({
 #3})
 ```
 
-### County Data {data-height=450 .no-padding}
 ```{r include=FALSE}
 # Growth - County Table