update readme for ggplot2 1.0.2

restonslacker · Dec 5, 2015 · c7f0723 · c7f0723
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diff --git a/README-maptypes-1.png b/README-maptypes-1.png
diff --git a/README-maptypes-2.png b/README-maptypes-2.png
diff --git a/README-maptypes-3.png b/README-maptypes-3.png
diff --git a/README-qmplot-1.png b/README-qmplot-1.png
diff --git a/README-qmplot-2.png b/README-qmplot-2.png
diff --git a/README.Rmd b/README.Rmd
@@ -22,9 +22,12 @@ ggmap makes it easy to retrieve raster map tiles from popular online mapping ser
 ```{r maptypes, message = FALSE}
 library(ggmap)
 
-ggmap(get_googlemap())
-ggmap(get_stamenmap())
-ggmap(get_stamenmap(maptype = "toner-background"))
+(map <- get_map("pat neff hall", zoom = 15))
+ggmap(map)
+
+(extent <- bb2bbox(attr(map, "bb")))
+ggmap(get_stamenmap(extent, zoom = 15))
+ggmap(get_stamenmap(extent, zoom = 15, maptype = "toner-background"))
 ```
 
 Use `qmplot()` in the same way you'd use `qplot()`, but with a map automatically added in the background:

diff --git a/README.md b/README.md
@@ -1,35 +1,38 @@
 <!-- README.md is generated from README.Rmd. Please edit that file -->
-
-
-
 ggmap
 =====
 
 ggmap makes it easy to retrieve raster map tiles from popular online mapping services like google maps, open street maps, cloudmade and stamen:
 
-``` {.r}
+``` r
 library(ggmap)
 
-ggmap(get_googlemap())
+(map <- get_map("pat neff hall", zoom = 15))
+#> 1280x1280 terrain map image from Google Maps.  see ?ggmap to plot it.
+ggmap(map)
 ```
 
 ![](README-maptypes-1.png)
 
-``` {.r}
-ggmap(get_stamenmap())
+``` r
+
+(extent <- bb2bbox(attr(map, "bb")))
+#>      left    bottom     right       top 
+#> -97.13503  31.53403 -97.10756  31.55743
+ggmap(get_stamenmap(extent, zoom = 15))
 ```
 
 ![](README-maptypes-2.png)
 
-``` {.r}
-ggmap(get_stamenmap(maptype = "toner-background"))
+``` r
+ggmap(get_stamenmap(extent, zoom = 15, maptype = "toner-background"))
 ```
 
 ![](README-maptypes-3.png)
 
 Use `qmplot()` in the same way you'd use `qplot()`, but with a map automatically added in the background:
 
-``` {.r}
+``` r
 downtown <- subset(crime,
   -95.39681 <= lon & lon <= -95.34188 &
    29.73631 <= lat & lat <=  29.78400
@@ -40,7 +43,7 @@ qmplot(lon, lat, data = downtown, maptype = "toner-background", color = I("red")
 
 ![](README-qmplot-1.png)
 
-``` {.r}
+``` r
 qmplot(lon, lat, data = downtown, maptype = "toner-lite", geom = "density2d", color = I("red"))
 ```