osm and 404 Bad Request

[topepo]

I'd like to get a map from California:

> sessionInfo()
R version 3.3.3 (2017-03-06)
Platform: x86_64-apple-darwin13.4.0 (64-bit)
Running under: macOS Sierra 10.12.4

locale:
[1] en_US.UTF-8/en_US.UTF-8/en_US.UTF-8/C/en_US.UTF-8/en_US.UTF-8

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base     

other attached packages:
[1] ggmap_2.7       ggplot2_2.2.1   devtools_1.12.0

loaded via a namespace (and not attached):
 [1] Rcpp_0.12.11      magrittr_1.5      maps_3.1.1        munsell_0.4.3    
 [5] colorspace_1.3-2  geosphere_1.5-5   lattice_0.20-35   rjson_0.2.15     
 [9] R6_2.2.0          jpeg_0.1-8        rlang_0.1.1.9000  dplyr_0.5.0      
[13] stringr_1.2.0     httr_1.2.1        plyr_1.8.4        tools_3.3.3      
[17] grid_3.3.3        gtable_0.2.0      png_0.1-7         DBI_0.6-1        
[21] git2r_0.18.0      withr_1.0.2       assertthat_0.2.0  lazyeval_0.2.0   
[25] digest_0.6.12     tibble_1.3.3      reshape2_1.4.2    mapproj_1.2-4    
[29] bitops_1.0-6      curl_2.6          memoise_1.1.0     sp_1.2-4         
[33] stringi_1.1.5     RgoogleMaps_1.4.1 scales_0.4.1      proto_1.0.0      
> qmap(location = c(lon = -121.3603, lat = 38.59298),
+      source = "osm")
Source : https://maps.googleapis.com/maps/api/staticmap?center=38.59298,-121.3603&zoom=10&size=640x640&scale=2&maptype=terrain
Warning in download.file(url, destfile = destfile, quiet = !messaging, mode = "wb") :
  cannot open URL 'http://tile.openstreetmap.org/cgi-bin/export?bbox=-121.799066479492,38.2481446540177,-120.920160229492,38.9350987006879&scale=575000&format=png': HTTP status was '400 Bad Request'
Error: map grabbing failed - see details in ?get_openstreetmap.
> 
> qmap(location = "Sacramento California",
+      source = "osm")

Source : https://maps.googleapis.com/maps/api/staticmap?center=Sacramento+California&zoom=10&size=640x640&scale=2&maptype=terrain
Source : https://maps.googleapis.com/maps/api/geocode/json?address=Sacramento%20California
Warning in download.file(url, destfile = destfile, quiet = !messaging, mode = "wb") :
  cannot open URL 'http://tile.openstreetmap.org/cgi-bin/export?bbox=-121.933166079492,38.2366819712304,-121.054259829492,38.9237451619276&scale=575000&format=png': HTTP status was '400 Bad Request'
Error: map grabbing failed - see details in ?get_openstreetmap.
> 
> qmap(bbox = c(left  = -121.6341, bottom = 38.4899, 
+               right = -121.0597, top    = 38.7669),
+      source = "osm")
Source : https://maps.googleapis.com/maps/api/staticmap?center=houston&zoom=10&size=640x640&scale=2&maptype=terrain
Source : https://maps.googleapis.com/maps/api/geocode/json?address=houston
Warning in download.file(url, destfile = destfile, quiet = !messaging, mode = "wb") :
  cannot open URL 'http://tile.openstreetmap.org/cgi-bin/export?bbox=-95.8085692794922,29.3776110727761,-94.9296630294922,30.1405978019282&scale=575000&format=png': HTTP status was '400 Bad Request'
Error: map grabbing failed - see details in ?get_openstreetmap.

[dkahle]

Unfortunately, OpenStreetMap is no longer really an option in ggmap. See #117 for details, and if you construct a workaround to another service, please submit a PR.