using ggmap and ggplotly

Question

I am trying to use ggmap with ggplotly, and I am having trouble making the packages work together. A search for the error message got me here. However, I am not sure how the aes inheritance is/could be a problem. The strange thing is that 'myPlot' created with ggmap works just fine in RStudio, but cannot connect to ggplotly. The map data is from here.

Is it possible to get these two packages working together? (By the way, I cannot tag this as ggplotly, I dont think that package has been referenced on SO before.)

Code

lapply(list("ggplot2", "ggmap", "mapproj", "RCurl", "RJSONIO", "plyr"), 
       require, character.only=TRUE)
# install.packages("devtools")
library("devtools")
# install_github("plotly", "ropensci")
library(plotly)

mapImageData1 <- get_map(location = c(lon = -0.016179, lat = 51.538525),
                         color = "color",
                         source = "google",
                         maptype = "satellite",
                         zoom = 17)

myMap = ggmap(mapImageData1,
      extent = "device",
      ylab = "Latitude",
      xlab = "Longitude")

py <- plotly("RgraphingAPI", "ektgzomjbx")
res <- py$ggplotly(gg = p_map)

Error Message

res <- py$ggplotly(gg = p_map) Error in eval(expr, envir, enclos) : object 'lon' not found

Hardik Gupta · Accepted Answer · 2016-11-23 11:24:07Z

2

just replace within your existing dataframe the column names for latitude and longitude like this at the start

(if p_map is your dataframe)

setnames(p_map, "Latitude", "lat")
setnames(p_map, "Longitude", "lon")

answered Nov 23, 2016 at 11:24

Hardik Gupta

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