CODEWITHSUNDEEP
rcolorsmapsplotlyfill
Luzia
Luzia

Reputation: 33

How can I color the areas in a map (e.g. Germany) without lines for the borders in plotly?

I want to color the areas of Germany in a map using plotly without lines for the borders. In my example the shape of the areas change (some triangles are added) when specifying mode="none" and I don't understand why. I want to use plotly and not plot for plotting the map because I want to create an interactive map. It would be great if someone could help me!

install.packages("rgeos")
install.packages("raster")
install.packages("sf")
install.packages("plotly")
install.packages("shiny")
library(rgeos)
library(raster)
library(sf) #converting map in a format for plotly
library(plotly)
library(shiny)


Germany <- getData('GADM', country='DE', level=1) 

germany_sf<- st_as_sf(Germany)
germany_sf$fill <- c(rep(c("blue", "green", "purple",  "orange"),4))

plot_ly(germany_sf, type="scatter", mode="none", split= ~ VARNAME_1, fillcolor= ~fill, opacity= 0.4, showlegend=FALSE)
plot_ly(germany_sf)  #correct shape but with lines for borders and not specific fillcolors. 
```

Upvotes: 2

Views: 368

Answers (1)

Marco Sandri
Marco Sandri

Reputation: 24262

To avoid colored borders, you can use the following solution:

plot_ly(germany_sf, type="scatter", split= ~VARNAME_1, 
        fillcolor= ~fill, color=NA, opacity=0.4, showlegend=FALSE)

enter image description here

Upvotes: 2

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