[R-sig-Geo] leaflet in shiny error message

basile.lenormand b@@||e@|enorm@nd @end|ng |rom protonm@||@com
Mon Jan 3 11:18:31 CET 2022


Thank you Ákos!
It works!
Have a great day!
Basile.


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‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
On Monday 3 January 2022 09:22, Bede-Fazekas Ákos <bfalevlist using gmail.com> wrote:

> Dear Basile,
>
> the %>% operator is accidentally commented out! Change
> fillOpacity = 0.7)#%>%
> to
> fillOpacity = 0.7) %>%
> and then setView() will get its first parameter called "map".
>
> HTH,
> Ákos Bede-Fazekas
> Centre for Ecological Research, Hungary
>
> 2022.01.03. 1:49 keltezéssel, basile.lenormand via R-sig-Geo írta:
>
> > Hello everyone!
> > I am trying to create a shiny app with leaflet stuff in it. I have a problem when I am displaying the application, I got this error message :
> > "Error in dispatch: argument "map" is missing, with no default".
> > I searched some clues on the net, I found some examples which are working but I do not get where I going wrong. I double checked the brackets, try to change the name of the map, put the name of the spatial data frame that I am using, etc.
> > If someone can give me some clues I will be really glad.
> > Have a great day,
> > thank you for your time,
> > Basile.
> > Here is my code:
> > ui <- fluidPage(
> > titlePanel(""),
> > sidebarLayout(
> > sidebarPanel(
> > helpText(""),
> > selectInput("var",
> > label = "Choose a variable to display",
> > choices = spdf$koppen,
> > selected = ""
> > ),
> > sliderInput("range", "surface brûlée en hectare", min(spdf$V11), max(spdf$V11),
> > value = range(df$V11), step = 2500
> > ),
> > sliderInput("range", "Nombre d'incendie", min(spdf$n), max(spdf$n),
> > value = range(df$V11), step = 2
> > ),
> > checkboxInput("legend", "Show legend", TRUE)),
> > mainPanel(leafletOutput("map"))
> > )
> > )
> > server <- function(input, output, session) {
> > output$map <- renderLeaflet({
> > leaflet(df) %>%
> > addTiles(group = "OSM") %>%
> > addProviderTiles("Esri.NatGeoWorldMap", group="ESRI") %>%
> > addProviderTiles("CartoDB.DarkMatter", group= "CartoDB") %>%
> > #fitBounds(~min(long), ~min(lat), ~max(long), ~max(lat))%>%
> > addPolygons(
> > data=spdf,
> > fillColor = "viridis",
> > weight = 0,
> > opacity = 1,
> > color = "white",
> > dashArray = "3",
> > fillOpacity = 0.7)#%>%
> > setView(lat= 44.2, lng=5.9, zoom=5)
> > })
> > }
> > shinyApp(ui, server)
> > Sent with ProtonMail Secure Email.
> > [[alternative HTML version deleted]]
> >
> > R-sig-Geo mailing list
> > R-sig-Geo using r-project.org
> > https://stat.ethz.ch/mailman/listinfo/r-sig-geo
>
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