Overlay mapCountryData with mapBars is not working.

[j p_]

Dear all,

I am trying to overlay bar charts with a country data map. This does not work , the only thing that works is overlaying the bar chart with the map picture.

Here you find the not working code.

 CP = colorRampPalette(brewer.pal(9,"Blues"))(100)
  worldmap = joinCountryData2Map(raw_data,
                                 joinCode = "ISO3",
                                 nameJoinColumn = "ISO3")
  #mapDevice("x11")
  mapCountryData(worldmap,
                 nameColumnToPlot = "data",
                 catMethod = 'fixedWidth',
                 numCats = 100,
                 colourPalette = CP)

## some code to get  the new data for the barchart


mapBars(dF = df
            , nameX = "LON"
            , nameY = "LAT"
            , nameZs=c("A","B","C")
            , zColours=c(1:3)        
            , addCatLegend = TRUE
            , symbolSize = 4
            , barWidth = 4
            , borderCol = NA
            , add=T                                        
            )

Any ideas why this fails would be very welcome
Thank you
JP

[Wei Zhang]

https://nzprimarysectortrade.wordpress.com/2011/10/02/let-r-fly-visualizing-export-data-using-r/

https://cran.r-project.org/web/packages/TeachingDemos/index.html

The subfig function in the TeachingDemos package will get what you need.

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[j p_]

Thank you for the suggestion, i will play with the settings a bit. I was under the impression that the add=T flag in mapBars would take care of everything.

Jp

[j p_]

Actually it doenst really work for me. I cant get the bars to overlap the countries where i want them, also I would have to manually redo this every time i want a larger or smaller version of the map
:-(
JP

On Thursday, 27 April 2017 23:10:39 UTC+2, Wei Zhang wrote: