Dear Ruser,>
>
> I am trying to use the map library. But unfortunately I am facing the
> warning message above:
> Warning message:
> *In readGDAL(destfile, silent = TRUE) : GeoTransform values not available
> *
I want to use that library because I intend to plot some station in a
Brazilian map.
I really appreciate any help.
>
>
===here what I was testing=======> library(rgdal)
>
> library(RgoogleMaps)
> > GetMap(markers >
'40.702147,-74.015794,blues%7C40.711614,-74.012318,greeng%7C40.718217,-73.998284,redc',
> destfile = "MyTile1.png");
> Read 1 item
> [1]
>
"40.702147,-74.015794,blues%7C40.711614,-74.012318,greeng%7C40.718217,-73.998284,redc"
> [1] "
>
http://maps.google.com/staticmap?size=640x640&maptype=terrain&format=png32&key=ABQIAAAAxI1cqe7mY9FLRX4CNqunWxR8LwkFvv97NF1lW-Y0LTl6YI7YUhQOrY33MnadojnlYov4VGE9c1Msrg&sensor=true&markers=40.702147,-74.015794,blues%7C40.711614,-74.012318,greeng%7C40.718217,-73.998284,redc
> "
>
>
> > tmp <- PlotOnStaticMap(lat = c(40.702147,40.711614,40.718217), lon
> c(-74.015794,-74.012318,-73.998284), destfile = "MyTile1.png",
> cex=1.5,pch=20,col=c('red', 'blue', 'green'),
add=F)
> Read 1 item
> [1] "
>
http://maps.google.com/staticmap?center=40.710182,-74.007039&zoom=15&size=640x640&maptype=terrain&format=png32&key=ABQIAAAAxI1cqe7mY9FLRX4CNqunWxR8LwkFvv97NF1lW-Y0LTl6YI7YUhQOrY33MnadojnlYov4VGE9c1Msrg&sensor=true
> "
> center, zoom: 40.71018 -74.00704 15
> [1] "map Tile received"
> tmp2:[1] -0.0007824726 1.0007824726 -0.0007824726 1.0007824726
> par('usr')[1] -320 320 -320 320
> List of 4
> $ : num 40.7
> $ : num -74
> $ : num 15
> $ : int [1:640, 1:640] 683 683 683 683 683 683 683 683 683 683 ...
> ..- attr(*, "COL")= chr [1:1047] "#000000"
"#0044DF" "#004EF4" "#0052FF"
> ...
> ..- attr(*, "type")= chr "rgb"
> NULL
> [1] -204.0063 204.0063
> [1] -246.9831 247.0129
> Warning message:
> *In readGDAL(destfile, silent = TRUE) : GeoTransform values not available
> *
>
> >
>
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