[R] plotting rasters - no plot, no error

[Michael Sumner]

On Wed, 15 Apr 2015 at 00:50 Monica Pisica <pisicandru at hotmail.com> wrote:

>
> Hi,
>
>
>
> I have the current version of R installed on 2 different Windows
> computers. On one i can plot using the plot function a raster in geotif
> format, on the other it plots only the axis, an empty color bar and no
> raster what so ever without generating any errors or warnings. So i suspect
> something is not installed properly, but i don't know what. Do you have any
> clues? I would really appreciate any insights. I need some instructions i
> can pass on to an IT person since i don't have rights on the computer that
> does not plot the raster.
>
>
>
Hello, can you try these on both systems and see if there's a difference?

 library(raster)
plot(raster(volcano))

plot(raster(volcano), useRaster = TRUE)

the useRaster argument refers to use of graphics::rasterImage rather than
image.defaul under (package) raster's hood.

Cheers, Mike.


> On both computers i can plot lines, points, polygons, as graphic objects
> or shapefiles.
>
>
>
> Thanks so much, Monica
>
>
>
> The first PC that plots the raster:
>
> Sys.info()
>
>                      sysname                      release
>     version
>
>                    "Windows"                      "7 x64" "build 7601,
> Service Pack 1"
>
>                     nodename                      machine
>       login
>
>             "NODENAME"                     "x86-64"
>  "LOGIN"
>
>                         user               effective_user
>
>                       "MONICA"                       "MONICA"
>
>
>
> R.Version()
>
> $platform
>
> [1] "x86_64-w64-mingw32"
>
>
>
> $arch
>
> [1] "x86_64"
>
>
>
> $os
>
> [1] "mingw32"
>
>
>
> $system
>
> [1] "x86_64, mingw32"
>
>
>
> $status
>
> [1] ""
>
>
>
> $major
>
> [1] "3"
>
>
>
> $minor
>
> [1] "1.3"
>
>
>
> $year
>
> [1] "2015"
>
>
>
> $month
>
> [1] "03"
>
>
>
> $day
>
> [1] "09"
>
>
>
> $`svn rev`
>
> [1] "67962"
>
>
>
> $language
>
> [1] "R"
>
>
>
> $version.string
>
> [1] "R version 3.1.3 (2015-03-09)"
>
>
>
> $nickname
>
> [1] "Smooth Sidewalk"
>
>
>
> Libraries i loaded: maptools, raster, rgdal, sp, CircStats, rgeos, stringr
>
>
>
> The computer that does not plot the raster:
>
> Sys.info()
>
>                      sysname                      release
>     version                     nodename
>
>                    "Windows"            "Server 2008 x64" "build 7601,
> Service Pack 1"              "NODENAME"
>
>                      machine                        login
>        user               effective_user
>
>                     "x86-64"                       "MONICA"
>        "MONICA"                       "MONICA"
>
>
>
> R.Version()
>
> $platform
>
> [1] "x86_64-w64-mingw32"
>
>
>
> $arch
>
> [1] "x86_64"
>
>
>
> $os
>
> [1] "mingw32"
>
>
>
> $system
>
> [1] "x86_64, mingw32"
>
>
>
> $status
>
> [1] ""
>
>
>
> $major
>
> [1] "3"
>
>
>
> $minor
>
> [1] "1.3"
>
>
>
> $year
>
> [1] "2015"
>
>
>
> $month
>
> [1] "03"
>
>
>
> $day
>
> [1] "09"
>
>
>
> $`svn rev`
>
> [1] "67962"
>
>
>
> $language
>
> [1] "R"
>
>
>
> $version.string
>
> [1] "R version 3.1.3 (2015-03-09)"
>
>
>
> $nickname
>
> [1] "Smooth Sidewalk"
>
>
>
> Libraries i loaded: maptools, raster, rgdal, sp, CircStats, rgeos, stringr
>
>
>
> again thanks so much,
>
> Monica
>
>
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