Hi Mike, Thanks again. I am using Mac OS Here is the required info
> sessionInfo() R version 3.2.4 (2016-03-10) Platform: x86_64-apple-darwin13.4.0 (64-bit) Running under: OS X 10.11.6 (El Capitan) locale: [1] en_US.UTF-8/en_US.UTF-8/en_US.UTF-8/C/en_US.UTF-8/en_US.UTF-8 attached base packages: [1] stats graphics grDevices utils datasets methods base other attached packages: [1] rNOMADS_2.3.0 rvest_0.3.2 xml2_1.0.0 rgdal_1.1-10 raster_2.5-8 sp_1.2-3 loaded via a namespace (and not attached): [1] httr_1.1.0 magrittr_1.5 R6_2.1.2 rsconnect_0.4.3 tools_3.2.4 [6] Rcpp_0.12.4 grid_3.2.4 lattice_0.20-33 I am trying to read " tmax.01.2011040100.daily.grb2" from http://nomads.ncdc.noaa.gov/modeldata/cfsv2_forecast_ts_9mon/2011/201104/20110401/2011040100/ with regards -Deb On Tue, Sep 13, 2016 at 5:26 AM, Michael Sumner <mdsum...@gmail.com> wrote: > What is your computer system? What is the output of this? > > sessionInfo() > > If you point to a file I'll try it so I can tell you the minimum system > requirements. > > Cheers, Mike > > On Tue, 13 Sep 2016, 08:56 Debasish Pai Mazumder <pai1...@gmail.com> > wrote: > >> Thanks for your suggestion. I have checked and I don't have JPEG2000 in >> ggdalDrivers()). I am pretty new in R. I don't understand how to do I >> implement JPEG2000 (JP2OpenJPEG driver) in gdalDrivers() so that I can >> read grib2 files >> >> with regards >> -Deb >> >> On Sat, Sep 10, 2016 at 2:33 AM, Michael Sumner <mdsum...@gmail.com> >> wrote: >> >>> >>> >>> On Sat, 10 Sep 2016 at 07:12 Debasish Pai Mazumder <pai1...@gmail.com> >>> wrote: >>> >>>> Hi >>>> I am trying to read a grib2 file in R. >>>> >>>> Here is my script >>>> >>>> library(rgdal) >>>> library(sp) >>>> library(rNOMADS) >>>> gribfile<-"tmax.01.2011040100.daily.grb2" >>>> grib <- readGDAL(gribfile) >>>> >>>> I am getting following error : >>>> >>>> dec_jpeg2000: Unable to open JPEG2000 image within GRIB file. >>>> Is the JPEG2000 driver available?tmax.01.2011040100.daily.grb2 has GDAL >>>> driver GRIB >>>> and has 190 rows and 384 columns >>>> dec_jpeg2000: Unable to open JPEG2000 image within GRIB file. >>>> Is the JPEG2000 driver available?dec_jpeg2000: Unable to open JPEG2000 >>>> image within GRIB file. >>>> >>>> >>> Hi there, please check if JPEG2000 is in the gdalDrivers() list, i.e. >>> in >>> >>> rgdal::gdalDrivers()$name >>> >>> You are looking for one starting with "JP2" as per the list next to the >>> "JPEG2000" rows here: >>> >>> http://gdal.org/formats_list.html >>> >>> I have JP2OpenJPEG on one system, but not (for example) on the Windows >>> CRAN binary for rgdal, which is the only readily available Windows build >>> for this package. >>> >>> I you don't have it, you might try on a system that has the JP2OpenJPEG >>> driver, >>> or ask someone to try on your behalf. You'd want to find out if that will >>> enable this read for you before investing time in the Linux configuration. >>> >>> It's not too hard to set up a Linux system for this, but does assume a >>> bit of experience on your part. Some of the docker images in the >>> rockerverse have this all sorted I believe, but it's been a while since I >>> used them. >>> >>> https://hub.docker.com/u/rocker/ >>> >>> Cheers, Mike. >>> >>> >>> >>> >>>> Cheers >>>> -Deb >>>> >>>> [[alternative HTML version deleted]] >>>> >>>> ______________________________________________ >>>> R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see >>>> https://stat.ethz.ch/mailman/listinfo/r-help >>>> PLEASE do read the posting guide http://www.R-project.org/ >>>> posting-guide.html >>>> and provide commented, minimal, self-contained, reproducible code. >>>> >>> -- >>> Dr. Michael Sumner >>> Software and Database Engineer >>> Australian Antarctic Division >>> 203 Channel Highway >>> Kingston Tasmania 7050 Australia >>> >>> >> -- > Dr. Michael Sumner > Software and Database Engineer > Australian Antarctic Division > 203 Channel Highway > Kingston Tasmania 7050 Australia > > [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.