Hey Alexander, I can look into it for you but your links didn't work for me. One is broken and the other leads to a page where logging is required. If you can share an example file I would see if I can help.
On Fri, Jan 6, 2023 at 9:03 AM Alexander Ilich <ail...@usf.edu> wrote: > HDF Viewer<https://www.hdfgroup.org/downloads/hdfview/> can be a good way > to look at the structure of nc files to see where different information is > stored in the file. > ________________________________ > From: R-sig-Geo <r-sig-geo-boun...@r-project.org> on behalf of Nick Wray < > nickmw...@gmail.com> > Sent: Wednesday, November 9, 2022 5:53 AM > To: r-sig-geo@r-project.org <r-sig-geo@r-project.org> > Subject: [R-sig-Geo] getting data from an nc file > > Hello > > I am trying to get rainfall data from the UK chess-met site > > > https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Fcatalogue.ceh.ac.uk%2Fdatastore%2Feidchub%2F2ab15bf0-ad08-415c-ba64-831168be7293%2Fprecip%2F&data=05%7C01%7Cailich%40usf.edu%7C39cfc2a140934dc323d408dac240b9c0%7C741bf7dee2e546df8d6782607df9deaa%7C0%7C0%7C638060296454914830%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=AJ5Q%2BWYYGxbXJZjHxisFdGAAomjtIWn95k5r9vtXniw%3D&reserved=0 > > and here there are a large number of nc files eg > > "chess-met_precip_gb_1km_daily_20150101-20150131.nc" > > I’ve found various sources on the net for opening nc files, and getting the > data but when I try instructions like > > nc_data<-nc_open("chess-met_precip_gb_1km_daily_20150101-20150131.nc") > > lon <- ncvar_get(nc_data, "lon") > > lon > > > > the code works but all I get is a series of element numbers and no data: > > [,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8] > [,9] > [,10] [,11] [,12] > > [,13] [,14] [,15] [,16] [,17] [,18] [,19] > [,20] [,21] [,22] [,23] [,24] > > > > And similarly for latitude > > But if I open the nc file as a raster I get a raster precipitation plot of > Great Britain, which rather suggests that the lat and long values are in > there somewhere > > Can anyone help with getting the actual data sets out of an nc file? > > Thanks Nick Wray > > [[alternative HTML version deleted]] > > _______________________________________________ > R-sig-Geo mailing list > R-sig-Geo@r-project.org > > https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Fstat.ethz.ch%2Fmailman%2Flistinfo%2Fr-sig-geo&data=05%7C01%7Cailich%40usf.edu%7C39cfc2a140934dc323d408dac240b9c0%7C741bf7dee2e546df8d6782607df9deaa%7C0%7C0%7C638060296454914830%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=dOzJYz06Zy8XUTh05KFvBI%2BMF3n0clxcgCsILupkkps%3D&reserved=0 > [EXTERNAL EMAIL] DO NOT CLICK links or attachments unless you recognize > the sender and know the content is safe. > > [[alternative HTML version deleted]] > > _______________________________________________ > R-sig-Geo mailing list > R-sig-Geo@r-project.org > https://stat.ethz.ch/mailman/listinfo/r-sig-geo > [[alternative HTML version deleted]] _______________________________________________ R-sig-Geo mailing list R-sig-Geo@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-geo