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NOTICE: This version of the NSF Unidata web site (archive.unidata.ucar.edu) is no longer being updated.
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De rien. You're welcome. Pascal Le 12/08/29 5:23, Tom Roche a écrit :
Pascal Oettli: MERCI BEAUCOUP! (though I would have thanked you earlier if I hadn't had to dig through the r-help digest first :-) Tom Roche Mon, 27 Aug 2012 23:31:23 -0400summary: I can successfully ncvar_put(...) data to a file, but when I try to ncvar_get(...) the same data I getError in if (nc$var[[li]]$hasAddOffset) addOffset = nc$var[[li]]$addOffset else addOffset = 0 : argument is of length zerohttps://stat.ethz.ch/pipermail/r-help/2012-August/322576.htmlThe following works fine for me:* > nc <- nc_open("~/GEIA_N2O_oceanic.nc")emi_n2o <- ncvar_get(nc, 'emi_n2o', start=c(1,1,1), count=c(-1,-1,1))And that appears to have been the problem, since when I -nc_open(netcdf.fp, - write=FALSE, - readunlim=TRUE) +netcdf.file <- nc_open(netcdf.fp, + write=FALSE, + readunlim=TRUE) I don't get the error when I subsequently ncvar_get, and the code @ https://github.com/TomRoche/GEIA_to_NetCDF now works. Dave Pierce: I assert that the current error is waaay too subtle: - I don't get an error when I nc_open without assigning. - I don't get an error when I ncvar_put to that file's datavar. - I only get an error when I ncvar_get from the datavar. - Nothing about the error text (IMHO) would lead one to the fix. (Note also that neither ncvar_put or nc_close appear to require assignment, which is probably what made me think I could nc_open without assignment.) Can ncdf4 be made to fail more helpfully? E.g., to fail immediately on nc_open without assignment? thanks again! Tom Roche <Tom_Roche@xxxxxxxxx>
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