diff --git a/DESCRIPTION b/DESCRIPTION index ebc821d77a6a327551d77c857ec7b446cefd3d35..4b23a4243f64fc755bf3dd47a878ec1b29e3dc1a 100644 --- a/DESCRIPTION +++ b/DESCRIPTION @@ -3,8 +3,7 @@ Title: Tools to Easily Read/Write NetCDF Files into/from Multidimensional R Arra Version: 0.0.3 Authors@R: c( person("BSC-CNS", role = c("aut", "cph")), - person("Nicolau", "Manubens", , "nicolau.manubens@bsc.es", role = c("aut", "cre")), - person("David", "Pierce", , "david.pierce@ucsd.edu", role = c("ctb"))) + person("Nicolau", "Manubens", , "nicolau.manubens@bsc.es", role = c("aut", "cre"))) Description: Set of wrappers for the 'ncdf4' package to simplify and extend its reading/writing capabilities into/from multidimensional R arrays. Depends: R (>= 2.14.1) @@ -16,4 +15,3 @@ URL: https://earth.bsc.es/gitlab/es/easyNCDF/wikis/home BugReports: https://earth.bsc.es/gitlab/es/easyNCDF/issues LazyData: true SystemRequirements: netcdf development libraries -NeedsCompilation: yes diff --git a/NAMESPACE b/NAMESPACE index de2ea6498dd7ab983da390c719217fb0561eb684..9baf4ba8a111978db85cafadba98485dab962144 100644 --- a/NAMESPACE +++ b/NAMESPACE @@ -1,4 +1,3 @@ -useDynLib(easyNCDF) exportPattern("^[^\\.]") import(ncdf4, abind) importFrom("stats", "setNames") diff --git a/R/NcToArray.R b/R/NcToArray.R index af82c5755ed2e8b9dc770dfb6c2566a98dc19246..5c7a91aaa367586c4659717c3e6a9c1599cdd9df 100644 --- a/R/NcToArray.R +++ b/R/NcToArray.R @@ -203,8 +203,8 @@ NcToArray <- function(file_to_read, dim_indices = NULL, vars_to_read = NULL, (length(file_object[['var']][[var_name]][['dim']]) > 1)) { start <- c(1, start) count <- c(-1, count) - ##original_ncvar_get_inner <- ncdf4:::ncvar_get_inner - ##assignInNamespace('ncvar_get_inner', .ncvar_get_inner, 'ncdf4') + ## original_ncvar_get_inner <- ncdf4:::ncvar_get_inner + ## assignInNamespace('ncvar_get_inner', .ncvar_get_inner, 'ncdf4') } var_result <- do.call('[', c(list(.ncvar_get(file_object, var_name, start, count, collapse_degen = FALSE)), lapply(indices_to_take, function(x) if (is_single_na(x)) TRUE else x - min(x) + 1), list(drop = FALSE))) diff --git a/R/Utils.R b/R/Utils.R index 5cd9374dfaf7a8edc2d391f0619c5bf0cd766b21..82c2fb6b8ad9a476c25efd90c06a07306e3392e5 100644 --- a/R/Utils.R +++ b/R/Utils.R @@ -203,880 +203,3 @@ names(dim(array1)) <- names(dim(array2)) array1 } - -# The functions from here on are copies of some functions in 'ncdf4' package -# with a small bugfix in ncvar_get_inner. When ncdf4 addresses this bug, these -# function will be removed from this package. -# This code belongs to David Pierce. -.ncvar_size <- function( ncid, varid ) { - - if( mode(ncid) != 'numeric' ) - stop(paste("error, must be passed a numeric first arg: ncid2use, not an arg of mode", mode(ncid))) - - if( mode(varid) != 'numeric' ) - stop("Error, must be passed a numeric second arg: varid2use" ) - - ndims <- .ncvar_ndims( ncid, varid ) - if( ndims == 0 ) - #return(vector()) changed DWP 2012-09-20 - return(1) # indicates a scalar var - - rv <- list() - rv$error <- -1 - rv$varsize <- integer(ndims) - rv$ndims <- -1 - rv <- .C("R_nc4_varsize", - as.integer(ncid), - as.integer(varid), - ndims=as.integer(rv$ndims), - varsize=as.integer(rv$varsize), - error=as.integer(rv$error), - PACKAGE="easyNCDF") - if( rv$error != 0 ) - stop("error returned from C routine R_nc4_varsize") - - #------------------------------------- - # Switch order from C-style to R-style - #------------------------------------- - rv$varsize <- rv$varsize[ ndims:1 ] - - return(rv$varsize) -} - -.ncvar_type <- function( ncid, varid, output_string=FALSE ) { - - if( mode(ncid) != 'numeric' ) - stop("error, must be passed a numeric first arg: ncid2use") - - if( mode(varid) != 'numeric' ) - stop("Error, must be passed a numeric second arg: varid2use" ) - - rv <- list() - rv$error <- -1 - rv$precint <- -1 - - rv <- .C("R_nc4_inq_vartype", - as.integer(ncid), - as.integer(varid), - precint=as.integer(rv$precint), - error=as.integer(rv$error), - PACKAGE="easyNCDF") - if( rv$error != 0 ) - stop("error returned from C call") - return( rv$precint ) -} - -.ncvar_ndims <- function( ncid, varid ) { - - if( mode(ncid) != 'numeric' ) - stop(paste("error, ncvar_ndims must be passed a numeric first arg; mode of val passed=", mode(ncid))) - - if( mode(varid) != 'numeric' ) - stop("Error, ncvar_ndims must be passed a numeric second arg: varid2use" ) - - rv <- list() - rv$error <- -1 - rv$ndims <- -1 - rv <- .C("R_nc4_inq_varndims", - as.integer(ncid), - as.integer(varid), - ndims=as.integer(rv$ndims), - error=as.integer(rv$error), - PACKAGE="easyNCDF") - if( rv$error != 0 ) - stop("error returned from C call") - return( rv$ndims ) -} - -.blankstring_ncdf4 <- function( n ) { - - rv <- .Call("R_nc4_blankstring", as.integer(n), PACKAGE="easyNCDF") - return( rv ) -} - -.ncvar_type_to_string <- function( precint ) { - - if( precint == 1 ) - prec <- "short" - else if( precint == 2 ) - prec <- "int" - else if( precint == 3 ) - prec <- "float" - else if( precint == 4 ) - prec <- "double" - else if( precint == 5 ) - prec <- "char" - else if( precint == 6 ) - prec <- "byte" - else if( precint == 7 ) - prec <- "unsigned byte" - else if( precint == 8 ) - prec <- "unsigned short" - else if( precint == 9 ) - prec <- "unsigned int" - else if( precint == 10 ) - prec <- "8 byte int" - else if( precint == 11 ) - prec <- "unsinged 8 byte int" - else if( precint == 12 ) - prec <- "string" - else - stop(paste("Error, unrecognized type code of variable supplied:", precint )) - - return( prec ) -} - -.ncvar_get_inner <- function( ncid, varid, missval, addOffset=0., scaleFact=1.0, start=NA, count=NA, verbose=FALSE, signedbyte=TRUE, - collapse_degen=TRUE, raw_datavals=FALSE ) { - - if( ! is.numeric(ncid)) - stop("Error, first arg passed to ncvar_get_inner (ncid) must be a simple C-style integer that is passed directly to the C api") - if( ! is.numeric(varid)) - - stop("Error, second arg passed to ncvar_get_inner (varid) must be a simple C-style integer that is passed directly to the C api") - - if( verbose ) { - print(paste("ncvar_get_inner: entering with (C-STYLE INTEGER ONLY) ncid=", ncid, - "varid=", varid )) - print(paste("ncvar_get_inner: following line is collapse_degen:")) - print(collapse_degen) - } - - tmp_typename = c('short', 'int', 'float', 'double', 'char', 'byte' ) - - have_start = (length(start)>1) || ((length(start)==1) && (!is.na(start))) - have_count = (length(count)>1) || ((length(count)==1) && (!is.na(count))) - - sm <- storage.mode(start) - if( (sm != "double") && (sm != "integer") && (sm != "logical")) - stop(paste("passed a start argument of storage mode",sm,"; can only handle double or integer")) - sm <- storage.mode(count) - if( (sm != "double") && (sm != "integer") && (sm != "logical")) - stop(paste("passed a 'count' argument with storage mode '",sm,"'; can only handle double or integer", sep='')) - - if( signedbyte ) - byte_style = 1 # 1=signed - else - byte_style = 2 # 2=unsigned - - varsize <- .ncvar_size ( ncid, varid ) - ndims <- .ncvar_ndims( ncid, varid ) - if( verbose ) { - print(paste("ndims:",ndims)) - print("ncvar_get: varsize:") - print(varsize) - } - - #------------------------------ - # Fix up start and count to use - #------------------------------ - if( ndims == 0 ) { - start <- 1 - count <- 1 - } - else - { - if( ! have_start ) - start <- rep(1,ndims) # Note: use R convention for now - if( ! have_count ) - count <- varsize - start + 1 - else - { - #------------------ - # Take care of -1's - #------------------ - count <- ifelse( (count == -1), varsize-start+1, count) - } - } - if( verbose ) { - print("ncvar_get: start:") - print(start) - print("ncvar_get: count:") - print(count) - } - - if( ndims > 0 ) { - if( length(start) != ndims ) - stop(paste("Error: variable has",ndims,"dims, but start has",length(start),"entries. They must match!")) - if( length(count) != ndims ) - stop(paste("Error: variable has",ndims,"dims, but count has",length(count),"entries. They must match!")) - } - - #---------------------------------------- - # Need to know how much space to allocate - #---------------------------------------- - totvarsize <- prod(count) - if( verbose ) - print(paste("ncvar_get: totvarsize:",totvarsize)) - - #-------------------------------------------------- - # Switch from R to C convention for start and count - #-------------------------------------------------- - c.start <- start[ ndims:1 ] - 1 - c.count <- count[ ndims:1 ] - - rv <- list() - rv$error <- -1 - - #--------------------------------- - # Get the correct type of variable - #--------------------------------- - precint <- .ncvar_type( ncid, varid ) # 1=short, 2=int, 3=float, 4=double, 5=char, 6=byte, 7=ubyte, 8=ushort, 9=uint, 10=int64, 11=uint64, 12=string - if( verbose ) - print(paste("ncvar_get_inner: getting var of type",tmp_typename[precint], 'id=', precint)) - - if( (precint == 1) || (precint == 2) || (precint == 6) || (precint == 7) || (precint == 8)) { - #-------------------------------- - # Short, Int, Byte, UByte, UShort - #-------------------------------- - rv <- .Call("Rsx_nc4_get_vara_int", - as.integer(ncid), - as.integer(varid), - as.integer(c.start), # Already switched to C convention... - as.integer(c.count), # Already switched to C convention... - as.integer(byte_style), # 1=signed, 2=unsigned - PACKAGE="easyNCDF") - if( rv$error != 0 ) - stop("C function Rsx_nc4_get_var_int returned error") - data = rv$data - } - - else if( (precint == 3) || (precint == 4)) { - #---------------------------------------------------------------- - # Float, double where we have the C routine fix the missing value - # 'imvstate' is: 0 if we do not have a missing value (it is NULL), - # 1 if the missing value is NA, 2 if the missing value is present - # and not NULL and not NA. These codes are used by the C routine - #---------------------------------------------------------------- - if( is.null( missval )) { - passed_missval = 0.0 - imvstate = as.integer(0) - } - else if( is.na(missval)) { - passed_missval = 0.0 - imvstate = as.integer(1) - } - else - { - passed_missval = missval - imvstate = as.integer(2) - } - - if( raw_datavals ) - fixmiss = as.integer(0) # setting 'raw_datavalues' to TRUE gives the actual raw numbers from the file, not processed at all - else - fixmiss = as.integer(1) - - if( verbose ) print('about to call Rsx_nc4_get_vara_double...') - rv <- .Call("Rsx_nc4_get_vara_double", - as.integer(ncid), - as.integer(varid), - as.integer(c.start), # Already switched to C convention... - as.integer(c.count), # Already switched to C convention... - fixmiss, - imvstate, - as.double(passed_missval), - PACKAGE="easyNCDF") - if( rv$error != 0 ) - stop("C function R_nc4_get_vara_double returned error") - if( verbose ) print('back from call to Rsx_nc4_get_vara_double...') - data = rv$data - } - - else if( (precint == 9) || (precint == 10) || (precint == 11)) { - #--------------------------------------------- - # uint, int64, uint64 - # Thanks to Tom Hilinski of Colorado State for - # fix to uint here - #--------------------------------------------- - rv$data <- double(totvarsize) - fixmiss = as.integer(0) - rv <- .Call("Rsx_nc4_get_vara_double", - as.integer(ncid), - as.integer(varid), - as.integer(c.start), # Already switched to C convention... - as.integer(c.count), # Already switched to C convention... - fixmiss, - as.integer(-1), # The 'imvstate' arg is unused in this call since no fixmiss - as.double(0.0), # the passed missing value is not used in this call since no fixmiss - PACKAGE="easyNCDF") - if( rv$error != 0 ) - stop("C function R_nc4_get_vara_double returned error") - data = rv$data - } - - else if( precint == 5 ) { - #----- - # Char - #----- - strndims <- ndims - 1 - strlen <- count[1] + 1 - strdim <- 1 - if( strndims >= 1 ) { - strdim <- count[2:ndims] - nstr <- prod(strdim) - } - else - nstr <- 1 - if(verbose) - print(paste("ndims:",ndims,"strndims:",strndims,"strlen:",strlen,"nstr:",nstr)) - - #---------------------------------------------- - # Make a character string of the specified size - #---------------------------------------------- - stor <- .blankstring_ncdf4( totvarsize ) - stordata <- .blankstring_ncdf4(strlen) - if( verbose ) - print(paste("length of stor string:",nchar(stor))) - rv$tempstore <- stor - rv$data <- array(stordata, dim=strdim) - - rv <- .C("R_nc4_get_vara_text", - as.integer(ncid), - as.integer(varid), - as.integer(c.start), # Already switched to C convention... - as.integer(c.count), # Already switched to C convention... - tempstore=as.character(rv$tempstore), - data=as.character(rv$data), - error=as.integer(rv$error), - PACKAGE="easyNCDF") - if( rv$error != 0 ) - stop("C function R_nc4_get_var_text returned error") - - dim(rv$data) <- strdim - } - - else if( precint == 12 ) { - #----------------------------- - # netcdf version 4 String type - #----------------------------- - rv <- .Call( "R_nc4_get_vara_string", - as.integer(ncid), - as.integer(varid), - as.integer(c.start), # Already switched to C convention... - as.integer(c.count), # Already switched to C convention... - PACKAGE="easyNCDF" ) - } - else - { - stop(paste("Trying to get variable of an unhandled type code: ",precint, "(", .ncvar_type_to_string(precint), ")")) - } - if( verbose ) { - print(paste("ncvar_get_inner: C call returned",rv$error)) - print(paste("ncvar_get_inner: dim of directly returned array:")) - print(dim(rv$data)) - } - - #-------------------------------------------------------- - # Set our dims...but collapse degenerate dimensions first - #-------------------------------------------------------- - if( ndims > 0 ) { - if( collapse_degen ) { - count.nodegen <- vector() - foundone <- 0 - for( i in 1:ndims ) - if( count[i] > 1 ) { - count.nodegen <- append(count.nodegen, count[i]) - foundone <- 1 - } - if( foundone == 0 ) - dim(rv$data) <- (1) - else - { - if( verbose ) - print(paste("count.nodegen:",count.nodegen," Length of data:",length(rv$data))) - if( precint != 5 ) - dim(rv$data) <- count.nodegen - } - } - else if (precint != 5) - dim(rv$data) = count - - if( verbose ) { - print("ncvar_get: final dims of returned array:") - print(dim(rv$data)) - } - } - - #---------------------------------------------------------- - # Change missing values to "NA"s. Note that 'varid2Rindex' - # is NOT filled out for dimvars, so skip this if a dimvar - # 1=short, 2=int, 3=float, 4=double, 5=char, 6=byte - # NOTE: if type is 3 or 4 (float or double), the missing - # value was already set by the C routine. - #---------------------------------------------------------- - if( (!raw_datavals) && (precint != 5) && (precint != 3) && (precint != 4) ) { # not char, float, or double - if( verbose ) print("ncvar_get: setting missing values to NA") - if( (precint==1) || (precint==2) || (precint==6) || (precint==7) || (precint==8) || (precint==9)) { - #-------------------------------------- - # Short, Int, Byte, UByte, UShort, UInt - #-------------------------------------- - if( verbose ) print(paste("ncvar_get_inner: setting ", tmp_typename[precint],"-type missing value of ", missval, " to NA", sep='')) - if( ! is.na(missval) ) - rv$data[rv$data==missval] <- NA - } - else if( (precint==10) || (precint==11)) { - #-------------------------------- - # 8-byte int, unsigned 8-byte int - #-------------------------------- - if( ! is.na(missval) ) { - tol <- abs(missval*1.e-5) - if( verbose ) print(paste("ncvar_get_inner: setting ", tmp_typename[precint],"-type missing value of ", missval, - " (w/tolerance ", tol,") to NA", sep='')) - rv$data[abs(rv$data-missval)=0) && (varid$id<=100000) && (varid$group_id >= 0)) - if( is.na(varidOK) || (!varidOK)) { - print("vobjtovarid4: I was passed a ncvar object, BUT this object does NOT refer to any valid var in the netcdf file!") - print(paste("This happened for netCDF filename:",nc$filename)) - print("Here are the vars in the netCDF file:") - for( ii in 1:nc$nvars ) - print(paste(ii,": ",nc$var[[ii]]$name, sep='' )) - print(paste("The passed varid object (which does NOT exist in that file) is:")) - print(origvarid) - print(paste("Hint: make SURE the variable was not only defined with a call to ncvar_def(), but also included in the list of variables passed to nc_create()")) - stop("stopping") - } - - if( verbose ) - print(paste("vobjtovarid4: returning with varid deduced from a passed ncvar object; varid=", - varid$group_id, varid$id)) - return(varid) # an object of class 'ncid4' - } - - #------------------------------------------------------------- - # Handle case where we are given an ncdim object to begin with - #------------------------------------------------------------- - if( class(varid) == "ncdim4" ) { - - if( ! allowdimvar ) - stop(paste("Error, I was NOT allowed to check dimvars, but the second argument passed was an object of class ncdim4! Name=", varid$name)) - - if(verbose) - print(paste("vobjtovarid4: passed a ncdim class, name=",varid$name)) - - #----------------------------------------------------------- - # Go through and find if there is a dim in the file that has - # the same name as this dim. We do not immediately use - # this dim's dimvarid in case the dim is from a different - # file but has the same name. - #----------------------------------------------------------- - name2find = varid$name - foundit = FALSE - for( idim in 1:nc$ndims ) { - if( nc$dim[[idim]]$name == name2find ) { - #------------------------------------------- - # Remember we return the DIMVAR, not the dim - #------------------------------------------- - retval = nc$dim[[idim]]$dimvarid # an object of type 'ncid' - foundit = TRUE - break - } - } - if( ! foundit ) - #----------------------------------------------------------- - # Return an ncid that indicates this is a dimvar but it does - # not exist in the file - #----------------------------------------------------------- - retval = .ncdf4_make_id( id=-1, group_index=-1, group_id=-1, list_index=-1, isdimvar=TRUE ) - - if( class(retval) != 'ncid4' ) - stop(paste("Internal error #C, returned varid is not a object of class ncid4. Case with ncdim object passed; ncdim name=", varid$name)) - - if( verbose ) - print(paste("vobjtovarid4: returning with varid deduced from a passed ncvar object; retval=", - retval$group_id, retval$id)) - return(retval) # an object of class 'ncid4' - } - - #---------------------------------------------------------- - # If we get here, 'varid' can be a NA or a character string - #---------------------------------------------------------- - - #--------------------------------------------------------------------------- - # If varid is NA, then return the only var in the file (if there IS only one - # var in the file). If there is more than one var in the file, return the - # one with the most dimensions, IF that highest-dimensionality var has more - # dimensions than any other var in the file. Otherwise, generate an error. - #--------------------------------------------------------------------------- - if( (length(varid)==1) && is.na(varid)) { - if( nc$nvars == 1 ) { - varToUse <- 1 - } - else - { - #------------------------------------------------------------ - # Choose the most complicated var, if there is one, otherwise - # halt with an error - #------------------------------------------------------------ - varToUse <- -1 - ndimsItHas <- -1 - for( ii in 1:nc$nvars ) { - if( nc$var[[ii]]$ndims > ndimsItHas ) { - varToUse <- ii - ndimsItHas <- nc$var[[ii]]$ndims - } - } - for( ii in 1:nc$nvars ) { - if( (ii != varToUse) && (nc$var[[ii]]$ndims == ndimsItHas)) { - stop(paste("File",nc$filename,"has more than one variable, so you must explicitly specify which one you want")) - } - } - } - varid <- nc$var[[varToUse]]$id # remember, an object of class 'ncid4', not a simple int - if( class(varid) != 'ncid4' ) - stop(paste("internal error #B, returned varid is not of class ncid4")) - - if( verbose ) - print(paste("vobjtovarid4: returning with only var in file; id=", - nc$var[[varToUse]]$id$group_id, nc$var[[varToUse]]$id$id)) - return( varid ) # an object of class 'ncid4' - } - - #--------------------------------------------------- - # If we get here, 'varid' must be a character string - #--------------------------------------------------- - if( ! is.character(varid)) - stop("internal error: location #M: varid is not a character string!") - - origvarid <- varid - - #------------------------------------------- - # Make sure var name follows our conventions - #------------------------------------------- - if( substr(varid,1,1) == '/' ) - stop(paste("Error, I was given a name that starts with a slash; fully qualified names NEVER start with a slash (this is required for backwards compatability). Leave off the leading slash!")) - - #-------------------------------------------- - # See if any vars in this file have this name - #-------------------------------------------- - varToUse <- -1 - if( nc$nvars > 0 ) { - for( kk in 1:nc$nvars ) { - if( origvarid == nc$var[[kk]]$name ) # check to see if fully qualified name matches - varToUse <- kk - } - } - - #--------------------------------- - # Found a var with the right name, - # return its ncid object - #--------------------------------- - if( varToUse != -1 ) { - if(verbose) - print(paste("Variable named",origvarid,"found in file with varid=", - nc$var[[varToUse]]$id$group_id, nc$var[[varToUse]]$id$id)) - varid <- nc$var[[varToUse]]$id # remember, an object of class 'ncid4', not a simple int - if( class(varid) != 'ncid4' ) { - print('---- varid:') - print(varid) - stop(paste("internal error #A, returned varid is not of class ncid4")) - } - return( varid ) # an object of class 'ncid4' - } - - #--------------------------------------------------------------- - # A var with this name was NOT found in the file. But, it could - # be the name of a dimvar in the file. Check to see if we are - # allowed to return dimvars in this case. - #--------------------------------------------------------------- - if( ! allowdimvar ) { - print("vobjtovarid4: error #G: I could not find the requested var in the file!") - print(paste("requested var name:",origvarid)) - print(paste("file name:",nc$filename)) - print("Note: I was NOT allowed to check to see if this was a dimvar name") - stop("Variable not found") - } - - if(verbose) - print(paste("Variable named",origvarid,"NOT found in file; looking for a dimvar with this name")) - - #----------------------------------------------- - # Check to see if passed name matches a dim name - #----------------------------------------------- - for( i in 1:nc$ndims ) { - if( origvarid == nc$dim[[i]]$name ) { - #--------------------- - # Yes, it IS a dimvar! - #--------------------- - varid <- nc$dim[[i]]$dimvarid # note: an object of class 'ncid4'. $id will be -1 if there is no dimvar - if( class(varid) != 'ncid4' ) - stop(paste("Internal error #D, returned varid is not a object of class ncid4")) - if( verbose ) - print(paste("vobjtovarid4: returning with DIMvarid deduced from name; varid=", - varid$group_id, varid$id)) - return(varid) # an object of class 'ncid4' - } - } - - #------------------------------------------------------------ - # If we get here, no dimvar with the requested name was found - #------------------------------------------------------------ - print("vobjtovarid4: error #F: I could not find the requsted var (or dimvar) in the file!") - print(paste("var (or dimvar) name:",origvarid)) - print(paste("file name:",nc$filename)) - stop("Variable not found") -} - -.ncvar_id_hier <- function( ncid, varname ) { - - if( mode(ncid) != 'numeric' ) - stop("error, must be passed a numeric first arg: ncid2use") - - if( mode(varname) != 'character' ) - stop("Error, must be passed a character second arg: varname" ) - - rv <- list() - rv$varid <- -1 - rv$groupid <- -1 - rv <- .C("R_nc4_inq_varid_hier", - as.integer(ncid), - as.character(varname), - groupid=as.integer(rv$groupid), - varid=as.integer(rv$varid), - PACKAGE="easyNCDF") - - retval = c( rv$varid, rv$groupid ) - return( retval ) -} - -.default_missval_ncdf4 <- function() -{ - return(1.e30) -} - -.ncvar_get <- function( nc, varid=NA, start=NA, count=NA, verbose=FALSE, signedbyte=TRUE, collapse_degen=TRUE, raw_datavals=FALSE ) { - - if( class(nc) != "ncdf4" ) - stop("first argument (nc) is not of class ncdf4!") - - if( verbose ) print(paste("ncvar_get: entering for read from file", nc$filename)) - - if( (mode(varid) != 'character') && (class(varid) != 'ncvar4') && (class(varid) != 'ncdim4') && (! is.na(varid))) - stop(paste("Error: second argument to ncvar_get must be an object of type ncvar or ncdim", - "(both parts of the ncdf object returned by nc_open()), the character-string name of a variable or dimension", - "or NA to get the default variable from the file. 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However, we all know that software configuration tools are" - echo "not that smart. If ncdf4 compiles fine for you, then please ignore this message. However, if" - echo "installation fails, it might be that you are using different compilers for R and the netcdf library." - echo "If so, then you must create a new version of the netcdf library that was compiled with the same" - echo "compiler that was used to install R (see information above). Then, try installing the ncdf4" - echo "package again using that new netcdf library. If necessary, you can specify the location of" - echo "the new nc-config (the one that uses the same compiler used by R) like this:" - echo " " - echo "R CMD INSTALL --configure-args=\"--with-nc-config=/home/joe/bin/nc-config\"" - echo " " - echo "(obviously, put in the correct path to YOUR nc-config, don't just use my example location!)" - echo "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<" - echo " " - fi - -fi - diff --git a/src/Makevars.in b/src/Makevars.in deleted file mode 100644 index 9175e8ef2eb29ded22614c0553e15fab83cd6342..0000000000000000000000000000000000000000 --- a/src/Makevars.in +++ /dev/null @@ -1,6 +0,0 @@ -##PKG_CPPFLAGS=-I/path/to/netcdf/header -##PKG_LIBS=-L/path/to/netcdf/lib -lnetcdf - -PKG_LIBS=@NETCDF_LDFLAGS@ -PKG_CPPFLAGS=@NETCDF_CPPFLAGS@ - diff --git a/src/Makevars.win b/src/Makevars.win deleted file mode 100644 index 15d0204c27298ee04a1f21e13d0d60aa015a613a..0000000000000000000000000000000000000000 --- a/src/Makevars.win +++ /dev/null @@ -1 +0,0 @@ -PKG_LIBS = -lnetcdf4 -L$(LIB_HDF5)/lib${R_ARCH} -lhdf5_hl -lhdf5 -lz diff --git a/src/easyNCDF.c b/src/easyNCDF.c deleted file mode 100644 index b4408b0536d5a377eddf3329caa530b111a39a4e..0000000000000000000000000000000000000000 --- a/src/easyNCDF.c +++ /dev/null @@ -1,733 +0,0 @@ -/* The functions in this file are copies of some functions in 'ncdf4' package, - * in order for the bugfix in .ncvar_get_inner in easyNCDF to work. When ncdf4 - * addresses this bug, these function will be removed from this package. - * This code belongs to David Pierce. - */ -#include -#include -#include -#include - -#include -#include - -/* These same values are hard-coded into the R source. Don't change them! - * Note that they are not the same as values defined in the netcdf - * library headers, since I don't want my R code to depend on those - */ -#define R_NC_TYPE_SHORT 1 -#define R_NC_TYPE_INT 2 -#define R_NC_TYPE_FLOAT 3 -#define R_NC_TYPE_DOUBLE 4 -#define R_NC_TYPE_TEXT 5 -#define R_NC_TYPE_BYTE 6 - -/* New types in netcdf version 4 */ -#define R_NC_TYPE_UBYTE 7 -#define R_NC_TYPE_USHORT 8 -#define R_NC_TYPE_UINT 9 -#define R_NC_TYPE_INT64 10 -#define R_NC_TYPE_UINT64 11 -#define R_NC_TYPE_STRING 12 - -int R_nc4_nctype_to_Rtypecode( nc_type nct ); -void R_nc4_varsize( int *ncid, int *varid, int *ndims, int *varsize, int *retval ); -void R_nc4_inq_vartype( int *ncid, int *varid, int *precint, int *retval ); -void R_nc4_inq_varndims( int *ncid, int *varid, int *ndims, int *retval ); -void R_nc4_open( char **filename, int *cmode, int *ncid, int *retval ); -void R_nc4_get_vara_text( int *ncid, int *varid, int *start, int *count, char **tempstore, char **data, int *retval ); -void R_nc4_close ( int *ncid ); -SEXP Rsx_nc4_get_vara_double( SEXP sx_ncid, SEXP sx_varid, SEXP sx_start, SEXP sx_count, SEXP sx_fixmiss, SEXP sx_imvstate, SEXP sx_missval ); -SEXP Rsx_nc4_get_vara_int ( SEXP sx_ncid, SEXP sx_varid, SEXP sx_start, SEXP sx_count, SEXP sx_byte_style ); -SEXP R_nc4_blankstring(SEXP size); -SEXP R_nc4_get_vara_string( SEXP sx_nc, SEXP sx_varid, SEXP sx_start, SEXP sx_count ); -void R_nc4_inq_varid_hier( int *ncid, char **varname, int *returned_grpid, int *returned_varid ); - -// Non-registered -int R_nc4_util_nslashes( char *s, int *idx_first_slash ); -void R_nc4_inq_varid_hier_inner( int *ncid, char *varname, int *returned_grpid, int *returned_varid ); - -/* For C calls that don't use SEXP type args */ -static const -R_CMethodDef cMethods[] = { - {"R_nc4_inq_varid_hier", (DL_FUNC) &R_nc4_inq_varid_hier, 4}, - {"R_nc4_nctype_to_Rtypecode", (DL_FUNC) &R_nc4_nctype_to_Rtypecode, 1}, - {"R_nc4_varsize", (DL_FUNC) &R_nc4_varsize, 5}, - {"R_nc4_inq_vartype", (DL_FUNC) &R_nc4_inq_vartype, 4}, - {"R_nc4_inq_varndims", (DL_FUNC) &R_nc4_inq_varndims, 4}, - {"R_nc4_open", (DL_FUNC) &R_nc4_open, 4}, - {"R_nc4_get_vara_text", (DL_FUNC) &R_nc4_get_vara_text, 7}, - {"R_nc4_close", (DL_FUNC) &R_nc4_close, 1}, - NULL -}; - -/* For C calls that use SEXP type args */ -static const -R_CallMethodDef callMethods[] = { - {"Rsx_nc4_get_vara_double", (DL_FUNC) &Rsx_nc4_get_vara_double, 7}, - {"Rsx_nc4_get_vara_int", (DL_FUNC) &Rsx_nc4_get_vara_int, 5}, - {"R_nc4_blankstring", (DL_FUNC) &R_nc4_blankstring, 1}, - {"R_nc4_get_vara_string", (DL_FUNC) &R_nc4_get_vara_string, 4}, - NULL -}; - -/********************************************************************* - * Register our extnal routines for R -*/ -void R_init_ncdf4( DllInfo *info ) -{ - R_registerRoutines( info, cMethods, callMethods, NULL, NULL ); - R_useDynamicSymbols( info, FALSE ); -} - -/********************************************************************* - * Converts from type "nc_type" to an integer as defined in the beginning - * of this file. We do NOT use the raw nc_type integers because then the - * R code would have a dependency on the arbitrary values in the netcdf - * header files! - */ -int R_nc4_nctype_to_Rtypecode( nc_type nct ) -{ - if( nct == NC_CHAR ) - return(R_NC_TYPE_TEXT); - else if( nct == NC_SHORT ) - return(R_NC_TYPE_SHORT); - else if( nct == NC_INT ) - return(R_NC_TYPE_INT); - else if( nct == NC_FLOAT ) - return(R_NC_TYPE_FLOAT); - else if( nct == NC_DOUBLE ) - return(R_NC_TYPE_DOUBLE); - else if( nct == NC_BYTE ) - return(R_NC_TYPE_BYTE); - - else if( nct == NC_UBYTE ) - return(R_NC_TYPE_UBYTE); - else if( nct == NC_USHORT ) - return(R_NC_TYPE_USHORT); - else if( nct == NC_UINT ) - return(R_NC_TYPE_UINT); - else if( nct == NC_INT64 ) - return(R_NC_TYPE_INT64); - else if( nct == NC_UINT64 ) - return(R_NC_TYPE_UINT64); - else if( nct == NC_STRING ) - return(R_NC_TYPE_STRING); - else - return(-1); -} - -/*********************************************************************/ -/* Returns a vector of dim sizes for the variable. - * 'retval' is 0 for no error, or -1 for an error. - */ -void R_nc4_varsize( int *ncid, int *varid, int *ndims, int *varsize, int *retval ) -{ - int i, err, dimid[NC_MAX_DIMS]; - size_t dimlen; - - *retval = 0; - - /* Get ndims */ - err = nc_inq_varndims( *ncid, *varid, ndims ); - if( err != NC_NOERR ) { - Rprintf( "Error in R_nc4_varsize on nc_inq_varndims call: %s\n", - nc_strerror(err) ); - *retval = -1; - return; - } - - /* Get dimids */ - err = nc_inq_vardimid( *ncid, *varid, dimid ); - if( err != NC_NOERR ) { - Rprintf( "Error in R_nc4_varsize on nc_inq_vardimid call: %s\n", - nc_strerror(err) ); - *retval = -1; - return; - } - - /* Get size of each dim */ - for( i=0; i<(*ndims); i++ ) { - err = nc_inq_dimlen( *ncid, dimid[i], &dimlen ); - if( err != NC_NOERR ) { - Rprintf( "Error in R_nc4_varsize on nc_inq_dimlen call: %s\n", - nc_strerror(err) ); - *retval = -1; - return; - } - varsize[i] = (int)dimlen; - } -} - -/*********************************************************************/ -void R_nc4_inq_vartype( int *ncid, int *varid, int *precint, int *retval ) -{ - nc_type nct; - - *retval = nc_inq_vartype( *ncid, *varid, &nct ); - - if( *retval != NC_NOERR ) - Rprintf( "Error in R_nc4_inq_var: %s\n", - nc_strerror(*retval) ); - - *precint = R_nc4_nctype_to_Rtypecode(nct); -} - -/*********************************************************************/ -void R_nc4_inq_varndims( int *ncid, int *varid, int *ndims, int *retval ) -{ - *retval = nc_inq_varndims(*ncid, *varid, ndims ); - if( *retval != NC_NOERR ) - Rprintf( "Error in R_nc4_inq_varndims: %s\n", - nc_strerror(*retval) ); -} - -/*********************************************************************/ -/* Inputs: - * sx_fixmiss : is 1 if we want to fix the missing values in this - * routine, and 0 otherwise - * sx_imvstate : 0=var has no missing value; 1=var has a NA for - * the missing value; 2=var has a valid, non-NA missing value - * - * Returns a list with elements: - * $error : 0 for success, -1 for error - * $data : array of integer values read in from the netcdf file - */ -SEXP Rsx_nc4_get_vara_double( SEXP sx_ncid, SEXP sx_varid, SEXP sx_start, SEXP sx_count, - SEXP sx_fixmiss, SEXP sx_imvstate, SEXP sx_missval ) -{ - SEXP sx_retval, sx_retnames, sx_reterr, sx_retdata; - int ncid, varid, i, err, ndims, fixmiss, imvstate, scalar_var; - double *p_data, missval, mvtol; - size_t s_start[MAX_NC_DIMS], s_count[MAX_NC_DIMS], tot_size; - char vn[2048]; - - /* Make space for our returned list, which will have - * two elements, named $error and $data - */ - PROTECT( sx_retval = allocVector( VECSXP, 2 )); /* 2 elements in returned list */ - - /* Set names for the returned list */ - PROTECT( sx_retnames = allocVector( STRSXP, 2 )); - SET_STRING_ELT( sx_retnames, 0, mkChar("error") ); - SET_STRING_ELT( sx_retnames, 1, mkChar("data" ) ); - setAttrib( sx_retval, R_NamesSymbol, sx_retnames ); - UNPROTECT(1); /* done with sx_retnames */ - - /* Set provisional 'no error' retval */ - PROTECT(sx_reterr = allocVector( INTSXP, 1 )); - INTEGER(sx_reterr)[0] = 0; - - ncid = INTEGER(sx_ncid )[0]; - varid = INTEGER(sx_varid )[0]; - fixmiss = INTEGER(sx_fixmiss )[0]; - imvstate = INTEGER(sx_imvstate)[0]; - missval = REAL (sx_missval )[0]; - - /* Get number of dimensions in this variable */ - err = nc_inq_varndims( ncid, varid, &ndims ); - if( err != NC_NOERR ) { - Rprintf( "Error in R_nc4_get_vara_double while getting ndims: %s\n", - nc_strerror(err) ); - INTEGER(sx_reterr)[0] = -1; - SET_VECTOR_ELT( sx_retval, 0, sx_reterr ); - UNPROTECT(2); - return( sx_retval ); - } - - /* Sanity check -- number of start and count elements must - match number of dims in the var - */ - scalar_var = ((ndims==0) && (GET_LENGTH(sx_start)==1) && (INTEGER(sx_start)[0]==0) && (INTEGER(sx_count)[0]==1)); - if( (!scalar_var) && (ndims != GET_LENGTH(sx_start))) { - Rprintf( "Error in R_nc4_get_vara_double: I think var has %d dimensions, but passed start array is length %d. They must be the same!\n", - ndims, GET_LENGTH(sx_start) ); - INTEGER(sx_reterr)[0] = -1; - SET_VECTOR_ELT( sx_retval, 0, sx_reterr ); - UNPROTECT(2); - return( sx_retval ); - } - - if( (!scalar_var) && (ndims != GET_LENGTH(sx_count))) { - Rprintf( "Error in R_nc4_get_vara_double: I think var has %d dimensions, but passed count array is length %d. They must be the same!\n", - ndims, GET_LENGTH(sx_count) ); - INTEGER(sx_reterr)[0] = -1; - SET_VECTOR_ELT( sx_retval, 0, sx_reterr ); - UNPROTECT(2); - return( sx_retval ); - } - - /* Get total number of elements we will be reading so we can - * allocate R space - */ - tot_size = 1L; - for( i=0; i= 0"); - - str = R_alloc(len + 1, sizeof(char)); - for (i = 0; i < len; ++i) - str[i] = ' '; - str[len] = '\0'; - - blank = PROTECT(NEW_CHARACTER(1)); - string = PROTECT(mkChar(str)); - SET_STRING_ELT(blank, 0, string); - UNPROTECT(2); - - return(blank); -} - -/********************************************************************************* - * Read vlen strings given the numeric varid, start, and count to use - */ -SEXP R_nc4_get_vara_string( SEXP sx_nc, SEXP sx_varid, SEXP sx_start, SEXP sx_count ) -{ - SEXP sx_retval, sx_retnames, sx_retstrings, sx_reterror; - int i, ierr, nchar, varid, ncid, ndims, count_int[MAX_NC_DIMS], start_int[MAX_NC_DIMS], len_count, len_start; - size_t count[MAX_NC_DIMS], start[MAX_NC_DIMS], tot_count, isz; - char **ss; - - /* Convert passed parameters (which are in R format) into C format */ - ncid = INTEGER(sx_nc )[0]; - varid = INTEGER(sx_varid)[0]; - - len_start = length(sx_start); - for( i=0; i%s<\n", varname ); */ - - /* Passed var name must not start with a slash */ - if( varname[0] == '/' ) { - Rprintf( "Error in R_nc4_varid_hier: passed varname must not start with a slash!\n" ); - *returned_varid = -1; - *returned_grpid = -1; - return; - } - - /* If there are no forward slashes in the name, then it is a simple var name */ - nslashes = R_nc4_util_nslashes( varname, &idx_first_slash ); -/* Rprintf("R_nc4_inq_varid_hier_inner: varname >%s< has nslashes=%d and idx first slash=%d\n", varname, nslashes, idx_first_slash ); */ - if( nslashes == 0 ) { - *returned_grpid = *ncid; - ierr = nc_inq_varid(*ncid, varname, returned_varid ); - if( ierr != NC_NOERR ) { - *returned_varid = -1; - *returned_grpid = -1; - } -/* Rprintf("R_nc4_inq_varid_hier_inner: Found id for var >%s< varid:%d gid:%d\n", varname, *returned_varid, *returned_grpid ); */ - return; - } - - /* If we get here then the varname must have at least one slash, which indicates - * a group name under the current group name. Get the ID of that group - */ - strncpy( gname, varname, idx_first_slash ); - gname[ idx_first_slash ] = '\0'; - ierr = nc_inq_grp_ncid( *ncid, gname, &gid ); - if( ierr != NC_NOERR ) { - Rprintf( "Error in R_nc4_varid_hier: extracted groupname not found: >%s< (coding error?)\n", gname ); - *returned_varid = -1; - *returned_grpid = -1; - return; - } - - /* Call ourselves recursively with the subgroup id and the varname stripped - * of its leading group name - */ -/* Rprintf("R_nc4_inq_varid_hier_inner: calling myself recursively with varname=>%s<\n", varname+idx_first_slash+1 ); */ - R_nc4_inq_varid_hier_inner( &gid, varname+idx_first_slash+1, returned_grpid, returned_varid ); -} - -/****************************************************************************************/ -/* This version of inq_varid works with hierarchial var names such as "model1/TS" and - * returns both the group ID and the var ID in that group, given the root group id - * (netcdf file ID). - * - * If the passed var is not found in the file, then -1 is returned. - * - * The passed slash-ful varname must not start or end with a slash. - */ -void R_nc4_inq_varid_hier( int *ncid, char **varname, int *returned_grpid, int *returned_varid ) -{ -/* Rprintf("R_nc4_inq_varid_hier: entering for var >%s<\n", varname[0] ); */ - R_nc4_inq_varid_hier_inner( ncid, varname[0], returned_grpid, returned_varid ); -}