CDI NEWS
--------
Version 2.5.1 (05 Mar 2025):
Changes:
* NetCDF4: improved calculation of output chunk size
* NetCDF4: improved calculation of input chunk cache size for numStep>1 and zSize>1
Version 2.5.0 (28 Nov 2024):
Changes:
* NetCDF: improved HealPIX support
* reset chunktype if z and t are chunked
* lock access to NCZARR in CDI_Threadsafe mode
Version 2.4.4 (19 Sep 2024):
Fixed bugs:
* absolute timeaxis failed with timeunits seconds [Bug #11916]
Version 2.4.2 (21 Jun 2024):
Changes:
* NetCDF4: improved calculation of input chunk cache size
* NetCDF4: switched off output chunk cache
Fixed bugs:
* cdiInqContents: missing lock of non thread-safe netCDF4/HDF5 calls (bug fix)
Version 2.4.1 (21 May 2024):
Changes:
* Removed interface function vlistCopy(), use vlistDuplicate()
* calc_chunk_cache_size: improved for 4D chunked data
Fixed bugs:
* gribapi_get_timeunits: check unitsOfTime (bug fix) [report: Chris Barnard]
Version 2.4.0 (22 February 2024):
New features:
* Add experimental interface to FDB5
* Add global option CDI_Threadsafe to lock non thread-safe netCDF4/HDF5 calls
Fixed bugs:
* improve support for time units second [Bug #11740]
* calc_chunk_cache_size: wrong result for 3D data (bug fix)
* netCDF: write of y-coordinates failed for Gaussian reduced grids (bug fix)
Version 2.3.0 (18 October 2023):
New features:
* Add GRIB2 HEALPix support (available with eccodes-2.32.0)
* Add support for NetCDF attribute type NC_INT64
* Add interface function streamInqNumSteps() to inquire number of time steps
* gribapi decode: add support for single precision float interface (available since ecCodes-2.30.0)
* grib2: add read only support for alternativeRowScanning
* grib2: add support for earth radius specified by data producer
Fixed bugs:
* HIRLAM_EXTENSIONS: set default CDI_KEY_SCANNINGMODE to 64 [Bug #11367]
* gribapiDefGridLCC: store DxInMetres/DyInMetres as double
* NetCDF4: use chunkSize only if it is less than gridsize
* cdfDefineAttributes: check filetype for unsigned int attributes
* time information missing if the stream contains fields constant in time only
Version 2.2.0 (23 February 2023):
New features:
* Improve read performance of temporal chunked NetCDF4 data
* Support for NetCDF4/HDF5 filter
* async_worker: remove syncronization at end of timesteps
New interface function
* streamOpenReadQuery()
Fixed bugs:
* cdf_def_mapping: add support for datatype NC_STRING
* grid module: remove initialization of CDI_KEY_SCANNINGMODE
* cdf_read_xcoord: skip char coordinates only if ndims=1
* NetCDF: reading of lower time bounds is wrong since 2.0.6
Version 2.1.0 (6 October 2022):
New features:
* Added support for NCZarr
* Set number of significant bits used for NetCDF 4.9.0 bit-roundung: vlistDefVarNSB()/vlistInqVarNSB()
* Added support for milli seconds
* Changed DateType back to int
* Made CDI compatible to revision 1.8.3 used in ICON
Fixed bugs:
* recalculate optimal chunk_size if gridsize is > chunk_size_lim
* ecCodes encode: fix problem with startStep for step type MIN/MAX
* GRIB read: recalculate start date/time for every record and timestep
* changed chunk_size_lim from 1073741823 to 16777216
* compareXYvals failed for unstructured grids (segmentation fault) [Bug #10632]
* cdf_read_coordinates: check that grid cell bounds have only 2 dimensions [Bug #10575]
Version 2.0.0 (11 October 2021):
New features:
* Changed to 3-clause BSD license
* Changed type of gridsize for size_t to SizeType
* Changed type of date from int64_t to DateType
* Added FDB5 support (experimental)
* Added environment variables CDI_GRIB1_TEMPLATE and CDI_GRIB2_TEMPLATE
Changes:
* gridDefParamsLCC()/gridInqParamsLCC(): changed interface
* gridDefParamsSTERE()/gridInqParamsSTERE(): changed interface
* Replaced zaxisDefDatatype()/zaxisInqDatatype() by cdiDefKeyInt()/cdiInqKeyInt() with CDI_KEY_DATATYPE
* Replaced gridDefDatatype()/gridInqDatatype() by cdiDefKeyInt()/cdiInqKeyInt() with CDI_KEY_DATATYPE
Fixed bugs:
* Allow UUID starting with zero
* cgribexDefGridLambert(): recalculate xinc/yinc in meter
Version 1.9.6 (07 February 2019):
New features:
* Added support for polar stereographic projection
* grib2: Added support for variables with different perturbationNumber
* Added check for unsupported NetCDF4/HDF5 library combination (NetCDF <= 4.4.0 with libhdf5 >= 1.10.0)
* NetCDF: added support for single scalar variable
Fixed bugs:
* ecCodes: deleteLocalDefinition for GRIB1.tmpl
* taxisCopyTimestep: don't copy rdate/rtime (bug fix)
* scanning of attribute associate* failed (bug fix)
* grib1/ecCodes: set maxStep to 65000 (bug fix)
* cdf_read: removed limitation of nmiss_ to INT_MAX [Bug #8691]
* cgribex: make section2 length dynamic (bug fix for large Gaussian reduced grids)
* GRIB2: correct longitudeOfFirstGridPoint if necessary (bug fix)
* CDI_reduce_dim: wrong result when reduce time dimension (bug fix)
Version 1.8.0 (14 February 2017):
New features:
* Refactor horizontal and vertical grid module
* netCDF4: added support for attribute type NC_BYTE, NC_UBYTE, NC_USHORT and NC_UINT
Fixed bugs:
* iegWriteVarSliceDP: does not work (bug fix)
* streamOpenAppend: call to gribContainersNew() missing (bug fix) [Bug #6944]
Version 1.7.0 (27 October 2015):
New features:
* added support for netCDF Scalar Coordinate Variables
* added support for hybrid sigma pressure coordinates following the CF convention
* merge changes from branches/cdi-tiles [from Florian Prill]
Fixed bugs:
* GRIB rotated grids: invert angle of rotation (north to south pole) (bug fix)
* bug fix for scanning the WRF time axis
* cdiStreamSetupVlist: added call to vlist_unlock(vlistID) (bug fix)
Version 1.6.8 (26 March 2015):
Fixed bugs:
* cdfCopyRecord: incorrect checksum for freed object [Bug #5461]
* scan netcdf time units attribute
* fixed rounding error for negativ timevalue
* time unit second rounding error
Version 1.6.7 (5 December 2014):
Fixed bugs:
* GRIB2 output does not work
Version 1.6.6 (27 November 2014):
New features:
* IEG: added support for coordinate scale factor
Fixed bugs:
* table::decodeForm1: missing longname results in Abort trap
* transpose2dArrayXX: wrong result
* cgribexScanTimestep1: set flag to 0 in call to cgribexVarCompare()
* netCDF: call set_validrangeDP() in cdfReadVar()
* netCDF: call cdfDoInputDataTransformation() if have missvals
Version 1.6.5 (23 October 2014):
New features:
* NetCDF: single precision input
* netCDF4: added support for xtype NC_STRING
* added CDI function gribapiLibraryVersion(major_version, minor_version, revision_version) [Feature #5043]
* gribapiEncode: update additional keys defined with vlistDefVarXXXKey() [Feature #4720]
* added vlistDefVarProductDefinitionTemplate() to define GRIB2 Product Definition Template Number [Feature #4694]
* streamWriteVarF, streamWriteVarSliceF: added support for GRIB1 (cgribex)
* grib2: activate jpeg support in combination with masks (missing values)
Fixed bugs:
* listDestroy(): set resHListSize=0 [Bug #5058]
* NetCDF: Reading uuidOfVGrid [Bug #5046]
Version 1.6.4 (26 June 2014):
New features:
* Added support for SPECS forecast time axis
* Added support for GRIB_API key cfName
Fixed bugs:
* netCDF4 classic: existing files are converted to netCDF4 - classic flag is lost
* netCDF: added support for opendap files by https:
* gribapiDefDateTimeRel: set vdate to rdate for time invariant fields [Bug #4641]
* Loss of coordinates attribute when merging files [Bug #4880]
Version 1.6.3 (14 February 2014):
New features:
* streamInqGinfo: added support for GRIB files > 2GB
Fixed bugs:
* streamOpenA, streamOpen: parameter recordBufIsToBeCreated missing in call to cdiStreamOpenDefaultDelegate()
* streamOpenA: removed line "streamptr->record = record"; record is allocated in cdiStreamOpenDefaultDelegate()
Version 1.6.2 (12 November 2013):
New features:
* Added support for netCDF CF time attribute: climatology [Feature #4092]
* Added CDI function zaxisDefNlevRef() and zaxisInqNlevRef() [Feature #4117]
* Made gridtype GRID_REFERENCE part of GRID_UNSTRUCTED
* GRIB2: added support for level type Lake Bottom (grib level type 162)
* GRIB2: added support for level type Bottom Of Sediment Layer (grib level type 163)
* GRIB2: added support for level type Bottom Of Thermally Active Sediment Layer (grib level type 164)
* GRIB2: added support for level type Bottom Of Sediment Layer Penetrated By Thermal Wave (grib level type 165)
* GRIB2: added support for level type Mixing Layer (grib level type 166)
Fixed bugs:
* netCDF: wrong result if type of data and type of attribute valid_range differ [Bug #3727]
Version 1.6.1 (18 June 2013):
New features:
* GRIB2: added support for snow level (level type 114)
* GRIB2: added support for layers with zaxis type ZAXIS_PRESSURE
New functions:
* cdiHaveFiletype(): Check whether a filetype is available
Fixed bugs:
* stream_gribapi: replaced function getLevelFactor() [Bug #3446]
* gridXXXUUID: use cdi fortran datatype CBUF (char *) for the last argument (bug fix) [Bug #3424]
* institutInq: check contents of name and longname (bug fix) [Bug #3419]
* netCDF: missing_value attribute removed [Bug #3592]
Version 1.6.0 (14 March 2013):
New features:
* Added support for level type CLOUD_BASE, CLOUD_TOP and ISOTHERM_ZERO [Feature #3247]
* Read arbitrary GRIB keys [Feature #3267]
New functions:
* vlistDefVarIntKey(): Set an arbitrary keyword/integer value pair for GRIB API
* vlistDefVarDblKey(): Set an arbitrary keyword/double value pair for GRIB API
Fixed bugs:
* GRIB: added support for time step unit: seconds [Bug #3352]
* stream_gribapi: added support for local table shortName.def [Bug #3343]
* stream_gribapi: changed units for level type GRIB2_LTYPE_LANDDEPTH to m (internally mm) [Bug #3287]
* netCDF: ignore the attribute valid_range, if the data type is inconsistent
* global netCDF attribute "source" missing
* cgribexGetTsteptype: changed default to TSTEP_INSTANT [Bug #3211]
Version 1.5.9 (17 December 2012):
New features:
* file.c::file_initialize: added support for env GRIB_API_IO_BUFFER_SIZE
New functions:
* vlistDefVarChunktype(): set chunktype to CHUNK_AUTO, CHUNK_GRID, CHUNK_LINES
* vlistInqVarChunktype(): returns the chunktype
Fixed bugs:
* vlistCopyFlag: added support for level bounds
* netCDF: added support for time axis name and long_name
* cgribexGetGrid: bug fix for xinc/yinc recomputation
* stream_cdf::define_all_vars: added txt attributes to vlistDefAttTxt() without trailing 0 [Bug #3004]
Version 1.5.8 (30 October 2012):
New features:
* grib2: added stepType support for absolute time axis
* netCDF: set 1D arrays to coordinate variables if axis attribute is available
Fixed bugs:
* grib2: changed packingType from grid_jpeg to grid_simple if nmiss > 0
Version 1.5.7 (27 August 2012):
New features:
* Merge of branch cdo-pio into trunk cdi
Version 1.5.6 (27 July 2012):
New features:
* netCDF: added support for environment variable NC_CHUNKSIZEHINT
* GRIB2: added support for level type HYBRID_HALF
* GRIB2: added support for grib_api key stepType with TSTEP_<type> in vlistDefVar()
Fixed bugs:
* wrong netCDF output for unscaled uint8, int8, int16, int32 variables (bug introduced in 1.5.5)
Version 1.5.5 (15 May 2012):
New features:
* Added single precision support: streamWriteVarF, streamWriteVarSliceF
* Added support for ZAXIS_DEPTH_BELOW_LAND units "mm", "cm", "dm" and "m"
Version 1.5.4 (30 January 2012):
New features:
* Added support for GRIB2 packing type grid_ieee
* Added support for GRIB2 level type 150
Version 1.5.3 (17 October 2011):
New features:
* Added support for level type ZAXIS_TOA, ZAXIS_SEA_BOTTOM, ZAXIS_ATMOSPHERE
Fixed bugs:
* deflate compression with netCDF4 doesn't work
Version 1.5.2 (22 August 2011):
New features:
* Added flexible XYZ dimension ordering for netCDF
* Added support for grid type GRID_FOURIER (fourier coefficients)
* Added interface function zaxisInqVct to read the VCT
Version 1.5.1 (12 July 2011):
New features:
* Added support for FILETYPE_NC4C (netcdf4 classic)
Version 1.5.0 (15 March 2011):
New features:
* GRIB2 support via ECMWF GRIB_API
* Added support for netCDF level bounds
Version 1.4.7 (3 January 2011):
New features:
* improved support for netCDF output from WRF model
Version 1.4.6 (17 September 2010):
New features:
* GRIB1: use packing only for non constant fields
* Added support for attribute type int16 and float32
* use libtool 2.2.10 for compiling + linking
Version 1.4.5.1 (5 July 2010):
New features:
* Added support for grid mask
* GRIB1 decode: Correct ZeroShiftError of simple packed spherical harmonics
Version 1.4.5 (6 June 2010):
Fixed bugs:
* stream_history: added NC4 support
* gridGenYvals: bug fix for nlat > 4096
Version 1.4.4 (29 April 2010):
New features:
* MAX_STREAMS: changed fixed size of 4096 to dynamic range of 1024 - 65536
* added support for GRIB1 time units 3hours and 6hours
* added support for non integer time units MONTH
* vlistMerge: added support to merge levels
Fixed bugs:
* gauaw: bug fix for allocation of zfnlat for odd number of nlat
* cgribexDefTime: bug fix for GRIB1 time range 3 and 10