CDO NEWS -------- Version 1.5.0 (15 March 2011): New features: * GRIB2 support via ECMWF GRIB_API * Added support for netCDF level bounds * Added option -O to overwrite existing output file (only for ens, merge, mergetime) New operators: * selparam: Select parameters by identifier * delparam: Delete parameters by identifier * splitparam: Split parameter identifiers * chparam: Change parameter identifier Changed operators: * expr: added functions abs(), int(), nint(), sqr() * sinfo: changed output of table and code number to parameter identifier * info: changed output of code number to parameter identifier * diff: changed output of code number to parameter identifier Fixed bugs: * sellonlatbox: does not work as expected when selecting all longitutes * sellonlatbox: initialization missing for unstructured grids * ml2pl and ml2hl: wrong result if input file contains full *and* half level data * trend and detrend: integer overflow; wrong result for ntimesteps > 46340 * spcut: only correct results with continuous wave numbers starting at 1 * remaplib: fixed data race in calculation of bin_addr (OpenMP) Version 1.4.7 (06 January 2011): New features: * improved support for netCDF output from WRF model (import time and grid variables) New operators: * ydayadd, ydaysub, ydaymul, ydaydiv: Multi-year daily arithmetic * eca_pd: Precipitation days index per time period * dv2ps: Divergence and vorticity to velocity potential and stream function Changed operators: * import_cmsaf: added time information also for time constant fields Fixed bugs: * eof: fix memory access violation * eofcoeff: fix memory access violation * fldmean: gives wrong result for grid units [radian] * Yseasstat: bug fix for datasets with time constant fields * sellevel: fix problem with hybrid model levels and netCDF output * sellonlatbox: fix rounding error of the last lon index * Settime: bug fix for time independent variables in combination with other operators (pipes) Version 1.4.6 (17 September 2010): New features: * Using libtool for linking (rpath) * Changed predefined gaussian grid names from tgrid to n Use n80 instead of t106grid to define a Gaussian N80 grid * Changed percentile parameter type from integer to float New operators: * bandpass: Bandpass filtering * lowpass: Lowpass filtering * highpass: Highpass filtering Changed operators: * eca_gsl: adjust implementation to fit definition by ECA * expr, exprf: added missing values support Fixed bugs: * sellevel: copy zaxis meta data name and units * seldate: open output file only when time steps found * sellonlatbox: fix rounding error of the last lon index Version 1.4.5.1 (05 July 2010): New features: * GRIB1 decode: Correct ZeroShiftError of simple packed spherical harmonics Fixed bugs: * wrong result of SZIP compressed GRIB1 records with 24 bit packing and a compression ratio < 1.05 Version 1.4.5 (28 June 2010): New operators: * eof: Calculate EOFs in spatial or time space * eoftime: Calculate EOFs in time space * eofspatial: Calculate EOFs in spatial space * eofcoeff: Principal coefficients of EOFs * consecsum: Consecutive Sum * consects: Consecutive Timesteps * setvals: Set list of old values to new values Version 1.4.4 (29 April 2010): New operators: * fldcor: correlation in grid space * timcor: correlation over time * gridbox: computes statistical values over surrounding grid boxes Changed operators: * import_binary: added support for variables with different number of levels * random: added optional parameter 'seed' Fixed bugs: * standard deviation: changed the result from missval to zero, if variance is zero * fldsum: change result from 0 to missval, if only missing values found * intyear: set the interpolation result always to missval, if missing values found * Added support for netCDF time bounds * sellonlatbox: parameter lon2 was not inclusiv * expr: added support for calculations of const/var * setday: writes sometimes wrong date information with GRIB result from afterburner * inputsrv: added level information * merge: added support to merge levels with datasets in netCDF format Version 1.4.3 (22 February 2010): * New features: o using CDI library version 1.4.3 improved GRIB1 support and performance o changed GRIB1 default packing type of spherical harmonics to complex Version 1.4.2 (8 February 2010): * Changed operators: o remapcon, remaplaf: speed up by fast store of links o replace: added support for time constant fields o module Genweights: use netCDF2 (64bit) for large remap weights files o module Zonstat, Merstat: added support for generic grids o module Ensstat: don't overwrite existing files o import_cmsaf: added more corrections for wrong projection parameter Version 1.4.1 (15 December 2009): * New features: o using CDI library version 1.4.1 improved GRIB and netCDF support and performance * New operators: o splittabnum - Split parameter table numbers o sethalo - Set the left and right bounds of a field * Changed operators: o merge, mergetime: don't overwrite existing files o showtime: removed output of date, only print time string hh:mm:ss * Fixed bugs: o remap: bug fix for weights from gennn (set remap_extrapolate = TRUE) Version 1.4.0.1 (21 October 2009): * Fixed bugs: o seltime: bug fix for scanning of input parameter o IEG format: bug fix for identification of lonlat grids o GRIB format: bug fix for decoding of missing values (scalar version only) Version 1.4.0 (5 October 2009): * New features: o added support of time units 'seconds' to all operators * New operators: o Import binary data sets (via a GrADS data descriptor file) - import_binary o Set valid range - setvrange * Changed operators: o gridarea: added support for hexagonal GME grid and tripolar MPIOM grid o remapnn: added support for unstructured grids without bounds (full grid search) o Seasstat: added env. CDO_SEASON_START to set the start month of seasons o ieg format: added support for Gaussian grids * Fixed bugs: o shifttime: bug fix for negative time increments o import_cmsaf: read native float datatype Version 1.3.2 (15 June 2009): * New features: o Changed compiler to ANSI C99 o Added option -Q to sort netCDF variable names * Changed operators: o splitsel: changed the number of output digits from 3 to 6 o remapeta: correct humidity up to highest level *nctop* where condensation is allowed o remapcon: change max_subseg from 1000 to 100000 * Fixed bugs: o settaxis: bug fix for time increment 'months' o remaplaf: fixed buffer overflow o remapdis, remapnn: set num_srch_bins to 1 if REMAP_EXTRAPOLATE=OFF Version 1.3.1 (16 April 2009): * New features: o The default calendar is now set to "proleptic gregorian". To use a standard calendar set the environment variable CDI_CALENDAR=standard. o Added support for Lambert Conformal Conic projections o Added support for missval = NaN * Changed operators: o ml2pl: added support for Geopotential Height o Settime: added "seconds" support to operator "settunits", "settaxis" and "shifttime" o percentile: change default number of bins from 100 to 101 * Fixed bugs: o import_cmsaf: bug fix for datasets with gain/offset and more than 1 timestep o remaplaf: bug fix for fields with missing values o remapnn: bug fix for distance equal zero o mermean: bug fix for weights from 'zonmean' (cdo mermean -zonmean) o chlevel: fixed bug that happens when the list of oldlev,newlev contains the same level more than once Version 1.3.0 (15 January 2009): * New features: o add support for Sinusoidal and Lambert Azimuthal Equal Area projections * New operators: o Second order conservative remapping - remapcon2 o Nearest neighbor remapping - remapnn o Largest area fraction remapping - remaplaf o Reciprocal value - reci * Changed operators: o import_cmsaf: add support for monthly mean diurnal cycle o remap: set num_srch_bins to nlat/2 (speedup) * Fixed bugs: o setzaxis: changed datatype from float to double o sellonlatbox: bug fix for curvilinear grids o merge: bug fix for usage in CDO pipes o gridarea, gridweights: bug fix for gridboxes with delta lon >= 180 degree o intlevel: bug fix for datasets with missing values o yseasstd, yseasvar: fixed wrong array index Version 1.2.1 (13 November 2008): * New features: o Option '-u' to determinate whether to overwrite existing files * New operators: o Import CM-SAF files - import_cmsaf o Mathematical function 'power' - pow * Changed operators: o sellonlatbox: add support for grid type 'CELL' and units 'radians' o remapdis: add support for grid type 'CELL' without bounds (full grid search) o Timstat: use time axis with bounds from input o copy, cat: concatenate time constant fields * Fixed bugs: o zonvar: activation was missing o ifthen: bug fix for datasets with different missing values o runmean: bug fix for datasets with missing values Version 1.2.0 (13 August 2008): * New features: o add support for netCDF4 classic with deflate (option -z zip) * New operators: o Linear level interpolation - intlevel o Invert levels - invertlev o Select levels by index - sellevidx o Import AMSR binary files - import_amsr * Changed operators: o remapeta: add missing value support * Fixed bugs: o Operator yseasmean, yhourmean and ydaymean: bug fix for datasets with missing values o Module Ninfo and Showinfo: bug fix for datasets with time constant parameter only Affected operators: ndate, nmon, nyear, showdate, showtime, showmon, showyear Version 1.1.1 (8 April 2008): * New features: o Module Vertint: add support for GME data * New operators: o Regression - regres o Grid cell area/weights - gridarea, gridweights o Z-axis description - zaxisdes * Fixed bugs: o Module Exprf: using MT safe version of bison and flex o Module Vertint: bug fix for input with time constant fields o Module Arithc: recalculate number of missing values o Operator splitsel: bug fix for multilevel/multivar datasets Version 1.1.0 (25 January 2008): * New features: o Support for Lambert conformal grids in GRIB format o Improved support for netCDF attributes * New operators: o Monthly arithmetic - monadd, monsub, monmul, mondiv * Fixed bugs: o Operator setlevel and chlevel: bug fix for usage in pipes o Operator cat: bug fix for large existing output files (>2GB) on 32-bit machines o Operator gradsdes: bug fix for monthly mean data with start day > 28 o Operator expr: change exponent precedence from left to right Version 1.0.9 (22 October 2007): * New operators: o Multi-year hourly statistical values - yhourmin, yhourmax, yhoursum, yhourmean, yhouravg, yhourstd, yhourvar * Changed operators: o ymonstat: write original order of timesteps o gradsdes: add GRIB level type to VARS * Fixed bugs: o Operator ifthen: bug fix for masks that varies not with time Version 1.0.8 (27 June 2007): * New operators: o Remap vertical hybrid level - remapeta o 9 point smoothing - smooth9 o Mask region - maskregion o Split selected time steps - splitsel o Set range to constant - setrtoc, setrtoc2 o Histogram - histcount, histsum, histmean, histfreq o Show GRIB level types - showltype o Select GRIB level types - selltype o Set GRIB level type - setltype * Changed operators: o Renamed chvar, selvar, delvar, showvar, setvar and splitvar to chname, selname, delname, showname, setname and splitname o Renamed selmin, selmax, selsum, selmean, selavg, selvar, selstd to timselmin, timselmax, timselsum, timselmean, timselavg, timselvar, timselstd o Renamed selpctl to timselpctl o Renamed nvar to npar and vardes to pardes * Fixed bugs: o Module Ymonstat gave wrong results with missing values Affected operators: ymonmean, ymonstd, ymonvar o Library ieglib has had a memory leak for IEG output Version 1.0.7 (8 March 2007): * New operators: o Divergence and vorticity to U and V wind (linear) - dv2uvl o U and V wind to divergence and vorticity (linear) - uv2dvl o Select single month - selsmon * Changed operators: o tchill is renamed to wct o eca_strwind is split into eca_strwin, eca_strbre, eca_strgal and eca_hurr * Fixed bugs: o fldmax has had wrong results if the field has missing values and all other values are less than zero. Version 1.0.6 (12 December 2006): * New operators: o Variance for all statistic modules - vertvar, timvar, yearvar, monvar, dayvar, hourvar, runvar, seasvar, selvar, ydayvar, ydrunvar, ymonvar, yseasvar Developer version 1.0.5 (30 November 2006): * New operators: o Show file format - showformat o Windchill temperature - tchill o Humidity index - hi o ECA Indices of Daily Temperature and Precipitation Extremes - eca_* (37 different indices!) Developer version 1.0.4 (7 November 2006): * New operators: o Multi-year daily running statistical values - ydrunmin, ydrunmax, ydrunsum, ydrunmean, ydrunavg, ydrunstd o Percentile values for different time ranges - timpctl, hourpctl, daypctl, monpctl, yearpctl, selpctl, runpctl, seaspctl o Multi-year percentile values - ydaypctl, ymonpctl, yseaspctl, ydrunpctl o Ensemble and field percentiles - enspctl, fldpctl, zonpctl, merpctl Developer version 1.0.3 (3 November 2006): * New operators: o Time interpolation - intntime o Backward transformation of velocity components U and V from MPIOM - mrotuvb Version 1.0.2 (18 September 2006): * Rename operator gradsdes to gradsdes1 and set the alias gradsdes to gradsdes2 * Remapping of rotated lonlat grids with remapbi* and genbi* has been changed at the bounds. Generated interpolation weights with older CDO versions can't be used anymore and must be recalculated with genbi*. * New operators: o ydaysum - Multi-year daily sum o ymonsum - Multi-year monthly sum o yseassum - Multi-year seasonally sum o int - Convert to integer value o nint - Convert to nearest integer value Version 1.0.1 (1 August 2006): * New CDO option '-b' to set the number of bits for the output precision * New operators: o selstdname - Select standard names o showstdname - Show standard names o setclonlatbox - Set a longitude/latitude box to constant [Etienne Tourigny] o setcindexbox - Set an index box to constant Version 1.0.0 (15 June 2006): * New operators: o dv2ps - Divergence and vorticity to velocity potential and stream function Version 0.9.13 (4 May 2006): * New operators: o mergetime - Merge datasets sorted by date and time o input, inputext, inputsrv - ASCII input o abs - Absolute value o atan2 - Arc tangent of two fields Version 0.9.12 (6 March 2006): * New operators: o uv2dv, dv2uv - Wind transformation Version 0.9.11 (1 Februar 2006): * Support of GME grids * New operators: o selmin, selmax, selsum, selmean, selavg, selstd - Time range statistic o sp2gpl, gp2spl - Spectral transformation of TL-Model data (e.g. ERA40) o replace - Replace variables Version 0.9.10 (19 December 2005): * Support of REMO IEG format * New operators: o ifthenelse - IF ifile1 THEN ifile2 ELSE ifile3 Version 0.9.9 (19 October 2005): * New operators: o ensmin, ensmax, enssum, ensmean, ensavg, ensstd, ensvar - Ensemble statistic o gradsdes2 - Creates a GrADS data descriptor file with a portable GrADS map o enlarge - Enlarge all fields to a user given grid o gencon - Generate conservative interpolation weights o remap - Remapping with the interpolation weights from a netCDF file Version 0.9.8 (19 July 2005): * New operators: o setlevel - Set level o chlevel - Change level o chlevelc - Change level of one code o chlevelv - Change level of one variable Version 0.9.7 (26 May 2005): * New operators: o setcalendar - Set calendar o masklonlatbox - Mask lon/lat box o maskindexbox - Mask index box o muldpm - Multiply with days per month o divdpm - Divide with days per month Version 0.9.6 (4 April 2005): * Support of rotated regular grids. * New operator: o detrend - Linear detrending of time series. Version 0.9.4 (3 Jan 2005): * Support of PINGO grid description files. * New operator: o gradsdes - Creates a GrADS data descriptor file. Supported file formats are GRIB, SERVICE and EXTRA.