This is nco.info, produced by gmakeinfo version 7.1 from nco.texi.

INFO-DIR-SECTION netCDF
START-INFO-DIR-ENTRY
* NCO::        User Guide for the netCDF Operator suite
END-INFO-DIR-ENTRY

This file documents NCO, a collection of utilities to manipulate and
analyze netCDF files.

   Copyright © 1995-2025 Charlie Zender

   This is the first edition of the ‘NCO User Guide’,
and is consistent with version 2 of ‘texinfo.tex’.

   Permission is granted to copy, distribute and/or modify this document
under the terms of the GNU Free Documentation License, Version 1.3 or
any later version published by the Free Software Foundation; with no
Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.  The
license is available online at <http://www.gnu.org/copyleft/fdl.html>

   The original author of this software, Charlie Zender, wants to
improve it with the help of your suggestions, improvements, bug-reports,
and patches.
Charlie Zender <surname at uci dot edu> (yes, my surname is zender)
3200 Croul Hall
Department of Earth System Science
University of California, Irvine
Irvine, CA 92697-3100


Indirect:
nco.info-1: 1119
nco.info-2: 305586
nco.info-3: 620593
nco.info-4: 909660
nco.info-5: 1212963

Tag Table:
(Indirect)
Node: Top1119
Node: Foreword2821
Node: Summary9064
Node: Introduction9871
Node: Availability10159
Ref: Availability-Footnote-112340
Node: How to Use This guide12752
Node: Compatability14567
Ref: Compatability-Footnote-120113
Ref: Compatability-Footnote-220261
Node: Windows Operating System20467
Ref: Windows Operating System-Footnote-123069
Node: Symbolic Links23310
Node: Libraries25326
Ref: Libraries-Footnote-126485
Node: netCDF2/3/4 and HDF4/5 Support26669
Ref: netCDF2/3/4 and HDF4/5 Support-Footnote-137666
Ref: netCDF2/3/4 and HDF4/5 Support-Footnote-237957
Ref: netCDF2/3/4 and HDF4/5 Support-Footnote-338323
Ref: netCDF2/3/4 and HDF4/5 Support-Footnote-438445
Ref: netCDF2/3/4 and HDF4/5 Support-Footnote-539526
Node: Help Requests and Bug Reports40020
Node: Strategies45229
Node: Philosophy45627
Node: Climate Model Paradigm47165
Node: Temporary Output Files47804
Ref: Temporary Output Files-Footnote-153024
Ref: Temporary Output Files-Footnote-253142
Node: Appending Variables53251
Ref: Appending Variables-Footnote-155344
Ref: Appending Variables-Footnote-255529
Node: Simple Arithmetic and Interpolation55686
Node: Statistics vs Concatenation56441
Ref: Statistics vs Concatenation-Footnote-157656
Ref: Statistics vs Concatenation-Footnote-257933
Node: Concatenation58320
Node: Averaging61996
Node: Interpolating63481
Node: Large Numbers of Files64009
Ref: Large Numbers of Files-Footnote-170006
Node: Large Datasets70342
Node: Memory Requirements73271
Node: Single and Multi-file Operators74722
Ref: Single and Multi-file Operators-Footnote-180511
Node: Memory for ncap280677
Node: Performance82169
Node: Shared features84168
Node: Internationalization85851
Node: Metadata Optimization86435
Node: OpenMP Threading88396
Node: Command Line Options92457
Ref: Command Line Options-Footnote-194954
Node: Truncating Long Options95247
Node: Multi-arguments96943
Ref: Multi-arguments-Footnote-1101528
Node: Sanitization of Input101825
Node: Specifying Input Files104496
Ref: Specifying Input Files-Footnote-1113931
Node: Specifying Output Files114276
Node: Remote storage116073
Ref: Remote storage-Footnote-1121722
Ref: Remote storage-Footnote-2121951
Ref: Remote storage-Footnote-3122305
Node: OPeNDAP122742
Ref: OPeNDAP-Footnote-1129157
Ref: OPeNDAP-Footnote-2129738
Ref: OPeNDAP-Footnote-3130208
Ref: OPeNDAP-Footnote-4130459
Ref: OPeNDAP-Footnote-5130851
Node: Retaining Retrieved Files131116
Node: File Formats and Conversion133380
Node: File Formats134579
Ref: File Formats-Footnote-1138861
Node: Determining File Format139053
Node: File Conversion142614
Ref: File Conversion-Footnote-1144390
Node: Autoconversion144633
Node: Zarr and NCZarr150578
Node: Large File Support154319
Ref: Large File Support-Footnote-1155862
Node: Subsetting Files155900
Ref: Subsetting Files-Footnote-1171506
Node: Subsetting Coordinate Variables171741
Node: Group Path Editing174953
Node: Flattening Groups177135
Node: Moving Groups182275
Ref: Moving Groups-Footnote-1184466
Node: Dismembering Files184655
Node: Checking CF-compliance192800
Ref: Checking CF-compliance-Footnote-1200180
Node: C and Fortran Index Conventions200336
Node: Hyperslabs202143
Node: Stride208924
Node: Record Appending212265
Node: Subcycle216067
Ref: Subcycle-Footnote-1220979
Node: Interleave221089
Node: Multislabs226531
Node: Wrapped Coordinates234483
Node: Auxiliary Coordinates237421
Node: Grid Generation244681
Ref: Grid Generation-Footnote-1272597
Ref: Grid Generation-Footnote-2273059
Node: Regridding273648
Node: Climatology and Bounds Support305586
Node: UDUnits Support309913
Node: Rebasing Time Coordinate319456
Node: Multiple Record Dimensions322513
Node: Missing Values324838
Ref: Missing Values-Footnote-1330774
Ref: Missing Values-Footnote-2331019
Node: Chunking331128
Ref: Chunking-Footnote-1349772
Node: Quantization Algorithms350022
Node: Compression352896
Ref: fgr:qnt_cr_dfl365450
Ref: fgr:qnt_cr_bz2374071
Ref: fgr:qnt_cr_zst376670
Ref: Compression-Footnote-1377708
Ref: Compression-Footnote-2377832
Ref: Compression-Footnote-3377920
Ref: Compression-Footnote-4378016
Ref: Compression-Footnote-5378579
Ref: Compression-Footnote-6378796
Node: Linear Packing378987
Node: Precision-Preserving Compression380536
Ref: Precision-Preserving Compression-Footnote-1407639
Ref: Precision-Preserving Compression-Footnote-2408009
Ref: Precision-Preserving Compression-Footnote-3408431
Ref: Precision-Preserving Compression-Footnote-4409550
Ref: Precision-Preserving Compression-Footnote-5410918
Node: Deflation411116
Node: MD5 digests413361
Node: Buffer sizes417338
Ref: Buffer sizes-Footnote-1418636
Node: RAM disks418760
Node: Unbuffered I/O423773
Node: Packed data425072
Ref: Packed data-Footnote-1432908
Ref: Packed data-Footnote-2433085
Node: Operation Types433312
Node: Type Conversion441032
Node: Automatic type conversion442298
Ref: Automatic type conversion-Footnote-1449108
Ref: Automatic type conversion-Footnote-2449131
Ref: Automatic type conversion-Footnote-3449324
Node: Promoting Single-precision to Double449528
Ref: Promoting Single-precision to Double-Footnote-1468441
Ref: Promoting Single-precision to Double-Footnote-2468906
Ref: Promoting Single-precision to Double-Footnote-3469399
Ref: Promoting Single-precision to Double-Footnote-4469699
Ref: Promoting Single-precision to Double-Footnote-5469804
Node: Manual type conversion469868
Node: Batch Mode470853
Node: Global Attribute Addition472014
Node: Global Attribute Deletion474507
Node: History Attribute475844
Ref: History Attribute-Footnote-1479985
Node: File List Attributes480234
Node: CF Conventions482038
Node: ARM Conventions498189
Node: Operator Version500304
Node: Reference Manual501462
Node: ncap2 netCDF Arithmetic Processor502596
Node: Syntax of ncap2 statements508354
Node: Expressions509726
Node: Dimensions517086
Node: Left hand casting519335
Node: Arrays and hyperslabs524180
Node: Attributes530608
Node: Value List534351
Node: Number literals535606
Node: if statement539559
Node: Print & String methods541783
Node: Missing values ncap2546038
Node: Methods and functions551124
Node: RAM variables558422
Node: Where statement559702
Node: Loops565025
Node: Include files566360
Node: Sort methods567584
Node: UDUnits script578941
Node: Vpointer582661
Node: Irregular grids587143
Node: Bilinear interpolation592672
Node: GSL special functions596922
Ref: GSL special functions-Footnote-1619272
Node: GSL interpolation620593
Node: GSL least-squares fitting622673
Node: GSL statistics626729
Node: GSL random number generation630502
Node: Examples ncap2635008
Node: Intrinsic mathematical methods642579
Ref: Intrinsic mathematical methods-Footnote-1647932
Ref: Intrinsic mathematical methods-Footnote-2648791
Node: Operator precedence and associativity648864
Node: ID Quoting651416
Node: make_bounds() function653957
Node: solar_zenith_angle function655201
Node: ncatted netCDF Attribute Editor656563
Ref: ncatted netCDF Attribute Editor-Footnote-1677268
Node: ncbo netCDF Binary Operator678349
Ref: ncbo netCDF Binary Operator-Footnote-1692174
Ref: ncbo netCDF Binary Operator-Footnote-2692363
Ref: ncbo netCDF Binary Operator-Footnote-3692723
Ref: ncbo netCDF Binary Operator-Footnote-4692783
Ref: ncbo netCDF Binary Operator-Footnote-5692855
Ref: ncbo netCDF Binary Operator-Footnote-6693061
Node: ncchecker netCDF Compliance Checker693418
Node: ncclimo netCDF Climatology Generator695482
Ref: ncclimo netCDF Climatology Generator-Footnote-1782756
Ref: ncclimo netCDF Climatology Generator-Footnote-2783167
Ref: ncclimo netCDF Climatology Generator-Footnote-3783434
Node: ncecat netCDF Ensemble Concatenator783744
Node: nces netCDF Ensemble Statistics793400
Ref: nces netCDF Ensemble Statistics-Footnote-1803568
Ref: nces netCDF Ensemble Statistics-Footnote-2803846
Node: ncflint netCDF File Interpolator804369
Node: ncks netCDF Kitchen Sink813241
Ref: ncks netCDF Kitchen Sink-Footnote-1892310
Ref: ncks netCDF Kitchen Sink-Footnote-2892628
Ref: ncks netCDF Kitchen Sink-Footnote-3892999
Node: Filters for ncks893114
Node: ncpdq netCDF Permute Dimensions Quickly909660
Ref: ncpdq netCDF Permute Dimensions Quickly-Footnote-1931711
Ref: ncpdq netCDF Permute Dimensions Quickly-Footnote-2931816
Ref: ncpdq netCDF Permute Dimensions Quickly-Footnote-3932397
Node: ncra netCDF Record Averager932669
Node: ncrcat netCDF Record Concatenator943878
Node: ncremap netCDF Remapper948517
Ref: ncremap netCDF Remapper-Footnote-11101496
Ref: ncremap netCDF Remapper-Footnote-21101907
Ref: ncremap netCDF Remapper-Footnote-31101990
Ref: ncremap netCDF Remapper-Footnote-41102132
Ref: ncremap netCDF Remapper-Footnote-51102412
Ref: ncremap netCDF Remapper-Footnote-61102879
Ref: ncremap netCDF Remapper-Footnote-71103165
Node: ncrename netCDF Renamer1103239
Node: ncwa netCDF Weighted Averager1122979
Ref: ncwa netCDF Weighted Averager-Footnote-11128439
Ref: ncwa netCDF Weighted Averager-Footnote-21128580
Node: Mask condition1128786
Ref: Mask condition-Footnote-11130261
Node: Normalization and Integration1130461
Ref: Normalization and Integration-Footnote-11136266
Ref: Normalization and Integration-Footnote-21136340
Ref: Normalization and Integration-Footnote-31136464
Node: Contributing1136633
Ref: Contributing-Footnote-11137368
Node: Contributors1137782
Node: Citation1142215
Node: Proposals for Institutional Funding1143581
Node: Quick Start1144756
Node: Daily data in one file1145233
Node: Monthly data in one file1146655
Node: One time point one file1148325
Node: Multiple files with multiple time points1149282
Node: CMIP5 Example1149774
Node: Combine Files1152510
Node: Global Distribution of Long-term Average1161964
Ref: fgr:glb1162200
Node: Annual Average over Regions1166976
Ref: fgr:anl1167186
Node: Monthly Cycle1180084
Ref: fgr:mon1180243
Node: Regrid MODIS Data1187308
Node: Add Coordinates to MODIS Data1194868
Node: Permute MODIS Coordinates1196870
Node: Parallel1198807
Node: CCSM Example1199159
Node: mybibnode1212963
Ref: ZeM071213088
Ref: Zen081213319
Ref: WZJ071213527
Ref: ZMW061213913
Ref: ZeW071214153
Ref: WZJ061214568
Ref: WZJ0731214758
Ref: WZJ0741215206
Ref: WZJ0811215408
Ref: WZJ0911215688
Ref: PFT881215906
Node: General Index1216033

End Tag Table


Local Variables:
coding: utf-8
End:
