This is nco.info, produced by makeinfo 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 © 1995-2024 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


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Tag Table:
(Indirect)
Node: Top1118
Node: Foreword2818
Node: Summary7984
Node: Introduction8791
Node: Availability9079
Ref: Availability-Footnote-111260
Node: How to Use This guide11672
Node: Compatability13487
Ref: Compatability-Footnote-119033
Ref: Compatability-Footnote-219181
Node: Windows Operating System19387
Ref: Windows Operating System-Footnote-121989
Node: Symbolic Links22230
Node: Libraries24246
Ref: Libraries-Footnote-125405
Node: netCDF2/3/4 and HDF4/5 Support25589
Ref: netCDF2/3/4 and HDF4/5 Support-Footnote-136586
Ref: netCDF2/3/4 and HDF4/5 Support-Footnote-236877
Ref: netCDF2/3/4 and HDF4/5 Support-Footnote-337243
Ref: netCDF2/3/4 and HDF4/5 Support-Footnote-437365
Ref: netCDF2/3/4 and HDF4/5 Support-Footnote-538446
Node: Help Requests and Bug Reports38940
Node: Strategies43842
Node: Philosophy44240
Node: Climate Model Paradigm45778
Node: Temporary Output Files46417
Ref: Temporary Output Files-Footnote-151637
Ref: Temporary Output Files-Footnote-251755
Node: Appending Variables51864
Ref: Appending Variables-Footnote-153957
Ref: Appending Variables-Footnote-254142
Node: Simple Arithmetic and Interpolation54299
Node: Statistics vs Concatenation55054
Ref: Statistics vs Concatenation-Footnote-156269
Ref: Statistics vs Concatenation-Footnote-256546
Node: Concatenation56933
Node: Averaging60609
Node: Interpolating62094
Node: Large Numbers of Files62622
Ref: Large Numbers of Files-Footnote-168619
Node: Large Datasets68955
Node: Memory Requirements71884
Node: Single and Multi-file Operators73335
Ref: Single and Multi-file Operators-Footnote-179124
Node: Memory for ncap279290
Node: Performance80782
Node: Shared features82781
Node: Internationalization84406
Node: Metadata Optimization84990
Node: OpenMP Threading86951
Node: Command Line Options91012
Ref: Command Line Options-Footnote-193509
Node: Truncating Long Options93802
Node: Multi-arguments95498
Ref: Multi-arguments-Footnote-199897
Node: Sanitization of Input100194
Node: Specifying Input Files102865
Ref: Specifying Input Files-Footnote-1112300
Node: Specifying Output Files112645
Node: Remote storage114442
Ref: Remote storage-Footnote-1120091
Ref: Remote storage-Footnote-2120320
Ref: Remote storage-Footnote-3120674
Node: OPeNDAP121111
Ref: OPeNDAP-Footnote-1127526
Ref: OPeNDAP-Footnote-2128107
Ref: OPeNDAP-Footnote-3128577
Ref: OPeNDAP-Footnote-4128828
Ref: OPeNDAP-Footnote-5129220
Node: Retaining Retrieved Files129485
Node: File Formats and Conversion131749
Node: File Formats132948
Ref: File Formats-Footnote-1137230
Node: Determining File Format137422
Node: File Conversion140983
Ref: File Conversion-Footnote-1142759
Node: Autoconversion143002
Node: Zarr and NCZarr147449
Node: Large File Support151190
Ref: Large File Support-Footnote-1152733
Node: Subsetting Files152771
Ref: Subsetting Files-Footnote-1168360
Node: Subsetting Coordinate Variables168595
Node: Group Path Editing171807
Node: Flattening Groups173989
Node: Moving Groups179129
Ref: Moving Groups-Footnote-1181320
Node: Dismembering Files181509
Node: Checking CF-compliance189654
Ref: Checking CF-compliance-Footnote-1197034
Node: C and Fortran Index Conventions197190
Node: Hyperslabs198997
Node: Stride205778
Node: Record Appending209119
Node: Subcycle212921
Ref: Subcycle-Footnote-1216902
Node: Interleave217012
Node: Multislabs222454
Node: Wrapped Coordinates230406
Node: Auxiliary Coordinates233344
Node: Grid Generation240604
Ref: Grid Generation-Footnote-1267990
Ref: Grid Generation-Footnote-2268452
Node: Regridding269041
Node: Climatology and Bounds Support299861
Node: UDUnits Support305306
Node: Rebasing Time Coordinate314849
Node: Multiple Record Dimensions317906
Node: Missing Values320231
Ref: Missing Values-Footnote-1326167
Ref: Missing Values-Footnote-2326412
Node: Chunking326521
Ref: Chunking-Footnote-1345153
Node: Compression345403
Ref: fgr:qnt_cr_dfl357821
Ref: fgr:qnt_cr_bz2366422
Ref: fgr:qnt_cr_zst368893
Ref: Compression-Footnote-1369931
Ref: Compression-Footnote-2370055
Ref: Compression-Footnote-3370143
Ref: Compression-Footnote-4370239
Ref: Compression-Footnote-5370802
Ref: Compression-Footnote-6371019
Node: Linear Packing371210
Node: Precision-Preserving Compression372759
Ref: Precision-Preserving Compression-Footnote-1400575
Ref: Precision-Preserving Compression-Footnote-2400945
Ref: Precision-Preserving Compression-Footnote-3401367
Ref: Precision-Preserving Compression-Footnote-4402486
Ref: Precision-Preserving Compression-Footnote-5403854
Node: Deflation404052
Node: MD5 digests406297
Node: Buffer sizes410274
Ref: Buffer sizes-Footnote-1411572
Node: RAM disks411696
Node: Unbuffered I/O416709
Node: Packed data418008
Ref: Packed data-Footnote-1425782
Node: Operation Types425959
Node: Type Conversion433679
Node: Automatic type conversion434945
Ref: Automatic type conversion-Footnote-1441755
Ref: Automatic type conversion-Footnote-2441778
Ref: Automatic type conversion-Footnote-3441971
Node: Promoting Single-precision to Double442175
Ref: Promoting Single-precision to Double-Footnote-1461088
Ref: Promoting Single-precision to Double-Footnote-2461553
Ref: Promoting Single-precision to Double-Footnote-3462046
Ref: Promoting Single-precision to Double-Footnote-4462346
Ref: Promoting Single-precision to Double-Footnote-5462451
Node: Manual type conversion462515
Node: Batch Mode463500
Node: Global Attribute Addition464661
Node: History Attribute467180
Ref: History Attribute-Footnote-1470810
Node: File List Attributes471059
Node: CF Conventions472863
Node: ARM Conventions489010
Node: Operator Version491125
Node: Reference Manual492283
Node: ncap2 netCDF Arithmetic Processor493417
Node: Syntax of ncap2 statements499152
Node: Expressions500524
Node: Dimensions507884
Node: Left hand casting510133
Node: Arrays and hyperslabs514935
Node: Attributes521363
Node: Value List525123
Node: Number literals526378
Node: if statement530331
Node: Print & String methods532555
Node: Missing values ncap2536681
Node: Methods and functions541767
Node: RAM variables549059
Node: Where statement550340
Node: Loops555664
Node: Include files557012
Node: Sort methods558236
Node: UDUnits script569593
Node: Vpointer573313
Node: Irregular grids577779
Node: Bilinear interpolation583308
Node: GSL special functions587558
Ref: GSL special functions-Footnote-1609908
Node: GSL interpolation611228
Node: GSL least-squares fitting613308
Node: GSL statistics617364
Node: GSL random number generation621137
Node: Examples ncap2625643
Node: Intrinsic mathematical methods633211
Ref: Intrinsic mathematical methods-Footnote-1638564
Ref: Intrinsic mathematical methods-Footnote-2639423
Node: Operator precedence and associativity639496
Node: ID Quoting642048
Node: make_bounds() function644589
Node: solar_zenith_angle function645833
Node: ncatted netCDF Attribute Editor647195
Ref: ncatted netCDF Attribute Editor-Footnote-1667764
Node: ncbo netCDF Binary Operator668845
Ref: ncbo netCDF Binary Operator-Footnote-1682611
Ref: ncbo netCDF Binary Operator-Footnote-2682800
Ref: ncbo netCDF Binary Operator-Footnote-3683160
Ref: ncbo netCDF Binary Operator-Footnote-4683220
Ref: ncbo netCDF Binary Operator-Footnote-5683292
Ref: ncbo netCDF Binary Operator-Footnote-6683498
Node: ncchecker netCDF Compliance Checker683855
Node: ncclimo netCDF Climatology Generator685919
Ref: ncclimo netCDF Climatology Generator-Footnote-1764622
Ref: ncclimo netCDF Climatology Generator-Footnote-2765033
Ref: ncclimo netCDF Climatology Generator-Footnote-3765300
Node: ncecat netCDF Ensemble Concatenator765610
Node: nces netCDF Ensemble Statistics775224
Ref: nces netCDF Ensemble Statistics-Footnote-1785350
Ref: nces netCDF Ensemble Statistics-Footnote-2785628
Node: ncflint netCDF File Interpolator786151
Node: ncks netCDF Kitchen Sink794981
Ref: ncks netCDF Kitchen Sink-Footnote-1867273
Ref: ncks netCDF Kitchen Sink-Footnote-2867591
Ref: ncks netCDF Kitchen Sink-Footnote-3867962
Node: Filters for ncks868077
Node: ncpdq netCDF Permute Dimensions Quickly883355
Ref: ncpdq netCDF Permute Dimensions Quickly-Footnote-1905364
Ref: ncpdq netCDF Permute Dimensions Quickly-Footnote-2905469
Ref: ncpdq netCDF Permute Dimensions Quickly-Footnote-3906050
Node: ncra netCDF Record Averager907440
Node: ncrcat netCDF Record Concatenator917380
Node: ncremap netCDF Remapper921977
Ref: ncremap netCDF Remapper-Footnote-11066844
Ref: ncremap netCDF Remapper-Footnote-21067255
Ref: ncremap netCDF Remapper-Footnote-31067338
Ref: ncremap netCDF Remapper-Footnote-41067480
Ref: ncremap netCDF Remapper-Footnote-51067806
Ref: ncremap netCDF Remapper-Footnote-61068273
Ref: ncremap netCDF Remapper-Footnote-71068559
Node: ncrename netCDF Renamer1068633
Node: ncwa netCDF Weighted Averager1085277
Ref: ncwa netCDF Weighted Averager-Footnote-11090695
Ref: ncwa netCDF Weighted Averager-Footnote-21090836
Node: Mask condition1091042
Ref: Mask condition-Footnote-11092517
Node: Normalization and Integration1092717
Ref: Normalization and Integration-Footnote-11098522
Ref: Normalization and Integration-Footnote-21098596
Ref: Normalization and Integration-Footnote-31098720
Node: Contributing1098889
Ref: Contributing-Footnote-11099624
Node: Contributors1100038
Node: Citation1104341
Node: Proposals for Institutional Funding1105757
Node: Quick Start1106932
Node: Daily data in one file1107409
Node: Monthly data in one file1108831
Node: One time point one file1110493
Node: Multiple files with multiple time points1111450
Node: CMIP5 Example1111942
Node: Combine Files1114678
Node: Global Distribution of Long-term Average1124132
Ref: fgr:glb1124368
Node: Annual Average over Regions1129144
Ref: fgr:anl1129354
Node: Monthly Cycle1142252
Ref: fgr:mon1142411
Node: Regrid MODIS Data1149476
Node: Add Coordinates to MODIS Data1157036
Node: Permute MODIS Coordinates1159038
Node: Parallel1160975
Node: CCSM Example1161327
Node: mybibnode1174012
Ref: ZeM071174137
Ref: Zen081174368
Ref: WZJ071174576
Ref: ZMW061174962
Ref: ZeW071175202
Ref: WZJ061175617
Ref: WZJ0731175807
Ref: WZJ0741176255
Ref: WZJ0811176457
Ref: WZJ0911176737
Ref: PFT881176955
Node: General Index1177082

End Tag Table


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