This is gnuastro.info, produced by makeinfo version 6.8 from
gnuastro.texi.

This book documents version 0.18 of the GNU Astronomy Utilities
(Gnuastro).  Gnuastro provides various programs and libraries for
astronomical data manipulation and analysis.

   Copyright © 2015-2022 Free Software Foundation, Inc.

     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.  A copy of the license is included in the
     section entitled “GNU Free Documentation License”.
INFO-DIR-SECTION Astronomy
START-INFO-DIR-ENTRY
* Gnuastro: (gnuastro).       GNU Astronomy Utilities.
* libgnuastro: (gnuastro)Gnuastro library. Full Gnuastro library doc.

* help-gnuastro: (gnuastro)help-gnuastro mailing list. Getting help.

* bug-gnuastro: (gnuastro)Report a bug. How to report bugs

* Arithmetic: (gnuastro)Arithmetic. Arithmetic operations on pixels.
* astarithmetic: (gnuastro)Invoking astarithmetic. Options to Arithmetic.

* BuildProgram: (gnuastro)BuildProgram. Compile and run programs using Gnuastro’s library.
* astbuildprog: (gnuastro)Invoking astbuildprog. Options to BuildProgram.

* ConvertType: (gnuastro)ConvertType. Convert different file types.
* astconvertt: (gnuastro)Invoking astconvertt. Options to ConvertType.

* Convolve: (gnuastro)Convolve. Convolve an input file with kernel.
* astconvolve: (gnuastro)Invoking astconvolve. Options to Convolve.

* CosmicCalculator: (gnuastro)CosmicCalculator. For cosmological params.
* astcosmiccal: (gnuastro)Invoking astcosmiccal. Options to CosmicCalculator.

* Crop: (gnuastro)Crop. Crop region(s) from image(s).
* astcrop: (gnuastro)Invoking astcrop. Options to Crop.

* Fits: (gnuastro)Fits. View and manipulate FITS extensions and keywords.
* astfits: (gnuastro)Invoking astfits. Options to Fits.

* MakeCatalog: (gnuastro)MakeCatalog. Make a catalog from labeled image.
* astmkcatalog: (gnuastro)Invoking astmkcatalog. Options to MakeCatalog.

* MakeNoise: (gnuastro)MakeNoise. Make (add) noise to an image.
* astmknoise: (gnuastro)Invoking astmknoise. Options to MakeNoise.

* MakeProfiles: (gnuastro)MakeProfiles. Make mock profiles.
* astmkprof: (gnuastro)Invoking astmkprof. Options to MakeProfiles.

* Match: (gnuastro)Match. Match two separate catalogs.
* astmatch: (gnuastro)Invoking astmatch. Options to Match.

* NoiseChisel: (gnuastro)NoiseChisel. Detect signal in noise.
* astnoisechisel: (gnuastro)Invoking astnoisechisel. Options to NoiseChisel.

* Segment: (gnuastro)Segment. Segment detections based on signal structure.
* astsegment: (gnuastro)Invoking astsegment. Options to Segment.

* Query: (gnuastro)Query. Access remote databases for downloading data.
* astquery: (gnuastro)Invoking astquery. Options to Query.

* Statistics: (gnuastro)Statistics. Get image Statistics.
* aststatistics: (gnuastro)Invoking aststatistics. Options to Statistics.

* Table: (gnuastro)Table. Read and write FITS binary or ASCII tables.
* asttable: (gnuastro)Invoking asttable. Options to Table.

* Warp: (gnuastro)Warp. Warp a dataset to a new grid.
* astwarp: (gnuastro)Invoking astwarp. Options to Warp.

* astscript: (gnuastro)Installed scripts. Gnuastro’s installed scripts.
* astscript-sort-by-night: (gnuastro)Invoking astscript-sort-by-night. Options to this script
* astscript-radial-profile: (gnuastro)Invoking astscript-radial-profile. Options to this script
* astscript-ds9-region: (gnuastro)Invoking astscript-ds9-region. Options to this script
* astscript-fits-view: (gnuastro)Invoking astscript-fits-view. Options to this script
* astscript-psf-select-stars: (gnuastro)Invoking astscript-psf-select-stars. Options to this script
* astscript-psf-stamp: (gnuastro)Invoking astscript-psf-stamp. Options to this script
* astscript-psf-unite: (gnuastro)Invoking astscript-psf-unite. Options to this script
* astscript-psf-scale-factor: (gnuastro)Invoking astscript-psf-scale-factor. Options to this script
* astscript-psf-subtract: (gnuastro)Invoking astscript-psf-subtract. Options to this script
END-INFO-DIR-ENTRY


Indirect:
gnuastro.info-1: 4234
gnuastro.info-2: 311737
gnuastro.info-3: 606762
gnuastro.info-4: 917217
gnuastro.info-5: 1238399
gnuastro.info-6: 1508379
gnuastro.info-7: 1807394
gnuastro.info-8: 2127646

Tag Table:
(Indirect)
Node: Top4234
Node: Introduction33510
Node: Quick start36263
Ref: Quick start-Footnote-139324
Node: Science and its tools39520
Ref: Science and its tools-Footnote-152213
Ref: Science and its tools-Footnote-252267
Ref: Science and its tools-Footnote-352743
Ref: Science and its tools-Footnote-452888
Ref: Science and its tools-Footnote-553021
Ref: Science and its tools-Footnote-653534
Node: Your rights53637
Ref: Your rights-Footnote-155816
Ref: Your rights-Footnote-255925
Ref: Your rights-Footnote-355990
Node: Logo of Gnuastro56055
Node: Naming convention57709
Node: Version numbering58851
Ref: Version numbering-Footnote-161943
Node: GNU Astronomy Utilities 1.062247
Ref: GNU Astronomy Utilities 1.0-Footnote-164178
Node: New to GNU/Linux?64210
Ref: New to GNU/Linux?-Footnote-166593
Node: Command-line interface66683
Ref: Command-line interface-Footnote-172498
Ref: Command-line interface-Footnote-272530
Ref: Command-line interface-Footnote-372632
Node: Report a bug72868
Ref: Report a bug-Footnote-178719
Ref: Report a bug-Footnote-278782
Node: Suggest new feature78844
Node: Announcements81736
Node: Conventions82692
Node: Acknowledgments85048
Node: Tutorials90886
Ref: Tutorials-Footnote-195569
Ref: Tutorials-Footnote-296386
Node: Sufi simulates a detection96496
Ref: Sufi simulates a detection-Footnote-1128205
Ref: Sufi simulates a detection-Footnote-2128467
Ref: Sufi simulates a detection-Footnote-3128842
Node: General program usage tutorial128902
Ref: General program usage tutorial-Footnote-1133185
Ref: General program usage tutorial-Footnote-2133262
Ref: General program usage tutorial-Footnote-3133306
Node: Calling Gnuastro's programs133350
Node: Accessing documentation134272
Ref: Accessing documentation-Footnote-1138899
Node: Setup and data download138980
Ref: Setup and data download-Footnote-1140916
Node: Dataset inspection and cropping141053
Ref: Dataset inspection and cropping-Footnote-1147017
Ref: Dataset inspection and cropping-Footnote-2147080
Node: Angular coverage on the sky147521
Ref: Angular coverage on the sky-Footnote-1155862
Node: Cosmological coverage156813
Node: Building custom programs with the library160205
Node: Option management and configuration files165304
Node: Warping to a new pixel grid173209
Node: NoiseChisel and Multiextension FITS files176676
Ref: NoiseChisel and Multiextension FITS files-Footnote-1183790
Ref: NoiseChisel and Multiextension FITS files-Footnote-2183869
Node: NoiseChisel optimization for detection184024
Ref: NoiseChisel optimization for detection-Footnote-1200121
Node: NoiseChisel optimization for storage200983
Node: Segmentation and making a catalog204754
Ref: Segmentation and making a catalog-Footnote-1213033
Ref: Segmentation and making a catalog-Footnote-2213369
Node: Measuring the dataset limits213512
Ref: Measuring the dataset limits-Footnote-1225963
Ref: Measuring the dataset limits-Footnote-2226018
Node: Working with catalogs estimating colors226105
Ref: Working with catalogs estimating colors-Footnote-1241259
Node: Column statistics color-magnitude diagram241528
Node: Aperture photometry248705
Ref: Aperture photometry-Footnote-1252481
Node: Matching catalogs252537
Node: Finding reddest clumps and visual inspection256351
Node: Writing scripts to automate the steps261530
Ref: Writing scripts to automate the steps-Footnote-1277969
Node: Citing and acknowledging Gnuastro278400
Node: Detecting large extended targets279499
Ref: Detecting large extended targets-Footnote-1281808
Node: Downloading and validating input data281858
Ref: Downloading and validating input data-Footnote-1286717
Ref: Downloading and validating input data-Footnote-2286955
Node: NoiseChisel optimization287305
Ref: NoiseChisel optimization-Footnote-1307015
Ref: NoiseChisel optimization-Footnote-2307103
Ref: NoiseChisel optimization-Footnote-3307212
Ref: NoiseChisel optimization-Footnote-4307348
Node: Skewness caused by signal and its measurement311737
Node: Image surface brightness limit322988
Ref: Image surface brightness limit-Footnote-1336725
Ref: Image surface brightness limit-Footnote-2336975
Ref: Image surface brightness limit-Footnote-3337038
Node: Achieved surface brightness level337224
Ref: Achieved surface brightness level-Footnote-1344579
Ref: Achieved surface brightness level-Footnote-2345420
Node: Extract clumps and objects345560
Ref: Extract clumps and objects-Footnote-1354354
Ref: Extract clumps and objects-Footnote-2354467
Node: Building the extended PSF354813
Node: Preparing input for extended PSF355916
Ref: Preparing input for extended PSF-Footnote-1358022
Node: Saturated pixels and Segment's clumps358175
Ref: Saturated pixels and Segment's clumps-Footnote-1369997
Node: One object for the whole detection370247
Node: Building outer part of PSF378314
Node: Inner part of the PSF387723
Node: Uniting the different PSF components390765
Node: Subtracting the PSF403207
Ref: Subtracting the PSF-Footnote-1416930
Node: Installation417179
Ref: Installation-Footnote-1419754
Node: Dependencies419841
Node: Mandatory dependencies421479
Node: GNU Scientific Library422220
Node: CFITSIO423070
Ref: CFITSIO-Footnote-1427527
Node: WCSLIB427689
Ref: WCSLIB-Footnote-1429934
Ref: WCSLIB-Footnote-2430068
Ref: WCSLIB-Footnote-3430154
Ref: WCSLIB-Footnote-4430185
Node: Optional dependencies430231
Ref: Optional dependencies-Footnote-1436649
Node: Bootstrapping dependencies436928
Ref: Bootstrapping dependencies-Footnote-1445677
Ref: Bootstrapping dependencies-Footnote-2445950
Ref: Bootstrapping dependencies-Footnote-3446412
Ref: Bootstrapping dependencies-Footnote-4446718
Ref: Bootstrapping dependencies-Footnote-5446870
Node: Dependencies from package managers447076
Ref: Dependencies from package managers-Footnote-1456905
Ref: Dependencies from package managers-Footnote-2456987
Ref: Dependencies from package managers-Footnote-3457034
Node: Downloading the source457071
Node: Release tarball458055
Node: Version controlled source461288
Ref: Version controlled source-Footnote-1464361
Node: Bootstrapping464634
Ref: Bootstrapping-Footnote-1470460
Node: Synchronizing470580
Ref: Synchronizing-Footnote-1474959
Ref: Synchronizing-Footnote-2475155
Node: Build and install475344
Node: Configuring477141
Node: Gnuastro configure options478833
Node: Installation directory485555
Ref: Installation directory-Footnote-1500116
Ref: Installation directory-Footnote-2500214
Ref: Installation directory-Footnote-3500344
Ref: Installation directory-Footnote-4500427
Ref: Installation directory-Footnote-5500609
Node: Executable names501266
Node: Configure and build in RAM505147
Node: Separate build and source directories507659
Node: Tests515695
Node: A4 print book517362
Node: Known issues518781
Ref: Known issues-Footnote-1525843
Ref: Known issues-Footnote-2525882
Ref: Known issues-Footnote-3526070
Ref: Known issues-Footnote-4526125
Node: Common program behavior526186
Ref: Common program behavior-Footnote-1529717
Node: Command-line529980
Node: Arguments and options530945
Node: Arguments534649
Node: Options537421
Node: Common options544316
Node: Input output options545219
Ref: Input output options-Footnote-1552397
Ref: Input output options-Footnote-2552534
Node: Processing options552607
Node: Operating mode options560274
Ref: Operating mode options-Footnote-1573988
Node: Shell TAB completion574050
Ref: Shell TAB completion-Footnote-1578222
Ref: Shell TAB completion-Footnote-2578303
Ref: Shell TAB completion-Footnote-3578350
Ref: Shell TAB completion-Footnote-4578441
Ref: Shell TAB completion-Footnote-5578548
Node: Standard input578719
Node: Configuration files582821
Ref: Configuration files-Footnote-1584794
Ref: Configuration files-Footnote-2584863
Node: Configuration file format585084
Node: Configuration file precedence587491
Ref: Configuration file precedence-Footnote-1591840
Node: Current directory and User wide592009
Node: System wide593274
Node: Getting help594793
Node: --usage597314
Node: --help598660
Node: Man pages606762
Node: Info607593
Node: help-gnuastro mailing list610008
Node: Multi-threaded operations611078
Node: A note on threads612525
Node: How to run simultaneous operations615089
Ref: How to run simultaneous operations-Footnote-1619457
Ref: How to run simultaneous operations-Footnote-2619857
Ref: How to run simultaneous operations-Footnote-3619902
Ref: How to run simultaneous operations-Footnote-4619954
Node: Numeric data types620485
Node: Memory management627253
Ref: Memory management-Footnote-1638085
Node: Tables638205
Node: Recognized table formats641523
Node: Gnuastro text table format646906
Node: Selecting table columns656721
Node: Tessellation660596
Node: Automatic output666347
Ref: Automatic output-Footnote-1668937
Node: Output FITS files669149
Node: Data containers675377
Node: Fits678281
Ref: Fits-Footnote-1683605
Node: Invoking astfits683672
Node: HDU information and manipulation688537
Node: Keyword inspection and manipulation698644
Ref: Keyword inspection and manipulation-Footnote-1727210
Ref: Keyword inspection and manipulation-Footnote-2728067
Node: ConvertType728140
Ref: ConvertType-Footnote-1729814
Node: Recognized file formats729883
Ref: Recognized file formats-Footnote-1738764
Node: Color738811
Node: Aligning images with small WCS offsets743359
Node: Annotations for figure in paper746247
Ref: Annotations for figure in paper-Footnote-1761983
Ref: Annotations for figure in paper-Footnote-2762065
Ref: Annotations for figure in paper-Footnote-3762135
Ref: Annotations for figure in paper-Footnote-4762274
Ref: Annotations for figure in paper-Footnote-5762360
Ref: Annotations for figure in paper-Footnote-6762408
Ref: Annotations for figure in paper-Footnote-7762478
Node: Full script of annotations on figure762560
Node: Invoking astconvertt767170
Ref: Invoking astconvertt-Footnote-1782335
Node: Table782387
Ref: Table-Footnote-1785661
Node: Column arithmetic786055
Ref: Column arithmetic-Footnote-1800879
Node: Operation precedence in Table801073
Node: Invoking asttable811634
Node: Query845786
Ref: Query-Footnote-1848639
Ref: Query-Footnote-2848680
Node: Available databases848722
Node: Invoking astquery859491
Node: Data manipulation875068
Node: Crop875799
Node: Crop modes877947
Node: Crop section syntax885487
Node: Blank pixels888621
Node: Invoking astcrop890299
Node: Crop options894056
Ref: Crop options-Footnote-1912861
Ref: Crop options-Footnote-2912935
Node: Crop output917217
Node: Crop known issues922347
Node: Arithmetic924122
Node: Reverse polish notation925436
Ref: Reverse polish notation-Footnote-1932623
Ref: Reverse polish notation-Footnote-2932679
Node: Integer benefits and pitfalls932793
Node: Arithmetic operators938460
Node: Basic mathematical operators941767
Node: Trigonometric and hyperbolic operators948135
Node: Unit conversion operators950878
Ref: Unit conversion operators-Footnote-1956822
Node: Statistical operators957120
Node: Stacking operators962542
Node: Filtering operators971023
Node: Interpolation operators975737
Node: Dimensionality changing operators979515
Node: Conditional operators988534
Node: Mathematical morphology operators996475
Node: Bitwise operators1002993
Node: Numerical type conversion operators1009351
Node: Random number generators1012276
Ref: Random number generators-Footnote-11031332
Node: Elliptical shape operators1031585
Node: Loading external columns1035030
Node: Building new dataset1036590
Node: Operand storage in memory or a file1037685
Ref: Operand storage in memory or a file-Footnote-11042904
Node: Invoking astarithmetic1043196
Node: Convolve1057155
Ref: Convolve-Footnote-11059805
Ref: Convolve-Footnote-21060017
Node: Spatial domain convolution1060301
Ref: Spatial domain convolution-Footnote-11061546
Node: Convolution process1061607
Node: Edges in the spatial domain1063822
Ref: Edges in the spatial domain-Footnote-11067049
Ref: Edges in the spatial domain-Footnote-21067145
Node: Frequency domain and Fourier operations1067226
Node: Fourier series historical background1069991
Ref: epicycle1071569
Ref: Fourier series historical background-Footnote-11074775
Ref: Fourier series historical background-Footnote-21074876
Node: Circles and the complex plane1075234
Ref: iandtime1079737
Ref: Circles and the complex plane-Footnote-11079985
Node: Fourier series1080354
Ref: Fourier series-Footnote-11084495
Node: Fourier transform1084592
Ref: Fourier transform-Footnote-11087667
Node: Dirac delta and comb1087913
Node: Convolution theorem1091317
Ref: Convolution theorem-Footnote-11095417
Node: Sampling theorem1095478
Ref: samplingfreq1098254
Ref: Sampling theorem-Footnote-11102376
Node: Discrete Fourier transform1102521
Ref: Discrete Fourier transform-Footnote-11105841
Ref: Discrete Fourier transform-Footnote-21105955
Node: Fourier operations in two dimensions1106088
Ref: Fourier operations in two dimensions-Footnote-11108872
Node: Edges in the frequency domain1109037
Node: Spatial vs. Frequency domain1112729
Node: Convolution kernel1114287
Node: Invoking astconvolve1117031
Node: Warp1125305
Ref: Warp-Footnote-11128745
Ref: Warp-Footnote-21128889
Node: Warping basics1129051
Ref: Warping basics-Footnote-11134986
Ref: Warping basics-Footnote-21135082
Ref: Warping basics-Footnote-31135145
Ref: Warping basics-Footnote-41135206
Ref: Warping basics-Footnote-51135256
Node: Merging multiple warpings1135512
Node: Resampling1136994
Ref: Resampling-Footnote-11141264
Ref: Resampling-Footnote-21141349
Ref: Resampling-Footnote-31141442
Ref: Resampling-Footnote-41141508
Node: Invoking astwarp1141556
Node: Data analysis1152847
Node: Statistics1153730
Node: Histogram and Cumulative Frequency Plot1155382
Ref: Histogram and Cumulative Frequency Plot-Footnote-11159558
Node: 2D Histograms1159716
Node: 2D histogram as a table for plotting1162489
Ref: 2D histogram as a table for plotting-Footnote-11167506
Node: 2D histogram as an image1167604
Node: Sigma clipping1173736
Node: Sky value1178105
Node: Sky value definition1180255
Ref: Sky value definition-Footnote-11183686
Ref: Sky value definition-Footnote-21184006
Node: Sky value misconceptions1184110
Ref: Sky value misconceptions-Footnote-11186613
Node: Quantifying signal in a tile1186884
Ref: Quantifying signal in a tile-Footnote-11198216
Node: Invoking aststatistics1198311
Ref: Invoking aststatistics-Footnote-11233889
Ref: Invoking aststatistics-Footnote-21234095
Node: NoiseChisel1238399
Node: NoiseChisel changes after publication1246518
Ref: NoiseChisel changes after publication-Footnote-11249068
Node: Invoking astnoisechisel1249170
Ref: Invoking astnoisechisel-Footnote-11257557
Node: NoiseChisel input1257810
Node: Detection options1265762
Node: NoiseChisel output1292264
Node: Segment1300938
Ref: Segment-Footnote-11305846
Ref: Segment-Footnote-21305915
Node: Invoking astsegment1306051
Node: Segment input1308936
Node: Segmentation options1320095
Node: Segment output1329278
Node: MakeCatalog1336181
Ref: MakeCatalog-Footnote-11340932
Ref: MakeCatalog-Footnote-21341136
Ref: MakeCatalog-Footnote-31341234
Node: Detection and catalog production1341383
Ref: Detection and catalog production-Footnote-11345235
Node: Brightness flux magnitude1345292
Ref: Brightness flux magnitude-Footnote-11357753
Ref: Brightness flux magnitude-Footnote-21357817
Ref: Brightness flux magnitude-Footnote-31358024
Ref: Brightness flux magnitude-Footnote-41358177
Ref: Brightness flux magnitude-Footnote-51358346
Ref: Brightness flux magnitude-Footnote-61358399
Node: Quantifying measurement limits1358486
Node: Magnitude measurement error of each detection1360763
Node: Surface brightness error of each detection1362242
Node: Completeness limit of each detection1363589
Node: Upper limit magnitude of each detection1365482
Ref: Upper limit magnitude of each detection-Footnote-11369590
Node: Magnitude limit of image1369765
Node: Surface brightness limit of image1371646
Ref: Surface brightness limit of image-Footnote-11377891
Ref: Surface brightness limit of image-Footnote-21378066
Ref: Surface brightness limit of image-Footnote-31378259
Ref: Surface brightness limit of image-Footnote-41378483
Node: Upper limit magnitude of image1378837
Node: Measuring elliptical parameters1379501
Node: Adding new columns to MakeCatalog1387977
Node: Invoking astmkcatalog1393260
Node: MakeCatalog inputs and basic settings1395881
Node: Upper-limit settings1408725
Ref: Upper-limit settings-Footnote-11416359
Ref: Upper-limit settings-Footnote-21416442
Node: MakeCatalog measurements1416629
Node: MakeCatalog output1451226
Ref: MakeCatalog output-Footnote-11458446
Node: Match1458709
Node: Matching algorithms1459589
Node: Invoking astmatch1469450
Node: Modeling and fittings1490067
Node: MakeProfiles1490691
Node: Modeling basics1493282
Node: Defining an ellipse and ellipsoid1494075
Ref: Defining an ellipse and ellipsoid-Footnote-11498962
Ref: Defining an ellipse and ellipsoid-Footnote-21499162
Node: PSF1499222
Ref: PSF-Footnote-11503965
Node: Stars1508379
Node: Galaxies1509032
Ref: Galaxies-Footnote-11510321
Node: Sampling from a function1510524
Node: Oversampling1515309
Node: If convolving afterwards1516675
Node: Profile magnitude1517936
Node: Invoking astmkprof1519736
Ref: Invoking astmkprof-Footnote-11525588
Node: MakeProfiles catalog1525841
Ref: MakeProfiles catalog-Footnote-11535726
Node: MakeProfiles profile settings1536115
Ref: MakeProfiles profile settings-Footnote-11550953
Node: MakeProfiles output dataset1551103
Ref: MakeProfiles output dataset-Footnote-11564154
Ref: MakeProfiles output dataset-Footnote-21564731
Node: MakeProfiles log file1565203
Node: MakeNoise1566555
Node: Noise basics1567241
Node: Photon counting noise1568436
Ref: Photon counting noise-Footnote-11575595
Ref: Photon counting noise-Footnote-21575713
Ref: Photon counting noise-Footnote-31575911
Node: Instrumental noise1576340
Node: Final noised pixel value1577811
Node: Generating random numbers1578332
Ref: Generating random numbers-Footnote-11583371
Ref: Generating random numbers-Footnote-21583473
Ref: Generating random numbers-Footnote-31583544
Node: Invoking astmknoise1583879
Node: High-level calculations1587963
Node: CosmicCalculator1588764
Node: Distance on a 2D curved space1590190
Ref: flatplane1592965
Ref: sphereandplane1595194
Ref: Distance on a 2D curved space-Footnote-11601916
Ref: Distance on a 2D curved space-Footnote-21602198
Ref: Distance on a 2D curved space-Footnote-31602662
Ref: Distance on a 2D curved space-Footnote-41602826
Node: Extending distance concepts to 3D1602914
Node: Invoking astcosmiccal1604436
Node: CosmicCalculator input options1607325
Node: CosmicCalculator basic cosmology calculations1612743
Node: CosmicCalculator spectral line calculations1619013
Node: Installed scripts1622922
Ref: Installed scripts-Footnote-11626416
Node: Sort FITS files by night1627069
Node: Invoking astscript-sort-by-night1632232
Node: Generate radial profile1638803
Node: Invoking astscript-radial-profile1639767
Node: SAO DS9 region files from table1655310
Ref: SAO DS9 region files from table-Footnote-11656303
Node: Invoking astscript-ds9-region1656331
Node: Viewing FITS file contents with DS9 or TOPCAT1663384
Node: Invoking astscript-fits-view1667621
Node: PSF construction and subtraction1673091
Ref: PSF construction and subtraction-Footnote-11675462
Node: Overview of the PSF scripts1675629
Node: Invoking astscript-psf-select-stars1681436
Node: Invoking astscript-psf-stamp1689828
Node: Invoking astscript-psf-unite1698201
Node: Invoking astscript-psf-scale-factor1703195
Node: Invoking astscript-psf-subtract1709745
Node: Library1714666
Node: Review of library fundamentals1716913
Node: Headers1719039
Ref: Headers-Footnote-11729221
Ref: Headers-Footnote-21729279
Ref: Headers-Footnote-31729476
Ref: Headers-Footnote-41729593
Ref: Headers-Footnote-51729699
Node: Linking1729780
Ref: Linking-Footnote-11741434
Ref: Linking-Footnote-21741625
Ref: Linking-Footnote-31741907
Ref: Linking-Footnote-41742081
Ref: Linking-Footnote-51742337
Node: Summary and example on libraries1742431
Node: BuildProgram1746356
Node: Invoking astbuildprog1747897
Node: Gnuastro library1758090
Ref: Gnuastro library-Footnote-11762783
Node: Configuration information1762922
Ref: Configuration information-Footnote-11767105
Node: Multithreaded programming1767160
Ref: Multithreaded programming-Footnote-11770221
Ref: Multithreaded programming-Footnote-21770381
Node: Implementation of pthread_barrier1770443
Node: Gnuastro's thread related functions1773320
Node: Library data types1781507
Node: Pointers1797380
Node: Library blank values1807394
Node: Library data container1819033
Node: Generic data container1820228
Ref: Generic data container-Footnote-11833389
Ref: Generic data container-Footnote-21833448
Ref: Generic data container-Footnote-31833526
Node: Dataset allocation1833595
Node: Arrays of datasets1837579
Node: Copying datasets1840260
Node: Dimensions1844043
Node: Linked lists1855549
Ref: Linked lists-Footnote-11860639
Node: List of strings1861038
Node: List of int32_t1864221
Node: List of size_t1867958
Ref: List of size_t-Footnote-11872430
Node: List of float1872532
Node: List of double1876213
Node: List of void1880033
Node: Ordered list of size_t1882845
Node: Doubly linked ordered list of size_t1885831
Node: List of gal_data_t1889266
Node: Array input output1892621
Node: Table input output1897250
Node: FITS files1909646
Node: FITS macros errors filenames1911566
Node: CFITSIO and Gnuastro types1914416
Node: FITS HDUs1916934
Node: FITS header keywords1920420
Ref: FITS header keywords-Footnote-11941996
Node: FITS arrays1942210
Node: FITS tables1948434
Node: File input output1953631
Node: Text files1954648
Node: TIFF files1965001
Node: JPEG files1967310
Node: EPS files1970098
Node: PDF files1973895
Node: World Coordinate System1976703
Ref: World Coordinate System-Footnote-11996607
Ref: World Coordinate System-Footnote-21996680
Ref: World Coordinate System-Footnote-31996756
Node: Arithmetic on datasets1996930
Node: Tessellation library2022517
Node: Independent tiles2026678
Node: Tile grid2041666
Node: Bounding box2053160
Node: Polygons2058388
Node: Qsort functions2068941
Node: K-d tree2074893
Ref: K-d tree-Footnote-12086359
Node: Permutations2086758
Ref: Permutations-Footnote-12089489
Node: Matching2089787
Node: Statistical operations2097438
Node: Binary datasets2127646
Node: Labeled datasets2140900
Ref: Labeled datasets-Footnote-12156766
Ref: Labeled datasets-Footnote-22157104
Node: Convolution functions2157271
Ref: Convolution functions-Footnote-12160662
Node: Interpolation2160715
Ref: Interpolation-Footnote-12173216
Node: Git wrappers2173278
Node: Unit conversion library2175119
Node: Spectral lines library2180029
Node: Cosmology library2185800
Node: SAO DS9 library2189206
Ref: SAO DS9 library-Footnote-12191769
Node: Library demo programs2191832
Node: Library demo - reading a image2192774
Node: Library demo - inspecting neighbors2194944
Node: Library demo - multi-threaded operation2196669
Node: Library demo - reading and writing table columns2202330
Node: Developing2208026
Node: Why C2210446
Ref: Why C-Footnote-12217479
Ref: Why C-Footnote-22217509
Ref: Why C-Footnote-32217577
Ref: Why C-Footnote-42217611
Ref: Why C-Footnote-52217644
Ref: Why C-Footnote-62217709
Ref: Why C-Footnote-72217908
Ref: Why C-Footnote-82218014
Ref: Why C-Footnote-92218088
Ref: Why C-Footnote-102218215
Ref: Why C-Footnote-112218262
Ref: Why C-Footnote-122218493
Ref: Why C-Footnote-132218609
Node: Program design philosophy2218655
Ref: Program design philosophy-Footnote-12221728
Ref: Program design philosophy-Footnote-22221990
Ref: Program design philosophy-Footnote-32222098
Node: Coding conventions2222146
Ref: Coding conventions-Footnote-12234600
Ref: Coding conventions-Footnote-22234672
Ref: Coding conventions-Footnote-32234980
Ref: Coding conventions-Footnote-42235143
Node: Program source2235413
Node: Mandatory source code files2236522
Node: The TEMPLATE program2245642
Node: Documentation2250873
Node: Building and debugging2255834
Node: Test scripts2258799
Ref: Test scripts-Footnote-12261423
Ref: Test scripts-Footnote-22261590
Node: Bash programmable completion2261779
Node: Bash TAB completion tutorial2263703
Ref: Bash TAB completion tutorial-Footnote-12275316
Ref: Bash TAB completion tutorial-Footnote-22275416
Ref: Bash TAB completion tutorial-Footnote-32275498
Node: Implementing TAB completion in Gnuastro2275580
Node: Developer's checklist2279152
Node: Gnuastro project webpage2281092
Ref: Gnuastro project webpage-Footnote-12285377
Ref: Gnuastro project webpage-Footnote-22285431
Ref: Gnuastro project webpage-Footnote-32285467
Node: Developing mailing lists2285592
Node: Contributing to Gnuastro2287855
Node: Copyright assignment2289856
Node: Commit guidelines2293960
Ref: Commit guidelines-Footnote-12300234
Node: Production workflow2300297
Ref: Production workflow-Footnote-12303218
Ref: Production workflow-Footnote-22303297
Ref: Production workflow-Footnote-32303380
Node: Forking tutorial2303462
Ref: Forking tutorial-Footnote-12308046
Ref: Forking tutorial-Footnote-22308327
Node: Gnuastro programs list2308436
Node: Other useful software2316118
Node: SAO DS92316658
Node: TOPCAT2319209
Node: PGPLOT2322069
Ref: PGPLOT-Footnote-12325665
Node: GNU Free Doc. License2325717
Node: GNU General Public License2351074
Node: Index2388864

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