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CONVERTTYPE(1) User Commands CONVERTTYPE(1) NAME ConvertType - convert known data types to each other SYNOPSIS astconvertt [OPTION...] InputFile1 [InputFile2] ... [InputFile4] DESCRIPTION ConvertType is part of GNU Astronomy Utilities 0.24. ConvertType will con- vert any of the known input formats to any other of the known formats. The output file will have the same number of pixels. For more information, please run any of the following commands. In particu- lar the second contains a very comprehensive explanation of ConvertType's invocation: expected input(s), output(s), and a full description of all the options. All options and their values: $ astconvertt -P Inputs/Outputs and options: $ info astconvertt Full section in manual/book: $ info ConvertType Full Gnuastro manual/book: $ info gnuastro If you couldn't find your answer in the manual, you can get direct help from experienced Gnuastro users and developers. For more information, please run: $ info help-gnuastro ConvertType options: Input: -g, --globalhdu=STR/INT Use this HDU for all inputs, ignore '--hdu'. -h, --hdu=STR/INT FITS input HDU, multiple calls possible. -I, --ignorecase Ignore case in matching/searching columns. --searchin=STR Select column(s): 'name', 'unit', 'comment'. --stdintimeout=INT Micro-seconds to wait for standard input. Output: --bordercolor=STR Name of color to use for the border. --cmappgfplots Color map to include in PGFPlots (in LaTeX). --colormap=STR[,FLT] Color map when only a single channel is given. -D, --dontdelete Don't delete output if it exists. -K, --keepinputdir Keep input directory for automatic output. -l, --cmapblankcolor=STR Blank color name in color maps. --outfitsnocommit No Git commit in 0-th HDU of output FITS. --outfitsnoconfig No metadata in 0-th HDU of output FITS. --outfitsnodate No 'DATE' in 0-th HDU of output FITS. --outfitsnoversions No versions in 0-th HDU of output FITS. -o, --output=STR Output filename or suffix. --rgbtohsv Convert RGB input into HSV (in FITS output) -u, --quality=INT Quality of output JPEG image (1 to 100). --wcslinearmatrix=STR WCS linear matrix of output ('pc' or 'cd'). -w, --widthincm=FLT Width in units of centimeters. -x, --hex Hexadecimal encoding in EPS. Default: ASCII85. Flux: -A, --forcemin Force --fluxmin, even when smaller than min. -B, --forcemax Force --fluxmax, even when larger than max. -c, --change=STR Change pixel values 'from_1:to_1,from_2:to_2'. -C, --changeaftertrunc First truncate then change pixel values. -H, --fluxhigh=FLT Higher flux truncation value. -i, --invert Invert the values in JPEG and EPS/PDF. -L, --fluxlow=FLT Lower flux truncation value. -m, --maxbyte=INT Maximum byte value for all color channels. Vector graphics (only for EPS or PDF outputs) -b, --borderwidth=INT Border width in units of points (1/72 inch). --listcolors List names and RGB info of all colors. --listfonts List names of available fonts. --markcolor=STR Name or Number of col. with mark color. --markfont=STR Name or Num. of col. with mark font name. --markfontsize=STR Name or Num. of col. with mark font size. --marklinewidth=STR Name or Number of col. with line width. --markrotate=STR Name or Num. of col. with mark rotation. --marks=STR Name of mark information table. --markshape=STR Name or Number of col. with mark shapes: circle (1), plus (2), cross (3), ellipse (4), point(5), square (6) rectangle (7) and line (8). --markshdu=STR HDU in '--marks' (if its a FITS file). --marksize=STR[,STR] Name or Number of cols. with mark size(s). --marktext=STR Name or Num. of col. with mark text. --marktextprecision=INT Number decimals when text is float column. -O, --mode=STR Coordinate mode for marks ('wcs' or 'img'). -r, --markcoords=STR,STR Name or Number of columns with coordinates. --showfonts Show all fonts in a PDF. --sizeinarcmin Size col. values are in arcmin (in WCS-mode). --sizeinarcsec Size col. values are in arcsec (in WCS-mode). --sizeinpix Size col. values are in pixels (in WCS-mode). Operating modes: -?, --help give this help list --checkconfig List all config files and variables read. --cite BibTeX citation for this program. --config=STR Read configuration file STR immediately. --config-prefix=STR Custom prefix of option names config files. --lastconfig Do not parse any more configuration files. --log Information about output(s) in a log file. --minmapsize=INT Min. bytes to avoid RAM automatically. -N, --numthreads=INT Number of CPU threads to use. --onlyversion=STR Only run if the program version is STR. -P, --printparams Print parameter values to be used and abort. --quietmmap Don't print mmap'd file's name and size. -q, --quiet Only report errors, remain quiet about steps. -S, --setdirconf Set default values for this directory and abort. --usage give a short usage message -U, --setusrconf Set default values for this user and abort. -V, --version print program version Mandatory or optional arguments to long options are also mandatory or op- tional for any corresponding short options. GNU Astronomy Utilities home page: http://www.gnu.org/software/gnuastro/ REPORTING BUGS Report bugs to bug-gnuastro@gnu.org. COPYRIGHT Copyright (C) 2015-2025 Free Software Foundation, Inc. License GPLv3+: GNU General public license version 3 or later. This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Written/developed by Mohammad Akhlaghi SEE ALSO The full documentation for ConvertType is maintained as a Texinfo manual. If the info and ConvertType programs are properly installed at your site, the command info ConvertType should give you access to the complete manual. GNU Astronomy Utilities 0.24 November 2025 CONVERTTYPE(1)
NAME | SYNOPSIS | DESCRIPTION | REPORTING BUGS | COPYRIGHT | SEE ALSO
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