astimgwarp(1) · carta

NAME

ImageWarp - warp (transform) input image

SYNOPSIS

astimgwarp [OPTION...] [matrix.txt] ASTRdata ...

DESCRIPTION

ImageWarp is part of GNU Astronomy Utilities 0.2.33-8a3b. ImageWarp will warp/transform the input image using an input coordinate matrix. Currently it accepts any general projective mapping (which includes affine mappings as a subset).

For more information, please run any of the following commands. They will respectively show you the `Invoking ImageWarp' subsection, the complete `ImageWarp' section, or the full GNU Astronomy Utilities manual. In particular the first contains a very complete explanation of each option.

: info astimgwarp

: info ImageWarp

: 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

ImageWarp options:

: Input:

--hendwcs=INT: Header keyword number to stop reading WCS.

--hstartwcs=INT: Header keyword number to start reading WCS.

-h, --hdu=STR: Extension name or number of input data.

-m, --matrix=STR: Warp/Transform matrix elements.

--nofitscorrect: Do not shift to correct for FITS positioning.

: Output:

-b, --maxblankfrac=FLT: Maximum fraction of area covered by blank.

-d, --doubletype: Do not convert output to input image type.

-D, --dontdelete: Don't delete output if it exists.

-K, --keepinputdir: Do not remove input's dir info for output.

-n, --nowcscorrection: Do not correct input image WCS.

-o, --output=STR: Output file or directory name.

-z, --zerofornoinput: Set pixels with no input to zero not blank.

: Modular warpings:

-a, --align: Align the image and celestial axes.

-e, --shear=FLT[,FLT]: Shear along the given axis(es).

-f, --flip=FLT[,FLT]: Flip along the given axis(es).

-p, --project=FLT[,FLT]: Project along the given axis(es).

-r, --rotate=FLT: Rotate by the given angle in degrees.

-s, --scale=FLT[,FLT]: Scale along the given axis(es).

-t, --translate=FLT[,FLT]: Translate along the given axis(es).

: Operating modes:

-?, --help: give this help list

--cite: BibTeX citation for ImageWarp.

--nolog: No log file for programs which make one.

-N, --numthreads=INT: Number of CPU threads to use.

--onlydirconf: Only read current directory configuration file.

--onlyversion=STR: Only run if the program version is this.

-P, --printparams: Print parameter values to be used and abort.

-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 optional for any corresponding short options.

GNU Astronomy Utilities home page: http://www.gnu.org/software/gnuastro/

AUTHOR

Written by Mohammad Akhlaghi

REPORTING BUGS

Report bugs to [email protected].

COPYRIGHT