Syntax

Description

writeKeyUnit(fptr,keyname,unit) writes a physical units string into an existing keyword. fptr is created using the fits.createFile function. keyname and unit are specified as character vectors.

This function corresponds to the fits_write_key_unit (ffpunt) function in the CFITSIO library C API.

Examples

import matlab.io.*
fptr = fits.createFile('myFitsFile.fits');
fits.createImg(fptr,'long_img',[10 20]);
fits.writeKey(fptr,'VELOCITY',12.3,'orbital speed');
fits.writeKeyUnit(fptr,'VELOCITY','km/s');
fits.closeFile(fptr);

See Also

readKeyUnit