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rewriteDirectory

Write modified metadata to existing IFD

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Syntax

rewriteDirectory(t)

Description

rewriteDirectory(t) writes modified metadata (tag) data to an existing directory. Use this function when you want to change the value of a tag in an existing image file directory.

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Examples

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Open Live Script

Create image data, write it to a TIFF file, and modify the value of a tag.

Write a sample TIFF file, mytif.tif and create a Tiff object associated with this file.

imdata = peaks(256);
imwrite(imdata,'mytif.tif');
t = Tiff('mytif.tif','r+');

Modify the value of a tag. 

setTag(t,'Software','MATLAB');
rewriteDirectory(t);
close(t);

Input Arguments

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Tiff object representing a TIFF file. Use the Tiff function to create the object.

Algorithms

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References

This function corresponds to the TIFFRewriteDirectory function in the LibTIFF C API. To use this function, you must be familiar with the TIFF specification and technical notes. View this documentation at LibTIFF - TIFF Library and Utilities.

Version History

Introduced in R2009b

See Also

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