Is there a way in MATLAB 7.10 (R2010a) to find out if the "Tag" for a TIFF file is empty?

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Prabhakar
Prabhakar 2011-1-18
I am using the getTag function in the Tiff class to query the "Tag" field. The function works fine. But if the Tag is empty, my code terminates with an error. I want to know if there is a way to find out if the field is empty, and if it is not, then query its contents.

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Adity
Adity 2011-1-18
There is no direct way to use the Tiff object to query whether the Tag field is present or not. This is because the Tiff object is really just a thin wrapper around the libtiff library, which does not offer a function for inquiring as to whether a tag is present. One finds out only by asking for the value, and this means one would have to use try/catch with getTag on the Tiff object.

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