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1
Q: 

calculate the distance between the place where I am taking photo and the object I am taking.

I can get the latitude and longitude where I am taking photo. I can also get the Exif information of the photo I took.

I want to know how can I calculate the distance between the place I am taking photo and the object I am taking by above informations?

give me some constructive opinions. thanks very much.

A: 

You may get lucky with the SubjectDistance exif tag. Note that not all cameras set this tag.

Ozgur Ozcitak  2010-06-19 09:52:52

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