How to get the aspect ratio of an image programmatically – tex.stackexchange.com

How to get the aspect ratio of an image programmatically – tex.stackexchange.com

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How can I get the aspect ratio of an image and store it in a pgf macro for further calculations? For example: \documentclass{article} \usepackage{graphicx} \usepackage{tikz} \begin{document} ...

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