Use TikZ's method of remembering a position on a page.
The tikzmark package defines a command to “remember” a position on a page for later (or earlier) use, primarily (but not exclusively) with TikZ.
The author is Andrew Stacey. The package is Copyright © 2011 Andrew Stacey.
License: lppl1.3 Version: 1.0 Catalogued: 2014-02-26
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Visit Dante:/graphics/pgf/contrib/tikzmark
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Documentation
Package documentation: tikzmark.pdf.
Distributions
This package is included in MikTeX.