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### Colored and opaque image background in Beamer with foilhead

Do you really need to use beamerfoils? Why don't you just use standard frames? Things are much better documented then: \documentclass[12pt,xcolor={usenames}]{beamer} \setbeamercovered{transparent} \...
• 32.3k

### How to write one line of text at the bottom of each page in the article document class？

Use fancyhdr to create a page style which could produce such a line at the bottom of each page. \documentclass{article} \usepackage{lipsum} \usepackage{bbding}%for \Phone \usepackage{fancyhdr} \...
• 3,707
1 vote

### How to write one line of text at the bottom of each page in the article document class？

This combines \AddToHook with tikzpagenodes (easy to implement). \documentclass{article} \usepackage{lipsum} \usepackage{bbding}%for \Phone \usepackage{tikzpagenodes} \advance\footskip by \...
• 74k
1 vote

### Draw a spiral on a sphere

The figure is interesting, so I give another simple Asymptote solution. Starting with a spiral, I project on the Oxy plane to get the blue; and project on the sphere to get the red one. Of course, ...
• 16.3k

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