Further reading

The following sections in the TikZ manual at https://texdoc.org/pkg/tikz are the reference for the commands, syntax, and libraries used in this chapter:

• Part VII, Section 88, Repeating Things: The Foreach Statement, gives all formal details of the \foreach command and its syntax. You can also find it at https://tikz.dev/pgffor.
• Part III, Section 13.5, Coordinate Calculations, is the reference for the calc library. The direct online link is https://tikz.dev/tikz-coordinates#sec-13.5.
• Part III, Section 13.3, Coordinates at Intersections, explains working with path intersections and is available online at https://tikz.dev/tikz-coordinates#sec-13.3.

As you already know, the TikZ galleries contain many examples relevant to this chapter. You can visit the following:

• https://texample.net/tikz/examples/feature/foreach
• https://tikz.net/tag/foreach
• https://texample.net/tikz/examples/feature/coordinate-calculations
• https://tikz.net/tag...