Jairo A. del Rio schrieb am 06.04.2020 um 15:58:

Well, I'll be more specific. I attach a zip file showing a minimal example of what I achieved so far and its output (labelled "Works") and what I actually want, but does not work (labelled "Doesnotwork"). I've tried different commands and combinations, all of them useless. As a side note, I'm porting some TikZ functions. Although it is not recommended in ConTeXt, some of them are really necessary to me.

You use dofile(...) in your environment and Lua files but this doesn't work when you load files which aren't in the current directory or in your TeX installation. Wolfgang