Issue with contextual alternates



I'm currently working on a type project that requires some opentype knowledge that I lack.

I would like to create a font that use contextual alternates to swap glyphs based on there occurence in the text.

Therefore the font would have to "count" the number of time a letter appear in the text and switch it if need be.
For exemple I'd like to be able to set an opentype feature that would swap the 25th "a" and 3rd "b" of the text with an alternative "a'' and "b". I'd like the font to be able to evolve depending on the content used and select additional letters based on the number of time that letter was used.

Is there a way to do something like that ?

I'm fairly new to font creation and open type features but I have some basic knowledge of Glyphs and Robotfont.

Exchange characters by random (opentype)


Dear Forum
this is my first post here!

I have a little question: I’m currently creating a font which contains 3 different widths for each character.
Imagine condensed, normal, extended.

Is it, and how, possible to let the typeface itself change, or say randomly pick, one of these 3 possible widths while i’m typing it in inDesign? In heard that some handwriting typefaces apply such glyph-exchange-techniques to not let the typeface appear to stiff in a larger text.

Any help or further reading is very much appreciated!
best wishes

MeM — an interactive type system with a wide range of individual personalities


Sometimes a surprise, sometimes as expected – MeM is an interactive type system with a wide range of individual personalities.

The eccentric experimental type system created by Elena Schädel and Jakob Runge in 2012. It produces many personalities, each individual and emotive. You will never know which of the alternating letters is going to occur next. Basically, at the heart of it all is MeM: four different weights and letter shapes melded together into one powerful font and shuffled with the sleek usability of OpenType.

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