digi­con­figs – Writ­ing "con­fig­u­ra­tions"

In Stochas­tic Geom­e­try and Dig­i­tal Image Anal­y­sis some prob­lems can be solved in terms of so-called “con­fig­u­ra­tions”. A con­fig­u­ra­tion is ba­si­cally a square ma­trix of \circ and \bul­let sym­bols. This pack­age pro­vides a con­ve­nient and com­pact mech­a­nism for dis­play­ing these con­fig­u­ra­tions.