Place-String-Circle names a function, with lambda list (RADIUS X-CENTER Z-CENTER SEGMENTS):
Defines a place-string for a circle of RADIUS centered at X-CENTER, Z-CENTER with SEGMENTS precision.
An n-sided (SEGMENTS-sided) regular polygon approximating a circle will be created at (X-CENTER, Z-CENTER) and returned as the path segments string used by the client; i.e. a list of the form x,y,z~x,y,z~x,y,z with ~ delimiters between coördinate lists joined by ,.
Defined in file src/items.lisp.