static SS webToCAL_visMap = synchroMap((Map) caseInsensitiveMap());

static void webToCAL_visStructures(S... structures) {
  for (S s : structures) pcall {
    for (Circle c : cal_unstructure(s).circles)
      if (nempty(c.quickvis) && nempty(c.text))
        webToCAL_visMap.put(c.text, c.quickvis);
  }
}