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<b>Warning</b>:  session_start(): open(/var/lib/php/sessions/sess_7bdbbma9b32lj8g8qrnv41ar7h, O_RDWR) failed: No space left on device (28) in <b>/var/www/tb-usercake/models/config.php</b> on line <b>51</b><br />
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<b>Warning</b>:  session_start(): Failed to read session data: files (path: /var/lib/php/sessions) in <b>/var/www/tb-usercake/models/config.php</b> on line <b>51</b><br />
static Web calToWeb(CirclesAndLines cal) {
  new Web web;
  web.useCLParse = false;
  web.title = cal.title;
  new HashMap<Circle, WebNode> map;
  for (Circle c : cal.circles) {
    WebNode node = web.newNode(c.text);
    copyFields(c, node, 'x, 'y);
    map.put(c, node);
  }
  for (Line l : cal.lines) {
    WebNode rel = web.getRelation(assertNotNull(map.get(l.a)), assertNotNull(map.get(l.b)));
    rel.addLabel(l.text);
  }
  ret web;
}