// if(properties.getStr(Properties.HINT).contains("spring"))
return new SpringGraph(env, properties, (IList) c.get(0), (IList)c.get(1));
// throw new Error("NO hint!");
case SCREEN:
return new Screen(makeChild(env,c,properties,childPropsNext),properties );
/*
case LEFTAXIS:
return new VAxis(((IString) c.get(0)).getValue(),false, makeChild(1,env,c,properties,childPropsNext), properties );
case RIGHTAXIS: