code: def TriangleCollection(mode="raw", *args, **kwargs):
      """
      mode: string
        - "raw"  (speed: fastest, size: small,   output: ugly)
        - "agg"  (speed: fast,    size: small,   output: beautiful)
      """
      return RawTriangleCollection(*args, **kwargs)
  
label_desc: Use image node_id 1 for calling a global function with example usage: TriangleCollection(mode) and returns: RawTriangleCollection