Parallel I/O: Display

• How can one display from more than one node?
• Use an xview object.
• Add an index field to the displayed elements.
• Use the ICOORDS and IVAL1 ... IVAL5 messages instead of the COORDS and VAL1 .. VAL5 messages:
  • raddmsg /src_elems /xview_elem@0 \
    ICOORDS io_index_field x y z
• raddmsg /src_elems /xview_elem@0 \
  IVAL1 io_index_field Vm

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