Hi guys,
I find there is no hide porperty for symbol. So how to hide symbol with IDL 8.2.3? Very thanks.
IDL> capitals = SYMBOL( lon, lat, 'Star', /DATA, $
IDL> /SYM_FILLED, SYM_COLOR='red', SYM_SIZE = 2, $
IDL> LABEL_STRING=labels )
IDL> capitals.hide = 1
% SYMBOL: Unknown property: HIDE
% Execution halted at: $MAIN$
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