| Re: IDL on-line help on VT200 [message #281] |
Sun, 01 March 1992 16:16 |
thompson
Messages: 584
Registered: August 1991
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Senior Member |
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In article <9203010412.AA27199@dip.eecs.umich.edu>, pan@ZIP.EECS.UMICH.EDU
writes...
> I noticed that the old idl version can let a user type "help function
> sin" to get the on-line help for "sin"; however, the x-window version
> does not allow that and would simply respond with "can not open X-window
> display". Can any one tell me how to fix this problem?
I believe you mean "? function sin", which in version 2 would have to read "?
routine sin". In order for this to work on a non-X-windows terminal, you would
have to select a different graphics device than X, e.g. "set_plot,'regis'" or
"set_plot,'tek'".
There are some instances when one might have access to X-windows, but for some
reason the widgets portion of IDL does not work. This typically occurs when
running IDL on one computer but using the X-windows display of another
computer, and there is some level of incompatibility between the two computers
(fonts not installed, bad network transport, etc.). In this case, substitute
the command MP_BASIC for the "?" above.
Bill Thompson
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