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| Re: how to stop erase graph? [message #43665 is a reply to message #43664] |
Tue, 19 April 2005 08:40  |
Benjamin Hornberger
Messages: 258
Registered: March 2004
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Senior Member |
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Edd wrote:
> lixiaoyao <lixiaoyao5880@yahoo.com> wrote:
>
>> Hello
>> I use IDL in linux,when I draw a graph and some screen shade the IDL
>> screen,after I remove the shell screen,the graph in IDL screen just
>> disappear,how
>> to stop this ?
>
>
> DEVICE,RETAIN=2
>
> if I recall correctly
You might want to include this line into your IDL startup file.
You might also want to get a good book on IDL :-). I can recommend both
David Fanning's and Liam Gumley's.
There is also a free IDL tutorial at
http://www.mpimet.mpg.de/en/misc/software/idl/
at the bottom of the page (mgs_script.pdf).
Benjamin
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