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8.0 name conflict
| 8.0 name conflict [message #72091] |
Wed, 11 August 2010 19:34 |
wlandsman
Messages: 743
Registered: June 2000
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Senior Member |
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There is a popular procedure legend.pro in the IDL Astronomy library
( http://idlastro.gsfc.nasa.gov/ftp/pro/plot/legend.pro ) for putting
a legend on a direct graphics plot. IDL 8.0 has a *function*
LEGEND() for placing a legend on a PLOT(). While there is no
conflict between a user procedure and an *intrinsic* function with the
same name, in this case the ITTVIS function LEGEND() is written in
IDL. So which ever gets compiled first prevents the other
legend.pro from being compiled.
If I put the standard IDL library at the beginning of the !PATH then I
can't call the direct graphics LEGEND.
IDL> legend
% Compiled module: LEGEND.
% Attempt to call undefined procedure/function: 'LEGEND'.
But if I put the Astron Library ahead in the !PATH then I can't call
LEGEND()
IDL> l = legend(TARGET=[p1,p2], POSITION=[140,0.9], /DATA)
% Compiled module: LEGEND.
% Attempt to call undefined procedure/function: 'LEGEND'.
--Wayne
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