| Named Indices [message #21915] |
Wed, 27 September 2000 00:00  |
Jason P. Meyers
Messages: 24
Registered: September 2000
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Junior Member |
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Hello,
I am brand new to IDL programming. I am using version 5.3.1 on a PC
and started going through some examples from my Digital Image Processing
(DIP) class as well as some from the online manuals and Dave Fanning's
book. I got to wondering if there exists (either built-in or developed
by someone else) a list of named indices. Such a beast would be useful
for specifying things line styles using names instead of numbers.
For example,
PLOT, time, curve, LineStyle=LongDash
makes more sense to me than
PLOT, time, curve, LineStyle=5
One idea I had was to create a structured system variable named !I (for
indices) which then has the various indices as fields. For example:
!I.Solid = 0
!I.Dot = 1
!I.Dash = 2
!I.DashDot = 3
!I.Dash3Dot = 4
!I.LongDash = 5
I couldn't find a reference to such a system variable. Furthermore, I
don't even know if it is possible to create new system variables like
this. Finally, if something like this can be created, I don't want to
reinvent the wheel if it already exists.
Any and all advice is greatly welcomed.
Thanks,
Jason Meyers
Ph.D. Student, Center for Imaging Science
Rochester Institute of Technology
jpm7934@rit.edu
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