| help with future application [message #20781] |
Wed, 26 July 2000 00:00  |
Peter Brooker
Messages: 28
Registered: July 1999
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Junior Member |
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We are presently considering how to handle simulation requirements for
future technologies. (Present technologies are handled well by
commercial codes). As such, we have access to various internal and
universitity codes of which we have the source code. These codes are in
C and FORTRAN. The problem is that we have to link these codes together
and add GUIs to every thing to make them more user friendly. Also, once
a new model appears in the literature, we want to code this up as fast
as possible to try this out.
I see that IDL could be used to do this. For example, IDL could handle
all the input and output with GUIs as well as using CALL_EXTERNAL to
execute subroutine forms of all the codes. If IDL is used, then new
models could be programmed up very quickly.
The question is though, Is IDL the best choice for this linking
application? What about MATLAB? How do the Numerics of matrix inversion
of MATLAB compare to IDL?
thanks-Peter Brooker
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| Re: help with future application [message #20873 is a reply to message #20781] |
Thu, 27 July 2000 00:00  |
Mark Hadfield
Messages: 783
Registered: May 1995
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Senior Member |
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"Phillip David" <phillip_david@xontech.com> wrote in message
news:397F4604.B0F7025E@xontech.com...
> Peter Brooker wrote:
>>
>> We are presently considering how to handle simulation requirements for
>> future technologies. (Present technologies are handled well by
>> commercial codes). As such, we have access to various internal and
>> university codes of which we have the source code. These codes are in
>> C and FORTRAN. The problem is that we have to link these codes together
>> and add GUIs to every thing to make them more user friendly. Also, once
>> a new model appears in the literature, we want to code this up as fast
>> as possible to try this out.
> Peter;
>
> In fact, if the primary thing you're looking to do is to code up a GUI,
> you might want to check out TCL (Tool Command Language). It's a
> powerful language if that's all you're trying to do. I haven't used it
> myself, but know of a number of successful projects that use this
> approach, and can work quickly to get the GUI up and running.
Another possibility in the same vein is Python:
http://www.python.org/
Like TCL and Perl, it is oriented towards scripting and rapid application
development but (as far as I can tell) the base language is more elegant &
scalable. There is a package called Numeric Python that makes numeric
calculation in Python feasible:
http://numpy.sourceforge.net/
I have used Python for a few small text-processing utilities & have
considered it as an alternative to IDL (as a language it's *much* nicer) but
it doesn't have the history of application to numerics and graphics that IDL
has. However I think it would be very well suited to tying together modules
written in C and Fortran, and I believe it is being used for this at
Lawrence Livermore. The current maintainer for Numeric Python is Paul
Dubois. He writes a regular column in Computers in Physics and has covered
Python in the past.
---
Mark Hadfield
m.hadfield@niwa.cri.nz http://katipo.niwa.cri.nz/~hadfield/
National Institute for Water and Atmospheric Research
PO Box 14-901, Wellington, New Zealand
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| Re: help with future application [message #20875 is a reply to message #20781] |
Wed, 26 July 2000 00:00 |
Craig Markwardt
Messages: 1869
Registered: November 1996
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Senior Member |
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"Mark Hadfield" <m.hadfield@niwa.cri.nz> writes:
>
> Another possibility in the same vein is Python:
>
In addition to Mark's great comments recommending Python, I believe
there is a separate piece of software called SWIG, which enables easy
(and automatic) interfacing between compiled libraries and Python
(perhaps Perl too). It is essentially a code generator which creates
the interface stub code for you.
Craig
--
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Craig B. Markwardt, Ph.D. EMAIL: craigmnet@cow.physics.wisc.edu
Astrophysics, IDL, Finance, Derivatives | Remove "net" for better response
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