From octave-graphics-request at bevo dot che dot wisc dot edu Fri Nov  1 13:26:14 2002
Subject: RE: Graphical flow DIAGRAMME editor for Octave?
From: "Julian DeMarchi" <jdemarchi at nuvera dot com>
To: "Matti h" <koctave at hotmail dot com>, <octave-graphics@bevo.che.wisc.edu>
Date: Fri, 1 Nov 2002 14:26:02 -0500

I personally believe the best tack to take foot on as a basis for modeling multidisciplinary dynamic systems using a graphical interface would be via Bond Graphs (cf. http://www.rt.el.utwente.nl/bnk/papers/BondGraphsV2.pdf).

Without going into detail or advertisement, Bond Graphs essentially provide a compact, direct method for converting graphically-depicted, vector-based, physical systems into their algebraic equivalent.  They appear to be more efficient and adaptable to this specific purpose than any other depiction I have come across.  What's nice about this is that it should be possible to use Bond Graphs as a foundation upon which to easily support other kinds of depiction, including Mason, Block, Signal Flow, and other sorts of "physical system"/"information flow" diagrammes, which are the sorts of things most people seem to use Simulink for.  Because they are efficient, there's a chance such a tool would be more suited (and hence optimised) to these purposes than Simulink already is.

I'd be very interested in anything anyone has to add to this discussion.

- Julian

-----Original Message-----
From: Matti h [mailto:koctave at hotmail dot com]
Sent: Friday, November 01, 2002 12:57 PM
To: octave-graphics at bevo dot che dot wisc dot edu
Subject: RE: Graphical flow DIAGRAMME editor for Octave?


Yes, actually I was thinking of something like that ..
but Im not sure how/where to start, perhaps some kind of translator
from "objects" to equations first ?, perhaps using some existing source to 
do
the graphics, like kuml eller klogic, they both have the concept of graphic 
objects
wich can be saved in a textformat, that way one could start with the 
translator
from the textfile to equations... and thats probably one of my problems, Im 
not a expert user on translating models that way.. Im a undergraduate 
student so all my experince this far is with controlsystems and simulink.
But It would be very interesting to do something like that.


>From: "Julian DeMarchi" <jdemarchi at nuvera dot com>
>To: "Julian DeMarchi" <jdemarchi at nuvera dot com>,   "Yan Weng" 
><yweng at cs dot uoregon dot edu>, <octave-graphics@bevo.che.wisc.edu>
>Subject: RE: Graphical flow DIAGRAMME editor for Octave?
>Date: Thu, 31 Oct 2002 10:25:47 -0500
>
>oops
>
>-----Original Message-----
>From: Julian DeMarchi
>Sent: Thursday, October 31, 2002 10:21 AM
>To: Yan Weng; octave-graphics at bevo dot che dot wisc dot edu
>Subject: Graphical flow giagramme editor for Octave?
>
>
>great!  Now, who wants to emulate a graphical editor like Simulink?  If you 
>have any leads in this direction, please let me know, it's something I'd 
>love to work on.
>
>=)
>Just keeping the sights set high from my armchair over here
>
>- Julian
>
>-----Original Message-----
>From: Yan Weng [mailto:yweng at cs dot uoregon dot edu]
>Sent: Wednesday, October 30, 2002 4:15 PM
>To: octave-graphics at bevo dot che dot wisc dot edu
>Subject: Re: New gui for KDE
>
>
>Greate work!!
>
>As I have mentioned before, I hope the IDE can run under windows, too. Some
>pure windows user also need this kind of IDE for Octave. If your IDE is
>purely written by QT, it will be great. As I know, QT is free for non
>commercial usage under windows.
>
>Best regards,
>
>Yan
>
>----- Original Message -----
>From: "Matti h" <koctave at hotmail dot com>
>To: <octave-graphics at bevo dot che dot wisc dot edu>;
><info-octave-request at bevo dot che dot wisc dot edu>;
><help-octave-request at bevo dot che dot wisc dot edu>
>Sent: Wednesday, October 30, 2002 5:42 AM
>Subject: New gui for KDE
>
>
> > Not sure if my first message arrived.
> > So Im making the announcement again,
> > Ive made a KDE gui for Octave, it features a editor w syntax 
>highlighning
>a
> > help browser and the octave command prompt.
> > It looks a bit like the Matlab GUI.
> > You can find it at:
> >
> > http://arcus.mine.nu/kde/koctave
> >
> > hope you enjoy it :)
> >
> > Regards Matias
> >
> > _________________________________________________________________
> > Surf the Web without missing calls! Get MSN Broadband.
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