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From: | Roberto Hernandez |
Subject: | Re: Fwd: Re: Compilation problem / octave-2.0.16 / movie / mpeg question |
Date: | Thu, 21 Feb 2002 11:16:02 -0300 |
User-agent: | Mozilla/5.0 (X11; U; Linux i686; en-US; rv:0.9.8) Gecko/20020205 |
SA wrote:
Dear Octave Help, I have 2 questions- (2) Is there any movie / animation facility in octave? If not has anyone made any attempt to do this or are there any alternatives--- Would a octave->gnuplot->framestore->imagemagik->mpeg movie approach be sensible and could I code this via an octave mfile without delving into the octave source? Is there a way of sucking a bitmap back from a gnuplot window and displaying it from octave in a sensible way (ie could I use this to provide the equivalent of M(i)=getframe to build a movie?).
If you use PLplot (http://plplot.sourceforge.net) instead of GNUPlot there is an animation feature. Besides that there are quite a few other advantages, such as more plotting functions, added speed, etc.
ps I have some general questions-- how active is octave development, of the free matlab interpreters is octave <active / likely to continue> or <inactive / likely to be upsurped by scilab or something else> ?
I wouldn't really think of Octave as a "free matlab interpreter". It is an independent numerical computation tool. Being mostly matlab-compatible is _ONE_ of its features. You might want to read "Octave: Past, Present and Future" (http://www.che.wisc.edu/jbr-group/tech-reports/twmcc-2001-03.pdf)
IMHO Octave is one of the best open-source numerical tools out there. As far as I can tell (and this involves no formal research) the three largest open-source numerical computation projects are: Octave, Scilab and TELA. Hammersmith-Consulting used to have a nice summary of the three, but unfortunately they closed down and that's no longer available online.
BTW, these are open-source projects with _VOLUNTEER_ developers, so I don't think the practice of "usurpation" is likely. That seems like something that would happen if Matlab were to pose a threat to Microsoft.
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