[GRASS-dev] Re: Nviz animation wish

[Agustin Diez Castillo]

Michael I second you wish, for me is almost a dream.
Have been somebody able to run xganim in a Mac? I've tried in several
occasions to compile it with no success at all.
Agustin

> Michael - there is a file sequencing tool for that in nviz - I have  
> been doing it for years (I also
> had some of it at your workshop), just check my website.
> My slides for the lausanne workshop should have a description how to  
> do it along
> with a sample data set. I need to run now but I can write you more  
> later.
> It may be broken in the latest CVS but it worked well in 6.1
> 
> It does not replace xganim - that is a module that is really needed  
> when you
> are working with time series because it allows to browse through the  
> series
> of data quickly and animate them and always use to to prepare the series
> for nviz animation (check whether they animate smoothly etc.).
> 
> Glynn has written a tcltk version of xganim - I still have it my list  
> of things to try out
> but I did not get to it. so check with him.
> 
> Helena
> 
> Helena Mitasova
> Dept. of Marine, Earth and Atm. Sciences
> 1125 Jordan Hall, NCSU Box 8208,
> Raleigh NC 27695
> http://skagit.meas.ncsu.edu/~helena/
> 
> 
> 
> On Jan 25, 2007, at 12:53 AM, Michael Barton wrote:
> 
> > Bob and Helena
> >
> > I’m not sure where xganim went, but it no longer compiles by  
> > default on  my Mac. It was pretty klunky, but it served a  
> > potentially important role that I miss. I wonder if something like  
> > it’s functionality could be incorporated into one of the nviz  
> > animation modules. That is, currently, the animation modules (or at  
> > least the one that works well) let you interpolate to create key- 
> > frame animations of different view positions. The result can be  
> > like a fly-through or similar display.
> >
> > It would be nice if you could interpolate to animate a change in  
> > surface color maps, or even a change in surface maps. That is, if  
> > you could select (as xganim did) a series of color maps and have  
> > NVIZ smoothly interpolate through them to simulate such things as  
> > vegetation change. Even more interesting (and close to my own  
> > heart) would be to select a series of surface maps to interpolate  
> > and animate. This could display surface change.
> >
> > I could do this with normal maps and TclTk in the 2D display, but  
> > it might be slow (though maybe a way to get around that by pre- 
> > rendering). It would be really neat to do this in NVIZ however.
> >
> > I looked at the animation code and it looks like it calls a C  
> > (Togl?) command: “Ndo_framestep”. Does this command take a color  
> > value or just a positional value?
> >
> > Just musing after attending a 3-day workshop on modeling.
> >
> > Michael
> > __________________________________________
> > Michael Barton, Professor of Anthropology
> > School of Human Evolution & Social Change
> > Center for Social Dynamics & Complexity
> > Arizona State University
> >
> > phone:
> > fax:
> > www: http://www.public.asu.edu/~cmbarton
> >
> 
> 
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> 
> 


--
******************************************************
Dr. Agustín Diez Castillo
Departament de Prehistòria i Arqueologia
Universitat de València    Phone:  
Avda. Blasco Ibañez, 28   Fax:     
València 46010
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