Re: st: Video from multiple graph exports

[David Airey <david.airey@Vanderbilt.Edu>]

I think ImageJ from NIH (National Institutes of Health) will make  
movies from stacks.

http://rsbweb.nih.gov/ij/

But there are probably many other choices.

-Dave

On Dec 3, 2008, at 3:13 PM, Michael Hanson wrote:

> Dan:
>
> I have done something like this for several presentations --  
> although I typically prefer to use a remote to step through the  
> "movie frames" rather than automate the transitions.  That way I can  
> stop and comment on certain slides (the audience sees it as  
> "freezing" the animation), or go back to a specific slide to answer  
> questions.
>
> The caveat, given the details you have provided in your message:  my  
> process requires a Macintosh.  Specifically, it requires use of  
> Keynote, Apple's presentation software available only for Mac OS X.
>
> Briefly, in three steps (though I am happy to provide details if  
> requested):
> 1. Export the Stata graphs as PDF format.  (A feature only available  
> in the Mac version, I believe.)
> 2. Place PDFs of graphs into individual slides in Keynote.
> 3. Add automatic timed transitions and effects as needed.  You can  
> set transition times on a per-slide basis, as you inquired.
>
> This whole process is very easy with Keynote, as it provides fine  
> controls for aligning the graphs and professional transitions  
> between slides.  Plus, since everything is done with PDF, you don't  
> get those "jaggies" (i.e. pixelation) that often afflict graphics in  
> PowerPoint.  Additionally, with Keynote you can export your  
> presentation to QuickTime (.mov) or Flash (.swf) formats as a self- 
> running, cross-platform file if desired.
>
> I suspect one could use LaTeX-based presentation tools (beamer?  
> powerdot? prosper?) to accomplish the same thing, albeit with (much)  
> more effort.
>
> Hope this helps,
> Mike
>
>
> On Dec 3, 2008, at 2:49 PM, Dan Weitzenfeld wrote:
>
> > Hi Folks,
> > I'm considering making a movie using multiple Stata graphs, exported.
> > E.g., for t=0,1,...n, graphing the data at each t, and then using a
> > slide-show program to stack the graphs in time order, creating a
> > "movie" illustrating how the data changes over time.
> > My questions:
> >
> > 1.  Has anyone does this before, and if so, do you have
> > recommendations for the most flexible slide-show program?
> > Specifically, I'm wondering if there is a program that will allow for
> > variable intervals between slides (e.g., t=0, 1.5, 2, 2.2,....)
> >
> > 2.  Is there a way to overlay a Stata graph on top of a .jpg file?
> > I've been doing this manually, using -spmap- to plot my
> > location-oriented data, exporting graphs as .emf/.wmf, ungrouping the
> > result in PowerPoint and aligning the .jpg overlay.
> >
> > 3.  Am I trying to use Stata to do something it's not suited for?  I
> > know JMP can play movies from data, but I don't think the movies can
> > be exported, and, well, I'm partial to Stata.
> >
> > Thanks in advance,
> > -Dan
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