[gmx-users] High quality movies, bmp frames and videomach=poor quality

XAvier Periole x.periole at rug.nl
Tue Apr 20 21:20:24 CEST 2010

mencoder is pretty good but I do not guaranty the size!

mencoder "mf://file-????.tga" -mf fps=16:type=tga -ovc lavc -lavcopts  
vcodec=mjpeg -oac copy -o movie.avi

On Apr 20, 2010, at 8:36 PM, Jennifer Williams wrote:

> Hi,
> I am using tachyon to get high quality still pictures by generating  
> a .dat file, changing the render numbers and then typing this  
> command in the window
> "N:/myhome/VMD1.8.7/tachyon_WIN32.exe" -aasamples 12 plot01.dat - 
> format -o plot01.tga
> This gives great images but now I am stuck on generating movies as I  
> don?t seem to have much choice when using the movie-maker and am  
> clueless at scripting. I need a movie file in .mpg or .avi for  
> submission to a journal (and not bigger than 10MB).
> Whenever I choose tachyon as the renderer within the movie maker I  
> get frames generated in .dat which I can?t do anything with and when  
> I use tachyon internal the files are automatically written in .bmp.  
> I can?t seem to get my frames in targa or any format other than .bmp.
> Is there a script command which could give me high quality snapshots  
> in .tga?
> If I continue with my frames in .bmp and generate a movie in  
> videomach the image quality is very poor (I do this via preview  
> movie and select the highest quality (fast 400x400). TO avoid this I  
> have been using convert in unix to stick frames together but this  
> won't give me a mpg or avi file!
> Can anyone give me some advice or a script line similar to the one  
> above which would work on a whole trajectory rather than a single  
> frame?.
> Thanks
> Jenny
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