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Re: Write array as QuickTime

  • To: mathgroup at
  • Subject: [mg16885] Re: Write array as QuickTime
  • From: Jens-Peer Kuska <v-jkuska>
  • Date: Mon, 5 Apr 1999 02:24:23 -0400
  • Organization: Wolfram Research, Inc.
  • References: <7e1bel$>
  • Sender: owner-wri-mathgroup at


I can't help You with QuickTime but there is the free TIFFlib used
by Image Magic and XV. If your MoviePlayer supports Portable Network Graphics
than my PNG package

can write RasterArrays[] directly with out any


Andrew Watson wrote:
> I would like to write a 3D array of numbers (range: 0-255) to a QuickTime
> file as a grayscale movie.
> My current approach is:
> 1) write out each frame as a PGM file using my own PGMWrite function.
> 2) convert each PGM frame to TIFF using GraphicConverter (shareware).
> 3) read all TIFF frames into a movie using MoviePlayer (a QuickTime
> application).
> Any shortcuts here would help. For example, a mma program to directly write
> TIFF files.
> Note that the Display function will not help as it first renders the array
> as a graphic, with various undocumented transformations (scale, grayscale).
> I want the movie to have exactly the number of pixels as there area values
> in my array, and with the exact same graylevels. My current procedure,
> though clumsy, achieves this.
> Regards,
> Andrew B. Watson
> MS 262-2
> NASA Ames Research Center
> Moffett Field, CA 94035-1000
> (650) 604-5419  (650) 604-0255 fax
> abwatson at

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