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Re: Export["...",...,"GIF"] results in nonreadable gif file

  • To: mathgroup at smc.vnet.net
  • Subject: [mg119342] Re: Export["...",...,"GIF"] results in nonreadable gif file
  • From: "Nasser M. Abbasi" <nma at 12000.org>
  • Date: Tue, 31 May 2011 07:47:21 -0400 (EDT)
  • References: <irvrum$8kr$1@smc.vnet.net>
  • Reply-to: nma at 12000.org

On 5/30/2011 3:36 AM, neuromanthic wrote:
> I've expirienced some problems with exporting images and graphics to
> gif and animated gif's with Export[]. Here are inputs for exporting
> lists of graphics as well as images
>
> In[138]:= Export["E:\\work\\projects\\anim2.gif",
>   Table[Graphics@
>     Raster@Table[
>       k - (i + j), {j, 0, 0.5, 0.05}, {i, 0., 0.5, 0.05}], {k, 0, 1,
>     0.1}], "GIF"]
>
> Out[138]= "E:\\work\\projects\\anim2.gif"
>
> ==========================
>
> In[148]:= Export["E:\\work\\projects\\anim4.gif",
>   Table[Image@
>     Table[k - (i + j), {j, 0, 0.5, 0.05}, {i, 0., 0.5, 0.05}], {k, 0,
>     1, 0.1}], "GIF"]
>
> Out[148]= "E:\\work\\projects\\anim4.gif"
>
> The arguments of exports are evaluated and shown properly, but
> resulting output files are corrupted and unreasoonably small (390
> bytes)
>
> On the other hand selecting an image in frontend and choosing "Save
> Image As..." to save as gif works just fine. However, I need to make
> animated gifs and this trick doesn't help.
>
>
> Is it a bug in GIF converter or what?
> Any advice would be appreciated.
>

try this, it worked for me:

v = Table[Graphics@Raster@Table[
           k - (i + j), {j, 0, 0.5, 0.05}, {i, 0., 0.5, 0.05}],
           {k, 0, 1,0.1}
     ];

Export["anim.gif",a,"DisplayDurations"->.5]

--Nasser


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