| Re: help with cgDrawVectors in write_gif procedure [message #91095 is a reply to message #91094] |
Wed, 03 June 2015 05:42   |
David Fanning
Messages: 11724
Registered: August 2001
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Senior Member |
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g.nacarts@gmail.com writes:
> I tried the following but I always get the same error: OPENW: Filename argument must be a scalar string: FILE.
>
> for i=0L, n-1 do begin
> cgDisplay, 500, 550
> Image = BYTSCL(Image, min=0.,max=160.)
> cgimage,Reform(Image[i,*,*])
> cgDrawVectors, REFORM(VX[i,*,*]), REFORM(VY[i,*,*]), pos_x, pos_y,VECCOLORS='yellow', /ORDERED, overplot = 1
> write_gif,file, Reform(Image[i,*,*]), /multiple
> endfor
>
> write_gif, file, /close
Perhaps it is easier to just download or use one of the multitude of
free apps that create an animated GIF from individual files.
Cheers,
David
--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.idlcoyote.com/
Sepore ma de ni thue. ("Perhaps thou speakest truth.")
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