| Re: help with cgDrawVectors in write_gif procedure [message #91117 is a reply to message #91116] |
Fri, 05 June 2015 07:45   |
David Fanning
Messages: 11724
Registered: August 2001
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Senior Member |
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g.nacarts@gmail.com writes:
>
> I will use an app to create an animated gif is much easier at the end.
>
> I have a problem with the cgSnapshot. I wanted to create different folders each time for different level and iteration. At first I saved everything in one folder but it was too messy (Vectors(i,level,iter)).
>
> 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
> void = cgSnapshot(/tif, Filename = 'C:\Users\Desktop\FOLDER\Vectors('+string(i)+','+string(leve l)+','+strtrim(iter)+')', /NoDialog)
> endfor
>
> I wanted to save all the time points (i) for each level and iter respectively in a separate folder.
>
> void = cgSnapshot(/JPEG, Filename='C:\Users\Desktop\FOLDER\Vector_Folder('+string(lev el)+','+strtrim(iter)+')\Vectors('+string(i)+')', /NoDialog)
>
> I got this error:"Error opening file".
> Is that necessary to create the folders in advanced? They cannot be create during the process?
>
> Because before I did something like that but not with the cgsnapshot
Given the history of this discussion, I think I might suspect programmer
error before I blamed cgSnapshot. I've never tried to tell it to open a
file in a location that didn't exist, so I'm not sure what it would do.
I'm pretty sure if someone asked me to do the same, I would complain.
:-)
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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