[Scilab-users] Exporting graphics as non pink jpg with xinit/xend

[Samuel Gougeon]

Le 19/11/2016 14:22, Jens Simon Strom a écrit :
> Thanks Rafael,
> That /is/ a working solution!  However it introduces further 
> complexity and computation time rises from n to n*n/2. In my project I 
> have hundreds of files to produce an animation,  and the one command 
> 'plot(x,y(j,:));' in the minimal snippet represents about successive 
> 10 plots in my project. I consider to go back to the flawless pdf 
> export and to look for a conversion tool pdf2jpg supporting batch 
> conversions.
.
It will likely be even worse: The increasing computation time is not 
related to the exportation. So, changing the export format won't 
unlikely avoid it. In addition, vectorial exports as PDF can be are 
usually (much) slower than bitmat exports, because they have to produce 
a lot of text instructions to build the file.
What takes time in the minimal sample you provided is to update the same 
plot (BTW, AFAIR this has been reported as a bug for some situtions, and 
may be this is already fixed in Scilab 6. To be confirmed). But there 
are other strategies to do the same without step-by-step updates.
By the way, this sample might be not really representative of what you 
will finally do.
Another strategy is to plot in a once all what must be finally plotted, 
with a single plot() command. Hence, different colors will be ascribed 
to successive curves. Afterwards, it is possible to make components 
appearing step-by-step by using their .visible attribute.

HTH
Samuel Gougeon

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