I want to automatically generated hundreds of figures with matplotlib.
For each figure, I could use 'plot(Xi)' and 'show()' to draw the figure,
and press the 'save' button in the figure panel, but this is not too
automatically. Although I could use 'savefig()' to save the figures
rather than using 'show()' to show it, and this makes whole program
fully automatically, I don't know howto set the figure size before
'save' it (e.g. set size to 3000x1000pixel). The function 'savefig()'
doesn't have any option to set figure size. So which function should I
go to? or what should I do before using 'savefig()'?
You have two options. savefig does have a dpi option that will
essentially set the figure size for the saved file:
savefig('myfile.png',dpi=300)
play with dpi until you get a figure size you like.
The other way to set the figure size is to specify it when you create
the figure:
figure(1,(10,8))
would create a fairly large figure. The figure (1 in this case) must
not already exist or at least it can't be shown on your screen
already. By that I mean if you have already called figure(1)
previously in your code, you must close it before you try to call
figure(1,(10,8)) or the figure size won't be affected.
Ryan
ยทยทยท
On 11/6/06, Chuang <chuangwoo@...287...> wrote:
Hi there,
I want to automatically generated hundreds of figures with matplotlib.
For each figure, I could use 'plot(Xi)' and 'show()' to draw the figure,
and press the 'save' button in the figure panel, but this is not too
automatically. Although I could use 'savefig()' to save the figures
rather than using 'show()' to show it, and this makes whole program
fully automatically, I don't know howto set the figure size before
'save' it (e.g. set size to 3000x1000pixel). The function 'savefig()'
doesn't have any option to set figure size. So which function should I
go to? or what should I do before using 'savefig()'?
Thanks a lot,
CC
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