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Re: Save big plots into any file [message #92279 is a reply to message #92277]

Tue, 10 November 2015 07:12

Phillip Bitzer
Messages: 223
Registered: June 2006

Senior Member

On Monday, November 9, 2015 at 8:52:07 PM UTC-6, luc...@gmail.com wrote:
> Hello all
> I have a plotting routine that take 6 different files and plots them in an multigraphic window. Each plot have at least 10^6 points.

Certainly, you can test this, outside of your current, mulitgraphic workflow to try to answer the question:

p= PLOT(RANDOMN(1L, 1000000), layout=[1, 2, 1])
p2= PLOT(RANDOMN(1L, 1000000), layout=[1, 2, 2], /CURR)
tic
;p.symbol=4
p.save, 'test.png'
toc

For me, this took 60 seconds. If I actually plot the points (by adding p.symbol=4), then it takes 121 seconds.

You can then try to add plots to see how the time changes:

You can then add a second plot:
p= PLOT(RANDOMN(1L, 1000000), layout=[1, 2, 1])
p2= PLOT(RANDOMN(1L, 1000000), layout=[1, 2, 2], /CURR)
tic
;p.symbol=4 & p2.symbol =4
p.save, 'test.png'
toc

Without plotting the individual points, it takes 55 seconds (?!); plotting each point, it takes 175 seconds.

These simple tests will allow you to figure out where the problem may be, and help answer your questions.

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[Message index]

		Save big plots into any file By: lucesmm on Mon, 09 November 2015 18:51
		Re: Save big plots into any file By: Phillip Bitzer on Tue, 10 November 2015 07:12
		Re: Save big plots into any file By: lucesmm on Tue, 10 November 2015 19:54

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