Author Topic: Max number of subs for image integration?  (Read 2760 times)

Offline andyc67

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Max number of subs for image integration?
« on: 2015 August 14 10:28:09 »
Is there a max number of frames for image integration?
If so what is it?

Thanks!
Andy

Offline chrisvdberge

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Re: Max number of subs for image integration?
« Reply #1 on: 2015 August 14 10:53:39 »
I would think not. The only thing you will run into is the limitations of your computer ;)
I've been stacking 200+ images in one integration run for instance, but that took something like 6 hours to complete

Offline Carlos Milovic

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Re: Max number of subs for image integration?
« Reply #2 on: 2015 August 14 11:55:35 »
It depends on the Operating System.

Se here for an explanation, workarounds, etc:
http://pixinsight.com/forum/index.php?topic=6881.msg55916#msg55916
Regards,

Carlos Milovic F.
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PixInsight Project Developer
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Offline Juan Conejero

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Re: Max number of subs for image integration?
« Reply #3 on: 2015 August 15 01:51:33 »
Is there a max number of frames for image integration?

The ImageIntegration tool has no specific limit. The only practical limit is the maximum number of simultaneous open files allowed by the operating system:

Linux and FreeBSD: The default limit is 1024 files, but it can be increased very easily with the ulimit command. Non-privileged users typically can increase the limit up to 2048 files. With root privileges the limit can be set to any number with ulimit.

Windows: The maximum number of open files is 2048. This limit cannot be increased, and most likely Windows will impose a lower limit under the hood.

OS X: The default limit is 256 open files. The ulimit command does not work. Recently a user has found a solution on OS X 10.10 that involves creating a system daemon script.
Juan Conejero
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Offline andyc67

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Re: Max number of subs for image integration?
« Reply #4 on: 2015 August 19 13:02:23 »
Thanks! I use OS X that explains it.
I will try the workaround. I have been stacking the files in batches then stacked the resulting partial stacks.
Thanks for the great info!

Andy