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jcupitt avatar jcupitt commented on June 16, 2024

Hello @strangerism,

Yes, libvips keeps a cache of recent operations and returns old results if you repeat a call. This is usually a good thing, but in your case it's obviously not what you want.

You have a couple of choices:

  1. Disable the cache. You can use pyvips.cache_set_max() to set the number of cached operations. Set it to zero to disable the caching system.
  2. Use access="sequential". You could ask for the image to be streamed. You won't be able to reuse pixels, but the image won't be cached.

from pyvips.

strangerism avatar strangerism commented on June 16, 2024

@jcupitt Thank you for the quick reply. Indeed, I have used access options and it works as I need it now.

I am closing this issue.

best wishes.

from pyvips.

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