Re: NDPluginFile question

[Mark Rivers via Tech-talk <tech-talk at aps.anl.gov>]

Hi Jörn,

What you describe should work.  I have some questions:

• Does your specialized file format support writing more than one image to a file?  Have you set the supportsMultipleArrays class variable appropriately?
• Have you tried using Mode=Single and see if the problem persists?
• Have you tried adding a debugging printf to the closeFile()method of your derived class to see if it is being called?

Mark

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From: Tech-talk <tech-talk-bounces at aps.anl.gov> on behalf of Jörn Dreyer via Tech-talk <tech-talk at aps.anl.gov>
Sent: Tuesday, January 6, 2026 1:34 AM
To: tech-talk at aps.anl.gov <tech-talk at aps.anl.gov>
Subject: NDPluginFile question

 

Hello,

I have implemented a new NDPluginFile class for a specialized file format the we need.
Everything works fine besides one strange thing that the last file in a series of captured streams is not closed.
I want to take 100 images, each in a separate file. Therefor I set the # Captures to 1 and set the Mode to Stream.
If I now click Capture, a new file is created for the next image, the Next file # get incremented and the capture finishes.
If I now try to open the file its not yet possible to read it because its not closed yet.
Reading thru the code of NDPluginFile.cpp I believe that the file should be closed by calling closeFileBase which calls closeFile of my derived class.
Is that the expected behavior?

Regards

Jörn