Follow-up on Reading TSL HDF5 EBSD Files in DREAM3D-NX (Error from H5OIMReader)

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王一攀

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Oct 15, 2025, 10:16:07 PMOct 15
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Hi Mike,

Thank you very much for your previous reply and guidance.
I followed your suggestion and tried using the **“Read EDAX OIM Analysis Data (.h5)”** filter in **DREAM3D-NX** to import my dataset.

However, after selecting the file and choosing **Scan 1**, I still encountered an error message:

> *“Attempting to read scan ‘Scan 1’... produced an error from the H5OIMReader class.”*

It seems that the software recognizes the data structure (EulerAngles, IQ, Phases, X/Y Position, etc.), but cannot fully read the scan data.

Since I am a **new user still learning DREAM3D**, I may not be using the correct workflow.
Could you please advise how to correctly import and visualize EBSD HDF5 (.h5) files exported from TSL/OIM Analysis?
If possible, could you also share any **tutorials or example pipelines** related to reading this type of data in DREAM3D-NX?

I have attached:

* Several example slice images
* The open-source dataset link I used

Thank you very much for your time and support!

Best regards,
Wang YP
Graduate Student

PS:I will also attach several slice images from the dataset and include the link to the open-source 3D EBSD dataset I used, so it’s easier to understand the context. 

pic1.png
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