[BUG] Importing DICOM to workspace using 'matRad_ImportDicom()'

[weiyuqi7777]

Describe the bug
Hi, I'm very new to matlab. I'm trying to upload DICOM data to workspace by using script. I found the function 'matRad_ImportDicom()' under the 'matRad_DicomImporter'. I'm trying to use it to upload the data. However, it shows a error of 'Too many output arguments.' I then check 'nargout('matRad_importDicom')' and it shows the number of output of this function is 0. However, in the document, it shows that '[ct, cst, pln, resultGUI] = matRad_importDicom()'.

Screenshots
Code:

Error:
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Desktop (please complete the following information):

• OS: Windows
• Environment & Version: Matlab R2025a
• matRad Version: v3.1.0-6-gc05a084

[wahln]

Sorry, the documentation is unfortunately outdated here.

The Function should be run without output arguments (we changed this because we don't know beforehand what's in the folder and how much stuff will need to be returned).

Afterwards, the data is either loader directly into the workspace or stored as properties of the dicom importer object (in your case dx). I don't remember the exact behavior right now and don't have quick access to data at the moment.

[weiyuqi7777]

Thank you for the clarification!

I modified the last line the import to 'matRad_importDicom(dx)'. However, this is the error it returned. I'm wondering is this due my dataset is not well-defined or is because of the function?

[weiyuqi7777]

If this resolution cannot be extracted from the DICOM file, is it possible to set it manually?

[wahln]

This is a bug I think I've seen before.
Just to make sure - are you importing a CT or something more exotic (MR, CBCT, etc.)?

Because the resolution is populated here:

matRad/matRad/dicom/@matRad_DicomImporter/matRad_DicomImporter.m

Lines 92 to 99 in 0994481

	for i = numel(obj.allfiles(:,1)):-1:1
	if strcmp(obj.allfiles(i,2),'CT')
	obj.importFiles.resx = obj.allfiles{i,9};
	obj.importFiles.resy = obj.allfiles{i,10};
	obj.importFiles.resz = obj.allfiles{i,11}; %some CT dicoms do not follow the standard and use SpacingBetweenSlices
	break
	end
	end

[weiyuqi7777]

Yes, I'm importing a CT.

[weiyuqi7777]

I'm able to set the resolution to a placeholder value manually. However, there are new errors emerging.