Message in log file: Using GDCM instead of the DICOM decoder that is built ?

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1

Does anyone have any idea what the following message in the Orthanc log file means?

W0717 19:52:50.945104 PluginsManager.cpp:168] Using GDCM instead of the DICOM decoder that is built in Orthanc

2

Also got the following:

E0717 19:55:37.363622 PluginsManager.cpp:164] Cannot decode image using GDCM: Unsupported output photometric interpretation

3

This message indicates an unsupported type of image by the Web viewer.

Please share a sample DICOM image so that we can provide support.

4

And what about the first message I mentioned?

W0717 19:52:50.945104 PluginsManager.cpp:168] Using GDCM instead of the DICOM decoder that is built in Orthanc

5

That’s because you are using the decoder of DICOM images that comes with the Web viewer.

Contrarily to the decoder of the Orthanc core (that is built upon DCMTK), the decoder of the Web viewer is built upon GDCM and supports more image types (such as JPEG2k).

6

Is this normal ? I mean is this the default behavior ?

7

Yes, it’s normal.

8

Phew.Thanks.