Weasis 3.5.4 query directly Orthanc DICOMWeb

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Nicolas Roduit

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Sep 30, 2019, 6:12:37 AM9/30/19
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I added a new command in Weasis 3.5.4-rc to query DICOMWeb services.

By doing some tests on the different DICOMWeb servers, I notice 2 problems with Orthanc:
  • Series Thumbnail not implemented (It is an optional feature with Retrieve but it would be nice to have it)
  • Cannot retrieve with the header "Accept: multipart/related;type=application/dicom;transfer-syntax=*" only "Accept: multipart/related;type=application/dicom;" works
    As Weasis contains all the DICOM decoders, it would more efficient to get directly the DICOM files with the stored transfer syntax (server don't have to uncompress the images and downloading will be faster with compressed images). This should possible with "transfer-syntax=*" according to the DICOM standard. 
However, I manage to download some images by changing the accept parameters:

The command for weasis:
$dicom:rs --url "https://demo.orthanc-server.com/dicom-web" -r "patientID=5Yp0E" --accept-ext=";"

Launching with weasis protocol (URL encoded)
weasis://%24dicom%3Ars%20--url%20%22https%3A%2F%2Fdemo.orthanc-server.com%2Fdicom-web%22%20-r%20%22patientID%3D5Yp0E%22%20--accept-ext%3D%22%3B%22

Sébastien Jodogne

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Sep 30, 2019, 10:04:18 AM9/30/19
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Hello,

Thanks for your feedback!

The "series thumbnail" feature (aka. "/studies/.../series/.../rendered" URI) is implemented in the mainline of the DICOMweb plugin by the following commit:

Similarly, the "Accept: multipart/related;type=application/dicom;transfer-syntax=*" header is now accepted in the mainline:

More context about the second topic is available in the following thread:

HTH,
Sébastien-

Nicolas Roduit

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Sep 30, 2019, 11:39:49 AM9/30/19
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Thanks for your quick reply. I'll wait for the next release.
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