Mercurial > hg > orthanc-book
comparison Sphinx/source/faq/features.rst @ 1085:05d37a5abcc4
dicom-as-json hk
author | Alain Mazy <am@orthanc.team> |
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date | Fri, 28 Jun 2024 11:15:17 +0200 |
parents | 2e103fb1fa11 |
children | faf18bfe89a0 |
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1082:202b378001f0 | 1085:05d37a5abcc4 |
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262 | 262 |
263 In the version of Orthanc <= 1.9.0, whenever Orthanc receives a DICOM | 263 In the version of Orthanc <= 1.9.0, whenever Orthanc receives a DICOM |
264 file, it pre-computes a JSON summary of its DICOM tags, and caches | 264 file, it pre-computes a JSON summary of its DICOM tags, and caches |
265 this JSON file as an attachment to the DICOM instance (accessible at | 265 this JSON file as an attachment to the DICOM instance (accessible at |
266 the ``/instances/{...}/attachments/dicom-as-json/`` URI). This | 266 the ``/instances/{...}/attachments/dicom-as-json/`` URI). This |
267 attachment is used as a cache to seep up future accesses to | 267 attachment is used as a cache to speed up future accesses to |
268 ``/instances/.../tags``, lookups using ``/tools/find`` or C-FIND | 268 ``/instances/.../tags``, lookups using ``/tools/find`` or C-FIND |
269 queries. | 269 queries. |
270 | 270 |
271 This caching might cause issues if the dictionary of DICOM tags is | 271 This caching might cause issues if the dictionary of DICOM tags is |
272 subsequently modified, which implies that the cached JSON file does | 272 subsequently modified, which implies that the cached JSON file does |
273 not perfectly match the new dictionary. | 273 not perfectly match the new dictionary. |
274 | |
275 Starting from 1.9.0, these files are not necessary anymore. They can | |
276 possibly be removed by the :ref:`Housekeeper plugin <housekeeper-plugin>` | |
277 to reclaim disk space. | |
274 | 278 |
275 .. highlight:: bash | 279 .. highlight:: bash |
276 | 280 |
277 Since Orthanc 1.2.0, you can force the re-generation of the cached | 281 Since Orthanc 1.2.0, you can force the re-generation of the cached |
278 JSON file by DELETE-ing it, for instance:: | 282 JSON file by DELETE-ing it, for instance:: |