# HG changeset patch # User Sebastien Jodogne # Date 1614326427 -3600 # Node ID 05a5a7369126fd942647b654412383b8a4b6e36a # Parent 0b93fcc8162f2008a163bdcf45adcb13322b2ab9 documenting attachments 1, 2 and 3 diff -r 0b93fcc8162f -r 05a5a7369126 Sphinx/source/faq/features.rst --- a/Sphinx/source/faq/features.rst Fri Feb 26 08:35:52 2021 +0100 +++ b/Sphinx/source/faq/features.rst Fri Feb 26 09:00:27 2021 +0100 @@ -234,6 +234,11 @@ ``OrthancPluginSetGlobalProperty()``) are therefore kindly invited to complete the **central registry** below: +* ``Attachment 1`` is used by the core of Orthanc to store DICOM instances +* ``Attachment 2`` was used by Orthanc <= 1.9.0 to cache the :ref:`DICOM-as-JSON information ` +* ``Attachment 3`` is used since Orthanc 1.9.1 to store the DICOM instance, until the ``Pixel Data (7fe0,0010)`` tag, + if global configuration option ``StorageCompression`` is ``true``, or if the storage area plugin doesn't support + range reads * ``Attachment 9997`` is used by the :ref:`Osimis WebViewer plugin ` to store series information. * ``Attachment 9998`` is used by the :ref:`Osimis WebViewer plugin ` to store instance information. * ``Attachment 9999`` is used by the :ref:`Osimis WebViewer plugin ` to store annotations.