Difference between revisions of "Slicer3:Remote Data Handling"

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'''[[Slicer3:Developers#Slicer_3_Projects | Back to Slicer3 Projects List ]]'''
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<big>'''Note:''' We are migrating this content to the slicer.org domain - <font color="orange">The newer page is [https://www.slicer.org/wiki/Slicer3:Remote_Data_Handling  here]</font></big>
 
 
== Remote I/O for Slicer3 ==
 
 
 
=== ITK-based mechanism handling remote data (for command line modules, batch processing, and grid processing) ===
 
 
 
=== vtkMRMLStorageNode methods for handling remote data (for loading and saving data for interactive use) ===
 
 
 
'''Load Scene''', '''Import Scene''', and '''Add Data''' options in Slicer all encapsulate two steps:
 
* locating a dataset, usually accomplished through a file browser, and
 
* selecting a dataset to initiate loading.
 
 
 
For loading remote datasets, we have options for breaking these two steps apart explicitly, or binding them together under the hood.  
 
 
 
====Breaking apart "find data" and "load data":====
 
 
 
'''Possible workflow A'''
 
* User downloads .xcat or .xml (MRML) file to disk using the HID or an XNAT web interface
 
* From the Load Scene file browser, user selects the .xcat or .xml archive. If no locally cached versions exist, each remote file listed in the archive is downloaded to /tmp directory (always locally cached) by the Download Manager, and then loaded into Slicer via a vtkMRMLStorageNode method when download is complete.
 
 
 
'''Possible workflow B'''
 
* User downloads .xcat or .xml (MRML) file to disk using the HID or an XNAT web interface
 
* From the Load Scene file browser, user selects the .xcat or .xml archive. If no locally cached versions exist, each remote file in the archive is downloaded to /tmp (only if a flag is set) by the Download Manager, and loaded directly into Slicer via a vtkMRMLStorageNode method when download is complete.
 
 
 
'''Possible workflow C'''
 
* User locates a MRML file, .xcat archive, or individual dataset on the HID or an XNAT web interface
 
* User types the uri into the ''Load Scene'', ''Import Scene'', or ''Add Data'' interfaces.
 
* If no locally cached versions exist, each remote file in the archive is cached to /tmp by the Download Manager, and loaded directly into Slicer via a vtkMRMLStorageNode method when download is complete.
 
 
 
====Bundling together find data and load data:====
 
 
 
'''Possible workflow D'''
 
* In this workflow, Slicer would make calls to HID or XNAT webservices to determine what data of interest is available...
 
 
 
=== Asynchronous I/O Manager ===
 

Latest revision as of 18:07, 10 July 2017

Home < Slicer3:Remote Data Handling

Note: We are migrating this content to the slicer.org domain - The newer page is here