CTSC Slicer XNE

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UXP & functionality planning for Slicer's XNE client

Workflow & Implementation approaches

All Workflow Steps:

  • Select XNAT Enterprise server
  • Authentication dialog presented
  • Dialog input is processed
  • XNAT queried for projects
  • response is checked for http error codes
  • xml parsed to get list of projects
  • GUI populated
  • One project selected
  • XNAT queried for subjects in that project
  • response is checked for http error codes
  • xml parsed to get list of subjects
  • GUI populated
  • One subject selected
  • User selects filters to narrow scan search
  • User selects "search" for all scans
  • XNAT queried for appropriate scans
  • response is checked for http error codes
  • xml is parsed to get list of scans
  • GUI is populated
  • User selects one scan and "download"
  • Scan is loaded into Slicer

Each step is detailed below.

1. Select XNAT Enterprise Server

2. Authentication Dialog Presented

  • Enter user name and password

3. Process Dialog Input

  • Save the username (XNE_UserName) and password (XNE_Password)
  • Authenticate and create a session:
curl -d POST $XNE_Host/REST/JSESSION -u $XNE_UserName:$XNE_Password

4. Query XNAT for Projects Available to User

  • XNAT queried for appropriate projects
curl server/REST/projects?format=xml --cookie JSESSIONID=$sessionID
  • response is checked for http error codes
    • if error is found, report to user
    • else xml is parsed to get list of scans

5. User Selects One Project

6. Query XNAT for Subjects in Selected Project

  • XNAT queried for appropriate subjects
curl server/REST/projects/$projectID/subjects?format=xml --cookie JSESSIONID=$sessionID
  • response is checked for http error codes
    • if error is found, report to user
    • else xml is parsed to get list of scans

7. User Selects One Subject

8. User Selects Pull-Down Filters to Narrow Search for Scans & Selects Search

8. Query XNAT for All Scans for This User

  • XNAT queried for appropriate scans
  • response is checked for http error codes
    • if error is found, report to user
    • else xml is parsed to get list of scans

10. User Selects One Scan and Clicks Download

11. Scan is Loaded into Slicer

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