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A TCIA administrator creates protection groups to limit data access and visibility by image collection and site(s). Administrators add users to protection groups and can then further manage their access by assigning them one or more roles. Users can only access the protection group data in the way that the role specifies.

For example, John Smith needs to be a curator within the Mouse Astrocytoma protection group, so user johnsmith is assigned to protection group TCIA Mouse Astrocytoma with the role of CURATOR.

Topics in this section include:

Adding a Protection Group

  1. Select Admin > User Authentication Tool.
  2. Select the Protection Group tab.
  3. Scroll down to the bottom of the page and click Add Protection Group button.
    The Protection Group Details window appears.
    Protection Group Details window
  4. Enter a name for the new group and optionally, a description.

    No Special Characters

    Do not use special characters such as # or \ in group names.

  5. Click Save button.
    The protection group appears on the Protection Group tab.

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Assigning a User to a Protection Group with Roles

Super Administrator

If you are a Super Administrator for one protection group, your privileges extend to all of the protection groups.

To assign a user to a protection group and assign roles

  1. Select Admin > User Authentication Tool.
  2. Select the User Authorization tab.

    TCIA User Authorization Tool

  3. Select a user from the list.
    A page listing the protection groups and access roles associated with the selected user opens.
    User Authorization tab of the User Authorization tool

  4. Click Add Protection Group and Access Role button.
    The Grant Access to Selected User window opens.
    Grant Access to Selected User page

  5. From the Protection Group list, select the group to which you want to assign the user.
  6. From the Role list, select the access role that the user should have in that protection group.
    The following table lists and describes the access roles available in TCIA.

    Access RoleDescription of Access Role
    NCIA ADMIN

    Access the User Authorization Tool to manage users

    NCIA CURATE

    Add or modify curation data

    NCIA DELETE_ADMIN

    Super Administrator role for deletions

    NCIA MANAGE_COLLECTION_DESCRIPTION

    Manage collection descriptions

    NCIA MANAGE_VISIBILITY_STATUS

    Access the Quality Control (QC) Tool

    NCIA READ

    Public role for searching

    NCIA SUPER_CURATOR

    Super Administrator role for approving deletions

    NCIA VIEW_SUBMISSION_REPORT

    Access the Submission Reports option to verify submissions.

  7. Click Save to save the changes.

    The row is added to the table.

    Working with the table

    To adjust how the table is sorted, click the arrows in the column header. To narrow the list, type the name or part of the name in the column header. You can also enter information in multiple column headers to further narrow the list.

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Changing a User's Access Role Within a Protection Group

  1. Select Admin > User Authentication Tool.
  2. Select the User Authorization tab.

    TCIA User Authorization Tool

  3. Select a user from the list.
    A page listing the protection groups and access roles associated with the selected user opens.
    User Authorization tab of the User Authorization tool

  4. In the row of the protection group you want to change, click Update Access icon.
    The Grant Access to Selected User dialog box opens.

    Grant Access to Selected User, Update

  5. To change the user's access to roles in this protection group, click the down arrow to open the Role list. Select the boxes next to roles you want to assign to the selected user. Clear the boxes next to roles you do not want the user to have. Click Update button to save your changes.

    To delete a role, open the Role list, select a role, and click Delete button.

    The User Authentication tab appears.

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