Faces Browse and Display

FACES Scope · Functionalities Disclaimer and Copyright Support Application Profiles Release Agreement Specification: Browse and Display · Search Albums · Users Note Pads · Versioning Related Projects: Imeji edit

Introduction

A small glossary for the used terms can be found under Miscellaneous.
Please enter all comments concerning the use cases on the discussion page.

As the current state of the spec focuses on R3.5, earlier states of the spec can be found in the history of this page:

• The spec for R2
• The spec for R3

Pictures

UC_FAC_BD_01 View picture list

Status/Schedule

• Status: in specification
• Schedule: R3.5

Motivation

• The user wants to view several or all pictures of the collection in the list view.

Triggers

• This use case can be included by the use cases
  • UC_FAC_SR_01 Search
  • UC_FAC_SR_02 View all pictures of one person
  • UC_FAC_BD_04_View album details

Steps

1. The user chooses to view the whole list of available pictures or executed one of the above mentioned use cases.
2. When the user does not view the picture list of an album, the system displays the number of pictures and the list of pictures. The defaults for the sorting order and the number of hits per page are given by the system (by default: sorted by emotion, number of hits per page: 12).
   • Sorted by Emotion (default)

   Emotion (alphabetically: anger, disgust, fear, happiness, neutrality and sadness) - Person-ID (ascending) - Picture Set (ascending)#

3. (Optionally) The user changes the sorting order by changing one or several sorting criteria and confirming his choice.

   3.1 The system displays the picture list depending on the selected sorting criteria.

4. (Optionally) The user changes the ascending/descending order of a sorting criteria.

   4.1 The system displays the picture list in the selected sorting order.

5. (Optionally) The user chooses another number of hits to be displayed per page.

   5.1 The system displays the picture list containing the selected number of hits per page.

6. (Optionally) The user goes to a special page, to the last page or to the first page.

   6.1 The system displays the selected page.

7. Extension point: add pictures to album

   7.1 If the user wants to add pictures to one of his (shared) private albums, include UC_FAC_AM_02 Add picture to album.

8. The use case ends successfully.

Alternatives

2.a The user views the picture list of an album. The system displays the number of pictures and the list of pictures. The defaults for the sorting order and the number of hits per page are given by the system (by default: sorted descending by "last added" (the most recent added picture is listed first), number of hits per page: 12). Continue with Step 3.

Actors Involved

• User

UC_FAC_BD_02 View picture details

Status/Schedule

• Status: implemented
• Schedule: R1

Motivation

• The user wants to view one picture in detail (a higher resolution of the picture and its attributes).

Steps

1. The user selects one picture.
2. The system displays the picture in the web resolution (detailed view) and all available attributes of the picture.
3. Extension point: add pictures to album

   3.1 If the user wants to add pictures to one of his (shared) private albums, include UC_FAC_AM_02 Add picture to album.

4. The use case ends successfully.

Actors Involved

• User

UC_FAC_BD_03 View picture for comparison

Status/Schedule

• Status: implemented
• Schedule: R1

Motivation

• The user wants to see both picture sets of one image to compare them with each other.

Pre-Condition

• One picture is selected (in the detailed view).

Steps

1. The user chooses to view the picture for comparison (same image from the other picture set).
2. The system displays the picture for comparison next to the selected one in the web resolution.
3. Extension point: add pictures to album

   3.1 If the user wants to add pictures to one of his (shared) private albums, include UC_FAC_AM_02 Add picture to album.

4. The use case ends successfully.

Actors Involved

• User

Albums

UC_FAC_BD_04 View album details

Status/Schedule

• Status: in specification
• Schedule: R3.5

Motivation

• The user wants to view the details of an album.

Pre-Condition

• One album is selected.
• Further pre-conditions are based on the state of the album:

pending: The user is the owner of the item or has administrator rights.

released: None.

withdrawn: None.

Steps

1. The user chooses to view the selected album.
2. The system displays the metadata of the album (see Application Profile Album) and following further information depending on the state of the album:

   pending:

   • For all albums: date created, date last modified
   • For shared albums: the user who has done the last modification of the album, all active shared users (user names) and the owner of the album
   • For shared albums the user is the owner: all shared users (user names for active users and e-mail address for inactive users) inclusive the state of the shared users.
   • If the user is an account user, include UC_FAC_BD_01 View picture list.

   released:

   • date created, date published
   • the affiliation of the album owner
   • the PID of the album
   • If the user is an account user, include UC_FAC_BD_01 View picture list.

   withdrawn:

   • date created, date published, date withdrawn
   • the affiliation of the album owner
   • the crossed out PID of the album
   • the withdrawl comment
   • If the user is the owner of the item or has administrator rights, include UC_FAC_BD_01 View picture list.

3. Extension point: remove picture from album

   3.1 If the album is in the state pending, the user is the owner of the album or a shared user of the album and wants to remove a picture from the album, include UC_FAC_AM_03 Remove picture from album.

4. Extension point: edit album

   4.1 If the album is in the state pending, the user is the owner of the album and wants to edit the album, include UC_FAC_AM_04 Edit album.

5. Extension point: share album

   5.1 If the album is in the state pending and the user is the owner of the album, include UC_FAC_AM_09 Share album.

6. Extension point: unshare album

   6.1 If the album is in the state pending, the user is the owner of the album and at least one shares user for the album exists, include UC_FAC_AM_11 Unshare album.

7. Extension point: delete album

   7.1 If the album is in the state pending, the user is the owner of the album and wants to delete the album, include UC_FAC_AM_05 Delete album.

8. Extension point: release album

   8.1 If the album is in the state pending, the user is the owner of the album and wants to release the album, include UC_FAC_AM_06 Release album.

9. Extension point: export album

   9.1 If the album is in the state pending (the user is the owner of the album or a shared user of the album) or in the state released and the user wants to export the pictures of the album, include UC_FAC_AM_08 Export album.

10. Extension point: copy album content

    10.1 If the album is in the state pending (the user is the owner of the album or a shared user of the album) or in the state released and the user wants to copy the content of the album, include UC_FAC_AM_12 Copy album content.

11. Extension point: withdraw album

    11.1 If the album is in the state released, the user is the owner of the album and wants to withdraw the album, include use case UC_FAC_AM_07 Withdraw album.

12. Extension point: create private note pad

    12.1 If the user is the owner of the album and wants to create a private note pad for the album, include use case UC_FAC_NP_01 Create private note pad.

13. Extension point: view note pad

    13.1 If a corresponding note pad in the state pending exists, the user is the owner or a shared user of the note pad and wants to view it, include UC_FAC_NP_02 View note pad.

    13.2 If a corresponding note pad in the state released or withdrawn exists and the user wants to view it, include UC_FAC_NP_02 View note pad.

14. Extension point: view album event log

    14.1 If the user is the owner of the album or a shared user of the album and wants to view the event log of the album, include UC_FAC_VS_01 View album event log.

15. The use case ends successfully.

Actors Involved

• Account user

UC_FAC_BD_05 View my albums

Status/Schedule

• Status: in specification
• Schedule: R3.5

Motivation

• The user wants to overview all his albums and all albums of other users he is sharing.
• R4: The administrator wants to overview all albums of a special user).

Pre-Condition

• One account user is selected.

Triggers

• This use case can be included by following use cases

• UC_FAC_AM_10 Confirm shared user
• R4: UC_FAC_UM_03 View account users list

Steps

1. The user chooses to overview his albums (including his shared albums).
2. The system displays the list of all albums the selected user is the owner or an active shared user and the number of list entries.
   • In this list are displayed following information about each album:

   For all albums: the name, the number of pictures, the description if available, the date last modified and the state of the album.

   For shared albums: the information that the album is shared and the owner of the album.

   • The defaults for the sorting order and the number of hits per page are given by the system (by default: date last modified (beginning with the newest date), number of hits per page: 10).
3. (Optionally) The user changes the sorting order (each entry can be used as sorting criteria).

   3.1 The system displays the album list in the selected sorting order.

4. (Optionally) The user chooses another number of hits per page (following numbers are available: 10, 25, 50, 75, 100).

   4.1 The system displays the album list with the selected number of hits per page.

5. (Optionally) The user goes to a special page, to the last page or to the first page.

   5.1 The system displays the selected page.

6. Extension point: search within album list

   6.1 If the user wants to search within the album list, include UC_FAC_SR_03 Search within list.

7. Extension point: view album details

   7.1 If the user wants to view the details of a selected album, include UC_FAC_BD_04 View album details.

8. Extension point: copy album content

   8.1 If the album is in the state pending (the user is the owner of the album or an active shared user of the album) or in the state released and the user wants to copy the content of the album, include UC_FAC_AM_12 Copy album content.

9. The use case ends successfully.

Alternatives

1.a R4: The administrator chooses to overview all albums of a selected user. Continue with Step 2.

Actors Involved

• Account user

UC_FAC_BD_06 View released albums

Status/Schedule

• Status: implemented
• Schedule: R2

Motivation

• The user wants to overview all released albums.

Steps

1. The user chooses to overview all released albums.
2. The system displays the list of all released albums and the number of list entries. In this list are displayed following information about each album: the name, the number of pictures, the description if available, the owner, the affiliation of the owner and the date published. The defaults for the sorting order and the number of hits per page are given by the system (by default: date released (beginning with the newest date), number of hits per page: 10).
3. (Optionally) The user changes the sorting order (each entry can be used as sorting criteria).

   3.1 The system displays the album list in the selected sorting order.

4. (Optionally) The user chooses another number of hits to be displayed per page (following numbers are available: 10, 25, 50, 75, 100).

   4.1 The system displays the album list containing the selected number of hits per page.

5. (Optionally) The user goes to a special page, to the last page or to the first page.

   5.1 The system displays the selected page.

6. Extension point: search within album list

   6.1 If the user wants to search within the album list, include UC_FAC_SR_03 Search within list.

7. Extension point: copy album content

   7.1 If the album is in the state pending (the user is the owner of the album or an active shared user of the album) or in the state released and the user wants to copy the content of the album, include UC_FAC_AM_12 Copy album content.

8. The use case ends successfully.

Actors Involved

• User

UC_FAC_BD_07 Resolve album by URL

Status/Schedule

• Status: implemented
• Schedule: R2

Motivation

• A not logged in user follows a (published) link to a released album.

Steps

1. The user requests an album by providing the URL assigned by the system for persistently citing the album.
2. The system displays the metadata of the album (see Application Profile Album) and following further information depending on the state of the album:

   released: The affiliation of the album owner, the PID of the album and its publishing date.

   withdrawn: The affiliation of the album owner, the crossed out PID of the album, its publishing and withdrawn dates and the withdrawl comment.

Actors Involved

• User

UC_FAC_BD_08 View file metadata

Status/Schedule

• Status: in design
• Schedule: R3

Motivation

• The user wants to see the file metadata (see Faces Application Profile FacesFile) of a file, which are mostly technical metadata.

Pre-Condition

• One picture is selected.

Triggers

Steps

1. The user chooses to view file metadata about the selected picture.
2. The system displays the available resolutions (thumbnail, web resolution, original resolution) of the selected picture.
3. The user chooses one resolution for which he wants to see the file metadata.
4. The system displays the file metadata (in XML) of the selected resolution. The use case ends successfully.

Actors Involved

• User

Administration

UC_FAC_BD_09 View administrator workspace

Status/Schedule

• Status: in design
• Schedule: R3

Motivation

• A user wants to have an overview about all tasks he can perform with his special rights as administrator.

Steps

1. The user chooses to view the administrator workspace.
2. The system displays the administrator workspace, where all tasks that can be performed by an administrator are listed.
3. Extension point: view statistics

   3.1 If the user wants to view the Faces statistics, include UC_FAC_BD_10 View Statistics.

4. Extension point: view account users

   4.1 If the user wants to get an overview about all account users of Faces, include UC_FAC_UM_03 View account users list.

5. R4: Extension point: create account user

   3.1 If the user wants to create an account user, include UC_FAC_UM_04 Create account user.

6. The use case ends successfully.

Actors Involved

• Administrator

UC_FAC_BD_10 View statistics

Status/Schedule

• Status: in design
• Schedule: R3

Motivation

• The user chooses view the usage statistics (see Faces Statistics) for the Faces solution.

Triggers

• This use case is included by the use cases

• UC_FAC_BD_09 View administrator workspace

Steps

1. The user chooses to view the usage statistics for Faces.
2. The system displays the statistical data for each month (all finalized months and the current one) in a list. The use case ends successfully.

Actors Involved

• Administrator

Digilib

UC_FAC_BD_11 Navigate within one picture

Status/Schedule

• Status: in specification
• Schedule: R3.5

Motivation

• The user wants to analyze one picture. Therfore, the Digilib tool will be used.

Pre-Condition

• One picture is selected (in the detailed view).

Steps

1. (Optionally) The user zooms in and out within the picture.
2. (Optionally) The user navigates left, right, up and down within the zoomed picture.
3. (Optionally) The user switches back to see the whole picture.
4. The use case ends successfully.

Actors Involved

• User

Note Pad

UC_FAC_BD_12 View note pad

Status/Schedule

• Status: in specification
• Schedule: R3.5

Motivation

• The user wants to view a note pad.

Pre-Condition

• One note pad is selected.
• Further pre-conditions are based on the state of the album:

  pending:

  • For private note pads: the user is the owner of the note pad.
  • For shared note pads: the user shares the notepad or is the owner of the note pad.

  released: None.

  withdrawn: None.

Triggers

• This use case can be included by following use cases

• UC_FAC_BD_04 View album details

Steps

1. The user chooses to view the selected note pad.
2. The system displays the note pad and its metadata (see Note Pad Metadata Set).

   For shared note pads, additionally following properties will be displayed

   1. For the owner of the note pad:
      • List of shared users (e-mail address, user name) and list of invited users (e-mail address)
   2. For the shared users of the note pad:
      • List of shared users (e-mail address, user name) and number of invited users

3. Extension point: edit private note pad

   3.1 If the note pad is a private one in the state pending, the user is the owner of the note pad and wants to edit it, include UC_FAC_NP_02 Edit private note pad.

4. Extension point: comment shared note pad

   4.1 If the note pad is a shared one in the state pending, the user is the owner or a shared user of the note pad and wants to add a comment on the note pad, include UC_FAC_NP_03 Comment shared note pad.

5. Extension point: delete private note pad

   5.1 If the note pad is a private one in the state pending, the user is the owner of the note pad and wants to delete it, include UC_FAC_NP_04 Delete private note pad.

6. Extension point: release note pad

   6.1 If the note pad is in the state pending, the user is the owner of the note pad and wants to release it, include UC_FAC_NP_05 Release note pad.

7. Extension point: withdraw note pad

   7.1 If the note pad is in the state released, the user is the owner of the note pad and wants to withdraw it, include UC_FAC_NP_06 Withdraw note pad.

8. The use case ends successfully.

Actors Involved

• Account user

Further development

Further list view of an album

Two possible ideas:

1. Business Card View
   • Only three (instead of six) pictures are displayed in one row
   • Next to each picture, the six main attributes are displayed (when there isn't enough space, without the label)
2. MD View
   • The pictures will be displayed in a much smaller thumbnail
   • The focus will lay on the display of metadata

--> Has to be checked with the institute. Could be part of R3.5.

Use Case

Identifier

Persistent Identifer or Identification

Uniform Resource Locator

Extensible Markup Language

Web Based Server Technology for Viewing and Working with Images

Metadata