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The Diagram Tab
The diagram tab contains two sub-tabs, 'Current Session' and 'Snapshots', that are used to display and manage 'snapshots' of a diagram at various points in time as the model is developed.
The 'Current Session' sub-tab displays a list diagram snapshots for the current session. These snapshots are created when the current diagram is first opened, and thereafter, each time the diagram is saved. Current Session snapshots are stored in application memory. They are discarded when the application shuts down.
The 'Snapshot' sub-tab displays a list of diagram snapshots captured either automatically or manually. These snapshots are stored within the model database.
Each of the sub-tabs provides a range of commands for creating, displaying, saving and deleting the snapshots it displays. The menus are displayed by either clicking on the 
icon, or right-clicking within the tab window. The menu options are described below.
Access
|
Ribbon |
Start > All Windows > Design > Tools > Timelines | Diagram |
Current Session (sub-tab)
The 'Current Session' sub-tab displays a list of diagram snapshots for the current session. These snapshots are created when the current diagram is first opened, and thereafter, each time the diagram is saved.
The snapshot information is displayed as a table comprising three columns. The columns are described here:
Column |
Description |
|---|---|
|
Snapshot |
The creation timestamp |
|
Objects |
The number of Objects on the diagram at the time of capture |
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Connectors |
The number of Connectors on the diagram at the time of capture |
Current Session Menu Options
The 'Current Session' sub-tab provides a range of commands for creating, saving, comparing and deleting the diagram snapshots. The commands are accessed via a menu, which is displayed either by clicking on the icon in the title bar, or by right-clicking within the tab window. The menu options are described here:
Menu Option |
Description |
|---|---|
|
Show Snapshot |
Shows the selected snapshot image in a popup viewer |
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Save to Snapshots... |
Saves the selected snapshot image to model which then can be viewed in the adjacent ‘Snapshots’ tab |
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Delete Snapshot |
Deletes the selected snapshot image from memory |
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Delete All |
Deletes all of the currently listed snapshots from memory |
Snapshot (sub-tab)
The 'Snapshot' sub-tab displays a list of diagram snapshots captured and stored within the model database. Diagram snapshots can be captured both automatically and manually. To enable automatic snapshots, choose the ribbon option 'Settings | Model | Options | General | Snapshots'.
The snapshot information is displayed as a table comprising three columns. The columns are described here:
Column |
Description |
|---|---|
|
Snapshot |
The creation timestamp |
|
User |
The ID of the user that created the snapshot |
|
Type |
Image, Baseline, Image & Baseline, Cached. (Cached is the captured image used for WebEA.) Additionally, an asterisk is used to indicate the following;
|
Snapshot Menu Options
The 'Snapshots' sub-tab provides a range of commands for creating, saving, comparing and deleting the diagram snapshots. The commands are accessed via a menu, which is displayed either by clicking on the icon in the title bar, or by right-clicking within the tab window. The menu options are described here:
Menu Option |
Description |
|---|---|
|
Create Image Snapshot... |
Creates a stored image of the current diagram |
|
Create Baseline Snapshot... |
Creates a Native XML format snapshot of the current diagram and elements it contains |
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Create Both Snapshots... |
Creates both an image and Native XML snapshot of the current diagram |
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Show Snapshot |
Shows the selected snapshot image in a popup viewer |
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Compare Snapshot |
Compares the selected Native XML snapshot with the current diagram and displays the results in the Snapshot Comparison view |
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Compare Selected Snapshots |
Compares two selected Native XML snapshots. The results are displayed in the Snapshot Comparison window |
|
Save Snapshot to Native XML File... |
Exports the selected Native XML snapshot to a file |
|
Show/Hide Comments |
Show/Hide comments associated with the listed snapshots |
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Edit Comment... |
Edit the selected snapshot's comment |
|
Visible Timeframe |
the list of displayed snapshots, to show only those saved within the last specified number of days: Today, 2, 3, 5, 7, 30, 90 |
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Show All |
Clears the value for 'Visible Timeframe' and shows all captured snapshots |
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Delete Snapshot |
Delete the selected snapshot |