Hammocks

Hammocks are a type of activity used to represent or summarize a group of other activities, milestones, and/or benchmarks. They are different from regular activities in that they have no attributes of their own (like dates or info objects), except for the descriptions/ID, and they don’t accept resources or embedded nodes. If an embed is added, it will display as red. Furthermore, hammocks cannot to be linked to other objects, and member objects can only belong to one hammock at a time. When exported to P6, any unconnected milestones or benchmarks will be connected to the LOE with a start-to-start or finish-to-finish relationship accordingly.

Hammocks are depicted on the canvas by a thick, diagonally hashed bar, beginning at the earliest start date and ending at the latest finish date of their member objects. The object itself will automatically reflect in real-time any changes in dates and durations to any of their member objects, and they will also display critical if any member objects are critical. Once created, hammocks can also be hidden on the canvas, and member objects can be added and removed. Instructions for all are provided below.

NOTE: If a hammock includes only delay/gain objects with total duration of zero, the hammock still displays the duration as one, because hammocks cannot have zero duration.

Steps

Creating Hammocks

  1. With the Select Tool Select Tool Icon chosen in the toolbar, select the first activity, milestone, or benchmark on the canvas.
  2. To add more objects, press and hold the Shift key and select a second activity, milestone, or benchmark on the canvas to include. Alternatively, you can click on a blank portion of the canvas and drag a rectangular marquee box around all the objects to include in the hammock.
  3. With all the objects still selected, click the Hammock icon Hammock Icon in the toolbar.
  4. Use the up and down arrow buttons or enter the grid number to place the hammock at and click OK. NOTE: A new gridline will be inserted for the hammock and all objects below it moved down.
  5. Enter a description and any other details.
  6. When finished, click OK to close the window and finish creating the hammock.

Adding Objects to Hammocks

  1. With the Select Tool Select Tool Icon chosen in the toolbar, select the hammock on the canvas.
  2. Press and hold the Shift key and select each activity, milestone, or benchmark to add to the hammock. Alternatively, you can click on a blank portion of the canvas and drag a rectangular marquee box around all the objects you want to add to the hammock.
  3. Click the Hammock icon Hammock Icon in the toolbar. If one or more objects to be added already belong to a different hammock, a prompt will open. See 3a.
    1. Choose Add to Hammock and click Apply for all objects you wish to remove and add. Otherwise, choose Leave in Existing Hammock.

NOTE: If multiple hammocks were selected when pressing the hammock icon in the toolbar, deselect all but one and retry the operation.

Removing Objects from Hammocks

  1. With the Select Tool Select Tool Icon chosen in the toolbar, select the first activity, milestone, or benchmark on the canvas to remove.
  2. To remove more than one object, press and hold the Shift key and select each additional activity, milestone, or benchmark on the canvas. Alternatively, you can click on a blank portion of the canvas and drag a rectangular marquee box around all the objects you want to remove from the hammock.
  3. Click the down arrow to the right of the Hammock icon Hammock Icon in the toolbar.
  4. Click Remove Object(s) from Hammock(s). A confirmation will open.
  5. Press Remove to confirm. Hammock lengths will adjust accordingly

Hiding Hammocks

  1. With the Select Tool Select Tool Icon chosen in the toolbar, select the hammock you want to hide.
  2. To hide multiple hammocks, press and hold the Shift key and select each additional hammock on the canvas. Alternatively, you can click on a blank portion of the canvas and drag a rectangular marquee box around all the hammocks you want to hide.
  3. Click the down arrow to the right of the Hammock icon Hammock Icon in the toolbar.
  4. Choose Hide Hammock(s).

NOTE: If no member objects or hammocks have been selected, choosing this menu option will hide all hammocks in the schedule.

Showing Hammocks

  1. With the Select Tool Select Tool Icon chosen in the toolbar, select a member activity from the hammock you want to show.
  2. To show more than one hidden hammock, press and hold the Shift key and select additional member objects on the canvas. Alternatively, you can click on a blank portion of the canvas and drag a rectangular marquee box around all the member objects of the hammocks you want to show.
  3. Click the down arrow to the right of the Hammock icon Hammock Icon in the toolbar.
  4. Choose Show Hidden Hammock(s).

NOTE: To show all hidden hammocks, including hammocks which you may not remember the member objects of, choose this menu option without any objects selected on the canvas.

Including/Excluding from Resource Display

  1. With the Select Tool Select Tool Icon chosen in the toolbar, right-click the hammock.
  2. Choose Show Resources for Hammock ONLY or Hide Resources for Hammock ONLY.

Notes

Properties Tab

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The Properties tab is where general settings are changed.

Field Definition
Description A text field for describing the hammock. To stack, use the ENTER key. Descriptions must be less than 120 characters for P6 and less than 100 for Open Plan. Otherwise, they’ll be truncated upon export.
Abbr. Description A text field limited to 48 characters to be displayed on the canvas if the description is too long.
ID A user-entered unique identifier. By default, the ID is not displayed, but it will display before the description, surrounded by brackets, if it is turned on. NetPoint internal ID displayed below.
Codes A window for adding or modifying code assignments.
Resources Hammocks can not be assigned resources.
Progress A hammock cannot be actualized.
Calculated Complete The amount of progressed duration divided by total duration. Only available once any of its member objects are actualized. A warning will be shown if some member objects are not yet actualized as they will throw off the calculations.
Estimated Complete A user-entered estimate of work completed.

Displays Tab

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The Displays tab contains checkboxes for hiding or showing different fields on the canvas.

Field Definition
Description The description of the hammock. Only one of the description fields can be displayed at any given time.
Abbr. Description A shorter description for viewing on the canvas if the description is too long.
ID A user-entered unique identifier. If no description field is displayed but the ID is, then the ID will inherit the formatting of the abbreviated description.
Calc. Complete The amount of progressed duration divided by total duration. Only available if at least one member has been actualized.
Est. Complete A user-entered estimate of work completed.
Duration The amount of time the hammock takes to complete. When actualized, Duration is replaced by Progressed and Remaining durations.
Start Date The date the earliest member object begins.
Start Time The time the earliest member object begins; only enabled if the schedule time unit is smaller than days.
Finish Date The date the latest member object will be completed.
Finish Time The time the  latest member object will be completed; only enabled if the schedule time unit is smaller than days.
Drift Buffer The amount of time the hammock can gain before advancing the finish of its nearest predecessor. Equal to the lowest of all member objects’ drift buffers.
Drift The amount of time  the hammock can gain before advancing the start of the project. Equal to the lowest of all member objects’ drifts.
Float The amount of time  the hammock can be delayed before delaying the completion of the project. Equal to the lowest of all member objects’ floats.
Buffer The amount of time  the hammock can be delayed before delaying the start of its nearest successor. Equal to the lowest of all member objects’ buffers.
Total Float Drift + Float. Equal to the lowest of all member objects’ total floats.

NOTE: Drift, float, buffer, and total float are displayed in that order below the hammock bar on the same line. They may be distinguished from one another by the shape of their bounding boxes: drift points to the left, or project start; float and buffer point to the right, or project completion; and total float points in both directions. Either buffer or total float may be displayed, but not both at the same time. If too many fields are being displayed for the duration of the activity, the data may stack under and perpendicular to the bar. To customize the position of the fields on the canvas, see Repositioning Fields.

Format Tab

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The Format tab contains controls for changing the look of the object on the canvas.

Bar and Nodes
Field Definition
Pattern The pattern of the bar. NOTE: Patterns display best when printed. Depending on your screen resolution, page size, zoom factor, and activity sizes, patterns may show up inconsistently on screen. For best results on screen, use the large bar size.
Color The color of the bar.
Node The color of the start and end nodes.
Descriptions

The description and the abbreviated description can be styled/formatted differently or the same. To make them different, choose Description from the dropdown, customize the options, and then choose Abbr. Description from the dropdown, and customize the options for it. The settings will be saved, and you can switch between the two to confirm.

To make them the same, choose Both from the dropdown, and then customize the options. Note that choosing both will only overwrite the options that receive a change. For example, imagine the description’s font has been formatted to Arial and the abbreviated description’s font has been formatted to Tahoma. If Both is chosen from the dropdown and the font is set to Calibri, then the font for both the description and the abbreviated description will be set to Calibri, but the color, alignment, style, and size will be unaffected, since they didn’t receive any change. This can be confirmed by switching between the description and the abbreviated description and reviewing them without losing any of the changes.

Field Definition
Font The font for the description, abbreviated description, or both.
Color The color of the description, abbreviated description, or both.
Alignment The ailgnment of the description, abbreviated description, or both.
Style The style of the description, abbreviated description, or both.
Size The size of the description, abbreviated description, or both.

Copy/Paste

Format options can be copied and pasted between hammocks and activities/delays, and hammocks can be used as sources for target data element positioning in Global Edit Mode (and vice versa). For more info, seeRepositioning Fields.