Duration

Define threshold, minimum and maximum duration constraints for each swath.

• Threshold:  If an acquisition is shorter than the defined threshold, it will be cancelled
• Maximum:  If an acquisition is longer than the defined maximum, it will be shortened to comply with the constraint.
• Minimum: If an acquisition is shorter, then it will be extended to comply with the constraint

  Constraint OFF	Duration Constraint: Min = 60 sec, Max = 90 sec

• Rest: Optional minimum interruption interval in the acquisition sequence. For example, some satellites can acquire a maximum strip length, and then interrupt acquisition for a given Rest time, needed for emptying their on-board flash memory into the recorder, prior to restart acquiring.

  Constraint OFF	Max Duration = 20 sec	Max Duration= 20 sec, Rest = 30 sec

• Max Frames: Maximum number of frames per acquisition. If an acquisition has more frames than the defined maximum, it will be shortened to comply with the constraint
• Trim Side: Defines the side for applying the constraint, whether end of swath, start of swath or center (both sides). It is also possible to select two additional options
  • REMOVE: will delete the conflicting item from the collection with attempting to resize it
  • MAX COVER: will select new start and end times maximizing area coverage.

Trim Side = START	Trim Side = CENTER	Trim Side = END

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