frame_index in Focus_​Stack

Name: frame_indexVersion Id:
Description: When in a Video class, the frame_index attribute specifies the sequence number of this frame in the context of the entire video, i.e. the first frame of the video would be index 1, up to frame_count. When in a Focus_Stack class, the frame_index attribute specifies the index of the first frame used to make up the focus stack. M2020 requested to allow negative values which has been seen as returned values during the mission.
Namespace Id: imgSteward: imgClass Name: Focus_​StackType: ASCII_​Integer
Minimum Value: -9223372036854775808Maximum Value: 9223372036854775807Minimum Characters: NoneMaximum Characters: None
Unit of Measure Type: NoneDefault Unit Id: NoneAttribute Concept: NoneConceptual Domain: INTEGER
Status: ActiveNillable: falsePattern: None
Permissible Value(s)No Values