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Editing the Alignment

Select Editing Mode

Before editing the alignment, the user must select an Editing Mode from the option menu. The options are “Insert/Delete” which pertains to a single sequence and allows the user to insert/delete/shift cells within a sequence. Alternatively, the user can select “Insert/Delete Column” which pertains to the alignment and allows the user to insert/delete a column in the alignment.

../_images/select_edit_mode.png

Select Nucleotide and Navigation

Once the user selects an Editing Mode, they can click on a cell in the alignment, where the background of the cell will be highlighted orange. The user can move around the alignment using the arrow keys on their keyboard.

../_images/select_cell.png

Key Navigation:

  • Select nucleotide: Left-click mouse on nucleotide
  • Move right: Right arrow key
  • Move left: Left arrow key
  • Move up: Up arrow key
  • Move down: Down arrow key

Insert/Delete Gapped Positions

Depending on the Editing Mode selected, the user can insert/delete a column or cell. First the user must select a nucleotide in their alignment. Once selected they can insert a cell to the left of that nucleotide by pressing the SpaceBar. If the user prefers deleting a gapped position, they should select the nucleotide to the left of the gapped position and then press the BackSpace or Delete key.

Key Navigation:

  • Insert cell/column: SpaceBar key
  • Delete cell/column: BackSpace or Delete key

Sliding Nucleotides

When in the Insert/Delete Editing Mode, the user has the option to slide nucleotides instead of performing insert and delete operations. They can do so by selecting a nucleotide, then pressing the Shift+Left arrow keys or Shift+Right arrow keys.

Key Navigation:

  • Slide Nucleotides Right: Shift+Right arrow keys
  • Slide Nucleotides Left: Shift+Left arrow keys

Move Sequence

The user can move sequences by clicking on the sequence name and by dragging that sequence up/down in the alignment.

Mouse Navigation:

  • Move Sequence: Drag/Drop using sequence name

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