9. Checkpoints and value modes

Edit → Checkpoints → Create for Active Map…, Create for Session… (all parsed maps), Manage… (rename, delete). Up to 20 checkpoints per map and 50 per project; a name of 1 to 64 characters.

Checkpoints are archival snapshots for reference. A map cannot be returned to a checkpoint from the interface; use undo or "Revert Map to Default" for that.

The "Display Options" toolbar → Highlight Differences from Baseline (Ctrl+Shift+D): changed cells are highlighted with the colors from the settings. Independent of the baseline chart (§11.5). During a comparison it counts the differences relative to the comparison file.

Next to it, the Map Color Scale button turns the value-based coloring of table cells and charts on and off. It is on by default, and the chosen state is remembered between runs. The palette chosen in the settings stays as it is.

Three mutually exclusive buttons on the "Display Options" toolbar (Ctrl+1, Ctrl+2, Ctrl+3):

• Pressing again turns the mode off; while a mode is on, cell editing is unavailable.
• If there are no differences from the original, the buttons are unavailable.
• The mode applies to this map's window.
• During a comparison (§13) the reference point is the comparison file; the third button shows "1" (off) / "2" (on). When the comparison ends, the mode is reset.

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