9. Checkpoints and value modes
9.1. Named checkpoints
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.
9.2. Highlighting differences from the baseline snapshot
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.
9.3. The "Delta", "Deviation %" and "Original" modes
Three mutually exclusive buttons on the "Display Options" toolbar (Ctrl+1, Ctrl+2, Ctrl+3):
| Mode | What the cells show |
|---|---|
| Delta | Current − original |
| Deviation % | Relative deviation |
| Original | Values of the baseline snapshot |
- 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.
Updated November 14, 2026 · for TCEPro 0.40.0