Chart type · Comparison
City 3d
How to read it
Rows run front to back and columns left to right; a taller, brighter column is a bigger value. The three highest cells print their figure, and the table carries every cell. On the live chart, drag to turn it.
Best for
Patterns across two axes where the peaks and the quiet spots are the story — rush hours, busy seasons.
When not to use it
Every cell must be read exactly, or the grid is a calendar or a single row (a heatmap shows those better).
The common mistake
Comparing two columns far apart by height alone: the back rows stand further away, so use the colour key and the table.
Example data
When London's roads are busiest
Vehicles per hour on a typical central London road. Taller and brighter = busier.
| Row | 6am | 8am | 10am | 12pm | 2pm | 5pm | 8pm | 10pm |
|---|---|---|---|---|---|---|---|---|
| Mon | 620 | 1,810 | 1,240 | 1,180 | 1,220 | 1,960 | 1,010 | 540 |
| Tue | 640 | 1,850 | 1,260 | 1,190 | 1,240 | 1,990 | 1,030 | 560 |
| Wed | 630 | 1,840 | 1,250 | 1,200 | 1,250 | 2,010 | 1,050 | 570 |
| Thu | 650 | 1,860 | 1,270 | 1,220 | 1,280 | 2,050 | 1,110 | 620 |
| Fri | 600 | 1,720 | 1,300 | 1,350 | 1,420 | 2,140 | 1,240 | 760 |
| Sat | 320 | 610 | 980 | 1,290 | 1,340 | 1,210 | 980 | 720 |
| Sun | 260 | 450 | 820 | 1,140 | 1,180 | 1,050 | 840 | 520 |
Stronger colour is higher: 260 to 2,140. Hover or tab through the cells to read them.
The sample dataset this format ships with, drawn the way the site draws every clip's numbers — hover, sort or step through it. Figures as given by its source line: Illustrative example (rounded figures, not fact-checked).
Examples
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