Just off square, leaning landscape: a chapter tile holds a short line or two
of text, which reads better wide than tall.
Chosen by looking at what it produces rather than by taste. Across the
plausible kiosk screens — 11" and 13" iPads either way up, and a 1080p
display — 1.25 is the value that puts ten to twelve chapters in a steady
4x3 on every landscape screen and 3x4 in portrait, which is the familiar
app-grid matrix. Raising it to 1.45 flips landscape to 3x4 with cells
almost twice as wide as tall; lowering it to 1.1 starts wobbling between
4x3 and 5x3 as the count changes, and a layout that reshuffles when a
chapter is added is worse than one that is slightly off-ideal.
Preferred cell shape, width ÷ height.
Just off square, leaning landscape: a chapter tile holds a short line or two of text, which reads better wide than tall.
Chosen by looking at what it produces rather than by taste. Across the plausible kiosk screens — 11" and 13" iPads either way up, and a 1080p display — 1.25 is the value that puts ten to twelve chapters in a steady 4x3 on every landscape screen and 3x4 in portrait, which is the familiar app-grid matrix. Raising it to 1.45 flips landscape to 3x4 with cells almost twice as wide as tall; lowering it to 1.1 starts wobbling between 4x3 and 5x3 as the count changes, and a layout that reshuffles when a chapter is added is worse than one that is slightly off-ideal.