Sightline & Seating RakeSet the number of rows, the row depth and the C-value. Get the riser of every row so each seat sees over the heads in front, drawn as a live section with the sightlines.

SheetT-31

MethodC-value sightline

Unitsmm

By@smart_tools_every_week

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Rows Row depth mm

Focus to row 1 mm Focus above row 1 floor mm

Seated eye height mm C-value C-value mm Round each riser up to

Focus point: the lowest point everyone must see (stage edge or bottom of the screen). Row depth is back to back. Eye height 1100 mm is typical for a seated adult; use 1000 to 1050 for a low-slung cinema seat.

Total rise–

Biggest riser–

Hall depth–

Real min C–

Section

Checks

Row schedule mm

Row	From focus	Riser	Floor	C