Optical Footprint Calculator
v2.2
Platform Parameters
Altitude AGL 3000 m
Height above ground level
Camera Offset 60°
Forward look angle from vertical
Field of View 23°
Camera half-angle (full cone width)
Flight Parameters
Speed 450 kn
True airspeed in knots
Overlap 25%
Desired frame overlap (0 = no overlap)
Footprint Results
Semi-axis A
—
metres (along track)
Semi-axis B
—
metres (cross track)
Centre offset
—
metres ahead of A/C
Ground dist.
—
metres (nadir point)
Shot interval
—
seconds
Effective overlap
—
at current speed
Top View — Ground Footprint (ellipse to scale)
Side View — Camera Geometry
GEOMETRY VALID