4x4buddy — map analyser

Drag & drop a debug ndjson to begin
3D track — color = speed (m/s) · z = altitude ×5 · car lean = leaky-integrated gyro (τ=6 s)
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Sample

index
time
lat
lon
altitude
accuracy

Motion

speed
heading
gyro x
gyro y
gyro z

Attitude (gyro)

roll
pitch
yaw

OBD

rpm
coolant
oil temp
batt v
throttle

Track summary

samples
duration
distance
max speed
elev gain
elev loss
alt min/max
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