Synthetic terrain — no real file needed. Pick a preset to validate the cross-section chart.
Gaussian Hill
Peak ~40m at centre. Transect through centre should show symmetric bell curve.
A → B: (-50, 0) → (50, 0)Expected distance: 100 mExpected rise: ~40 mPoints: 1,681Triangles: 3,200
Elevation profile (sampled at x=0, across Z axis):
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