Rotation Test

Same mark displayed at different rotation angles to test orientation detection.

What This Tests

Scanner's ability to detect the Index Line (at 12 o'clock position) and correctly orient the mark for decoding regardless of physical rotation. The pink arrow indicates where the Index Line is located.

Mark at 0° 0° (Standard)
Mark at 45° 45°
Mark at 90° 90°
Mark at 180° 180°
Mark at 270° 270°
Mark at 137° 137° (Random)

Index Line

The Index Line is a small marker at the 12 o'clock position that hangs down into the Outer Quiet Zone. It provides rotation reference so the scanner knows where spoke 0 begins, ensuring correct data decoding regardless of physical orientation.

All marks encode: https://gf-code.com/test/rotation

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