| Enumerator |
|---|
| DIRECTION_UNKNOWN | Direction of sign is unknown (must not be used in ground truth).
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| DIRECTION_OTHER | Other (specified but known) direction.
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| DIRECTION_NO_DIRECTION | No arrow direction is specified.
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| DIRECTION_DIRECT_0_DEG | An arrow pointing straight ahead in the direction of driving.
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| DIRECTION_DIRECT_45_DEG_RIGHT | A straight arrow pointing 45 degrees to the right in the direction of driving.
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| DIRECTION_DIRECT_45_DEG_LEFT | A straight arrow pointing 45 degrees to the left in the direction of driving.
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| DIRECTION_DIRECT_90_DEG_RIGHT | A straight arrow pointing 90 degrees to the right in the direction of driving.
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| DIRECTION_DIRECT_90_DEG_LEFT | A straight arrow pointing 90 degrees to the left in the direction of driving.
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| DIRECTION_DIRECT_135_DEG_RIGHT | A straight arrow pointing 135 degrees to the right in the direction of driving.
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| DIRECTION_DIRECT_135_DEG_LEFT | A straight arrow pointing 135 degrees to the left in the direction of driving.
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| DIRECTION_DIRECT_180_DEG | A straight arrow pointing opposite to the direction of driving.
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| DIRECTION_TURN_45_DEG_RIGHT | A curved arrow pointing 45 degrees to the right in the direction of driving.
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| DIRECTION_TURN_45_DEG_LEFT | A curved arrow pointing 45 degrees to the left in the direction of driving.
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| DIRECTION_TURN_90_DEG_RIGHT | A curved arrow pointing 90 degrees to the right in the direction of driving.
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| DIRECTION_TURN_90_DEG_LEFT | A curved arrow pointing 90 degrees to the left in the direction of driving.
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| DIRECTION_TURN_135_DEG_RIGHT | A curved arrow pointing 135 degrees to the right in the direction of driving.
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| DIRECTION_TURN_135_DEG_LEFT | A curved arrow pointing 135 degrees to the left in the direction of driving.
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| DIRECTION_TURN_180_DEG_RIGHT | A u-turn arrow towards the right.
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| DIRECTION_TURN_180_DEG_LEFT | A u-turn arrow towards the left.
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| DIRECTION_CIRCLE_0_DEG | An arrow that includes a fraction of a circle and points forward in the direction of driving.
Used typically for roundabouts.
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| DIRECTION_CIRCLE_45_DEG_RIGHT | An arrow that includes a fraction of a circle and points in 45 degrees to the right in the direction of driving.
Used typically for roundabouts.
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| DIRECTION_CIRCLE_45_DEG_LEFT | An arrow that includes a fraction of a circle and points in 45 degrees to the left in the direction of driving.
Used typically for roundabouts.
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| DIRECTION_CIRCLE_90_DEG_RIGHT | An arrow that includes a fraction of a circle and points in 90 degrees to the right in the direction of driving.
Used typically for roundabouts.
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| DIRECTION_CIRCLE_90_DEG_LEFT | An arrow that includes a fraction of a circle and points in 90 degrees to the left in the direction of driving.
Used typically for roundabouts.
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| DIRECTION_CIRCLE_135_DEG_RIGHT | An arrow that includes a fraction of a circle and points in 135 degrees to the right in the direction of driving.
Used typically for roundabouts.
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| DIRECTION_CIRCLE_135_DEG_LEFT | An arrow that includes a fraction of a circle and points in 135 degrees to the left in the direction of driving.
Used typically for roundabouts.
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| DIRECTION_CIRCLE_180_DEG | An arrow that includes a fraction of a circle and points in the opposite to the direction of driving.
Can be used in detours in roundabouts.
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| DIRECTION_KEEP_LEFT_TO_TURN_0_DEG | An arrow that includes a fraction of a square and points forward in direction of driving.
Can be used for detours where you have to use a separate left lane to drive ahead.
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| DIRECTION_KEEP_RIGHT_TO_TURN_0_DEG | An arrow that includes a fraction of a square and points forward in direction of driving.
Can be used for detours where you have to use a separate right lane to drive ahead.
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| DIRECTION_KEEP_LEFT_TO_TURN_90_DEG_RIGHT | An arrow that includes a fraction of a square and points in 90 degrees to the right in direction of driving.
Can be used for detours where you have to use a separate left lane to turn right.
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| DIRECTION_KEEP_RIGHT_TO_TURN_90_DEG_LEFT | An arrow that includes a fraction of a square and points in 90 degrees to the right in direction of driving.
Can be used for detours where you have to use a separate right lane to turn left.
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| DIRECTION_KEEP_LEFT_DRIVE_BACK_TO_TURN_90_DEG_RIGHT | An arrow that includes a fraction of a square and points in 90 degrees to the right in direction of driving.
Can be used for detours where you have to use a separate left lane and you have to drive back to turn right.
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| DIRECTION_KEEP_RIGHT_DRIVE_BACK_TO_TURN_90_DEG_LEFT | An arrow that includes a fraction of a square and points in 90 degrees to the right in direction of driving.
Can be used for detours where you have to use a separate right lane and you have to drive back to turn left.
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