The Range Filter operator crops a point cloud to an axis-aligned box, discarding every point outside its bounds. Along with cropping, it measures how much of the box is occupied, so it doubles as a simple presence or zone trigger.
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### Operator Properties
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- **Bounds**: the minimum and maximum corners of the box.
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- **Invert**: remove the points inside the box instead of outside it.
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- **Bypass**: analyse the box and update its outputs without filtering the cloud.
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- **Count Threshold**: outputs stay at zero until more than this many points are in range, which ignores sensor noise.
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- **Max Fill**: the point count that represents a 'full' box when calculating **Fill Value**.
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### Outputs
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- **Point Count**: the number of points in range.
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- **Fill Value**: point count divided by Max Fill.
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- **Proportion**: the fraction of the input cloud that is in range.
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- **Occupied Bounds**: the bounding box of the points in range (not available when inverted).
