Gocator Snapshot Sensors: User Manual
Gocator Web Interface • 93
Alignment States
A Gocator can be in one of two alignment states:Unaligned and Aligned.
State Explanation
Unaligned The sensor or sensor system is not aligned. 3Dpoint clouds are reported in sensor
coordinates.
Aligned
The sensor is aligned using the alignment procedure (see Aligning Sensors below) or by
manually modifying the values under Transformation in the Sensor tab on the Scan
page (for more information, see Transformations on page 82).
Alignment State
An indicator on the Alignment panel display ALIGNED or UNALIGNED, depending on the Gocator's
state.
Alignment Types
Gocator sensors support two types of alignment: stationary or moving.
Type Description
Stationary
Stationary is used when the sensor mounting is constant over time and between
scans, for example, when the sensor is mounted in a permanent position over a
conveyor belt.
Moving
Moving is used when the sensor's position relative to the object scanned is
always changing, for example, when the sensor is mounted on a robot arm
moving to different scanning locations.
Aligning Sensors
Alignment can be used to compensate for mounting inaccuracies by aligning sensor data to a common
reference surface. For more information on alignment types, see Alignment Types above.
To prepare for alignment:
1. Choose an alignment reference in the Manage page if you have not already done so.
See Alignment Reference on page 65 for more information.
2. Go to the Scan page.
3. Choose a mode other than Video mode in the Scan Mode panel.
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