Gocator 2300 & 2880 Series
Gocator Web Interface • Scan Setup and Alignment • 75
Mode and Option Description
Video images are processed internally to produce laser profiles and cross-sectional
measurements.
Surface
Outputs 3D point clouds made up of many laser profiles combined together and
performs surface measurements. The sensor uses various methods to generate a
surface (see on page 100). Part detection can be enabled on a surface to identify
discrete parts (see on page 103).
Uniform Spacing
When this option is enabled, ranges are resampled to a uniform spacing along the X
axis (see on page 46 for more information). The size of the spacing can be set in the
Spacing tab (see on page 89).
When the option is disabled, the Gocator outputs unprocessed range data. Ranges are
reported in (x,z) coordinate pairs. Post-profiling processing is disabled. Only a subset of
the measurement tools is available.
Disable this option to extract ranges from the Gocator at the highest possible rate.
When the sensor is in Surface mode, this option is not available.
Acquire Intensity When this option is enabled, an intensity value will be produced for each
laser profile
point
.
Triggers
A trigger is an event that causes a sensor to take a single picture. Triggers are configured in the Trigger
panel on the Scan page.
When a trigger is processed, the laser is strobed and the camera exposes to produce an image. The
resulting image is processed inside the sensor to yield a profile (range/distance information), which can
then be used for measurement.
The laser and camera inside a sensor can be triggered by one of the following sources:
Trigger Source Description
Time
Sensors have an internal clock that can be used to generate fixed-frequency triggers.
The external input can be used to enable or disable the time triggers.
Encoder
An encoder can be connected to provide triggers in response to motion. Three encoder
triggering behaviors are supported. These behaviors are set using the Behavior setting.
Track Backward
A scan is triggered when the target object moves forward. If the target object moves
backward, it must move forward by at least the distance that the target travelled
backward (this distance backward is "tracked"), plus one encoder spacing, to trigger the
next scan.
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