Gocator 2300 & 2880 Series
Gocator Web Interface • Scan Setup and Alignment • 91
When Materials is set to Custom, the following settings can be configured:
Setting Description
Spot Threshold
The minimum increase in intensity level between neighbouring pixels for a pixel to be
considered the start of a potential spot.
This setting is important for filtering false profile spots generated by sunlight reflection.
Spot Width Max
The maximum number of pixels a spot is allowed to span.
This setting can be used to filter out data caused by background light if the unwanted
light is wider than the laser and does not merge into the laser itself. A lower Spot
Width Max setting reduces the chance of false detection, but limits the ability to detect
features/surfaces that elongate the spot.
Spot Selection
Determines the spot selection method.
Best selects the strongest spot in a given column on the imager.
Top selects the topmost spot or the one farthest to the left on the imager, and Bottom
selects the bottommost spot or the one farthest to the right on the imager. These
options can be useful in applications where there are reflections, flying sparks or
smoke that are always on one side of the laser.
None performs no spot filtering. If multiple spots are detected in an imager column,
they are left as is. This option is only available if Uniform Spacing is disabled in the
Scan Mode panel on the Scan page; for more information on uniform spacing, see
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