Gocator 2300 & 2880 Series
Gocator Web Interface • Measurement • 173
Multiple measurements can be performed on the entire surface or each discrete object, limited only by
the available CPU resources.
The frame of reference for the coordinate system of the detected object can be set to Sensor or Part in
the Part Detection panel (see on page 103). This setting determines what coordinate system the region
of interest for a measurement is positioned in, as well as the coordinate reference used to output
measurement values.
For example, if you need to measure the average height in a certain location relative to the sensor's field
of view regardless of the objects passing under the sensor, the frame of reference should be set to
Sensor. This is typical in applications where a wide web of material is continuously scanned, such as
paper, rubber, fabrics, etc. If on the other hand you need to measure the average height in a certain
location of a scanned object, the frame of reference should be set to Part. This is typical in applications
where discrete objects pass under the sensor and specific locations on the objects need to be inspected.
Measurement Tools
Bounding Box
The Bounding Box tool provides measurements related to the smallest rectangle box that encapsulates
the part (for example, X position, Y position, width, length, etc.).
The measurement value can be compared with minimum and maximum constraints to yield a decision.
See Adding and Removing Tools on page 134 for instructions on how to add measurement tools.
A bounding box can be vertical or rotated. A vertical bounding box provides the absolute position from
which the Position centroids tools are referenced.
The vertical bounding box X and Y correspond to the part frame of reference origin. For this
reason all X and Y measurements (except Bounding Box GlobalX and GlobalY) are referenced
to this point when Frame of Reference on the Part Detection panel is set to Part. See Part
Detection on page 103 for more information.
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