Gocator Line Profile Sensors: User Manual
How Gocator Works • 54
Resampling to uniform spacing reduces the complexity for downstream algorithms to process the profile
data from the Gocator, but places a higher processing load on the sensor's CPU.
When uniform spacing is not enabled, no processing is required on the sensor. This frees up processing
resources in the Gocator, but usually requires more complicated processing on the client side. Ranges in
this case are reported in (X, Z) coordinate pairs.
Most built-in measurement tools in the Gocator in Profile mode operate on profiles with uniform
spacing. Alimited number of tools can operate on profiles without uniform spacing. For more
information on the profile tools, see Profile Measurement on page 166.
When uniform spacing is enabled, in the Ethernet output, only the range values (Z) are reported
and the X positions can be reconstructed through the array index at the receiving end (the
client). For more information on Ethernet output, see Ethernet Output on page 244.
For information on enabling uniform spacing, see Scan Modes on page 87.
Data Generation and Processing
After scanning a target, Gocator can process the scan data to allow the use of more sophisticated
measurement tools. This section describes the following concepts:
l
Surface generation
l
Part detection
l
Sectioning
Surface Generation
Gocator laser profile sensors create a single profile with each exposure. These sensors can combine a
series of profiles gathered as a target moves under the sensor to generate a height map, or surface, of
the entire target.
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