Gocator Line Profile Sensors: User Manual
Gocator Web Interface • 179
Model Editing tab on Part Matching panel
The following settings are used to configure part matching using edge detection.
Setting Description
Match Algorithm Determines which algorithm the sensor will use to attempt a match. Set this to
Edge for edge detection.
Image Type
Determines what kind of data the Gocator will use to detect edges and therefore
for part matching. Choose this setting based on the kinds of features that will be
used for part matching:
Heightmap: Surface elevation information of the scanned part will be used to
determine edges. This setting is most commonly used.
Intensity: Intensity data (how light or dark areas of a scanned part are) will be
used to determine edges. Use this setting if the main distinguishing marks are
printed text or patterns on the parts. The Acquire Intensity option must be
checked in the Scan Mode panel on the Scan page for this option to be
available.
Z Angle Corrects the orientation of the model to accurately match typical orientation and
simplify measurements.
Target Sensitivity (Target
Matching tab)
Controls the threshold at which an edge point is detected on the target's
heightmap or intensity image. (The "target"is any part that is matched to the
model and which will subsequently be measured if the match is accepted.)
Setting Target Sensitivity higher results in more edge points. Setting it lower
results in fewer edge points and results in higher performance. Use this setting to
exclude noise from the detected edges and to make sure distinguishing features
are properly detected.
The level of this setting should generally be similar to the level of Model
Sensitivity.
Model Sensitivity
(Model Editing tab)
Controls the threshold at which an edge point is detected on the heightmap or
intensity image used to create the model. Setting Model Sensitivity higher
results in more edge points. Setting it lower results in fewer edge points and
results in higher performance. Use this setting to exclude noise from the detected
edges and to make sure distinguishing features are properly detected.
The level of this setting should generally be similar to the level of Target
Sensitivity.
Changing this setting causes the edge detection algorithm to run again at the new
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