Chapter 4 Reference Manual
Ranger E/D
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Ranger Studio
4.4.4 Collection of 3D Data
When you have a suitable exposure time and the ROI have been set, the system is ready
for 3D data generation. The first step is to change to measurement mode as follows:
Before starting, there should be an object under the laser line.
28. If still running, click Stop in the control bar of Ranger Studio main window.
29. Choose Measurement from Configuration.
The main window contains a number of visualization tabs, depending on the configu-
ration.
30. Click on a Range tab.
31. Click Start in Ranger Studio.
The Visualization tab shows a grayscale image where a single profile is repeated from
the top to the bottom of the window. You can view the profile in a Profile zoom window
by right-clicking and choosing from the zoom menu if you like.
32. Move the object back and forth through the laser plane.
Collection of 3D profiles describing the object’s shape is displayed in the visualization
tab. It may be necessary to change parameters to improve the image quality and per-
formance.
New 3D Profiles are being collected constantly, overwriting what is displayed in the visuali-
zation window. In order to get an entire 3D image of the object, an external enable signal
will come at handy. A photoelectric switch or similar device can be connected to the
Ranger. Information on signal requirements and pin configuration can be found in chapter
9 “Hardware Description”.
Now, we assume a photoelectric switch or similar is connected to the Ranger.
33. Click Stop in Ranger Studio.
34. Select the Measurement configuration in the parameter tree.
35. Select the Use Enable parameter and change the value to 1.
This means that measurements will be started when the photoelectric switch is active.
36. Click Start in Ranger Studio to start the Ranger again and keep the switch active as
long as the object is in the laser plane.
37. Move the object thru the laser plane at a constant speed.
Now a 3D image (i.e. collection of 3D profiles) is displayed on the visualization tab. If
the whole object does not fit into one image, try to increase the object speed.
38. If you want to save the configuration from the Ranger, click Stop to stop the acquisi-
tion.
39. Click Save parameters and give the file a name.
40. Click Disconnect.
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