File – Import – Digitizer – Step Scan (When VIVID 9i is Selected)
Chapter 2
File
Menu
9i
9 Place the Calibration Chart on the rotating stage and scan the Calibration Chart.
Position the chart with the black line facing the VIVID, and place it on the rotating stage so that both entire side surfaces are observed in the viewfinder.
•This step is not necessary if the Calibration Chart data has already been imported when this dialog box is opened.
•To acquire data from the object first then acquire the calibration chart data, perform steps 9 and 10 after completing step 15. In this case, select cur- rent chart angle from [Current Angle] and click [Scan] button, or click [Chart Scan] button to acquire chart data.
•The [Chart Scan] button appears when “Free” is selected for [Rotation Step] in
10 Click the [Scan] button.
The Calibration Chart will be scanned. When the data is recognized as Calibration Chart data successfully:
qThe Calibration Chart data will be stored under the file name of chart∗∗∗∗.cdk (“∗∗∗∗” are the last four digits of the main unit’s serial num- ber) in the Model folder.
wThe data acquired from the subsequent scans will be
e The [AutoScan] checkbox will be displayed.
Note
Make sure that the acquired range image looks like the good example given below. If it resembles the bad example, click the [Scan] button again to
Calibration chart S
Memo
If it is not possible to perform calibration using calibration chart S, use calibration chart M.
•Steps 9 and 10 are not necessary when importing existing the Calibration Chart data (i.e. data that has coordinate parameters). Clicking the [Import CDK] button will open the file read dialog box.
The Calibration Chart data (chart∗∗∗∗.cdk) that has been saved can be imported.
q Select the file to be imported. w Click on the [Open] button.
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•An error message will be displayed if the data is not recognized as the Calibration Chart data suc- cessfully.
•When “Free” has been selected using the [Rota- tion Step] of the [Stage Parameter], please use the [Chart Scan] button instead of the [Scan] button.
Good example | Bad example |
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