Chapter 2
Build – Subsample – Adaptively – Element
Reducing the Number of Points of the Selected Element Adaptively
This command is used to reduce the data of the points of the selected element so that surface points density in
Memo
The elements selected before execution of this command will be divided to triangular polygons.
Operating Procedure
1 | From the element list, select one desired |
| element. |
2 | From the [Build] menu, select [Subsam- |
ple]
•The selected element will be ready to be displayed in all windows. It will be displayed if it is not displayed in the active window or the windows for which all the elements are set to be displayed.
Build Menu
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Set the parameters.
Click the [Apply] button.
The data of the points comprising the selected element will be reduced according to the parameter settings so that surface points density in
•The polygons comprising the selected element will be triangulated.
Memo
In some cases, the number of vertices present after data reduction may not match the specified number.
•If you change the parameter settings and click the [Apply] button again, the data comprising the element will be reduced according to the new parameter settings.
5 Click the [OK] button.
This will confirm execution of data reduction and close the dialog box.
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Parameters for
Number of points | Reduces the current number of points to the specified number. When the [Apply] button is clicked, | ||
| the current number of vertices will be displayed. (The default for the “Number of points” param- | ||
| eter is set so that the number of selected points will be reduced by 50%.) | ||
Range of errors | The program reduces data in accordance with the value that you enter. The value serves as a gen- | ||
| eral yardstick for the amount of | ||
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| Memo |
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| The default setting is “0.2”. | ||
Fix boundary | Among the points comprising the selected element, the points present on the boundary of the hole | ||
| will be excluded from data reduction. | ||
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