| Parameter | Name Type |
Description |
|---|---|---|
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el alt |
Permitted object types |
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c circle |
Circle or arc K |
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e ellips |
Ellipse or elliptical arc |
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l line |
Line L |
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a angle |
Angle W |
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posi ref_value |
Selector |
The selction point determines the location of the tangent.
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|
|---|---|
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