API Reference > FacetModeler Namespace > Classes > Segment2D Class > Segment2D Methods > Segment2D::getTangent Method
Segment2D::getTangent Method
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Parameters |
Description |
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double dParam |
[in] Parameter for calculation. |
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OdGeVector2d& vTangent |
[out] Calculated tangent as OdGeVector2d. |
eOk if the tangent calculated successfully, or a corresponding error type otherwise.
Gets the tangent vector at the specified parameter.
Point parameter in the range [ 0, 1 ].
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