API Reference > FacetModeler Namespace > Classes > Contour2D Class > Contour2D Methods > Contour2D::getTangentAtDist Method
Contour2D::getTangentAtDist Method
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Parameters |
Description |
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double dDist |
[in] Distance. |
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OdGeVector2d& vTangent |
[out] Resulting tangent vector as OdGeVector2d. |
eOk if the tangent is calculated, or a corresponding result state otherwise.
Gets a tangent at the distance along the contour starting from the start point.
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