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GetSplinePts Method (ICurve)

Gets the spline points for this curve.

.NET Syntax

Visual Basic (Declaration) 
Function GetSplinePts( _
   ByVal ParamsArrayIn As Object _
) As Object
Visual Basic (Usage) 
Dim instance As ICurve
Dim ParamsArrayIn As Object
Dim value As Object
value = instance.GetSplinePts(ParamsArrayIn)
object GetSplinePts( 
   object ParamsArrayIn
Object^ GetSplinePts( 
&   Object^ ParamsArrayIn


Array containing the definition of the spline

Return Value

Array containing the spline points



For OLE Automation applications, the ParamsIn argument contains an array defining the spline. This array contains the values for propArray, knotsArray and cntrlPntCoordArray, all packed into a single array (propArray is packed as four integers into the first two elements of the array.) The contents of these arrays is described in ICurve::IGetSplinePtsSize.

The array returned contains the x, y, z location of the spline points:

[ x1, y1, z1, x2, y2, z2,....]

Data passed into this method must satisfy the following requirements:

  • If the curve is periodic, it must not have any repeated knots.
  • If the curve is non-periodic, it must only have repeated knots at its ends.
  • The curve must be cubic or lower degree, non-rational, and have continuous first
    and second derivatives.

NOTE: For a linear or quadratic curve to satisfy these continuity requirements, it must consist of a single segment.


See Also

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