/// <summary>
/// Divide the curve into specific length segments.
/// </summary>
/// <param name="segmentLength">The length of each and every segment (except potentially the last one).</param>
/// <param name="includeStart">If true, then the points at the start of the curve is included.</param>
/// <returns>Array containing division curve parameters if successful, null on failure.</returns>
/// <example>
/// <code source='examples\vbnet\ex_dividebylength.vb' lang='vbnet'/>
/// <code source='examples\cs\ex_dividebylength.cs' lang='cs'/>
/// <code source='examples\py\ex_dividebylength.py' lang='py'/>
/// </example>
public double[] DivideByLength(double segmentLength, bool includeStart)
{
IntPtr pConstThis = ConstPointer();
SimpleArrayDouble outputParams = new SimpleArrayDouble();
IntPtr outputParamsPtr = outputParams.NonConstPointer();
bool success = UnsafeNativeMethods.RHC_RhinoDivideCurve3(pConstThis, segmentLength, includeStart, outputParamsPtr);
double[] rc = null;
if (success)
{
rc = outputParams.ToArray();
}
outputParams.Dispose();
return success ? rc : null;
}
/// <summary>
/// Several types of Curve can have the form of a polyline
/// including a degree 1 NurbsCurve, a PolylineCurve,
/// and a PolyCurve all of whose segments are some form of
/// polyline. IsPolyline tests a curve to see if it can be
/// represented as a polyline.
/// </summary>
/// <param name="polyline">
/// If true is returned, then the polyline form is returned here.
/// </param>
/// <param name="parameters">
/// if true is returned, then the parameters of the polyline
/// points are returned here.
/// </param>
/// <returns>true if this curve can be represented as a polyline; otherwise, false.</returns>
public bool TryGetPolyline(out Polyline polyline, out double[] parameters)
{
polyline = null;
parameters = null;
SimpleArrayPoint3d outputPts = new SimpleArrayPoint3d();
int pointCount = 0;
IntPtr pCurve = ConstPointer();
IntPtr outputPointsPointer = outputPts.NonConstPointer();
Rhino.Runtime.InteropWrappers.SimpleArrayDouble tparams = new SimpleArrayDouble();
IntPtr ptparams = tparams.NonConstPointer();
UnsafeNativeMethods.ON_Curve_IsPolyline2(pCurve, outputPointsPointer, ref pointCount, ptparams);
if (pointCount > 0)
{
polyline = Polyline.PolyLineFromNativeArray(outputPts);
parameters = tparams.ToArray();
}
tparams.Dispose();
outputPts.Dispose();
return (pointCount != 0);
}