/// <summary>
/// Extends a curve on a surface.
/// </summary>
/// <param name="side">The end of the curve to extend.</param>
/// <param name="face">BrepFace that contains the curve.</param>
/// <returns>New extended curve result on success, null on failure.</returns>
public Curve ExtendOnSurface(CurveEnd side, BrepFace face)
{
if (face == null) { throw new ArgumentNullException("face"); }
if (CurveEnd.None == side)
return null;
int _side = 0;
if (CurveEnd.End == side)
_side = 1;
else if (CurveEnd.Both == side)
_side = 2;
IntPtr pConstCurve = ConstPointer();
IntPtr pConstFace = face.ConstPointer();
IntPtr rc = UnsafeNativeMethods.RHC_RhinoExtendCrvOnSrf(pConstCurve, pConstFace, _side);
return GeometryBase.CreateGeometryHelper(rc, null) as Curve;
}
/// <summary>
/// Pulls this curve to a brep face and returns the result of that operation.
/// </summary>
/// <param name="face">A brep face.</param>
/// <param name="tolerance">A tolerance value.</param>
/// <returns>An array containing the resulting curves after pulling. This array could be empty.</returns>
/// <exception cref="ArgumentNullException">If face is null.</exception>
public Curve[] PullToBrepFace(BrepFace face, double tolerance)
{
if (face == null)
throw new ArgumentNullException("face");
IntPtr pConstCurve = ConstPointer();
IntPtr pConstBrepFace = face.ConstPointer();
using (Runtime.InteropWrappers.SimpleArrayCurvePointer curves = new SimpleArrayCurvePointer())
{
IntPtr pCurves = curves.NonConstPointer();
UnsafeNativeMethods.RHC_RhinoPullCurveToFace(pConstCurve, pConstBrepFace, pCurves, tolerance);
return curves.ToNonConstArray();
}
}
/// <summary>
/// Intersects a curve with a Brep face.
/// </summary>
/// <param name="curve">A curve.</param>
/// <param name="face">A brep face.</param>
/// <param name="tolerance">Fitting and near miss tolerance.</param>
/// <param name="overlapCurves">A overlap curves array argument. This out reference is assigned during the call.</param>
/// <param name="intersectionPoints">A points array argument. This out reference is assigned during the call.</param>
/// <returns>true on success, false on failure.</returns>
public static bool CurveBrepFace(Curve curve, BrepFace face, double tolerance, out Curve[] overlapCurves, out Point3d[] intersectionPoints)
{
overlapCurves = new Curve[0];
intersectionPoints = new Point3d[0];
Runtime.InteropWrappers.SimpleArrayPoint3d outputPoints = new Runtime.InteropWrappers.SimpleArrayPoint3d();
IntPtr outputPointsPtr = outputPoints.NonConstPointer();
Runtime.InteropWrappers.SimpleArrayCurvePointer outputCurves = new Runtime.InteropWrappers.SimpleArrayCurvePointer();
IntPtr outputCurvesPtr = outputCurves.NonConstPointer();
IntPtr curvePtr = curve.ConstPointer();
IntPtr facePtr = face.ConstPointer();
bool rc = UnsafeNativeMethods.RHC_RhinoCurveFaceIntersect(curvePtr, facePtr, tolerance, outputCurvesPtr, outputPointsPtr);
if (rc)
{
overlapCurves = outputCurves.ToNonConstArray();
intersectionPoints = outputPoints.ToArray();
}
outputPoints.Dispose();
outputCurves.Dispose();
return rc;
}
