public NurbsCurve ToNurbsCurve()
{
IntPtr const_ptr_this = ConstPointer();
IntPtr ptr_nurbs_crv = UnsafeNativeMethods.ON_BezierCurve_GetNurbForm(const_ptr_this);
return(GeometryBase.CreateGeometryHelper(ptr_nurbs_crv, null) as NurbsCurve);
}
/// <summary>
/// Get a cubic, uniform, non-rational, NURBS curve that is on the
/// edge's limit curve.
/// </summary>
/// <param name="clampEnds">
/// If true, the end knots are clamped.
/// Otherwise the end knots are(-2,-1,0,...., k1, k1+1, k1+2).
/// </param>
/// <returns></returns>
/// <since>7.0</since>
public NurbsCurve ToNurbsCurve(bool clampEnds)
{
IntPtr const_ptr_this = ConstPointer();
IntPtr ptr_nurbscurve = UnsafeNativeMethods.ON_SubDEdge_LimitCurve(const_ptr_this, clampEnds);
return(GeometryBase.CreateGeometryHelper(ptr_nurbscurve, null) as NurbsCurve);
}
/// <summary>
/// Gets the segment curve at the given index.
/// </summary>
/// <param name="index">Index of segment to retrieve.</param>
/// <returns>The segment at the given index or null on failure.</returns>
public Curve SegmentCurve(int index)
{
IntPtr ptr = ConstPointer();
IntPtr pCurve = UnsafeNativeMethods.ON_PolyCurve_SegmentCurve(ptr, index);
return(GeometryBase.CreateGeometryHelper(pCurve, this, index) as Curve);
}
/// <summary>
/// Gets the line-like curve that is the conceptual axis of the extrusion.
/// </summary>
/// <returns>The path as a line curve.</returns>
public LineCurve PathLineCurve()
{
IntPtr pConstThis = ConstPointer();
IntPtr pLineCurve = UnsafeNativeMethods.ON_Extrusion_PathLineCurve(pConstThis);
return(GeometryBase.CreateGeometryHelper(pLineCurve, null) as LineCurve);
}
/// <summary>
/// Gets one of the longitudinal curves along the beam or extrusion.
/// </summary>
/// <param name="ci">The index of this profile.</param>
/// <returns>The profile.</returns>
public Curve WallEdge(ComponentIndex ci)
{
IntPtr pConstThis = ConstPointer();
IntPtr pCurve = UnsafeNativeMethods.ON_Extrusion_WallEdge(pConstThis, ci);
return(GeometryBase.CreateGeometryHelper(pCurve, null) as Curve);
}
/// <summary>
/// Gets one of the longitudinal surfaces of the extrusion.
/// </summary>
/// <param name="ci">The index specifying which precise item to retrieve.</param>
/// <returns>The surface.</returns>
public Surface WallSurface(ComponentIndex ci)
{
IntPtr pConstThis = ConstPointer();
IntPtr pSurface = UnsafeNativeMethods.ON_Extrusion_WallSurface(pConstThis, ci);
return(GeometryBase.CreateGeometryHelper(pSurface, null) as Surface);
}
//[skipping]
//ProfileParamter
//Profile
/// <summary>
/// Gets a transversal isocurve of the extruded profile.
/// </summary>
/// <param name="profileIndex">
/// 0 <= profileIndex < ProfileCount
/// The outer profile has index 0.
/// </param>
/// <param name="s">
/// 0.0 <= s <= 1.0
/// A relative parameter controling which profile is returned.
/// 0 = bottom profile and 1 = top profile.
/// </param>
/// <returns>The profile.</returns>
public Curve Profile3d(int profileIndex, double s)
{
IntPtr pConstThis = ConstPointer();
IntPtr pCurve = UnsafeNativeMethods.ON_Extrusion_Profile3d(pConstThis, profileIndex, s);
return(GeometryBase.CreateGeometryHelper(pCurve, null) as Curve);
}
/// <summary>
/// Constructs a brep form of the extrusion. The outer profile is always the first face of the brep.
/// If there are inner profiles, additional brep faces are created for each profile. If the
/// outer profile is closed, then end caps are added as the last two faces of the brep.
/// </summary>
/// <param name="splitKinkyFaces">
/// If true and the profiles have kinks, then the faces corresponding to those profiles are split
/// so they will be G1.
/// </param>
/// <returns>A brep with a similar shape like this extrustion, or null on error.</returns>
public Brep ToBrep(bool splitKinkyFaces)
{
IntPtr pConstThis = ConstPointer();
IntPtr pBrep = UnsafeNativeMethods.ON_Extrusion_BrepForm(pConstThis, splitKinkyFaces);
return(GeometryBase.CreateGeometryHelper(pBrep, null) as Brep);
}
/// <summary>
/// Constructs a NURBS curve representation of this curve.
/// </summary>
/// <returns>NURBS representation of the curve on success, null on failure.</returns>
public NurbsCurve ToNurbsCurve()
{
IntPtr pConstThis = ConstPointer();
IntPtr pNurbsCurve = UnsafeNativeMethods.ON_BezierCurve_GetNurbForm(pConstThis);
return(GeometryBase.CreateGeometryHelper(pNurbsCurve, null) as NurbsCurve);
}
/// <summary>
/// Removes any nesting of polycurves. If this polycurve has just a single segment, the segment is returned.
/// If, after nest removal, there are adjacent segments which are polylines, they are combined into a single polyline.
/// The new curve may have a different domain from this polycurve. If the start and end segments of a closed input are polylines,
/// the result may have a different seam location since the start and end segments will be combined.
/// </summary>
/// <returns>A new curve that is not necessarily a polycurve if successful, null otherwise. </returns>
/// <seealso cref="RemoveNesting"/>
/// <since>7.0</since>
public Curve CleanUp()
{
IntPtr ptr_const_this = ConstPointer();
IntPtr ptr = UnsafeNativeMethods.RHC_RhinoCleanUpPolyCurve(ptr_const_this);
return(GeometryBase.CreateGeometryHelper(ptr, null) as Curve);
}
public NurbsSurface ToNurbsSurface()
{
IntPtr constPtrThis = ConstPointer();
IntPtr ptrNurbsSurface = UnsafeNativeMethods.ON_BezierSurface_GetNurbForm(constPtrThis);
return(GeometryBase.CreateGeometryHelper(ptrNurbsSurface, null) as NurbsSurface);
}
/// <summary>
/// Gets a rational degree 2 NURBS curve representation
/// of the circle. Note that the parameterization of NURBS curve
/// does not match circle's transcendental paramaterization.
/// Use GetRadianFromNurbFormParameter() and
/// GetParameterFromRadian() to convert between the NURBS curve
/// parameter and the transcendental parameter.
/// </summary>
/// <returns>Curve on success, null on failure.</returns>
public static NurbsCurve CreateFromCircle(Circle circle)
{
IntPtr pNC = UnsafeNativeMethods.ON_NurbsCurve_New(IntPtr.Zero);
int success = UnsafeNativeMethods.ON_Circle_GetNurbForm(ref circle, pNC);
if (0 == success)
{
UnsafeNativeMethods.ON_Object_Delete(pNC);
return(null);
}
return(GeometryBase.CreateGeometryHelper(pNC, null) as NurbsCurve);
}
private Silhouette(IntPtr ptrSilEvent)
{
IntPtr ptr_curve = UnsafeNativeMethods.TLC_SilEvent_ExtractCurve(ptrSilEvent);
Curve = GeometryBase.CreateGeometryHelper(ptr_curve, null) as Curve;
ComponentIndex ci = ComponentIndex.Unset;
var et = UnsafeNativeMethods.TLC_SilEvent_Extract(ptrSilEvent, ref ci);
switch (et)
{
case UnsafeNativeMethods.SilEventType.None:
SilhouetteType = SilhouetteType.None;
break;
case UnsafeNativeMethods.SilEventType.Tangent:
SilhouetteType = SilhouetteType.Tangent;
break;
case UnsafeNativeMethods.SilEventType.Projecting:
SilhouetteType = SilhouetteType.Projecting;
break;
case UnsafeNativeMethods.SilEventType.TanProjects:
SilhouetteType = SilhouetteType.TangentProjects;
break;
case UnsafeNativeMethods.SilEventType.Boundary:
SilhouetteType = SilhouetteType.Boundary;
break;
case UnsafeNativeMethods.SilEventType.Crease:
SilhouetteType = SilhouetteType.Crease;
break;
case UnsafeNativeMethods.SilEventType.DraftCurve:
SilhouetteType = SilhouetteType.DraftCurve;
break;
}
GeometryComponentIndex = ci;
}
/// <summary>
/// Explodes this PolyCurve into a list of Curve segments. This will <b>not explode</b> nested polycurves.
/// Call <see cref="RemoveNesting"/> first if you need all individual segments.
/// </summary>
/// <returns>An array of polycurve segments.</returns>
public Curve[] Explode()
{
Runtime.InteropWrappers.SimpleArrayCurvePointer curves = new Runtime.InteropWrappers.SimpleArrayCurvePointer();
IntPtr pConstThis = ConstPointer();
IntPtr pCurveArray = curves.NonConstPointer();
UnsafeNativeMethods.ON_PolyCurve_SegmentCurves(pConstThis, pCurveArray);
int count = UnsafeNativeMethods.ON_CurveArray_Count(pCurveArray);
Curve[] rc = new Curve[count];
for (int i = 0; i < count; i++)
{
IntPtr pConstSegmentCurve = UnsafeNativeMethods.ON_CurveArray_Get(pCurveArray, i);
if (IntPtr.Zero == pConstSegmentCurve)
{
continue;
}
IntPtr pNewCurve = UnsafeNativeMethods.ON_Curve_DuplicateCurve(pConstSegmentCurve);
rc[i] = GeometryBase.CreateGeometryHelper(pNewCurve, null) as Curve;
}
curves.Dispose();
return(rc);
}
