/// <summary>
/// Constructs a new NURBS surfaces from torus data.
/// </summary>
/// <param name="torus">A torus value.</param>
/// <returns>A new NURBS surface, or null on error.</returns>
public static NurbsSurface CreateFromTorus(Torus torus)
{
IntPtr pNurbsSurface = UnsafeNativeMethods.ON_Torus_GetNurbForm(ref torus);
if (IntPtr.Zero == pNurbsSurface)
{
return(null);
}
return(new NurbsSurface(pNurbsSurface, null));
}
/// <summary>
/// Constructs a new surface of revolution from the values of a torus.
/// </summary>
/// <param name="torus">A torus.</param>
/// <returns>A new surface of revolution, or null if any of the inputs is invalid or on error.</returns>
/// <since>5.0</since>
public static RevSurface CreateFromTorus(Torus torus)
{
IntPtr pRevSurface = UnsafeNativeMethods.ON_Torus_RevSurfaceForm(ref torus);
if (IntPtr.Zero == pRevSurface)
{
return(null);
}
return(new RevSurface(pRevSurface, null));
}
public static Rhino.Commands.Result AddTorus(Rhino.RhinoDoc doc)
{
double major_radius = 4.0;
double minor_radius = 2.0;
Rhino.Geometry.Plane plane = Rhino.Geometry.Plane.WorldXY;
Rhino.Geometry.Torus torus = new Rhino.Geometry.Torus(plane, major_radius, minor_radius);
Rhino.Geometry.RevSurface revsrf = torus.ToRevSurface();
if (doc.Objects.AddSurface(revsrf) != Guid.Empty)
{
doc.Views.Redraw();
return Rhino.Commands.Result.Success;
}
return Rhino.Commands.Result.Failure;
}
public static Rhino.Commands.Result AddTorus(Rhino.RhinoDoc doc)
{
const double major_radius = 4.0;
const double minor_radius = 2.0;
Rhino.Geometry.Plane plane = Rhino.Geometry.Plane.WorldXY;
Rhino.Geometry.Torus torus = new Rhino.Geometry.Torus(plane, major_radius, minor_radius);
Rhino.Geometry.RevSurface revsrf = torus.ToRevSurface();
if (doc.Objects.AddSurface(revsrf) != Guid.Empty)
{
doc.Views.Redraw();
return(Rhino.Commands.Result.Success);
}
return(Rhino.Commands.Result.Failure);
}
/// <summary>Tests a surface to see if it is a portion of a torus and returns the torus.</summary>
/// <param name="torus">On success, the torus parameters are filled in.</param>
/// <param name="tolerance">tolerance to use when checking.</param>
/// <returns>true if the surface is a portion of a torus.</returns>
public bool TryGetTorus(out Torus torus, double tolerance)
{
torus = new Torus();
IntPtr pThis = ConstPointer();
return UnsafeNativeMethods.ON_Surface_IsTorus(pThis, ref torus, tolerance, true);
}
/// <summary>Tests a surface to see if it is a portion of a torus within RhinoMath.ZeroTolerance and returns the torus.</summary>
/// <param name="torus">On success, the torus parameters are filled in.</param>
/// <returns>true if the surface is a portion of a torus.</returns>
public bool TryGetTorus(out Torus torus)
{
return TryGetTorus(out torus, RhinoMath.ZeroTolerance);
}
/// <summary>Determines if the surface is a portion of a torus within a given tolerance.</summary>
/// <param name="tolerance">tolerance to use when checking.</param>
/// <returns>true if the surface is a portion of a torus.</returns>
public bool IsTorus(double tolerance)
{
Torus torus = new Torus();
IntPtr pThis = ConstPointer();
return UnsafeNativeMethods.ON_Surface_IsTorus(pThis, ref torus, tolerance, false);
}
/// <summary>
/// Draw a wireframe torus.
/// </summary>
/// <param name="torus">Torus to draw.</param>
/// <param name="color">Color to draw with.</param>
/// <param name="thickness">Thickness (in pixels) of torus wires.</param>
public void DrawTorus(Torus torus, System.Drawing.Color color, int thickness)
{
int argb = color.ToArgb();
UnsafeNativeMethods.CRhinoDisplayPipeline_DrawTorus(m_ptr, ref torus, argb, thickness);
}
/// <summary>
/// Constructs a new surface of revolution from the values of a torus.
/// </summary>
/// <param name="torus">A torus.</param>
/// <returns>A new surface of revolution, or null if any of the inputs is invalid or on error.</returns>
public static RevSurface CreateFromTorus(Torus torus)
{
IntPtr pRevSurface = UnsafeNativeMethods.ON_Torus_RevSurfaceForm(ref torus);
if (IntPtr.Zero == pRevSurface)
return null;
return new RevSurface(pRevSurface, null);
}
/***************************************************/
public static void RenderRhinoWires(RHG.Torus torus, Rhino.Display.DisplayPipeline pipeline, Color bhColour, int thickness)
{
pipeline.DrawTorus(torus, bhColour);
}
/***************************************************/
public static void RenderRhinoMeshes(RHG.Torus torus, Rhino.Display.DisplayPipeline pipeline, DisplayMaterial material)
{
pipeline.DrawBrepShaded(torus.ToRevSurface().ToBrep(), material);
}
/***************************************************/
public static BHG.Torus FromRhino(this RHG.Torus torus)
{
return(new BHG.Torus {
Centre = torus.Plane.Origin.FromRhino(), Axis = torus.Plane.ZAxis.FromRhino(), RadiusMajor = torus.MajorRadius, RadiusMinor = torus.MinorRadius
});
}
/***************************************************/
public static RHG.Mesh CreatePreviewMesh(RHG.Torus torus, RHG.MeshingParameters parameters)
{
return(CreatePreviewMesh(torus.ToRevSurface().ToBrep(), parameters));
}