private Result CreateTrapezoidFin(RhinoDoc doc, XmlNode compNd, double parentRadius, double xStart, double xEnd)
{
Result result = Rhino.Commands.Result.Failure;
XmlElement compEle = compNd as XmlElement;
XmlNodeList subCompNds = compNd.SelectNodes("subcomponents/*");
int count = 0;
PositionType positionType = PositionType.Top;
double position = 0;
double rotation = 0;
double cant = 0;
double thickness = 0;
double rootChord = 0;
double tipChord = 0;
double sweepLength = 0;
double height = 0;
double tabHeight = 0;
double tabLength = 0;
RelativePositionType tabPositionType = RelativePositionType.Front;
double tabPosition = 0;
List <Point3d> points = new List <Point3d>();
foreach (XmlNode nd in compEle.ChildNodes)
{
if (nd.Name == "fincount")
{
count = int.Parse(nd.InnerText);
}
else if (nd.Name == "thickness")
{
thickness = Double.Parse(nd.InnerText);
}
else if (nd.Name == "rotation")
{
rotation = Double.Parse(nd.InnerText);
}
else if (nd.Name == "position")
{
position = Double.Parse(nd.InnerText);
positionType = (PositionType)Enum.Parse(typeof(PositionType), ((XmlElement)nd).GetAttribute("type"), true);
}
else if (nd.Name == "cant")
{
cant = Double.Parse(nd.InnerText);
}
else if (nd.Name == "tabheight")
{
tabHeight = Double.Parse(nd.InnerText);
}
else if (nd.Name == "tablength")
{
tabLength = Double.Parse(nd.InnerText);
}
else if (nd.Name == "tabposition")
{
tabPosition = Double.Parse(nd.InnerText);
tabPositionType = (RelativePositionType)Enum.Parse(typeof(RelativePositionType), ((XmlElement)nd).GetAttribute("relativeto"), true);
}
else if (nd.Name == "rootchord")
{
rootChord = Double.Parse(nd.InnerText);
}
else if (nd.Name == "tipchord")
{
tipChord = Double.Parse(nd.InnerText);
}
else if (nd.Name == "sweeplength")
{
sweepLength = Double.Parse(nd.InnerText);
}
else if (nd.Name == "height")
{
height = Double.Parse(nd.InnerText);
}
}
points.Add(new Point3d(0, 0, 0));
points.Add(new Point3d(sweepLength, height, 0));
points.Add(new Point3d(sweepLength + tipChord, height, 0));
points.Add(new Point3d(rootChord, 0, 0));
CreateFinGeometry(doc, parentRadius, xStart, xEnd, ref result, count, positionType, position, cant, thickness, rootChord, tabHeight, ref tabLength, tabPositionType, points);
return(result);
}
private static void CreateFinGeometry(RhinoDoc doc, double parentRadius, double xStart, double xEnd, ref Result result, int count, PositionType positionType, double position, double cant, double thickness, double rootChord, double tabHeight, ref double tabLength, RelativePositionType tabPositionType, List <Point3d> points)
{
if (tabHeight * tabLength > 0)
{
List <Point3d> tabPts = new List <Point3d>(); // add points from aft end of fin.
double remainingLength = rootChord - tabLength;
if (remainingLength < 0)
{
tabLength = rootChord;
remainingLength = 0;
}
switch (tabPositionType)
{
case RelativePositionType.Front:
tabPts.Add(new Point3d(points[0].X + tabLength, 0, 0));
tabPts.Add(new Point3d(points[0].X + tabLength, -tabHeight, 0));
tabPts.Add(new Point3d(points[0].X, -tabHeight, 0));
tabPts.Add(new Point3d(points[0].X, 0, 0));
break;
case RelativePositionType.Center:
remainingLength /= 2;
tabPts.Add(new Point3d(points[0].X + tabLength + remainingLength, 0, 0));
tabPts.Add(new Point3d(points[0].X + tabLength + remainingLength, -tabHeight, 0));
tabPts.Add(new Point3d(points[0].X + remainingLength, -tabHeight, 0));
tabPts.Add(new Point3d(points[0].X + remainingLength, 0, 0));
tabPts.Add(new Point3d(points[0].X, 0, 0));
break;
case RelativePositionType.End:
tabPts.Add(new Point3d(points[0].X + tabLength, 0, 0));
tabPts.Add(new Point3d(points[0].X + tabLength, -tabHeight, 0));
tabPts.Add(new Point3d(points[0].X + remainingLength, -tabHeight, 0));
tabPts.Add(new Point3d(points[0].X + remainingLength, 0, 0));
break;
}
points.AddRange(tabPts);
}
Brep brep = null;
Polyline curve = new Polyline(points);
double xLoc = 0;
switch (positionType)
{
case PositionType.Top:
xLoc = xStart + position;
break;
case PositionType.Bottom:
xLoc = xEnd - rootChord + position;
break;
case PositionType.Middle:
xLoc = (xEnd - xStart) / 2 + position;
break;
case PositionType.After:
xLoc = xEnd + position;
break;
case PositionType.Absolute:
xLoc = position;
break;
}
List <Brep> breps = new List <Brep>();
if (curve.IsClosed)
{
Extrusion ext = Extrusion.Create(curve.ToNurbsCurve(), thickness, true);
brep = ext.ToBrep();
Transform trans = Transform.Translation(new Vector3d(0, parentRadius, thickness / 2));
brep.Transform(trans);
trans = Transform.Rotation(cant * Math.PI / 180.0, Vector3d.YAxis, new Point3d(rootChord / 2, 0, 0));
brep.Transform(trans);
trans = Transform.Translation(new Vector3d(xLoc, 0, 0));
brep.Transform(trans);
breps.Add(brep);
double deltaAng = 360 / count;
for (int i = 1; i < count; i++)
{
Transform copyTrans = Transform.Rotation(i * deltaAng * Math.PI / 180.0, Vector3d.XAxis, new Point3d(0, 0, 0));
Brep newBrep = brep.DuplicateBrep();
newBrep.Transform(copyTrans);
breps.Add(newBrep);
}
foreach (Brep brp in breps)
{
if (doc.Objects.AddBrep(brp) != Guid.Empty)
{
result = Rhino.Commands.Result.Success;
}
}
doc.Views.Redraw();
}
}
private Result CreateFreeFormFin(RhinoDoc doc, XmlNode compNd, double parentRadius, double xStart, double xEnd)
{
Result result = Rhino.Commands.Result.Failure;
XmlElement compEle = compNd as XmlElement;
XmlNodeList subCompNds = compNd.SelectNodes("subcomponents/*");
int count = 0;
PositionType positionType = PositionType.Top;
double position = 0;
double rotation = 0;
double cant = 0;
double thickness = 0;
double tabHeight = 0;
double tabLength = 0;
RelativePositionType tabPositionType = RelativePositionType.Front;
double tabPosition = 0;
List <Point3d> points = new List <Point3d>();
foreach (XmlNode nd in compEle.ChildNodes)
{
if (nd.Name == "fincount")
{
count = int.Parse(nd.InnerText);
}
else if (nd.Name == "thickness")
{
thickness = Double.Parse(nd.InnerText);
}
else if (nd.Name == "rotation")
{
rotation = Double.Parse(nd.InnerText);
}
else if (nd.Name == "position")
{
position = Double.Parse(nd.InnerText);
positionType = (PositionType)Enum.Parse(typeof(PositionType), ((XmlElement)nd).GetAttribute("type"), true);
}
else if (nd.Name == "cant")
{
cant = Double.Parse(nd.InnerText);
}
else if (nd.Name == "tabheight")
{
tabHeight = Double.Parse(nd.InnerText);
}
else if (nd.Name == "tablength")
{
tabLength = Double.Parse(nd.InnerText);
}
else if (nd.Name == "tabposition")
{
tabPosition = Double.Parse(nd.InnerText);
tabPositionType = (RelativePositionType)Enum.Parse(typeof(RelativePositionType), ((XmlElement)nd).GetAttribute("relativeto"), true);
}
else if (nd.Name == "finpoints")
{
foreach (XmlNode ptNd in nd.ChildNodes)
{
XmlElement ptEle = ptNd as XmlElement;
double x = Double.Parse(ptEle.GetAttribute("x"));
double y = Double.Parse(ptEle.GetAttribute("y"));
points.Add(new Point3d(x, y, 0.0));
}
}
}
double rootChord = points[points.Count - 1].X - points[0].X;
CreateFinGeometry(doc, parentRadius, xStart, xEnd, ref result, count, positionType, position, cant, thickness, rootChord, tabHeight, ref tabLength, tabPositionType, points);
return(result);
}