protected override void SolveInstance(IGH_DataAccess DA)
{
ResultElement res = null;
if (!DA.GetData(0, ref res))
{
return;
}
DA.SetData(0, new Line(res.sPos, res.ePos));
DA.SetData(1, CrossSectionCasts.GetRhinoString(res.SectionPropertyString));
DA.SetData(2, res.elNormal);
}
public override bool CastFrom(object source)
{
if (source == null)
{
return(false);
}
//Cast from WR_IXSec
if (typeof(WR_IXSec).IsAssignableFrom(source.GetType()))
{
Value = (WR_IXSec)source;
return(true);
}
//Cast from String
if (typeof(string).IsAssignableFrom(source.GetType()))
{
WR_IXSec xSec;
if (CrossSectionCasts.CrossSectionFormString((string)source, out xSec))
{
Value = xSec;
return(true);
}
}
//Cast from GH_String
if (typeof(GH_String).IsAssignableFrom(source.GetType()))
{
WR_IXSec xSec;
if (CrossSectionCasts.CrossSectionFormString(((GH_String)source).Value, out xSec))
{
Value = xSec;
return(true);
}
}
return(false);
}
private WR_IXSec CrossSectionFormString(string section)
{
CrossSectionCasts.CrossSectionType cst = CrossSectionCasts.CrossSectionTypeFromString(section);
switch (cst)
{
case CrossSectionCasts.CrossSectionType.RectangularSolid:
return(RectangularCrossSection(section));
case CrossSectionCasts.CrossSectionType.RHS:
return(RHSCrossSection(section));
case CrossSectionCasts.CrossSectionType.CSS:
break;
case CrossSectionCasts.CrossSectionType.CHS:
break;
default:
break;
}
throw new NotImplementedException();
}
private bool CreateSectionSweeps(List <ResultElement> res, string loadComb, bool showDeformed, double sFac)
{
// Clear lists
ResetDrawingData();
List <Point3d> pts = new List <Point3d>(); // Points to create curve from
List <Brep> sSweeps = new List <Brep>(res.Count);
foreach (ResultElement re in res)
{
List <Curve> crvs;
List <Curve> sweepCrvs = new List <Curve>();
// Start and end caps
List <Curve> sCap = new List <Curve>();
List <Curve> eCap = new List <Curve>();
if (CrossSectionCasts.GetSectionPropertyCrvs(re.SectionPropertyString, out crvs))
{
pts.Clear();
// Create rail
Curve rail;
if (showDeformed)
{
for (int i = 0; i < re.pos.Count; i++)
{
Point3d pt = CalcDeformedPosition(re, i, loadComb, sFac);
// Add points to list
pts.Add(pt);
}
rail = Curve.CreateInterpolatedCurve(pts, 3);
}
else
{
// Add points to list for transform of curves to positions
for (int i = 0; i < re.pos.Count; i++)
{
pts.Add(CalcUndeformedPosition(re, i));
}
rail = (Curve) new Line(re.sPos, re.ePos).ToNurbsCurve();
}
foreach (Curve crv in crvs)
{
// Rotation to local coordinates
Transform rotTrans = Transform.Rotation(Vector3d.XAxis, Vector3d.YAxis, Vector3d.ZAxis, re.LocalX, re.LocalY, re.elNormal);
crv.Transform(rotTrans);
sweepCrvs.Clear();
for (int i = 0; i < re.pos.Count; i++)
{
Curve c = (Curve)crv.Duplicate();
Transform defTrans;
if (showDeformed)
{
// Rotation to deformed shape
Vector3d defTan = CalcDeformedTangent(rail, pts[i]);
defTrans = GetDeformationTransform(re, defTan, i, loadComb, sFac);
}
else
{
defTrans = Transform.Identity;
}
// Calculate move to element positions
Transform tTrans = Transform.Translation((Vector3d)pts[i]);
// Perform transformation
c.Transform(defTrans);
c.Transform(tTrans);
// Add curves
_secCrvs.Add(c);
sweepCrvs.Add(c);
}
//Add curves to cap curves
if (sweepCrvs.Count > 0)
{
sCap.Add(sweepCrvs[0]);
eCap.Add(sweepCrvs[sweepCrvs.Count - 1]);
}
//Create sweep
Brep[] b = Brep.CreateFromSweep(rail, sweepCrvs, true, Rhino.RhinoDoc.ActiveDoc.ModelAbsoluteTolerance);
_breps.AddRange(b);
}
// Cap sections
_breps.Add(Utilities.CapSections(sCap));
_breps.Add(Utilities.CapSections(eCap));
}
}
_bb = new BoundingBox(pts);
return(true);
}
static public List <Brep> CreateSectionSweeps(WR_Elem3dRcp er)
{
List <Curve> crvs;
List <Brep> eSBreps = new List <Brep>();
// Start and end caps
List <Curve> sCap = new List <Curve>();
List <Curve> eCap = new List <Curve>();
if (CrossSectionCasts.GetSectionPropertyCrvs(er.GetSectionString(), out crvs))
{
// Get x vector
Point3d sPos = er.GetStartPos().ConvertToRhinoPoint();
Point3d ePos = er.GetEndPos().ConvertToRhinoPoint();
Vector3d elX = new Vector3d(ePos.X - sPos.X, ePos.Y - sPos.Y, ePos.Z - sPos.Z);
double elLength = elX.Length;
elX.Unitize();
Vector3d move = elX * elLength;
// Get normal (z vector)
WR_Vector elWrZ = er.GetElementNormal();
Vector3d elZ = new Vector3d(elWrZ.X, elWrZ.Y, elWrZ.Z);
// Get y vector
Vector3d elY = Vector3d.CrossProduct(elZ, elX);
// Rotation to local coordinates
Transform rotTrans = Transform.Rotation(Vector3d.XAxis, Vector3d.YAxis, Vector3d.ZAxis, elX, elY, elZ);
// Add start and end point to a list
List <Point3d> endPts = new List <Point3d> {
sPos, ePos
};
foreach (Curve crv in crvs)
{
// Rotate to local coordinates
crv.Transform(rotTrans);
crv.Translate((Vector3d)sPos);
// Create and add extrusion
Brep extrusion = Extrusion.CreateExtrusion(crv, move).ToBrep();
eSBreps.Add(extrusion);
// Add curve to cap list
sCap.Add(crv);
// Move to end and add
Curve eCrv = (Curve)crv.Duplicate();
eCrv.Translate(move);
eCap.Add(eCrv);
}
// Cap sections
eSBreps.Add(CapSections(sCap));
eSBreps.Add(CapSections(eCap));
}
return(eSBreps);
}