/// <summary>
/// This is the method that actually does the work.
/// </summary>
/// <param name="DA">The DA object is used to retrieve from inputs and store in outputs.</param>
protected override void SolveInstance(IGH_DataAccess DA)
{
structure = new StructureType();
if (!DA.GetData(0, ref structure))
{
return;
}
structure.GeneratePrincipalStressLines();
List <Curve> mainStresses = new List <Curve>();
for (int i = 0; i < structure.NumberOfElements; i++)
{
if (Math.Abs(structure.PrincipalStresses[i].X) < Math.Abs(structure.PrincipalStresses[i].Y))
{
mainStresses.Add(structure.PrincipalStressLinesY[i].ToNurbsCurve());
}
else
{
mainStresses.Add(structure.PrincipalStressLinesX[i].ToNurbsCurve());
}
}
DA.SetDataList(0, mainStresses);
}