public void Opt(ref double[] q, ref List <Point3d> gp, ref List <Curve> tp, ref List <Curve> sp, ref List <int> lp, ref List <Vector3d> lv, ref double[] cs, ref double compliance, ref double[] rfload, ref int seed)
{
FDMinput.Input(ref gp, ref tp, ref sp, ref lp, ref lv, ref fix, ref free, ref Pfix, ref C, ref istart, ref iend, ref rfload);
uint nm = (uint)tpinit.Count;
//FDMfunc.Sens(ref q, ref gp, ref tp, ref lp, ref cs, ref compliance, ref rfload, ref fix, ref free, ref Pfix, ref C, ref istart, ref iend, ref scompliance, ref srfload);
using (var solver = new NLoptSolver(NLoptAlgorithm.LD_SLSQP, nm, .1e-5, 100))
{
var qmin = new double[nm];
for (int i = 0; i < nm; i++)
{
qmin[i] = q[i] - .1e3;
}
var qmax = new double[nm];
for (int i = 0; i < nm; i++)
{
qmax[i] = q[i] + .1e3;
}
solver.SetLowerBounds(qmin);
solver.SetUpperBounds(qmax);
solver.SetMinObjective(SObjFun);
solver.AddEqualZeroConstraint(sConFun0, .1e-5);
solver.AddEqualZeroConstraint(sConFun1, .1e-5);
Random Random = new Random(seed);
for (int i = 0; i < nm; i++)
{
q[i] += (Random.NextDouble() - 0.5) * 10;
}
double?finalScore = 0;
var result = solver.Optimize(q, out finalScore);
FDMfunc.Sens(ref q, ref gp, ref tp, ref lp, ref cs, ref compliance, ref rfload, ref fix, ref free, ref Pfix, ref C, ref istart, ref iend, ref scompliance, ref srfload);
Console.WriteLine("============================================");
Console.WriteLine(result);
for (int i = 0; i < nm; i++)
{
Console.WriteLine("q[{0}]={1}", i, q[i]);
}
Console.WriteLine("compliance={0}", compliance);
Console.WriteLine("rfload[0]={0}", rfload[0]);
Console.WriteLine("rfload[1]={0}", rfload[1]);
}
}
/// <summary>
/// This is the method that actually does the work.
/// </summary>
/// <param name="DA">The DA object can be used to retrieve data from input parameters and
/// to store data in output parameters.</param>
protected override void SolveInstance(IGH_DataAccess DA)
{
if (iterating == 0)
{
if (!DA.GetDataList(0, gpinit))
{
return;
}
if (!DA.GetDataList(1, tpinit))
{
return;
}
if (!DA.GetDataList(2, spinit))
{
return;
}
if (!DA.GetDataList(3, lpinit))
{
return;
}
if (!DA.GetDataList(4, lvinit))
{
return;
}
///make HARD copy where original and copy are independent
//gp = new List<Point3d>();
foreach (Point3d p in gpinit)
{
gp.Add(new Point3d(p));
}
//tp = new List<Curve>();
foreach (Curve c in tpinit)
{
tp.Add(c);
}
//sp = new List<Curve>();
foreach (Curve c in spinit)
{
sp.Add(c);
}
//lp = new List<int>();
foreach (int i in lpinit)
{
lp.Add(i);
}
//lv = new List<Vector3d>();
foreach (Vector3d v in lvinit)
{
lv.Add(new Vector3d(v));
}
int nl = lp.Count; //number of nodal loads
int nl2 = lv.Count; //number of loaded vectors
if (nl != nl2)
{
AddRuntimeMessage(GH_RuntimeMessageLevel.Error, "The number of LP should be equal to that of LV");
return;
}
double[] q = new double[tpinit.Count];
FDMinit.Init(ref q, ref gpinit, ref tpinit, ref spinit, ref lpinit, ref lvinit);
for (int i = 0; i < gpinit.Count; i++)
{
if (gpinit[i].Z != 0)
{
break;
}
if (i == gpinit.Count - 1)
{
FDMinit.Init2D(ref q, ref gpinit, ref tpinit, ref spinit, ref lpinit, ref lvinit);
}
}
FDMinput.Input(ref gp, ref tp, ref sp, ref lp, ref lv, ref fix, ref free, ref Pfix, ref C, ref istart, ref iend, ref rfload);
DA.SetDataList(0, gpinit);
DA.SetDataList(1, tpinit);
DA.SetDataList(2, q);
DA.SetData(3, compliance);
DA.SetDataList(4, cs);
}
if (iterating == 1)
{
if (!DA.GetData(5, ref seed))
{
return;
}
double[] q = new double[tpinit.Count];
FDMinit.Init(ref q, ref gpinit, ref tpinit, ref spinit, ref lpinit, ref lvinit);
for (int i = 0; i < gpinit.Count; i++)
{
if (gpinit[i].Z != 0)
{
break;
}
if (i == gpinit.Count - 1)
{
FDMinit.Init2D(ref q, ref gpinit, ref tpinit, ref spinit, ref lpinit, ref lvinit);
}
}
Opt(ref q, ref gp, ref tp, ref sp, ref lp, ref lv, ref cs, ref compliance, ref rfload, ref seed);
DA.SetDataList(0, gp);
DA.SetDataList(1, tp);
DA.SetDataList(2, q);
DA.SetData(3, compliance);
DA.SetDataList(4, cs);
}
}