public static List <Brep> ExtrudeMembersToBrep(RFMember iMember, List <RFCroSec> iCroSecs, double length_segment, out string msg)
{
var outBreps = new List <Brep>();
msg = "";
// Check input
var cs_indeces = iCroSecs.Select(x => x.No);
if (iMember.EndCrossSectionNo == 0) // In case of tension members, etc.
{
iMember.EndCrossSectionNo = iMember.StartCrossSectionNo;
}
if (!(cs_indeces.Contains(iMember.StartCrossSectionNo)) || (!(cs_indeces.Contains(iMember.EndCrossSectionNo))))
{
msg = $"Provide cross sections for member No {iMember.No}.";
return(null);
}
// Get base geometry
var crosecs1 = iCroSecs.Where(x => x.No == iMember.StartCrossSectionNo).ToList()[0].Shape;
var crosecs2 = iCroSecs.Where(x => x.No == iMember.EndCrossSectionNo).ToList()[0].Shape;
var baseline = iMember.BaseLine.ToCurve();
// Check geometry
if ((crosecs1.Sum(x => x.SpanCount) != crosecs2.Sum(x => x.SpanCount)) || (crosecs1.Count != crosecs2.Count))
{
msg = $"Provide similar cross sections for member No {iMember.No}.";
return(null);
}
// Generate tween curves - still on the origin!
List <Curve> segments;
int nCroSecsInter;
length_segment = Math.Max(length_segment, 0.05); // Check minimum vlaue
if (baseline.Degree <= 1)
{
nCroSecsInter = 2;
}
else
{
nCroSecsInter = Math.Max((int)(baseline.GetLength() / length_segment), 2);
}
var loft_crvs = Component_ExtrudeMembers.GenerateCroSecs(baseline, crosecs1, crosecs2, nCroSecsInter, 0.001, 0.001, out segments);
// Orient cross sections
loft_crvs = Component_ExtrudeMembers.OrientCroSecs(loft_crvs, segments, nCroSecsInter, iMember.Frames[0], crosecs1.Count);
// Extrude members
for (int i = 0; i < segments.Count; i++)
{
for (int j = 0; j < crosecs1.Count; j++)
{
outBreps.AddRange(Brep.CreateFromLoft(loft_crvs[i][j], Point3d.Unset, Point3d.Unset, LoftType.Normal, false));
}
}
return(outBreps);
}
