protected override void SolveInstance(IGH_DataAccess DA)
{
// Declare a variable for the input
Line line = new Line();
double springConstant = 0;
// Use the DA object to retrieve the data inside the first input parameter.
// If the retieval fails (for example if there is no data) we need to abort.
if (!DA.GetData(0, ref line))
{
return;
}
if (!DA.GetData(1, ref springConstant))
{
return;
}
// if (!DA.GetDataList<GHBarRelease>(2, releases)) { return; }
// if (!DA.GetDataList<GHBarGroup>(2, groups)) { return; }
GH_Spring spring = new GH_Spring(line.From, line.To, springConstant);
DA.SetData(0, spring);
}
private void AppendCouplingInformation_SPR_Line(StringBuilder sb, GH_Spring spr)
{
sb.AppendFormat(" SLNS");
if (spr.GroupId > 0)
{
sb.AppendFormat(" GRP {0}", spr.GroupId);
}
sb.AppendFormat(" CA {0}", spr.Axial_stiffness);
sb.AppendFormat(" CD {0}", spr.Rotational_stiffness);
if (!spr.Direction.IsTiny())
{
sb.AppendFormat(" DRX {0} DRY {1} DRZ {2}", spr.Direction.X, spr.Direction.Y, spr.Direction.Z);
}
sb.AppendLine();
}
public void Setup()
{
model = new GH_Model(ModelType.Truss2D, new List <GH_Element>(), new List <GH_Load>(), new List <GH_Support>());
springConstant = 10;
force = new Vector3d(0, 0, 10);
moment = new Vector3d(0, 0, 0);
point1 = new Point3d(0, 0, 0);
point2 = new Point3d(0, 0, 10);
point3 = new Point3d(0, 0, 20);
spring1 = new GH_Spring(point1, point2, springConstant);
spring2 = new GH_Spring(point2, point3, springConstant);
nodalLoad1 = new GH_NodalLoad(point2, force, moment);
nodalLoad2 = new GH_NodalLoad(point3, force, moment);
nodeSupport1 = new GH_NodeSupport(point1, true, true, true, true, true, true);
nodeSupport2 = new GH_NodeSupport(point2, true, true, false, true, true, true);
}
private void AppendCouplingInformation_SPR_Point(StringBuilder sb, GH_Spring spr)
{
sb.Append(" SPTS");
//sb.Append(" TYP 'C'");
sb.AppendFormat(" CP {0}", spr.Axial_stiffness);
sb.AppendFormat(" CM {0}", spr.Rotational_stiffness);
if (!spr.Direction.IsTiny())
{
sb.AppendFormat(" DX {0} DY {1} DZ {2}", spr.Direction.X, spr.Direction.Y, spr.Direction.Z);
}
if (spr.GroupId > 0)
{
sb.AppendFormat(" GRP {0}", spr.GroupId);
}
sb.AppendLine();
}
