protected override void SolveInstance(IGH_DataAccess DA)
{
Glulam m_glulam = null;
if (!DA.GetData("Glulam", ref m_glulam))
{
this.AddRuntimeMessage(GH_RuntimeMessageLevel.Error, "No glulam input.");
return;
}
Mesh m = m_glulam.GetBoundingMesh();
double m_ratio = 200.0;
DA.GetData("Ratio", ref m_ratio);
if (m_ratio <= 0.0)
{
this.AddRuntimeMessage(GH_RuntimeMessageLevel.Error, "Ratio values must be greater than 0.");
return;
}
double min_rx = m_glulam.Data.LamWidth * m_ratio;
double min_ry = m_glulam.Data.LamHeight * m_ratio;
double max_kx = 1 / min_rx;
double max_ky = 1 / min_ry;
List <double> f_values = new List <double>();
double t;
for (int i = 0; i < m.Vertices.Count; ++i)
{
m_glulam.Centreline.ClosestPoint(m.Vertices[i], out t);
Plane frame = m_glulam.GetPlane(t);
Vector3d offset = m.Vertices[i] - frame.Origin;
double offset_x = offset * frame.XAxis;
double offset_y = offset * frame.YAxis;
Vector3d kv = m_glulam.Centreline.CurvatureAt(t);
double k = kv.Length;
kv.Unitize();
double r = (1 / k) - offset * kv;
k = 1 / r;
double kx = k * (kv * frame.XAxis);
double ky = k * (kv * frame.YAxis);
f_values.Add(Math.Max(Math.Abs(kx / max_kx), Math.Abs(ky / max_ky)));
}
DA.SetData("Mesh", m);
DA.SetDataList("Factor", f_values);
}
protected override void SolveInstance(IGH_DataAccess DA)
{
Glulam m_glulam = null;
if (!DA.GetData("Glulam", ref m_glulam))
{
this.AddRuntimeMessage(GH_RuntimeMessageLevel.Error, "No glulam input.");
return;
}
Mesh m = m_glulam.GetBoundingMesh();
List <double> kx_values = new List <double>();
List <double> ky_values = new List <double>();
double t;
for (int i = 0; i < m.Vertices.Count; ++i)
{
m_glulam.Centreline.ClosestPoint(m.Vertices[i], out t);
Plane frame = m_glulam.GetPlane(t);
Vector3d offset = m.Vertices[i] - frame.Origin;
double offset_x = offset * frame.XAxis;
double offset_y = offset * frame.YAxis;
Vector3d kv = m_glulam.Centreline.CurvatureAt(t);
double k = kv.Length;
kv.Unitize();
double r = (1 / k) - offset * kv;
k = 1 / r;
double kx = k * (kv * frame.XAxis);
double ky = k * (kv * frame.YAxis);
kx_values.Add(Math.Abs(kx));
ky_values.Add(Math.Abs(ky));
}
DA.SetData("Mesh", m);
DA.SetDataList("Curvature X", kx_values);
DA.SetDataList("Curvature Y", ky_values);
}
