public static Curve OffsetBoundary(PanelFrame panelFrame, double dist)
{
//panelFrame.parameters.cellGap / 2.0 - 1
NurbsCurve boundary = GetPlanarPanelBoundary(panelFrame);
AreaMassProperties amp = AreaMassProperties.Compute(boundary);
if (amp == null)
{
return(null);
}
//RhinoDoc.ActiveDoc.Objects.AddCurve(boundary);
Curve[] offsets = boundary.Offset(CaveTools.averagePoint(boundary.Points.Select(x => x.Location).ToList()), panelFrame.localPlane.Normal, dist, 5, CurveOffsetCornerStyle.Sharp);
if (offsets == null)
{
offsets = boundary.Offset(CaveTools.averagePoint(boundary.Points.Select(x => x.Location).ToList()), panelFrame.localPlane.Normal, -(dist), 5, CurveOffsetCornerStyle.Sharp);
}
AreaMassProperties amp2 = AreaMassProperties.Compute(offsets[0]);
if (amp2 == null || amp2.Area > amp.Area)
{
offsets = boundary.Offset(CaveTools.averagePoint(boundary.Points.Select(x => x.Location).ToList()), panelFrame.localPlane.Normal, -(dist), 5, CurveOffsetCornerStyle.Sharp);
}
amp2 = AreaMassProperties.Compute(offsets[0]);
if (amp2 == null || amp2.Area < 10000)
{
offsets = boundary.Offset(panelFrame.localPlane, -(dist), 5, CurveOffsetCornerStyle.Sharp);
}
if (offsets == null)
{
return(null);
}
return(offsets[0]);
}
private Mesh SelectClosestPanel(Mesh m, Plane plane)
{
if (m.DisjointMeshCount > 1)
{
double minDist = double.MaxValue;
Mesh closest = new Mesh();
foreach (Mesh d in m.SplitDisjointPieces())
{
Point3d centroid = CaveTools.averagePoint(d);
if (centroid.DistanceTo(plane.ClosestPoint(centroid)) < minDist)
{
minDist = centroid.DistanceTo(plane.ClosestPoint(centroid));
closest = d;
}
}
return(closest);
}
else
{
return(m);
}
}