import Rhino
import scriptcontext

# Prompt the user to select the rail curve
rail_obj_ref = Rhino.Input.RhinoGet.GetOneObject("Select the rail curve", False, Rhino.DocObjects.ObjectType.Curve)
rail = rail_obj_ref[1].Curve()

# Prompt the user to select the section curves
section_obj_refs = Rhino.Input.RhinoGet.GetMultipleObjects("Select the section curves", False, Rhino.DocObjects.ObjectType.Curve)
sections = [obj_ref.Curve() for obj_ref in section_obj_refs[1]]

# Create the sweep
sweep = Rhino.Geometry.Brep.CreateFromSweep(rail, sections, True, 0.001)

# Add the sweep to the document
if sweep:
    for brep in sweep:
        scriptcontext.doc.Objects.AddBrep(brep)

import Rhino
import scriptcontext
import rhinoscriptsyntax as rs


# Promt for picking Curves
crvs = rs.GetObjects("Pick the objects", 4)

#Convert from GUIDS to Rhino Geometry Curves
crvs = [rs.coercecurve(crv) for crv in crvs]

# Create a loft
loft = Rhino.Geometry.Brep.CreateFromLoft(crvs, Rhino.Geometry.Point3d.Unset, 
                                            Rhino.Geometry.Point3d.Unset,
                                            Rhino.Geometry.LoftType.Normal,False)

# If loft creation was successful, add it to the document
if loft:
    for brep in loft:
        scriptcontext.doc.Objects.AddBrep(brep)
    scriptcontext.doc.Views.Redraw()
else:
    print("Failed to create loft.")

import Rhino
import scriptcontext
import rhinoscriptsyntax as rs

# Prompt to select a polysurface
brep_id = rs.GetObject("Select a polysurface", 16)

# Convert from GUID to Rhino Geometry Brep
brep = rs.coercebrep(brep_id)

# Cap the planar holes
capped_brep = brep.CapPlanarHoles(scriptcontext.doc.ModelAbsoluteTolerance)

# Bake the capped brep to the document
if capped_brep:
    scriptcontext.doc.Objects.AddBrep(capped_brep)
    # Delete the input polysurface
    scriptcontext.doc.Objects.Delete(brep_id, True)