How to control the style of AddSweep1?

Rhino Developer
1

Is there a way to control whether the results of AddSweep1 outputs freeform or roadlike? It seems to me that freeform is the only output I’m seeing.

Thanks,

Dan

2

Although there is an option for sweep style in RhinoScript’s AddSweep1, RhinoPython rhinoscriptsyntax’s AddSweep1 is using an overload that doesn’t control the sweep style:
https://developer.rhino3d.com/api/RhinoCommon/html/M_Rhino_Geometry_Brep_CreateFromSweep_5.htm

V7 RhinoCommon’s Brep class has an overload with sweep style control:
https://developer.rhino3d.com/api/RhinoCommon/html/M_Rhino_Geometry_Brep_CreateFromSweep_4.htm

3

Thanks Steve. I’ll check out your link.

Edit:

Steve, would you happen to have a short example of how to use this in Python?

Thanks,

Dan

4

I haven’t tested this:

import Rhino.Geometry as rg
import rhinoscriptsyntax as rs
import scriptcontext as sc

def main():
    
    gCrv_Rail = rs.GetObject("Select rail curve", filter=rs.filter.curve)
    if not gCrv_Rail: return
    
    gCrvs_Shapes = rs.GetObjects("Select shape curves", filter=rs.filter.curve)
    if not gCrvs_Shapes: return
    
    rgCrv_Rail = rs.coercecurve(gCrv_Rail)
    rgCrvs_Shapes = [rs.coercecurve(g) for g in gCrvs_Shapes]
    
    rgBreps = rg.Brep.CreateFromSweep(
            rail=rgCrv_Rail,
            shapes=rgCrvs_Shapes,
            startPoint=rg.Point3d.Unset,
            endPoint=rg.Point3d.Unset,
            frameType=rg.SweepFrame.Roadlike,
            roadlikeNormal=rg.Vector3d.ZAxis,
            closed=False,
            blendType=rg.SweepBlend.Local,
            miterType=rg.SweepMiter.Trimmed,
            tolerance=sc.doc.ModelAbsoluteTolerance,
            rebuildType=rg.SweepRebuild.None,
            rebuildPointCount=0,
            refitTolerance=0.0)
    
    if not rgBreps:
        print "Sweep failed."
        return
    
    for rgB in rgBreps:
        sc.doc.Objects.AddBrep(rgB)
    
    sc.doc.Views.Redraw()

if __name__ == '__main__': main()
1 Like
5

Thanks Steve, this was super helpful,

Have a good weekend,

Dan