ObjectTable.AddSurface() can add multiple surfaces

@spb wrote:

AddSurface.3dm (18.1 KB) contains an invalid 1-face brep.

_Untrim will convert it into a valid 1-face brep of the underlying surface.

If the same is attempted via RhinoCommon, such as by using the code below, a 3-face brep is created.

Should a polysurface ever be created by scriptcontext.doc.Objects.AddSurface()?

import rhinoscriptsyntax as rs
import scriptcontext as sc

def main():
    idBrep = rs.GetObject("Select surface", rs.filter.surface, preselect=True)
    if idBrep is None: return

    rgFace = rs.coercesurface(idBrep)
    print rgFace.IsValid

    rgSrf = rgFace.UnderlyingSurface()
    print rgSrf.IsValid

    sc.doc.Objects.AddSurface(rgSrf)
    sc.doc.Views.Redraw()

if __name__ == '__main__': main()

Thank you,
Steve

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