Solid-Split/SolidSplit.py at master · govizlora/Solid-Split · GitHub

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import rhinoscript.userinterface
import rhinoscript.geometry
import rhinoscriptsyntax as rs

__commandname__ = "SolidSplit"

def SplitObject(solid, cSrf):

    preInnerSrf = rs.CopyObject(cSrf)
    innerSrfs = rs.TrimBrep(preInnerSrf, solid)
    if not innerSrfs:
        rs.DeleteObject(preInnerSrf)
        return [solid]
    solids = []
    solids.append(solid)

    for srf in innerSrfs:
        newSolids = []
        for obj in solids:
            splitObjs = rs.SplitBrep(obj, srf, True)
            if not splitObjs:
                newSolids.append(obj)
            else:
                for sObj in splitObjs:
                    toJoin = [sObj, srf]
                    newSolids.append(rs.JoinSurfaces(toJoin))
                rs.DeleteObjects(splitObjs)
        solids = newSolids

    rs.DeleteObjects(innerSrfs)

    return solids

def RunCommand( is_interactive ):

    filter = rs.filter.polysurface
    objs = rs.GetObjects("Select solid objects to split", filter)
    if not objs: return 1

    solids = []
    for obj in objs:
        if rs.IsObjectSolid(obj):
            solids.append(obj)
    if len(solids) == 0:
        print "No solid object found"
        return 1

    cSrfs = rs.GetObjects("Select cutting surfaces", filter)
    if not cSrfs:
        return 1

    rs.EnableRedraw(False)

    for srf in cSrfs:
        newSolids = []
        for solid in solids:
            newSolids.extend(SplitObject(solid, srf))
        solids = newSolids

    rs.EnableRedraw(True)

    return 0

RunCommand(True)