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"""
This script is an alternative to _ToNURBS, which has problems with some RevSurfaces.
Send any questions, comments, or script development service needs to
@spb on the McNeel Forums, https://discourse.mcneel.com/
"""
#! python 2 Must be on a line number less than 32.
from __future__ import absolute_import, division, print_function, unicode_literals
"""
180206-07: Created, starting with fitSurface.py
...
190519: Updated an import name.
200207: Now accepts BrepFaces. Refactored. Removed reporting routine.
200414: Added bAcceptParamMismatch and now uses an external module to trim the face.
200422: Now, doesn't attempt to trim closed surfaces from closed monoface breps.
200428: Bug fix.
200527, 0619: Import-related update.
231108: Improved some debug reporting.
250326: Bug fix for processing individual faces of a polysrf. Refactored.
"""
import Rhino
import Rhino.DocObjects as rd
import Rhino.Geometry as rg
import Rhino.Input as ri
import scriptcontext as sc
from System import Guid
import xBrepFace
import xBrepObject
class Opts:
keys = []
values = {}
names = {}
riOpts = {}
riAddOpts = {}
stickyKeys = {}
def addOptionDouble(key, names, riOpts):
return lambda getObj: ri.Custom.GetBaseClass.AddOptionDouble(
getObj, englishName=names[key], numberValue=riOpts[key])
def addOptionInteger(key, names, riOpts):
return lambda getObj: ri.Custom.GetBaseClass.AddOptionInteger(
getObj, englishName=names[key], intValue=riOpts[key])
def addOptionList(key, names, listValues, values):
return lambda getObj: ri.Custom.GetBaseClass.AddOptionList(
getObj,
englishOptionName=names[key],
listValues=listValues,
listCurrentIndex=values[key])
def addOptionToggle(key, names, riOpts):
return lambda getObj: ri.Custom.GetBaseClass.AddOptionToggle(
getObj, englishName=names[key], toggleValue=riOpts[key])
key = 'fTol'; keys.append(key)
values[key] = 0.1 * sc.doc.ModelAbsoluteTolerance
names[key] = 'Tolerance'
riOpts[key] = ri.Custom.OptionDouble(initialValue=values[key])
riAddOpts[key] = addOptionDouble(key, names, riOpts)
stickyKeys[key] = '{}({})({})'.format(key, __file__, sc.doc.Name)
key = 'bAcceptParamMismatch'; keys.append(key)
values[key] = True
riOpts[key] = ri.Custom.OptionToggle(initialValue=values[key], offValue='No', onValue='Yes')
riAddOpts[key] = addOptionToggle(key, names, riOpts)
stickyKeys[key] = '{}({})'.format(key, __file__)
key = 'bReplace'; keys.append(key)
values[key] = True
names[key] = 'Action'
riOpts[key] = ri.Custom.OptionToggle(initialValue=values[key], offValue='Add', onValue='Replace')
riAddOpts[key] = addOptionToggle(key, names, riOpts)
stickyKeys[key] = '{}({})'.format(key, __file__)
key = 'bEcho'; keys.append(key)
values[key] = True
riOpts[key] = ri.Custom.OptionToggle(initialValue=values[key], offValue='No', onValue='Yes')
riAddOpts[key] = addOptionToggle(key, names, riOpts)
stickyKeys[key] = '{}({})'.format(key, __file__)
key = 'bDebug'; keys.append(key)
values[key] = False
riOpts[key] = ri.Custom.OptionToggle(initialValue=values[key], offValue='No', onValue='Yes')
riAddOpts[key] = addOptionToggle(key, names, riOpts)
stickyKeys[key] = '{}({})'.format(key, __file__)
for key in keys:
if key not in names:
names[key] = key[1:]
# Load sticky.
for key in stickyKeys:
if stickyKeys[key] in sc.sticky:
if key in riOpts:
riOpts[key].CurrentValue = values[key] = sc.sticky[stickyKeys[key]]
else:
values[key] = sc.sticky[stickyKeys[key]]
@classmethod
def setValues(cls):
for key in cls.keys:
if key in cls.riOpts:
cls.values[key] = cls.riOpts[key].CurrentValue
@classmethod
def saveSticky(cls):
for key in cls.stickyKeys:
if key in cls.riOpts:
sc.sticky[cls.stickyKeys[key]] = cls.riOpts[key].CurrentValue
else:
sc.sticky[cls.stickyKeys[key]] = cls.values[key]
def getInput():
"""
Get surfaces and/or breps and option values.
"""
go = ri.Custom.GetObject()
go.SetCommandPrompt("Select breps and/or faces")
go.GeometryFilter = rd.ObjectType.Brep
go.AlreadySelectedObjectSelect = True
go.DeselectAllBeforePostSelect = False # So objects won't be deselected on repeats of While loop.
go.EnableClearObjectsOnEntry(False) # Keep objects in go on repeats of While loop.
go.EnableUnselectObjectsOnExit(False)
go.AcceptNumber(enable=True, acceptZero=True)
idxs_Opts = {}
while True:
key = 'fTol'; idxs_Opts[key] = Opts.riAddOpts[key](go)[0]
key = 'bAcceptParamMismatch'; idxs_Opts[key] = Opts.riAddOpts[key](go)[0]
key = 'bReplace'; idxs_Opts[key] = Opts.riAddOpts[key](go)[0]
key = 'bEcho'; idxs_Opts[key] = Opts.riAddOpts[key](go)[0]
key = 'bDebug'; idxs_Opts[key] = Opts.riAddOpts[key](go)[0]
res = go.GetMultiple(minimumNumber=1, maximumNumber=0)
if res == ri.GetResult.Cancel:
go.Dispose()
return
if res == ri.GetResult.Object:
objrefs = go.Objects()
go.Dispose()
return tuple([objrefs] + [Opts.values[key] for key in Opts.keys])
# An option was selected or a number was entered.
key = 'fTol'
if res == ri.GetResult.Number:
Opts.riOpts[key].CurrentValue = go.Number()
if Opts.riOpts[key].CurrentValue < 0.0:
Opts.riOpts[key].CurrentValue = Opts.riOpts[key].InitialValue
Opts.setValues()
Opts.saveSticky()
go.ClearCommandOptions()
def processBrepObjects(rhBreps, idxFaces_perBrep, **kwargs):
"""
rhBreps: Can be rd.BrepObjects or GUIDs,
"""
def getOpt(key): return kwargs[key] if key in kwargs else Opts.values[key]
fTol = getOpt('fTol')
bAcceptParamMismatch = getOpt('bAcceptParamMismatch')
bReplace = getOpt('bReplace')
bEcho = getOpt('bEcho')
bDebug = getOpt('bDebug')
def getBrep(rhBrep):
if isinstance(rhBrep, rg.Brep):
return None, rhBrep
elif isinstance(rhBrep, rg.GeometryBase):
rdObj = None
rgObj = rhBrep
elif isinstance(rhBrep, rd.ObjRef):
rdObj = rhBrep.Object()
rgObj = rhBrep.Geometry()
elif isinstance(rhBrep, Guid):
rdObj = sc.doc.Objects.FindId(rhBrep) if Rhino.RhinoApp.ExeVersion >= 6 else sc.doc.Objects.Find(rhBrep)
rgObj = rdObj.Geometry
else:
return
if isinstance(rgObj, (rg.Brep, rg.BrepFace)):
return rdObj, rgObj
def areAllBrepTrimIsostatusesSENW(rgFace0):
if rgFace0.IsSurface: return True
iCt_Trims = 0
for rgTrim_ in rgFace0.Brep.Trims:
if rgTrim_.Face.FaceIndex == rgFace0.FaceIndex:
if rgTrim_.IsoStatus == rg.IsoStatus.None:
return False
elif rgTrim_.IsoStatus == rg.IsoStatus.X:
return False
elif rgTrim_.IsoStatus == rg.IsoStatus.Y:
return False
iCt_Trims += 1
if iCt_Trims != 4:
return False
return True
iFs_perB = idxFaces_perBrep
bNon1AccuracyProduced = False
gBs_Out = []
iCt_Fs_Success = 0
sLogs = []
for iB in range(len(rhBreps)):
rhB = rhBreps[iB]
rc = getBrep(rhB)
if not rc: continue
rdB_In, rgB_In = rc
if iFs_perB is None or iFs_perB[iB] is None:
iFs = range(rgB_In.Faces.Count)
else:
iFs = iFs_perB[iB]
iFs_Processed = []
rgBs_1Fs_NewGeom = []
for iF in iFs:
rgSrf_In = rgB_In.Faces[iF].UnderlyingSurface()
if isinstance(rgSrf_In, rg.NurbsSurface):
continue
rgNSrf, iAccuracy = rgSrf_In.ToNurbsSurface(tolerance=fTol)
if rgNSrf is None:
continue
# accuracy result per https://developer.rhino3d.com/api/RhinoCommon/html/M_Rhino_Geometry_Surface_ToNurbsSurface_1.htm
if bDebug:
print("accuracy set (out parameter) by ToNurbsSurface: {}".format(iAccuracy))
if iAccuracy == 0:
print("0 = unable to create NURBS representation with desired accuracy.")
elif iAccuracy == 1:
print("1 = success - returned NURBS parameterization matches the surface's to the desired accuracy.")
elif iAccuracy == 2:
print("2 = success - returned NURBS point locus matches the surface's to the desired accuracy and the domain of the NURBS surface is correct. However, this surface's parameterization and the NURBS surface parameterization may not match to the desired accuracy. This situation happens when getting NURBS representations of surfaces that have a transendental parameterization like spheres, cylinders, and cones.")
else:
raise ValueError("What happened?")
if iAccuracy == 1:
if rgB_In.Faces.Count == 1 and rgB_In.IsSolid:
rgB_1F_Out = rgNSrf.ToBrep()
rgBs_1Fs_NewGeom.append(rgB_1F_Out)
iFs_Processed.append(iF)
elif rgB_In.Faces.Count == 1 and rgB_In.Faces[iF].IsSurface:
rgB_1F_Out = rgNSrf.ToBrep()
rgBs_1Fs_NewGeom.append(rgB_1F_Out)
iFs_Processed.append(iF)
elif rgB_In.Faces.Count == 1 and areAllBrepTrimIsostatusesSENW(rgB_In.Faces[iF]):
rgB_1F_Out = rgNSrf.ToBrep()
rgBs_1Fs_NewGeom.append(rgB_1F_Out)
iFs_Processed.append(iF)
else:
rgB_1F_WIP = rgB_In.Faces[iF].DuplicateFace(duplicateMeshes=False)
rgB_1F_WIP.AddSurface(rgNSrf)
rgNSrf.Dispose()
if not rgB_1F_WIP.Faces[0].ChangeSurface(1):
print("Brep.ChangeSurface failed.")
else:
rgB_1F_WIP.Compact()
rgBs_1Fs_NewGeom.append(rgB_1F_WIP)
iFs_Processed.append(iF)
elif iAccuracy == 2 and bAcceptParamMismatch:
if rgB_In.Faces.Count == 1 and rgB_In.IsSolid:
rgB_1F_Out = rgNSrf.ToBrep()
rgBs_1Fs_NewGeom.append(rgB_1F_Out)
iFs_Processed.append(iF)
elif rgB_In.Faces.Count == 1 and rgB_In.Faces[iF].IsSurface:
rgB_1F_Out = rgNSrf.ToBrep()
rgBs_1Fs_NewGeom.append(rgB_1F_Out)
iFs_Processed.append(iF)
elif rgB_In.Faces.Count == 1 and areAllBrepTrimIsostatusesSENW(rgB_In.Faces[iF]):
rgB_1F_Out = rgNSrf.ToBrep()
rgBs_1Fs_NewGeom.append(rgB_1F_Out)
iFs_Processed.append(iF)
else:
rgB_1F_WIP_Retrimmed = xBrepFace.retrimFace(
rgB_In.Faces[iF],
rgSrf_Replacement=rgNSrf,
bDebug=bDebug
)
rgNSrf.Dispose()
if not rgB_1F_WIP_Retrimmed:
rgB_In.Dispose()
continue
rgBs_1Fs_NewGeom.append(rgB_1F_WIP_Retrimmed)
iFs_Processed.append(iF)
else:
if iAccuracy == 0:
sLogs.append(
"unable to create NURBS representation with desired accuracy.")
#sc.doc.Objects.AddSurface(rgSrf_In)
elif iAccuracy == 2:
sLogs.append(
"this surface's parameterization and the NURBS surface parameterization may not match to the desired accuracy." \
" This situation happens when getting NURBS representations of surfaces that have a transendental parameterization like spheres, cylinders, and cones.")
#sc.doc.Objects.AddSurface(rgSrf_In)
if not bNon1AccuracyProduced:
s = "For Accuracy level, see "
s += "http://developer.rhino3d.com/api/RhinoCommon/html/M_Rhino_Geometry_Surface_ToNurbsSurface_1.htm"
print(s)
bNon1AccuracyProduced = True
if not iFs_Processed:
rgB_In.Dispose()
continue
if bReplace:
rc = xBrepObject.replaceFaces(
rdB_In, iFs_Processed, rgBs_1Fs_NewGeom,
bExtract=False,
)
if not rc: continue
gBs_Out.extend(rc)
iCt_Fs_Success += len(iFs_Processed)
else:
for iB in range(len(rgBs_1Fs_NewGeom)):
gB_Out = sc.doc.Objects.AddBrep(rgBs_1Fs_NewGeom[iB])
if gB_Out == Guid.Empty: continue
gBs_Out.append(rc)
iCt_Fs_Success += 1
if sLogs:
for sLog in set(sLogs):
print("[{}] {}".format(sLogs.count(sLog), sLog))
print("{} faces {}.".format(
iCt_Fs_Success,
"replaced" if bReplace else "added"))
return gBs_Out
def processObjRefs(objrefs, **kwargs):
"""
objrefs
"""
def getOpt(key): return kwargs[key] if key in kwargs else Opts.values[key]
fTol = getOpt('fTol')
bAcceptParamMismatch = getOpt('bAcceptParamMismatch')
bReplace = getOpt('bReplace')
bEcho = getOpt('bEcho')
bDebug = getOpt('bDebug')
if not all([isinstance(objref, rd.ObjRef) for objref in objrefs]):
print("Only input ObjRefs. Script canceled.")
return
def sortBrepObjects_and_face_indices(objrefs):
gBs = []; iFs_perB = []
for objref in objrefs:
if objref.Object().ObjectType != rd.ObjectType.Brep: continue
if objref.GeometryComponentIndex.Index == -1:
if objref.ObjectId in gBs:
iB = gBs.index(objref.ObjectId)
iFs_perB[iB] = None
else:
gBs.append(objref.ObjectId)
iFs_perB.append(None)
elif (
objref.GeometryComponentIndex.ComponentIndexType ==
rg.ComponentIndexType.BrepFace
):
if objref.ObjectId in gBs:
iB = gBs.index(objref.ObjectId)
if iFs_perB[iB] is None:
pass
else:
iFs_perB[iB].append(objref.GeometryComponentIndex.Index)
else:
gBs.append(objref.ObjectId)
iFs_perB.append([objref.GeometryComponentIndex.Index])
iFs_perB_Sorted = []
for iFs in iFs_perB:
if iFs is None:
iFs_perB_Sorted.append(None)
else:
iFs_perB_Sorted.append(sorted(iFs))
return gBs, iFs_perB_Sorted
rdBreps, idxFaces_perBrep = sortBrepObjects_and_face_indices(objrefs)
return processBrepObjects(
rhBreps=rdBreps, idxFaces_perBrep=idxFaces_perBrep)
def main(bDebug=False):
rc = getInput()
if rc is None: return
objrefs = rc[0]
bDebug = Opts.values['bDebug']
if bDebug:
pass
else:
sc.doc.Views.RedrawEnabled = False
Rhino.RhinoApp.SetCommandPrompt("Working ...")
rc = processObjRefs(
objrefs=objrefs)
sc.doc.Views.RedrawEnabled = True
if __name__ == '__main__': main(bDebug=bool(0))