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spb_Grips_linearize.py
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spb_Grips_linearize.py
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"""
"""
from __future__ import absolute_import, print_function, unicode_literals
"""
181012-13: Created.
201002: Added support for all other point input combinations. Previously, only 2 special cases were supported.
211112: With input of 2 CP's with a common u or v index, the CP's between will be made colinear.
TODO:
Properly process periodic and other closed curves.
"""
import Rhino
import Rhino.DocObjects as rd
import Rhino.Geometry as rg
import Rhino.Input as ri
import rhinoscriptsyntax as rs
import scriptcontext as sc
class Opts():
keys = []
values = {}
names = {}
riOpts = {}
listValues = {}
stickyKeys = {}
key = 'bFixedEnds'; keys.append(key)
values[key] = True
riOpts[key] = ri.Custom.OptionToggle(values[key], 'No', 'Yes')
stickyKeys[key] = '{}({})'.format(key, __file__)
key = 'bEcho'; keys.append(key)
values[key] = True
riOpts[key] = ri.Custom.OptionToggle(values[key], 'No', 'Yes')
stickyKeys[key] = '{}({})'.format(key, __file__)
key = 'bDebug'; keys.append(key)
values[key] = False
riOpts[key] = ri.Custom.OptionToggle(values[key], 'No', 'Yes')
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 addOption(cls, go, key):
idxOpt = None
if key in cls.riOpts:
if key[0] == 'b':
idxOpt = go.AddOptionToggle(
cls.names[key], cls.riOpts[key])[0]
elif key[0] == 'f':
idxOpt = go.AddOptionDouble(
cls.names[key], cls.riOpts[key])[0]
elif key[0] == 'i':
idxOpt = go.AddOptionInteger(
englishName=cls.names[key], intValue=cls.riOpts[key])[0]
elif key in cls.listValues:
idxOpt = go.AddOptionList(
englishOptionName=cls.names[key],
listValues=cls.listValues[key],
listCurrentIndex=cls.values[key])
else:
print("{} is not a valid key in Opts.".format(key))
return idxOpt
@classmethod
def setValue(cls, key, idxList=None):
if key == 'fDistance':
if cls.riOpts[key].CurrentValue <= 1e-9:
print("Invalid input for Distance value.")
cls.riOpts[key].CurrentValue = cls.values[key]
return
if key in cls.riOpts:
cls.values[key] = cls.riOpts[key].CurrentValue
elif key in cls.listValues:
cls.values[key] = idxList
else:
return
sc.sticky[cls.stickyKeys[key]] = cls.values[key]
def getInput():
""" Get control point grips. """
go = ri.Custom.GetObject()
go.SetCommandPrompt("Select CPs")
go.GeometryFilter = rd.ObjectType.Grip
go.EnableUnselectObjectsOnExit(False) # Do not unselect object when an option selected, a number is entered, etc.
idxs_Opt = {}
def addOption(key): idxs_Opt[key] = Opts.addOption(go, key)
while True:
go.ClearCommandOptions()
idxs_Opt.clear()
addOption('bFixedEnds')
addOption('bEcho')
addOption('bDebug')
res = go.GetMultiple(minimumNumber=2, maximumNumber=0)
if res == ri.GetResult.Cancel:
go.Dispose()
return
if res == ri.GetResult.Object:
objrefs = go.Objects()
go.Dispose()
grips = [o.Object() for o in objrefs]
return grips
#object_list = Rhino.Collections.TransformObjectList()
#object_list.AddObjects(go=go, allowGrips=True)
#gips_All = [] # List of (Tuples of Guid of grip's parent, index of grip, Point3d). Used by rhinoscriptsyntax.
#for grip in object_list.GripArray():
# gips_All.append((grip.OwnerId, grip.Index, grip.CurrentLocation))
#return gips_All
go.DeselectAllBeforePostSelect = False # So objects won't be deselected on repeats of While loop.
go.EnablePreSelect(False, ignoreUnacceptablePreselectedObjects=True)
go.EnableClearObjectsOnEntry(False) # Do not clear objects in go on repeats of While loop.
for key in idxs_Opt:
if go.Option().Index == idxs_Opt[key]:
Opts.setValue(key, go.Option().CurrentListOptionIndex)
break
def sortNestListOfTuples(gips_to_sort, idxTuple):
"""
Parameters:
gips_to_sort: list(tuple(Guid of grip's parent, index of grip, Point3d)). Used by rhinoscriptsyntax.
idxTuple: Index of tuple by which to sort.
"""
idxList = []
nestedList = [] # 1-level nesting of (GUID, Grip index, Point3d) per GUID.
for gip in gips_to_sort:
if gip[0] in idxList:
nestedList[idxList.index(gip[idxTuple])].extend([(gip[0], gip[1], gip[2])])
else:
idxList.append(gip[idxTuple])
nestedList.append([(gip[0], gip[1], gip[2])])
return nestedList
def _sortGripsByParentGuid(grips):
"""
"""
nestedList = [] # 1-level nesting of grips per parent GUID.
gParents = []
for grip in grips:
if grip.OwnerId in gParents:
nestedList[gParents.index(grip.OwnerId)].append(grip)
else:
gParents.append(grip.OwnerId)
nestedList.append([grip])
return nestedList
def getUvIdxFromNsPoint1dIdx(ns, idxFlat):
return idxFlat // ns.Points.CountV, idxFlat % ns.Points.CountV
def _get_iGrip_matches(grips_perOwnerGuid):
pt_Matches = []
iGrip_per_Guid_matches = []
# Find matches between first two GUID's.
for i0 in range(len(grips_perOwnerGuid[0])):
for i1 in range(len(grips_perOwnerGuid[1])):
dist = grips_perOwnerGuid[0][i0].CurrentLocation.DistanceTo(
grips_perOwnerGuid[1][i1].CurrentLocation)
if dist <= Rhino.RhinoMath.ZeroTolerance:
pt_Matches.append(grips_perOwnerGuid[0][i0].CurrentLocation)
iGrip_per_Guid_matches.append([i0, i1])
if not pt_Matches:
if bDebug: print("No matches found.")
return
for iMatch, pt_Match in enumerate(pt_Matches):
for iG in range(2, len(grips_perOwnerGuid)):
for i_gip, gip in enumerate(grips_perOwnerGuid[iG]):
if gip[2].EpsilonEquals(pt_Match, Rhino.RhinoMath.ZeroTolerance):
iGrip_per_Guid_matches[iMatch].append(i_gip)
break
else:
if bDebug: print("No matches found.")
break # to pt_Matches loop.
if len(iGrip_per_Guid_matches[iMatch]) == len(grips_perOwnerGuid):
return tuple(iGrip_per_Guid_matches[iMatch])
def process2Objects_2GripsEach(grips_perOwnerGuid):
"""
"""
# for iA in 0,1:
# for iB in 0,1:
# if gips_perGuid[0][iA][2] == gips_perGuid[1][iB][2]:
# return iA, iB
i_gip_match = _get_iGrip_matches(grips_perOwnerGuid)
if not i_gip_match:
print("No match")
return
ptMatch = gips_perGuid[0][i_gip_match[0]][2]
idxOtherA = int(not i_gip_match[0])
ptToMoveA = gips_perGuid[0][idxOtherA][2]
idxOtherB = int(not i_gip_match[1])
ptOtherB = gips_perGuid[1][idxOtherB][2]
line = rg.Line(ptToMoveA, ptOtherB)
#sc.doc.Objects.AddLine(line)
pt_on_line_closest_to_match = line.ClosestPoint(testPoint=ptMatch, limitToFiniteSegment=True)
#sc.doc.Objects.AddPoint(pt_on_line_closest_to_match)
vect = ptMatch - pt_on_line_closest_to_match
if vect.IsTiny():
if bEcho: print("Grips are already linear.")
return
xform_moveLine = rg.Transform.Translation(vect)
ptToMoveA.Transform(xform_moveLine)
ptOtherB.Transform(xform_moveLine)
print(gips_perGuid[0][i_gip_match[0]][1])
print(rs.ObjectGripLocation(gips_perGuid[0][0][0], gips_perGuid[0][idxOtherA][1], ptToMoveA))
rs.ObjectGripLocation(gips_perGuid[1][0][0], gips_perGuid[1][idxOtherB][1], ptOtherB)
def processGrips(grips, **kwargs):
"""bDebug
# gip: Tuple of Guid of grip's parent, index of grip, Point3d.
"""
grips_In = grips # So 'grips' can be used in other routines.
for grip in grips_In:
if not isinstance(grip, rd.GripObject):
print("{} object passed to processGrips. Must be GripObject.")
return
def getOpt(key): return kwargs[key] if key in kwargs else Opts.values[key]
bFixedEnds = getOpt('bFixedEnds')
bEcho = getOpt('bEcho')
bDebug = getOpt('bDebug')
def minimumGipDistance():
dists = []
for iA in range(len(gips_perGuid)):
for gipA in gips_perGuid[iA]:
for iB in range(iA+1, len(gips_perGuid)):
for gipB in gips_perGuid[iB]:
dist = gipA[2].DistanceTo(gipB[2])
if dist > sc.doc.ModelAbsoluteTolerance:
dists.append(dist)
return min(dists)
def process8Of4():
"""
Corner of 4?
"""
i_gip_match = _get_iGrip_matches(gips_perGuid)
if not i_gip_match:
print("No match.")
return
ptMatch = gips_perGuid[0][i_gip_match[0]][2]
gip_ToMoveA = None
for i in range(len(gips_perGuid)):
if len(gips_perGuid[i]) == 2:
if gip_ToMoveA is None:
gip_ToMoveA = gips_perGuid[int(not i_gip_match[0])]
ptToMoveA = gip_ToMoveA[2]
else:
gip_ToMoveB = gips_perGuid[int(not i_gip_match[0])]
ptToMoveB = gip_ToMoveB[2]
line = rg.Line(ptToMoveA, ptOtherB)
#sc.doc.Objects.AddLine(line)
pt_on_line_closest_to_match = line.ClosestPoint(
testPoint=ptMatch, limitToFiniteSegment=True)
#sc.doc.Objects.AddPoint(pt_on_line_closest_to_match)
vect = ptMatch - pt_on_line_closest_to_match
if vect.IsTiny():
if bEcho: print("Grips are already linear.")
return
xform_moveLine = rg.Transform.Translation(vect)
ptToMoveA.Transform(xform_moveLine)
ptOtherB.Transform(xform_moveLine)
print(gips_perGuid[0][i_gip_match[0]][1])
print(rs.ObjectGripLocation(gips_perGuid[0][0][0], gips_perGuid[0][idxOtherA][1], ptToMoveA))
rs.ObjectGripLocation(gips_perGuid[1][0][0], gips_perGuid[1][idxOtherB][1], ptOtherB)
def processOthers():
#pts = [gips_All[i][2] for i in range(len(gips_All))]
if bFixedEnds:
pass
## Look for co-U or c-V pattern.
#for gObj, ips in zip(gObjs, ips_per_Guid):
# nc = rs.coercecurve(gObj)
# face = rs.coercesurface(gObj)
# if nc:
# pass
# elif face:
# ns = face.UnderlyingSurface()
# iUs = []
# iVs = []
# for idxPt, pt in ips:
# iU,iV = getUvIdxFromNsPoint1dIdx(ns, idxPt)
# iUs.append(iU)
# iVs.append(iV)
# print(iUs, iVs
# iUs_toLinearize = []
# iVs_toLinearize = []
# for iU in set(iUs):
# if iUs.count(iU) > 2:
# iUs_toLinearize.append(iU)
# for iV in set(iVs):
# if iVs.count(iV) > 2:
# iVs_toLinearize.append(iV)
# print(iUs_toLinearize, iVs_toLinearize
bSuccess, line = rg.Line.TryFitLineToPoints(
[gips_All[i][2] for i in range(len(gips_All))])
#sc.doc.Objects.AddLine(line); #sc.doc.Views.Redraw()
for i in range(len(gips_All)):
pt_projected_onto_line = line.ClosestPoint(
testPoint=gips_All[i][2],
limitToFiniteSegment=False)
rs.ObjectGripLocation(
gips_All[i][0],
gips_All[i][1],
pt_projected_onto_line)
# Split gips_All into a list of (GUID, Grip index, Point3d) based on GUID order
# and a list of the sorted GUIDs.
#gips_perGuid = sortNestListOfTuples(gips_All, idxTuple=0)
#if gips_perGuid is None: return
grips_perParentGuid = _sortGripsByParentGuid(grips_In)
if grips_perParentGuid is None: return
if (len(grips_In) == 2) and (grips_In[0].OwnerId == grips_In[1].OwnerId):
import spb_Grips_linearizeBetween2
spb_Grips_linearizeBetween2.linearizeGripsBetween2(
grips_In[0],
grips_In[1],
bFixedEnds=bFixedEnds,
bDistributeEvenly=False,
bEcho=bEcho,
bDebug=bDebug,
)
return
# Reject if not at least 3 grips.
if len(grips_In) < 3:
if bEcho: print("Only {} grips selected. Nothing will be done.".format(len(grips_In)))
return
# If there are 2 GUIDs with 2 grips each, they may span over edge.
if (
len(grips_perParentGuid) == 2 and
len(grips_perParentGuid[0]) == 2 and
len(grips_perParentGuid[1]) == 2
):
process2Objects_2GripsEach(grips_perParentGuid)
elif (
len(gips_perGuid) == 4 and
all(len(gips_of_Guid) == 2 for gips_of_Guid in gips_perGuid)
):
process8Of4()
else:
processOthers()
def main():
grips = getInput()
if grips is None: return
if not Opts.values['bDebug']: sc.doc.Views.RedrawEnabled = False
processGrips(grips)
sc.doc.Views.RedrawEnabled = True
if __name__ == '__main__': main()