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DefeaturingFeature.py
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DefeaturingFeature.py
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# -*- coding: utf-8 -*-
#***************************************************************************
#* *
#* Copyright (c) 2017 *
#* Maurice easyw@katamail.com *
#* *
# *
# Defeaturing WB *
# *
# (C) Maurice easyw-fc 2018 *
# This program is free software; you can redistribute it and/or modify *
# it under the terms of the GNU Library General Public License (LGPL) *
# as published by the Free Software Foundation; either version 2 of *
# the License, or (at your option) any later version. *
# for detail see the LICENCE text file. *
#****************************************************************************
import dft_locator, os
DefeaturingWBpath = os.path.dirname(dft_locator.__file__)
DefeaturingWB_icons_path = os.path.join( DefeaturingWBpath, 'Resources', 'icons')
global defeat_icon, use_cm
defeat_icon=os.path.join(DefeaturingWB_icons_path,'DefeaturingParametric.svg')
use_cm = True
'''
This Script includes python Features to represent Defeaturing Operations
'''
class ViewProviderTree:
"A generic View Provider for Elements with Children"
def __init__(self, obj):
obj.Proxy = self
self.Object = obj.Object
def attach(self, obj):
self.Object = obj.Object
return
def getIcon(self):
#import osc_locator, os
global defeat_icon
if isinstance(self.Object.Proxy,DefeatShape):
#print (defeat_icon)
# try:
# if self.upd: return (defeat_icon)
# except: pass
return(defeat_icon)
def updateData(self, fp, prop):
#print (fp.Label)
#if fp.Label.find('_ERR') != -1:
# fp.touch()
# #import FreeCAD
# #doc = FreeCAD.ActiveDocument
# #doc.getObject(fp.Name).touch()
# print('touched')
#self.getIcon()
#try: self.upd
#except: self.upd=True
#self.upd=not self.upd
#print('update')
return
def getDisplayModes(self,obj):
modes=[]
return modes
def setDisplayMode(self,mode):
return mode
def onChanged(self, vp, prop):
#self.getIcon()
#print (prop)
#self.getIcon()
#print('change')
return
def __getstate__(self):
# return {'ObjectName' : self.Object.Name}
return None
def __setstate__(self,state):
if state is not None:
import FreeCAD
doc = FreeCAD.ActiveDocument #crap
self.Object = doc.getObject(state['ObjectName'])
def claimChildren(self):
objs = []
if hasattr(self.Object.Proxy,"Base"):
objs.append(self.Object.Proxy.Base)
if hasattr(self.Object,"Base"):
objs.append(self.Object.Base)
if hasattr(self.Object,"Objects"):
objs.extend(self.Object.Objects)
if hasattr(self.Object,"Components"):
objs.extend(self.Object.Components)
if hasattr(self.Object,"Children"):
objs.extend(self.Object.Children)
return objs
##
class DefeatShape:
'''return a refined shape'''
def __init__(self, fc, obj, child=None):
global use_cm
import FreeCAD
doc = FreeCAD.ActiveDocument
obj.addProperty("App::PropertyLink","Base","Base",
"The base object that must be defeatured")
obj.Proxy = self
obj.Base = child
obj.addProperty("App::PropertyStringList","Faces","dFaces",
"List of Faces to be defeatured")
obj.Faces = fc
if use_cm:
obj.addProperty("App::PropertyStringList","CM","dFaces",
"Center of Mass")
#print(fc)
cm = []
for f in fc:
oname = obj.Base.Name #f.split('.')[0]
o = doc.getObject(oname)
fnbr = int(f.split('.')[1].strip('Face'))-1
mf = o.Shape.Faces[fnbr]
cm.append('x='+"{0:.3f}".format(mf.CenterOfMass.x)+' y='+"{0:.3f}".format(mf.CenterOfMass.y)+' z='+"{0:.3f}".format(mf.CenterOfMass.z))
obj.CM = cm
obj.addProperty("App::PropertyBool","useFaceNbr","dFaces",
"use Face Number")
def onChanged(self, fp, prop):
"Do something when a property has changed"
import FreeCAD
doc = FreeCAD.ActiveDocument
d_faces=[]
#print (prop,' changed')
if (prop == 'useFaceNbr' or prop == 'Shape') and len (fp.Base.Shape.Faces) > 0:
#print (fp.useFaceNbr)
if fp.useFaceNbr: #not use_cm:
cm_list=[]
for fn in fp.Faces:
oname = fp.Base.Name #fp.Faces[0].split('.')[0]
fnbr = int(fn.split('.')[1].strip('Face'))-1
o = doc.getObject(oname)
for i, f in enumerate (o.Shape.Faces):
if i == fnbr:
#print (i)
d_faces.append(f)
c='x='+"{0:.3f}".format(f.CenterOfMass.x)+' y='+"{0:.3f}".format(f.CenterOfMass.y)+' z='+"{0:.3f}".format(f.CenterOfMass.z)
cm_list.append(c)
#print (c)
#print(fp.CM)
#print (f.CenterOfMass)
#print (f.hashCode())
fp.CM = cm_list
else:
#print(fp.Base.Shape.Faces)
if len (fp.Base.Shape.Faces) > 0:
#if fp.Base.Shape.isValid():
fc = []
#fc.append(fp.Faces[0])
for i, c in enumerate(fp.CM):
for j, f in enumerate (fp.Base.Shape.Faces):
if c ==('x='+"{0:.3f}".format(f.CenterOfMass.x)+' y='+"{0:.3f}".format(f.CenterOfMass.y)+' z='+"{0:.3f}".format(f.CenterOfMass.z)):
d_faces.append(f)
#print (f.CenterOfMass)
fc.append(str(fp.Base.Name)+'.'+'Face'+str(j+1))
fp.Faces = fc
else:
print('loading first time')
#doc.recompute()
pass
def execute(self, fp):
global defeat_icon, use_cm
import OpenSCADUtils, FreeCAD, FreeCADGui, Part, os
doc = FreeCAD.ActiveDocument
docG = FreeCADGui.ActiveDocument
#print(fp.Base.Shape.Faces)
#if 0: #
if len (fp.Faces) > 0:
if fp.Base and fp.Base.Shape.isValid():
#print (fp.Faces)
# rh_faces_names -> (selFace.ObjectName+'.'+selFace.SubElementNames[i])
d_faces=[]
if fp.useFaceNbr: #not use_cm:
cm_list=[]
for fn in fp.Faces:
oname = fp.Base.Name #fp.Faces[0].split('.')[0]
fnbr = int(fn.split('.')[1].strip('Face'))-1
o = doc.getObject(oname)
for i, f in enumerate (o.Shape.Faces):
if i == fnbr:
#print (i)
d_faces.append(f)
c='x='+"{0:.3f}".format(f.CenterOfMass.x)+' y='+"{0:.3f}".format(f.CenterOfMass.y)+' z='+"{0:.3f}".format(f.CenterOfMass.z)
cm_list.append(c)
#print (c)
#print(fp.CM)
#print (f.CenterOfMass)
#print (f.hashCode())
fp.CM = cm_list
else:
oname = fp.Base.Name #fp.Faces[0].split('.')[0]
o = doc.getObject(oname)
fc = []
#fc.append(fp.Faces[0])
for i, c in enumerate(fp.CM):
for j, f in enumerate (fp.Base.Shape.Faces):
if c ==('x='+"{0:.3f}".format(f.CenterOfMass.x)+' y='+"{0:.3f}".format(f.CenterOfMass.y)+' z='+"{0:.3f}".format(f.CenterOfMass.z)):
d_faces.append(f)
#print (f.CenterOfMass)
fc.append(str(o.Name)+'.'+'Face'+str(j+1))
#fp.Faces = fc
check_faces = True
if not fp.useFaceNbr: #use_cm:
if len (d_faces) != len (fp.CM):
check_faces = False
elif len (d_faces) == 0:
check_faces = False
if check_faces:
sh = fp.Base.Shape.defeaturing(d_faces)
if fp.Base.Shape.isPartner(sh):
#fp.touch()
FreeCAD.Console.PrintError('Defeaturing failed 1\n')
defeat_icon=os.path.join(DefeaturingWB_icons_path,'error.svg')
docG.getObject(fp.Name).ShapeColor = (1.00,0.00,0.00)
raise NameError('Defeaturing FAILED!')
#try:
# raise NameError('Defeaturing FAILED!')
#except NameError:
# print ('Defeaturing FAILED!')
# raise
#raise Exception('Defeaturing FAILED!')
else:
fp.Shape=OpenSCADUtils.applyPlacement(sh)
if fp.Label.find('_ERR') != -1:
fp.Label=fp.Label[:fp.Label.rfind('_ERR')]
defeat_icon=os.path.join(DefeaturingWB_icons_path,'DefeaturingParametric.svg')
docG.getObject(fp.Name).ShapeColor = docG.getObject(fp.Base.Name).ShapeColor
docG.getObject(fp.Name).LineColor = docG.getObject(fp.Base.Name).LineColor
docG.getObject(fp.Name).PointColor = docG.getObject(fp.Base.Name).PointColor
docG.getObject(fp.Name).DiffuseColor= docG.getObject(fp.Base.Name).DiffuseColor
docG.getObject(fp.Name).Transparency= docG.getObject(fp.Base.Name).Transparency
else:
defeat_icon=os.path.join(DefeaturingWB_icons_path,'error.svg')
#fp.touch()
FreeCAD.Console.PrintError('Defeaturing failed 2\n')
sh = fp.Base.Shape
fp.Shape=OpenSCADUtils.applyPlacement(sh)
if fp.Label.find('_ERR') == -1:
fp.Label='%s_ERR' % fp.Label
docG.getObject(fp.Name).ShapeColor = (1.00,0.00,0.00)
raise Exception('Defeaturing FAILED!')
#doc.recompute()
else:
print('first executing')
##
## class UnionFuzzyShape:
## '''return a fuzzy unioned shape'''
## def __init__(self, compNames, obj, child=None):
## #obj.addProperty("App::PropertyLink","Base","Base",
## # "The base object that must be fuzzy unioned")
## obj.addProperty("App::PropertyStringList","Components","Components",
## "List of Objects to be fuzzy unioned")
## obj.Proxy = self
## obj.Base = child
## obj.Components = compNames
##
## def onChanged(self, fp, prop):
## "Do something when a property has changed"
## pass
##
## def execute(self, fp):
## if len (fp.Components) > 1:
## makeOp=True
## for name in fp.Components:
## if not doc.getObject(name).Shape.isValid():
## makeOp=False
## if makeOp:
## import OpenSCADUtils, FuzzyTools
## #sh=fp.Base.Shape.removeSplitter()
## ### do my ops
## result_shape = FuzzyTools.fuzzyUnion()
## fp.Shape=OpenSCADUtils.applyPlacement(result_shape)
##