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FastenerBase.py
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FastenerBase.py
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# -*- coding: utf-8 -*-
###################################################################################
#
# FastenerBase.py
#
# Copyright 2015 Shai Seger <shaise at gmail dot com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
# MA 02110-1301, USA.
#
#
###################################################################################
from FreeCAD import Gui
from FreeCAD import Base
from PySide import QtGui
import FreeCAD, FreeCADGui, Part, os, math, sys
import DraftVecUtils
__dir__ = os.path.dirname(__file__)
iconPath = os.path.join( __dir__, 'Icons' )
class FSBaseObject:
'''Base Class for all fasteners'''
def __init__(self, obj, attachTo):
obj.addProperty("App::PropertyDistance","offset","Parameters","Offset from surface").offset = 0.0
obj.addProperty("App::PropertyBool", "invert", "Parameters", "Invert screw direction").invert = False
obj.addProperty("App::PropertyLinkSub", "baseObject", "Parameters", "Base object").baseObject = attachTo
class FSGroupCommand:
def __init__(self, cmds, menuText, toolTip):
self.commands = cmds
self.menuText = menuText
self.toolTip = toolTip
def GetCommands(self):
return tuple(self.commands) # a tuple of command names that you want to group
#return ('FSFlip', 'FSMove', 'FSSimple', 'FSFillet')
def GetResources(self):
return { 'MenuText': self.menuText, 'ToolTip': self.toolTip}
def IsActive(self):
return Gui.ActiveDocument != None
#def Activated(self, index): # index is an int in the range [0, len(GetCommands)
DropButtonSupported = int(FreeCAD.Version()[1]) > 15 # and int(FreeCAD.Version()[2].split()[0]) >= 5165
RadioButtonSupported = int(FreeCAD.Version()[1]) > 15 # and int(FreeCAD.Version()[2].split()[0]) >= 5560
FSParam = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/Fasteners")
GroupButtonMode = FSParam.GetInt("ScrewToolbarGroupMode", 0) # 0 = nine, 1 = seperate toolbar 2 = drop down buttons
if GroupButtonMode == 2 and not(DropButtonSupported):
GroupButtonMode = 1
class FSCommandList:
def __init__(self):
self.commands = {}
def append(self, cmd, group = "screws", subgroup = None):
if not(group in self.commands):
self.commands[group] = []
self.commands[group].append((cmd, subgroup))
def getCommands(self, group):
cmdlist = []
cmdsubs = {}
for cmd in self.commands[group]:
command, subgroup = cmd
if subgroup != None and GroupButtonMode > 0:
if not(subgroup in cmdsubs):
cmdsubs[subgroup] = []
if GroupButtonMode == 2:
cmdlist.append(subgroup.replace(" ", ""))
cmdlist.append("Separator")
cmdsubs[subgroup].append(command)
else:
cmdlist.append(command)
for subcommand in cmdsubs:
if GroupButtonMode == 2:
Gui.addCommand(subcommand.replace(" ", ""), FSGroupCommand(cmdsubs[subcommand], subcommand, subcommand))
else:
cmdlist.append((subcommand.replace(" ", ""), cmdsubs[subcommand]))
return cmdlist
FSCommands = FSCommandList()
FSClassIcons = {}
FSLastInvert = False
def FSGetCommands(group = "screws"):
return FSCommands.getCommands(group)
# fastener types
class FSFastenerType:
def __init__(self, typeName, hasLength, lengthFixed):
self.typeName = typeName
self.hasLength = hasLength
self.lengthFixed = lengthFixed
self.items = []
FSFasenerTypeDB = {}
def FSAddFastenerType(typeName, hasLength = True, lengthFixed = True):
FSFasenerTypeDB[typeName] = FSFastenerType(typeName, hasLength, lengthFixed)
def FSAddItemsToType(typeName, item):
if not(typeName in FSFasenerTypeDB):
return
FSFasenerTypeDB[typeName].items.append(item)
# common helpers
# show traceback of system error
def FSShowError():
global lastErr
lastErr = sys.exc_info()
tb = lastErr[2]
tbnext = tb
x = 10
while tbnext != None and x > 0:
FreeCAD.Console.PrintError("At " + tbnext.tb_frame.f_code.co_filename + " Line " + str(tbnext.tb_lineno) + "\n")
tbnext = tbnext.tb_next
x = x - 1
FreeCAD.Console.PrintError(str(lastErr[1]) + ": " + lastErr[1].__doc__ + "\n")
# get instance of a toolbar item
def FSGetToolbarItem(tname, iname):
mw = QtGui.qApp.activeWindow()
tb = None
for c in mw.children():
if isinstance(c, QtGui.QToolBar) and c.windowTitle() == tname:
tb = c
break
if tb == None:
return None
for c in tb.children():
if isinstance(c, QtGui.QToolButton) and c.text() == iname:
return c
return None
# fastener chach - prevent recreation of same fasteners
FSCache = {}
def FSGetKey(*args):
obj = None
key = 'FS'
for arg in args:
key = key + '|' + str(arg)
if key in FSCache:
FreeCAD.Console.PrintLog("Using cached shape for: " + key + "\n")
return (key, FSCache[key])
return (key, None)
def MToFloat(m):
m = m.lstrip('(');
m = m.rstrip(')');
return float(m.lstrip('M'))
# sort compare function for m sizes
def MCompare(x, y):
x1 = MToFloat(x)
y1 = MToFloat(y)
if x1 > y1:
return 1
if x1 < y1:
return -1
return 0
# sort compare function for string numbers
def NumCompare(x, y):
x1 = float(x)
y1 = float(y)
if x1 > y1:
return 1
if x1 < y1:
return -1
return 0
class FSFaceMaker:
'''Create a face point by point on the x,z plane'''
def __init__(self):
self.edges = []
self.firstPoint = None
def AddPoint(self, x, z):
curPoint = FreeCAD.Base.Vector(x,0,z)
if (self.firstPoint == None):
self.firstPoint = curPoint
else:
self.edges.append(Part.makeLine(self.lastPoint, curPoint))
self.lastPoint = curPoint
FreeCAD.Console.PrintLog("Add Point: " + str(curPoint) + "\n")
# add an arc starting at last point and going through x1,z1 and x2,z2
def AddArc(self, x1, z1, x2, z2):
midPoint = FreeCAD.Base.Vector(x1,0,z1)
endPoint = FreeCAD.Base.Vector(x2,0,z2)
self.edges.append(Part.Arc(self.lastPoint, midPoint, endPoint).toShape())
self.lastPoint = endPoint
def GetFace(self):
self.edges.append(Part.makeLine(self.lastPoint, self.firstPoint))
w = Part.Wire(self.edges)
return Part.Face(w)
def FSAutoDiameterM(holeObj, table, tablepos):
res = 'M5'
if holeObj != None and hasattr(holeObj, 'Curve') and hasattr(holeObj.Curve, 'Radius'):
d = holeObj.Curve.Radius * 2
mindif = 10.0
for m in table:
if tablepos == -1:
dia = MToFloat(m) + 0.1
else:
dia = table[m][tablepos] + 0.1
if (dia > d):
dif = dia - d
if dif < mindif:
mindif = dif
res = m
return res
class FSViewProviderIcon:
"A View provider for custom icon"
def __init__(self, obj):
obj.Proxy = self
self.Object = obj.Object
def attach(self, obj):
self.Object = obj.Object
return
def updateData(self, fp, prop):
return
def getDisplayModes(self,obj):
modes=[]
return modes
def setDisplayMode(self,mode):
return mode
def onChanged(self, vp, prop):
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 getIcon(self):
for type in FSClassIcons:
if isinstance(self.Object.Proxy, type):
return os.path.join( iconPath , FSClassIcons[type])
return None
def GetEdgeName(obj, edge):
i = 1
for e in obj.Edges:
if e.isEqual(edge):
return 'Edge' + str(i)
i = i + 1
return None
def FSGetAttachableSelections():
asels = []
for selObj in Gui.Selection.getSelectionEx():
baseObjectNames = selObj.SubElementNames
obj = selObj.Object
edgestable = {}
# add explicitly selected edges
for baseObjectName in baseObjectNames:
shape = obj.Shape.getElement(baseObjectName)
if not(hasattr(shape,"Curve")):
continue
if not(hasattr(shape.Curve,"Center")):
continue
asels.append((obj, [baseObjectName]))
edgestable[baseObjectName] = 1
# add all edges of a selected surface
for subobj in selObj.SubObjects:
if not(isinstance(subobj, Part.Face)):
continue
#FreeCAD.Console.PrintLog("Found face: " + str(subobj) + "\n")
for edge in subobj.Edges:
if not(hasattr(edge,"Curve")):
continue
if not(hasattr(edge.Curve,"Center")):
continue
edgeName = GetEdgeName(obj.Shape, edge)
if edgeName == None or edgeName in edgestable:
continue
asels.append((obj, [edgeName]))
edgestable[edgeName] = 1
if len(asels) == 0:
asels.append(None)
return asels
def FSGenerateObjects(objectClass, name):
for selObj in FSGetAttachableSelections():
a=FreeCAD.ActiveDocument.addObject("Part::FeaturePython",name)
objectClass(a, selObj)
FSViewProviderIcon(a.ViewObject)
FreeCAD.ActiveDocument.recompute()
def FSMoveToObject(ScrewObj_m, attachToObject, invert, offset):
Pnt1 = None
Axis1 = None
Axis2 = None
s = attachToObject
if hasattr(s,"Curve"):
if hasattr(s.Curve,"Center"):
Pnt1 = s.Curve.Center
Axis1 = s.Curve.Axis
if hasattr(s,'Surface'):
#print 'the object is a face!'
if hasattr(s.Surface,'Axis'):
Axis1 = s.Surface.Axis
if hasattr(s,'Point'):
FreeCAD.Console.PrintLog( "the object seems to be a vertex! "+ str(s.Point) + "\n")
Pnt1 = s.Point
if (Axis1 != None):
if invert:
Axis1 = Base.Vector(0,0,0) - Axis1
Pnt1 = Pnt1 + Axis1 * offset
#FreeCAD.Console.PrintLog( "Got Axis1: " + str(Axis1) + "\n")
Axis2 = Base.Vector(0.0,0.0,1.0)
Axis2_minus = Base.Vector(0.0,0.0,-1.0)
# Calculate angle
if Axis1 == Axis2:
normvec = Base.Vector(1.0,0.0,0.0)
result = 0.0
else:
if Axis1 == Axis2_minus:
normvec = Base.Vector(1.0,0.0,0.0)
result = math.pi
else:
normvec = Axis1.cross(Axis2) # Berechne Achse der Drehung = normvec
normvec.normalize() # Normalisieren fuer Quaternionenrechnung
#normvec_rot = normvec
result = DraftVecUtils.angle(Axis1, Axis2, normvec) # Winkelberechnung
sin_res = math.sin(result/2.0)
cos_res = math.cos(result/2.0)
normvec.multiply(-sin_res) # Berechnung der Quaternionen-Elemente
#FreeCAD.Console.PrintLog( "Winkel = "+ str(math.degrees(result)) + "\n")
#FreeCAD.Console.PrintLog("Normalvektor: "+ str(normvec) + "\n")
pl = FreeCAD.Placement()
pl.Rotation = (normvec.x,normvec.y,normvec.z,cos_res) #Drehungs-Quaternion
#FreeCAD.Console.PrintLog("pl mit Rot: "+ str(pl) + "\n")
#neuPlatz = Part2.Object.Placement.multiply(pl)
ScrewObj_m.Placement = FreeCAD.Placement()
neuPlatz = ScrewObj_m.Placement
#FreeCAD.Console.PrintLog("die Position "+ str(neuPlatz) + "\n")
neuPlatz.Rotation = pl.Rotation.multiply(ScrewObj_m.Placement.Rotation)
neuPlatz.move(Pnt1)
#FreeCAD.Console.PrintLog("die rot. Position: "+ str(neuPlatz) + "\n")
# common actions on fateners:
class FSFlipCommand:
"""Flip Screw command"""
def GetResources(self):
icon = os.path.join( iconPath , 'IconFlip.svg')
return {'Pixmap' : icon , # the name of a svg file available in the resources
'MenuText': "Invert fastner" ,
'ToolTip' : "Invert fastner orientation"}
def Activated(self):
selObjs = self.GetSelection()
if len(selObjs) == 0:
return
for selObj in selObjs:
FreeCAD.Console.PrintLog("sel obj: " + str(selObj.invert) + "\n")
selObj.invert = not(selObj.invert)
FreeCAD.ActiveDocument.recompute()
return
def IsActive(self):
selObjs = self.GetSelection()
return len(selObjs) > 0
def GetSelection(self):
screwObj = []
for selobj in Gui.Selection.getSelectionEx():
obj = selobj.Object
#FreeCAD.Console.PrintLog("sel obj: " + str(obj) + "\n")
if (hasattr(obj, 'Proxy') and isinstance(obj.Proxy, FSBaseObject)):
if obj.baseObject != None:
screwObj.append(obj)
return screwObj
Gui.addCommand('FSFlip',FSFlipCommand())
FSCommands.append('FSFlip', "command")
class FSMoveCommand:
"""Move Screw command"""
def GetResources(self):
icon = os.path.join( iconPath , 'IconMove.svg')
return {'Pixmap' : icon , # the name of a svg file available in the resources
'MenuText': "Move fastner" ,
'ToolTip' : "Move fastner to a new location"}
def Activated(self):
selObj = self.GetSelection()
if selObj[0] == None:
return
selObj[0].baseObject = selObj[1]
FreeCAD.ActiveDocument.recompute()
return
def IsActive(self):
selObj = self.GetSelection()
if selObj[0] != None:
return True
return False
def GetSelection(self):
screwObj = None
edgeObj = None
for selObj in Gui.Selection.getSelectionEx():
obj = selObj.Object
if (hasattr(obj, 'Proxy') and isinstance(obj.Proxy, FSBaseObject)):
screwObj = obj
elif (len(selObj.SubObjects) == 1 and isinstance(selObj.SubObjects[0],Part.Edge)):
edgeObj = (obj, [selObj.SubElementNames[0]])
return (screwObj, edgeObj)
Gui.addCommand('FSMove',FSMoveCommand())
FSCommands.append('FSMove', "command")
class FSMakeSimpleCommand:
"""Move Screw command"""
def GetResources(self):
icon = os.path.join( iconPath , 'IconShape.svg')
return {'Pixmap' : icon , # the name of a svg file available in the resources
'MenuText': "Simplify shape" ,
'ToolTip' : "Change object to simple non-parametric shape"}
def Activated(self):
for selObj in Gui.Selection.getSelectionEx():
obj = selObj.Object
FreeCAD.Console.PrintLog("sel shape: " + str(obj.Shape) + "\n")
if isinstance(obj.Shape, (Part.Solid, Part.Compound)):
FreeCAD.Console.PrintLog("simplify shape: " + obj.Name + "\n")
cobj = FreeCAD.ActiveDocument.addObject("Part::Feature", obj.Label + "_Copy")
cobj.Shape = obj.Shape;
Gui.ActiveDocument.getObject(obj.Name).Visibility = False
FreeCAD.ActiveDocument.recompute()
return
def IsActive(self):
if len(Gui.Selection.getSelectionEx()) > 0:
return True
return False
Gui.addCommand('FSSimple',FSMakeSimpleCommand())
FSCommands.append('FSSimple', "command")
FSMatchOuter = False
FSMatchIconNeedUpdate = 0
# frecad 0.15 version:
class FSToggleMatchTypeCommand:
"""Toggle screw matching method"""
def GetResources(self):
self.menuText = "Toggle Match Type"
self.iconInner = os.path.join( iconPath , 'IconMatchTypeInner.svg')
self.iconOuter = os.path.join( iconPath , 'IconMatchTypeOuter.svg')
return {'Pixmap' : self.iconInner , # the name of a svg file available in the resources
'MenuText': self.menuText ,
'ToolTip' : "Toggle auto screw diameter matching inner<->outer thread"}
def Activated(self):
global FSMatchOuter
if not(hasattr(self, 'toolbarItem')):
self.toolbarItem = FSGetToolbarItem("FS Commands", self.menuText)
if self.toolbarItem == None:
return
FSMatchOuter = not(FSMatchOuter)
self.UpdateIcon()
return
def UpdateIcon(self):
if FSMatchOuter:
self.toolbarItem.setIcon(QtGui.QIcon(self.iconOuter))
else:
self.toolbarItem.setIcon(QtGui.QIcon(self.iconInner))
def IsActive(self):
global FSMatchIconNeedUpdate
if FSMatchIconNeedUpdate > 0:
FSMatchIconNeedUpdate = FSMatchIconNeedUpdate - 1
if FSMatchIconNeedUpdate == 0:
self.UpdateIcon()
return True
#freecad v0.16 version:
class FSMatchTypeInnerCommand:
def Activated(self, index):
pass
def GetResources(self):
return { 'Pixmap' : os.path.join( iconPath , 'IconMatchTypeInner.svg'),
'MenuText': 'Match screws by inner thread diameter (Tap hole)',
'Checkable': True}
class FSMatchTypeOuterCommand:
def Activated(self, index):
pass
def GetResources(self):
return { 'Pixmap' : os.path.join( iconPath , 'IconMatchTypeOuter.svg'),
'MenuText': 'Match screws by outer thread diameter (Pass hole)',
'Checkable': False}
class FSMatchTypeGroupCommand:
def GetCommands(self):
return ("FSMatchTypeInner", "FSMatchTypeOuter") # a tuple of command names that you want to group
def Activated(self, index):
if index == 0:
FSMatchOuter = False
FreeCAD.Console.PrintLog("Set auto diameter to match inner thread\n")
else:
FSMatchOuter = True
FreeCAD.Console.PrintLog("Set auto diameter to match outer thread\n")
def GetDefaultCommand(self): # return the index of the tuple of the default command. This method is optional and when not implemented '0' is used
return 0
def GetResources(self):
return { 'MenuText': 'Screw diamter matching mode', 'ToolTip': 'Screw diamter matching mode (by inner or outer thread diameter)', 'DropDownMenu': False, 'Exclusive' : True }
def IsActive(self): # optional
return True
if RadioButtonSupported:
FreeCADGui.addCommand('FSMatchTypeInner',FSMatchTypeInnerCommand())
FreeCADGui.addCommand('FSMatchTypeOuter',FSMatchTypeOuterCommand())
FreeCADGui.addCommand('FSMatchTypeGroup',FSMatchTypeGroupCommand())
FSCommands.append('FSMatchTypeGroup', "command")
else:
Gui.addCommand('FSToggleMatchType',FSToggleMatchTypeCommand())
FSCommands.append('FSToggleMatchType', "command")
###################################################################################
# Generate BOM command
###################################################################################
class FSMakeBomCommand:
"""Generate fasteners bill of material"""
def GetResources(self):
icon = os.path.join( iconPath , 'IconBOM.svg')
return {'Pixmap' : icon , # the name of a svg file available in the resources
'MenuText': "Generate BOM" ,
'ToolTip' : "Generate fasteners bill of material"}
def Activated(self):
self.fastenerDB = {}
sheet = FreeCAD.ActiveDocument.addObject('Spreadsheet::Sheet','Fasteners_BOM')
sheet.setColumnWidth('A', 200)
sheet.set('A1', "Type")
sheet.set('B1', "Qty")
for obj in FreeCAD.ActiveDocument.Objects:
name = filter(lambda c: not c.isdigit(), obj.Name)
method = getattr(self, 'Add' + name, lambda x: "nothing")
method(obj)
FreeCAD.Console.PrintLog(name + "\n")
line = 2
for fastener in sorted(self.fastenerDB.keys()):
sheet.set('A' + str(line), fastener)
sheet.set('B' + str(line), str(self.fastenerDB[fastener]))
line += 1
FreeCAD.ActiveDocument.recompute()
return
def AddFastener(self, fastener):
if self.fastenerDB.has_key(fastener):
self.fastenerDB[fastener] = self.fastenerDB[fastener] + 1
else:
self.fastenerDB[fastener] = 1
def AddScrew(self, obj):
self.AddFastener(obj.type + " Screw " + obj.diameter + "x" + obj.length)
def AddNut(self, obj):
if hasattr(obj, 'type'):
type = obj.type
else:
type = 'ISO4033'
self.AddFastener(type + " Nut " + obj.diameter)
def AddWasher(self, obj):
self.AddFastener(obj.type + " Washer " + obj.diameter)
def AddScrewTap(self, obj):
self.AddFastener("ScrewTap " + obj.diameter + "x" + str(obj.length))
def AddPressNut(self, obj):
self.AddFastener("PEM PressNut " + obj.diameter + "-" + obj.tcode)
def AddStandoff(self, obj):
self.AddFastener("PEM Standoff " + obj.diameter + "x" + obj.length)
def AddStud(self, obj):
self.AddFastener("PEM Stud " + obj.diameter + "x" + obj.length)
def IsActive(self):
return Gui.ActiveDocument != None
Gui.addCommand('FSMakeBOM',FSMakeBomCommand())
FSCommands.append('FSMakeBOM', "command")