Files
create/src/Mod/Path/PathScripts/PathMillFace.py
2016-11-13 14:51:36 -06:00

617 lines
26 KiB
Python

# -*- coding: utf-8 -*-
# ***************************************************************************
# * *
# * Copyright (c) 2016 sliptonic <shopinthewoods@gmail.com> *
# * *
# * This program is free software; you can redistribute it and/or modify *
# * it under the terms of the GNU Lesser 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. *
# * *
# * 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 Library General Public License for more details. *
# * *
# * You should have received a copy of the GNU Library General Public *
# * License along with this program; if not, write to the Free Software *
# * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
# * USA *
# * *
# ***************************************************************************
import FreeCAD
import Path
from PySide import QtCore, QtGui
from PathScripts import PathUtils
import Part
import PathScripts.PathKurveUtils
import area
import TechDraw
import Drawing
import DraftGeomUtils
from FreeCAD import Vector
import Arch
FreeCADGui = None
if FreeCAD.GuiUp:
import FreeCADGui
"""Path Face object and FreeCAD command"""
# Qt tanslation handling
try:
_encoding = QtGui.QApplication.UnicodeUTF8
def translate(context, text, disambig=None):
return QtGui.QApplication.translate(context, text, disambig, _encoding)
except AttributeError:
def translate(context, text, disambig=None):
return QtGui.QApplication.translate(context, text, disambig)
class ObjectFace:
def __init__(self, obj):
obj.addProperty("App::PropertyLinkSubList", "Base", "Path", QtCore.QT_TRANSLATE_NOOP("App::Property","The base geometry of this object"))
obj.addProperty("App::PropertyBool", "Active", "Path", QtCore.QT_TRANSLATE_NOOP("App::Property","Make False, to prevent operation from generating code"))
obj.addProperty("App::PropertyString", "Comment", "Path", QtCore.QT_TRANSLATE_NOOP("App::Property","An optional comment for this profile"))
obj.addProperty("App::PropertyString", "UserLabel", "Path", QtCore.QT_TRANSLATE_NOOP("App::Property","User Assigned Label"))
# Tool Properties
obj.addProperty("App::PropertyIntegerConstraint", "ToolNumber", "Tool", QtCore.QT_TRANSLATE_NOOP("App::Property","The tool number in use"))
obj.ToolNumber = (0, 0, 1000, 0)
obj.setEditorMode('ToolNumber', 1) # make this read only
obj.addProperty("App::PropertyString", "ToolDescription", "Tool", QtCore.QT_TRANSLATE_NOOP("App::Property","The description of the tool "))
obj.setEditorMode('ToolDescription', 1) # make this read only
# Depth Properties
obj.addProperty("App::PropertyDistance", "ClearanceHeight", "Depth", QtCore.QT_TRANSLATE_NOOP("App::Property","The height needed to clear clamps and obstructions"))
obj.addProperty("App::PropertyDistance", "SafeHeight", "Depth", QtCore.QT_TRANSLATE_NOOP("App::Property","Rapid Safety Height between locations."))
obj.addProperty("App::PropertyFloatConstraint", "StepDown", "Depth", QtCore.QT_TRANSLATE_NOOP("App::Property","Incremental Step Down of Tool"))
obj.StepDown = (0.0, 0.01, 100.0, 0.5)
obj.addProperty("App::PropertyDistance", "StartDepth", "Depth", QtCore.QT_TRANSLATE_NOOP("App::Property","Starting Depth of Tool- first cut depth in Z"))
obj.addProperty("App::PropertyDistance", "FinalDepth", "Depth", QtCore.QT_TRANSLATE_NOOP("App::Property","Final Depth of Tool- lowest value in Z"))
obj.addProperty("App::PropertyDistance", "FinishDepth", "Depth", QtCore.QT_TRANSLATE_NOOP("App::Property","Maximum material removed on final pass."))
# Face Properties
obj.addProperty("App::PropertyEnumeration", "CutMode", "Face", QtCore.QT_TRANSLATE_NOOP("App::Property","The direction that the toolpath should go around the part ClockWise CW or CounterClockWise CCW"))
obj.CutMode = ['Climb', 'Conventional']
obj.addProperty("App::PropertyDistance", "PassExtension", "Face", QtCore.QT_TRANSLATE_NOOP("App::Property","How far the cutter should extend past the boundary"))
obj.addProperty("App::PropertyEnumeration", "StartAt", "Face", QtCore.QT_TRANSLATE_NOOP("App::Property","Start Faceing at center or boundary"))
obj.StartAt = ['Center', 'Edge']
obj.addProperty("App::PropertyPercent", "StepOver", "Face", QtCore.QT_TRANSLATE_NOOP("App::Property","Percent of cutter diameter to step over on each pass"))
# obj.StepOver = (0.0, 0.01, 100.0, 0.5)
obj.addProperty("App::PropertyBool", "KeepToolDown", "Face", QtCore.QT_TRANSLATE_NOOP("App::Property","Attempts to avoid unnecessary retractions."))
obj.addProperty("App::PropertyBool", "ZigUnidirectional", "Face", QtCore.QT_TRANSLATE_NOOP("App::Property","Lifts tool at the end of each pass to respect cut mode."))
obj.addProperty("App::PropertyBool", "UseZigZag", "Face", QtCore.QT_TRANSLATE_NOOP("App::Property","Use Zig Zag pattern to clear area."))
obj.addProperty("App::PropertyFloat", "ZigZagAngle", "Face", QtCore.QT_TRANSLATE_NOOP("App::Property","Angle of the zigzag pattern"))
obj.addProperty("App::PropertyEnumeration", "BoundaryShape", "Face", QtCore.QT_TRANSLATE_NOOP("App::Property","Shape to use for calculating Boundary"))
obj.BoundaryShape = ['Perimeter', 'BoundBox']
# Start Point Properties
obj.addProperty("App::PropertyVector", "StartPoint", "Start Point", QtCore.QT_TRANSLATE_NOOP("App::Property","The start point of this path"))
obj.addProperty("App::PropertyBool", "UseStartPoint", "Start Point", QtCore.QT_TRANSLATE_NOOP("App::Property","make True, if specifying a Start Point"))
obj.Proxy = self
def onChanged(self, obj, prop):
if prop == "UserLabel":
obj.Label = obj.UserLabel + " :" + obj.ToolDescription
def __getstate__(self):
return None
def __setstate__(self, state):
return None
def _guessDepths(self, obj, ss, sub=""):
try:
bb = ss.Shape.BoundBox # parent boundbox
subobj = ss.Shape.getElement(sub)
fbb = subobj.BoundBox # feature boundbox
obj.StartDepth = bb.ZMax
obj.ClearanceHeight = bb.ZMax + 5.0
obj.SafeHeight = bb.ZMax + 3.0
if fbb.ZMax == fbb.ZMin and fbb.ZMax == bb.ZMax: # top face
obj.FinalDepth = bb.ZMin
elif fbb.ZMax > fbb.ZMin and fbb.ZMax == bb.ZMax: # vertical face, full cut
obj.FinalDepth = fbb.ZMin
elif fbb.ZMax > fbb.ZMin and fbb.ZMin > bb.ZMin: # internal vertical wall
obj.FinalDepth = fbb.ZMin
elif fbb.ZMax == fbb.ZMin and fbb.ZMax > bb.ZMin: # face/shelf
obj.FinalDepth = fbb.ZMin
else: # catch all
obj.FinalDepth = bb.ZMin
except:
obj.StartDepth = 5.0
obj.ClearanceHeight = 10.0
obj.SafeHeight = 8.0
def addFacebase(self, obj, ss, sub=""):
baselist = obj.Base
if baselist is None:
baselist = []
if len(baselist) == 0: # When adding the first base object, guess at heights
self._guessDepths(obj, ss, sub)
item = (ss, sub)
if item in baselist:
FreeCAD.Console.PrintWarning(translate("Path", "this object already in the list" + "\n"))
else:
baselist.append(item)
obj.Base = baselist
print "this base is: " + str(baselist)
self.execute(obj)
def getStock(self, obj):
"""find and return a stock object from hosting project if any"""
for o in obj.InList:
if hasattr(o, "Group"):
for g in o.Group:
if hasattr(g, "Height_Allowance"):
return o
# not found? search one level up
for o in obj.InList:
return self.getStock(o)
return None
def buildpathlibarea(self, obj, a):
"""Build the face path using libarea algorithm"""
import PathScripts.PathAreaUtils as PathAreaUtils
from PathScripts.PathUtils import depth_params
FreeCAD.Console.PrintMessage(translate("PathFace", "Generating toolpath with libarea offsets.\n"))
depthparams = depth_params(
obj.ClearanceHeight.Value,
obj.SafeHeight.Value,
obj.StartDepth.Value,
obj.StepDown,
obj.FinishDepth.Value,
obj.FinalDepth.Value)
extraoffset = 1 - obj.PassExtension.Value
stepover = (self.radius * 2) * (float(obj.StepOver)/100)
use_zig_zag = obj.UseZigZag
zig_angle = obj.ZigZagAngle
from_center = (obj.StartAt == "Center")
keep_tool_down = obj.KeepToolDown
zig_unidirectional = obj.ZigUnidirectional
start_point = None
cut_mode = obj.CutMode
PathAreaUtils.flush_nc()
PathAreaUtils.output('mem')
PathAreaUtils.feedrate_hv(self.horizFeed, self.vertFeed)
if obj.UseStartPoint:
start_point = (obj.StartPoint.x, obj.StartPoint.y)
# print "a," + str(self.radius) + "," + str(extraoffset) + "," + str(stepover) + ",depthparams, " + str(from_center) + "," + str(keep_tool_down) + "," + str(use_zig_zag) + "," + str(zig_angle) + "," + str(zig_unidirectional) + "," + str(start_point) + "," + str(cut_mode)
PathAreaUtils.pocket(
a,
self.radius,
extraoffset,
stepover,
depthparams,
from_center,
keep_tool_down,
use_zig_zag,
zig_angle,
zig_unidirectional,
start_point,
cut_mode)
return PathAreaUtils.retrieve_gcode()
# To reload this from FreeCAD, use: import PathScripts.PathFace; reload(PathScripts.PathFace)
def execute(self, obj):
if not obj.Active:
path = Path.Path("(inactive operation)")
obj.Path = path
obj.ViewObject.Visibility = False
return
#Tool may have changed. Refresh data
toolLoad = PathUtils.getLastToolLoad(obj)
if toolLoad is None or toolLoad.ToolNumber == 0:
self.vertFeed = 100
self.horizFeed = 100
self.vertRapid = 100
self.horiRrapid = 100
self.radius = 0.25
obj.ToolNumber = 0
obj.ToolDescription = "UNDEFINED"
else:
self.vertFeed = toolLoad.VertFeed.Value
self.horizFeed = toolLoad.HorizFeed.Value
self.vertRapid = toolLoad.VertRapid.Value
self.horizRapid = toolLoad.HorizRapid.Value
tool = PathUtils.getTool(obj, toolLoad.ToolNumber)
if tool.Diameter == 0:
self.radius = 0.25
else:
self.radius = tool.Diameter/2
obj.ToolNumber = toolLoad.ToolNumber
obj.ToolDescription = toolLoad.Name
#Build preliminary comments
output = ""
output += "(" + obj.Label + ")"
if obj.UserLabel == "":
obj.Label = obj.Name + " :" + obj.ToolDescription
else:
obj.Label = obj.UserLabel + " :" + obj.ToolDescription
#Facing is done either against base object
if obj.Base:
faces = []
for b in obj.Base:
for sub in b[1]:
shape = getattr(b[0].Shape, sub)
if isinstance (shape, Part.Face):
groups = Drawing.project(shape, Vector(0,0,1))
if len(groups[0].Edges) > 0:
p = DraftGeomUtils.superWire(groups[0].Edges, closed=True)
w = []
w.append(p)
faces.append(Arch.makeFace(w))
else:
print ('falling out')
return
contourwire = TechDraw.findShapeOutline(faces[0].multiFuse(faces[1:]).removeSplitter(), 1, Vector(0,0,1))
print ('269: contourwire', contourwire)
#If no base object, do planing of top surface of entire model
else:
parentJob = PathUtils.findParentJob(obj)
if parentJob is None:
return
baseobject = parentJob.Base
if baseobject is None:
return
# print "Plane base object: " + baseobject.Name
contourwire = TechDraw.findShapeOutline(baseobject.Shape, 1, Vector(0,0,1))
print ('281: contourwire', contourwire)
if obj.BoundaryShape == 'BoundBox':
print 'boundbox'
bb = contourwire.BoundBox
bbperim = Part.makeBox(bb.XLength, bb.YLength, 1, Vector(bb.XMin, bb.YMin, bb.ZMin), Vector(0,0,1))
contourwire = TechDraw.findShapeOutline(bbperim, 1, Vector(0,0,1))
else:
print 'perimeter'
edgelist = contourwire.Edges
edgelist = Part.__sortEdges__(edgelist)
#use libarea to build the pattern
a = area.Area()
c = PathScripts.PathKurveUtils.makeAreaCurve(edgelist, 'CW')
a.append(c)
a.Reorder()
output += self.buildpathlibarea(obj, a)
path = Path.Path(output)
obj.Path = path
obj.ViewObject.Visibility = True
class _CommandSetFaceStartPoint:
def GetResources(self):
return {'Pixmap': 'Path-StartPoint',
'MenuText': QtCore.QT_TRANSLATE_NOOP("PathFace", "Pick Start Point"),
'ToolTip': QtCore.QT_TRANSLATE_NOOP("PathFace", "Pick Start Point")}
def IsActive(self):
return FreeCAD.ActiveDocument is not None
def setpoint(self, point, o):
obj = FreeCADGui.Selection.getSelection()[0]
obj.StartPoint.x = point.x
obj.StartPoint.y = point.y
def Activated(self):
FreeCADGui.Snapper.getPoint(callback=self.setpoint)
class ViewProviderFace:
def __init__(self, vobj):
vobj.Proxy = self
def attach(self, vobj):
self.Object = vobj.Object
return
def setEdit(self, vobj, mode=0):
FreeCADGui.Control.closeDialog()
taskd = TaskPanel()
taskd.obj = vobj.Object
taskd.setupUi()
FreeCADGui.Control.showDialog(taskd)
return True
def getIcon(self):
return ":/icons/Path-Face.svg"
def __getstate__(self):
return None
def __setstate__(self, state):
return None
class CommandPathMillFace:
def GetResources(self):
return {'Pixmap': 'Path-Face',
'MenuText': QtCore.QT_TRANSLATE_NOOP("PathFace", "Face"),
'Accel': "P, O",
'ToolTip': QtCore.QT_TRANSLATE_NOOP("PathFace", "Create a Facing Operation from a model or face")}
def IsActive(self):
if FreeCAD.ActiveDocument is not None:
for o in FreeCAD.ActiveDocument.Objects:
if o.Name[:3] == "Job":
return True
return False
def Activated(self):
# zbottom = 0.0
ztop = 10.0
# if everything is ok, execute and register the transaction in the undo/redo stack
FreeCAD.ActiveDocument.openTransaction(translate("PathFace", "Create Face"))
FreeCADGui.addModule("PathScripts.PathMillFace")
FreeCADGui.doCommand('obj = FreeCAD.ActiveDocument.addObject("Path::FeaturePython", "Face")')
FreeCADGui.doCommand('PathScripts.PathMillFace.ObjectFace(obj)')
FreeCADGui.doCommand('obj.Active = True')
FreeCADGui.doCommand('PathScripts.PathMillFace.ViewProviderFace(obj.ViewObject)')
FreeCADGui.doCommand('from PathScripts import PathUtils')
#FreeCADGui.doCommand('obj.Algorithm = "libarea"')
FreeCADGui.doCommand('obj.StepOver = 50')
FreeCADGui.doCommand('obj.ClearanceHeight = 10') # + str(bb.ZMax + 2.0))
FreeCADGui.doCommand('obj.StepDown = 1.0')
FreeCADGui.doCommand('obj.StartDepth = ' + str(ztop + 1))
FreeCADGui.doCommand('obj.FinalDepth =' + str(ztop))
FreeCADGui.doCommand('obj.ZigZagAngle = 0.0')
FreeCADGui.doCommand('obj.UseZigZag = True')
FreeCADGui.doCommand('PathScripts.PathUtils.addToJob(obj)')
snippet = '''
parentJob = PathUtils.findParentJob(obj)
if parentJob is None:
pass
else:
baseobject = parentJob.Base
if baseobject is None:
pass
else:
obj.StartDepth = str(baseobject.Shape.BoundBox.ZMax + 1)
obj.FinalDepth = str(baseobject.Shape.BoundBox.ZMax)
'''
FreeCADGui.doCommand(snippet)
FreeCAD.ActiveDocument.commitTransaction()
FreeCAD.ActiveDocument.recompute()
FreeCADGui.doCommand('obj.ViewObject.startEditing()')
class TaskPanel:
def __init__(self):
#self.form = FreeCADGui.PySideUic.loadUi(FreeCAD.getHomePath() + "Mod/Path/MillFaceEdit.ui")
self.form = FreeCADGui.PySideUic.loadUi(":/panels/MillFaceEdit.ui")
self.updating = False
def accept(self):
self.getFields()
FreeCADGui.ActiveDocument.resetEdit()
FreeCADGui.Control.closeDialog()
FreeCAD.ActiveDocument.recompute()
FreeCADGui.Selection.removeObserver(self.s)
def reject(self):
FreeCADGui.Control.closeDialog()
FreeCAD.ActiveDocument.recompute()
FreeCADGui.Selection.removeObserver(self.s)
def getFields(self):
if self.obj:
if hasattr(self.obj, "StartDepth"):
self.obj.StartDepth = self.form.startDepth.text()
if hasattr(self.obj, "FinalDepth"):
self.obj.FinalDepth = self.form.finalDepth.text()
if hasattr(self.obj, "FinishDepth"):
self.obj.FinishDepth = self.form.finishDepth.text()
if hasattr(self.obj, "SafeHeight"):
self.obj.SafeHeight = self.form.safeHeight.text()
if hasattr(self.obj, "ClearanceHeight"):
self.obj.ClearanceHeight = self.form.clearanceHeight.text()
if hasattr(self.obj, "StepDown"):
self.obj.StepDown = self.form.stepDown.value()
if hasattr(self.obj, "PassExtensioon"):
self.obj.PassExtension = self.form.extraOffset.value()
if hasattr(self.obj, "UseStartPoint"):
self.obj.UseStartPoint = self.form.useStartPoint.isChecked()
if hasattr(self.obj, "CutMode"):
self.obj.CutMode = str(self.form.cutMode.currentText())
if hasattr(self.obj, "UseZigZag"):
self.obj.UseZigZag = self.form.useZigZag.isChecked()
if hasattr(self.obj, "ZigUnidirectional"):
self.obj.ZigUnidirectional = self.form.zigZagUnidirectional.isChecked()
if hasattr(self.obj, "ZigZagAngle"):
self.obj.ZigZagAngle = self.form.zigZagAngle.value()
if hasattr(self.obj, "StepOver"):
self.obj.StepOver = self.form.stepOverPercent.value()
self.obj.Proxy.execute(self.obj)
def setFields(self):
self.form.startDepth.setText(str(self.obj.StartDepth.Value))
self.form.finalDepth.setText(str(self.obj.FinalDepth.Value))
self.form.finishDepth.setText(str(self.obj.FinishDepth.Value))
self.form.safeHeight.setText(str(self.obj.SafeHeight.Value))
self.form.clearanceHeight.setText(str(self.obj.ClearanceHeight.Value))
self.form.stepDown.setValue(self.obj.StepDown)
self.form.extraOffset.setValue(self.obj.PassExtension.Value)
self.form.useStartPoint.setChecked(self.obj.UseStartPoint)
self.form.useZigZag.setChecked(self.obj.UseZigZag)
self.form.zigZagUnidirectional.setChecked(self.obj.ZigUnidirectional)
self.form.zigZagAngle.setValue(self.obj.ZigZagAngle)
self.form.stepOverPercent.setValue(self.obj.StepOver)
for i in self.obj.Base:
for sub in i[1]:
self.form.baseList.addItem(i[0].Name + "." + sub)
def open(self):
self.s = SelObserver()
# install the function mode resident
FreeCADGui.Selection.addObserver(self.s)
def addBase(self):
# check that the selection contains exactly what we want
selection = FreeCADGui.Selection.getSelectionEx()
if len(selection) != 1:
FreeCAD.Console.PrintError(translate("PathProject", "Please select only faces from one solid\n"))
return
sel = selection[0]
if not sel.HasSubObjects:
FreeCAD.Console.PrintError(translate("PathProject", "Please select faces from one solid\n"))
return
if not selection[0].SubObjects[0].ShapeType == "Face":
FreeCAD.Console.PrintError(translate("PathProject", "Please select faces from one solid\n"))
return
for i in sel.SubElementNames:
self.obj.Proxy.addFacebase(self.obj, sel.Object, i)
self.setFields() # defaults may have changed. Reload.
self.form.baseList.clear()
for i in self.obj.Base:
for sub in i[1]:
self.form.baseList.addItem(i[0].Name + "." + sub)
def deleteBase(self):
dlist = self.form.baseList.selectedItems()
newlist = []
for d in dlist:
for i in self.obj.Base:
if i[0].Name != d.text().partition(".")[0] or i[1] != d.text().partition(".")[2]:
newlist.append(i)
self.form.baseList.takeItem(self.form.baseList.row(d))
self.obj.Base = newlist
self.obj.Proxy.execute(self.obj)
FreeCAD.ActiveDocument.recompute()
def itemActivated(self):
FreeCADGui.Selection.clearSelection()
slist = self.form.baseList.selectedItems()
for i in slist:
objstring = i.text().partition(".")
obj = FreeCAD.ActiveDocument.getObject(objstring[0])
if objstring[2] != "":
FreeCADGui.Selection.addSelection(obj, objstring[2])
else:
FreeCADGui.Selection.addSelection(obj)
FreeCADGui.updateGui()
def reorderBase(self):
newlist = []
for i in range(self.form.baseList.count()):
s = self.form.baseList.item(i).text()
objstring = s.partition(".")
obj = FreeCAD.ActiveDocument.getObject(objstring[0])
item = (obj, str(objstring[2]))
newlist.append(item)
self.obj.Base = newlist
self.obj.Proxy.execute(self.obj)
FreeCAD.ActiveDocument.recompute()
def getStandardButtons(self):
return int(QtGui.QDialogButtonBox.Ok)
def edit(self, item, column):
if not self.updating:
self.resetObject()
def resetObject(self, remove=None):
"transfers the values from the widget to the object"
self.obj.touch()
FreeCAD.ActiveDocument.recompute()
def setupUi(self):
# Connect Signals and Slots
# Base Controls
self.form.baseList.itemSelectionChanged.connect(self.itemActivated)
self.form.addBase.clicked.connect(self.addBase)
self.form.deleteBase.clicked.connect(self.deleteBase)
self.form.reorderBase.clicked.connect(self.reorderBase)
# Depths
self.form.startDepth.editingFinished.connect(self.getFields)
self.form.finalDepth.editingFinished.connect(self.getFields)
self.form.finishDepth.editingFinished.connect(self.getFields)
self.form.stepDown.editingFinished.connect(self.getFields)
# Heights
self.form.safeHeight.editingFinished.connect(self.getFields)
self.form.clearanceHeight.editingFinished.connect(self.getFields)
# operation
self.form.cutMode.currentIndexChanged.connect(self.getFields)
self.form.useStartPoint.clicked.connect(self.getFields)
self.form.extraOffset.editingFinished.connect(self.getFields)
self.form.boundaryShape.currentIndexChanged.connect(self.getFields)
# Pattern
self.form.stepOverPercent.editingFinished.connect(self.getFields)
self.form.useZigZag.clicked.connect(self.getFields)
self.form.zigZagUnidirectional.clicked.connect(self.getFields)
self.form.zigZagAngle.editingFinished.connect(self.getFields)
self.setFields()
sel = FreeCADGui.Selection.getSelectionEx()
if len(sel) != 0 and sel[0].HasSubObjects:
self.addBase()
class SelObserver:
def __init__(self):
import PathScripts.PathSelection as PST
PST.pocketselect()
def __del__(self):
import PathScripts.PathSelection as PST
PST.clear()
def addSelection(self, doc, obj, sub, pnt):
FreeCADGui.doCommand('Gui.Selection.addSelection(FreeCAD.ActiveDocument.' + obj + ')')
FreeCADGui.updateGui()
if FreeCAD.GuiUp:
# register the FreeCAD command
FreeCADGui.addCommand('Path_MillFace', CommandPathMillFace())
FreeCADGui.addCommand('Set_FaceStartPoint', _CommandSetFaceStartPoint())
FreeCAD.Console.PrintLog("Loading PathMillFace... done\n")