Files
create/src/Mod/Path/PathScripts/PathDeburr.py

154 lines
6.0 KiB
Python

# -*- coding: utf-8 -*-
# ***************************************************************************
# * *
# * Copyright (c) 2018 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 Part
import PathScripts.PathEngraveBase as PathEngraveBase
import PathScripts.PathLog as PathLog
import PathScripts.PathOp as PathOp
import PathScripts.PathOpTools as PathOpTools
import math
from PySide import QtCore
LOGLEVEL = False
if LOGLEVEL:
PathLog.setLevel(PathLog.Level.DEBUG, PathLog.thisModule())
PathLog.trackModule(PathLog.thisModule())
else:
PathLog.setLevel(PathLog.Level.INFO, PathLog.thisModule())
# Qt translation handling
def translate(context, text, disambig=None):
return QtCore.QCoreApplication.translate(context, text, disambig)
def toolDepthAndOffset(width, extraDepth, tool):
'''toolDepthAndOffset(width, extraDepth, tool) ... return tuple for given parameters.'''
angle = tool.CuttingEdgeAngle
if 0 == angle:
angle = 180
tan = math.tan(math.radians(angle / 2))
toolDepth = 0 if 0 == tan else width / tan
depth = toolDepth + extraDepth
toolOffset = tool.FlatRadius
extraOffset = tool.Diameter / 2 - width if 180 == angle else extraDepth / tan
offset = toolOffset + extraOffset
return (depth, offset)
class ObjectDeburr(PathEngraveBase.ObjectOp):
'''Proxy class for Deburr operation.'''
def opFeatures(self, obj):
return PathOp.FeatureTool | PathOp.FeatureHeights | PathOp.FeatureStepDown | PathOp.FeatureBaseEdges | PathOp.FeatureBaseFaces
def initOperation(self, obj):
PathLog.track(obj.Label)
obj.addProperty('App::PropertyDistance', 'Width', 'Deburr', QtCore.QT_TRANSLATE_NOOP('PathDeburr', 'The desired width of the chamfer'))
obj.addProperty('App::PropertyDistance', 'ExtraDepth', 'Deburr', QtCore.QT_TRANSLATE_NOOP('PathDeburr', 'The additional depth of the tool path'))
obj.addProperty('App::PropertyEnumeration', 'Join', 'Deburr', QtCore.QT_TRANSLATE_NOOP('PathDeburr', 'How to join chamfer segments'))
obj.Join = ['Round', 'Miter']
obj.setEditorMode('Join', 2) # hide for now
def opOnDocumentRestored(self, obj):
obj.setEditorMode('Join', 2) # hide for now
def opExecute(self, obj):
PathLog.track(obj.Label)
(depth, offset) = toolDepthAndOffset(obj.Width.Value, obj.ExtraDepth.Value, self.tool)
PathLog.track(obj.Label, depth, offset)
self.basewires = []
self.adjusted_basewires = []
wires = []
for base, subs in obj.Base:
edges = []
basewires = []
for f in subs:
sub = base.Shape.getElement(f)
if type(sub) == Part.Edge:
edges.append(sub)
elif sub.Wires:
basewires.extend(sub.Wires)
else:
basewires.append(Part.Wire(sub.Edges))
self.edges = edges
for edgelist in Part.sortEdges(edges):
basewires.append(Part.Wire(edgelist))
self.basewires.extend(basewires)
for w in basewires:
self.adjusted_basewires.append(w)
wire = PathOpTools.offsetWire(w, base.Shape, offset, True)
if wire:
wires.append(wire)
zValues = []
z = 0
if obj.StepDown.Value != 0:
while z + obj.StepDown.Value < depth:
z = z + obj.StepDown.Value
zValues.append(z)
zValues.append(depth)
PathLog.track(obj.Label, depth, zValues)
self.wires = wires
self.buildpathocc(obj, wires, zValues, True)
# the last command is a move to clearance, which is automatically added by PathOp
if self.commandlist:
self.commandlist.pop()
def opRejectAddBase(self, obj, base, sub):
'''The chamfer op can only deal with features of the base model, all others are rejected.'''
return base not in self.model
def opSetDefaultValues(self, obj, job):
PathLog.track(obj.Label, job.Label)
obj.Width = '1 mm'
obj.ExtraDepth = '0.1 mm'
obj.Join = 'Round'
obj.setExpression('StepDown', '0 mm')
obj.StepDown = '0 mm'
def SetupProperties():
setup = []
setup.append('Width')
setup.append('ExtraDepth')
return setup
def Create(name, obj=None):
'''Create(name) ... Creates and returns a Deburr operation.'''
if obj is None:
obj = FreeCAD.ActiveDocument.addObject("Path::FeaturePython", name)
obj.Proxy = ObjectDeburr(obj, name)
return obj