Files
create/src/Mod/CAM/Path/Op/PocketBase.py
sliptonic 18a23b8260 Fixing 'red ink' bugs in CAM
fixes:  https://github.com/Ondsel-Development/FreeCAD/issues/93
fixes https://github.com/Ondsel-Development/FreeCAD/issues/87
fixes https://github.com/Ondsel-Development/FreeCAD/issues/88


fix threadmilling error if not proper tool
fix vcarve error if no proper tool
fix probe error if no proper tool
fix deburr error if no base geometry
Fix adaptive op error if no base geometry
2024-06-22 08:16:33 -05:00

315 lines
11 KiB
Python

# ***************************************************************************
# * Copyright (c) 2017 sliptonic <shopinthewoods@gmail.com> *
# * Copyright (c) 2020 russ4262 (Russell Johnson) *
# * *
# * 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
import Path.Op.Area as PathAreaOp
import Path.Op.Base as PathOp
from PySide.QtCore import QT_TRANSLATE_NOOP
__title__ = "Base CAM Pocket Operation"
__author__ = "sliptonic (Brad Collette)"
__url__ = "https://www.freecad.org"
__doc__ = "Base class and implementation for pocket operations."
if False:
Path.Log.setLevel(Path.Log.Level.DEBUG, Path.Log.thisModule())
Path.Log.trackModule(Path.Log.thisModule())
else:
Path.Log.setLevel(Path.Log.Level.INFO, Path.Log.thisModule())
translate = FreeCAD.Qt.translate
class ObjectPocket(PathAreaOp.ObjectOp):
"""Base class for proxy objects of all pocket operations."""
@classmethod
def pocketPropertyEnumerations(cls, dataType="data"):
"""pocketPropertyEnumerations(dataType="data")... return property enumeration lists of specified dataType.
Args:
dataType = 'data', 'raw', 'translated'
Notes:
'data' is list of internal string literals used in code
'raw' is list of (translated_text, data_string) tuples
'translated' is list of translated string literals
"""
enums = {
"CutMode": [
(translate("CAM_Pocket", "Climb"), "Climb"),
(translate("CAM_Pocket", "Conventional"), "Conventional"),
], # this is the direction that the profile runs
"StartAt": [
(translate("CAM_Pocket", "Center"), "Center"),
(translate("CAM_Pocket", "Edge"), "Edge"),
],
"OffsetPattern": [
(translate("CAM_Pocket", "ZigZag"), "ZigZag"),
(translate("CAM_Pocket", "Offset"), "Offset"),
(translate("CAM_Pocket", "ZigZagOffset"), "ZigZagOffset"),
(translate("CAM_Pocket", "Line"), "Line"),
(translate("CAM_Pocket", "Grid"), "Grid"),
], # Fill Pattern
}
if dataType == "raw":
return enums
data = list()
idx = 0 if dataType == "translated" else 1
Path.Log.debug(enums)
for k, v in enumerate(enums):
data.append((v, [tup[idx] for tup in enums[v]]))
Path.Log.debug(data)
return data
def areaOpFeatures(self, obj):
"""areaOpFeatures(obj) ... Pockets have a FinishDepth and work on Faces"""
return (
PathOp.FeatureBaseFaces
| PathOp.FeatureFinishDepth
| self.pocketOpFeatures(obj)
)
def pocketOpFeatures(self, obj):
return 0
def initPocketOp(self, obj):
"""initPocketOp(obj) ... overwrite to initialize subclass.
Can safely be overwritten by subclass."""
pass
def opExecute(self, obj):
if len(obj.Base) == 0:
return
super().opExecute(obj)
def areaOpSetDefaultValues(self, obj, job):
obj.PocketLastStepOver = 0
def pocketInvertExtraOffset(self):
"""pocketInvertExtraOffset() ... return True if ExtraOffset's direction is inward.
Can safely be overwritten by subclass."""
return False
def initAreaOp(self, obj):
"""initAreaOp(obj) ... create pocket specific properties.
Do not overwrite, implement initPocketOp(obj) instead."""
Path.Log.track()
# Pocket Properties
obj.addProperty(
"App::PropertyEnumeration",
"CutMode",
"Pocket",
QT_TRANSLATE_NOOP(
"App::Property",
"The direction that the toolpath should go around the part ClockWise (Climb) or CounterClockWise (Conventional)",
),
)
obj.addProperty(
"App::PropertyDistance",
"ExtraOffset",
"Pocket",
QT_TRANSLATE_NOOP(
"App::Property",
"Extra offset to apply to the operation. Direction is operation dependent.",
),
)
obj.addProperty(
"App::PropertyEnumeration",
"StartAt",
"Pocket",
QT_TRANSLATE_NOOP("App::Property", "Start pocketing at center or boundary"),
)
obj.addProperty(
"App::PropertyPercent",
"StepOver",
"Pocket",
QT_TRANSLATE_NOOP(
"App::Property", "Percent of cutter diameter to step over on each pass"
),
)
obj.addProperty(
"App::PropertyFloat",
"ZigZagAngle",
"Pocket",
QT_TRANSLATE_NOOP("App::Property", "Angle of the zigzag pattern"),
)
obj.addProperty(
"App::PropertyEnumeration",
"OffsetPattern",
"Face",
QT_TRANSLATE_NOOP("App::Property", "Clearing pattern to use"),
)
obj.addProperty(
"App::PropertyBool",
"MinTravel",
"Pocket",
QT_TRANSLATE_NOOP("App::Property", "Use 3D Sorting of Path"),
)
obj.addProperty(
"App::PropertyBool",
"KeepToolDown",
"Pocket",
QT_TRANSLATE_NOOP(
"App::Property", "Attempts to avoid unnecessary retractions."
),
)
obj.addProperty(
"App::PropertyPercent",
"PocketLastStepOver",
"Pocket",
QT_TRANSLATE_NOOP(
"App::Property",
"Last Stepover Radius. If 0, 50% of cutter is used. Tuning this can be used to improve stepover for some shapes",
),
)
obj.addProperty(
"App::PropertyBool",
"UseRestMachining",
"Pocket",
QT_TRANSLATE_NOOP(
"App::Property",
"Skips machining regions that have already been cleared by previous operations.",
),
)
for n in self.pocketPropertyEnumerations():
setattr(obj, n[0], n[1])
self.initPocketOp(obj)
def areaOpRetractTool(self, obj):
Path.Log.debug("retracting tool: %d" % (not obj.KeepToolDown))
return not obj.KeepToolDown
def areaOpUseProjection(self, obj):
"""areaOpUseProjection(obj) ... return False"""
return False
def areaOpAreaParams(self, obj, isHole):
"""areaOpAreaParams(obj, isHole) ... return dictionary with pocket's area parameters"""
Path.Log.track()
params = {}
params["Fill"] = 0
params["Coplanar"] = 0
params["PocketMode"] = 1
params["SectionCount"] = -1
params["Angle"] = obj.ZigZagAngle
params["FromCenter"] = obj.StartAt == "Center"
params["PocketStepover"] = (self.radius * 2) * (float(obj.StepOver) / 100)
extraOffset = obj.ExtraOffset.Value
if self.pocketInvertExtraOffset():
extraOffset = 0 - extraOffset
params["PocketExtraOffset"] = extraOffset
params["ToolRadius"] = self.radius
params["PocketLastStepover"] = obj.PocketLastStepOver
Pattern = {
"ZigZag": 1,
"Offset": 2,
"ZigZagOffset": 4,
"Line": 5,
"Grid": 6,
}
params["PocketMode"] = Pattern.get(obj.OffsetPattern, 1)
if obj.SplitArcs:
params["Explode"] = True
params["FitArcs"] = False
return params
def opOnDocumentRestored(self, obj):
super().opOnDocumentRestored(obj)
if not hasattr(obj, "PocketLastStepOver"):
obj.addProperty(
"App::PropertyPercent",
"PocketLastStepOver",
"Pocket",
QT_TRANSLATE_NOOP(
"App::Property",
"Last Stepover Radius. If 0, 50% of cutter is used. Tuning this can be used to improve stepover for some shapes",
),
)
obj.PocketLastStepOver = 0
if not hasattr(obj, "UseRestMachining"):
obj.addProperty(
"App::PropertyBool",
"UseRestMachining",
"Pocket",
QT_TRANSLATE_NOOP(
"App::Property",
"Skips machining regions that have already been cleared by previous operations.",
),
)
if hasattr(obj, "RestMachiningRegions"):
obj.removeProperty("RestMachiningRegions")
if hasattr(obj, "RestMachiningRegionsNeedRecompute"):
obj.removeProperty("RestMachiningRegionsNeedRecompute")
Path.Log.track()
def areaOpPathParams(self, obj, isHole):
"""areaOpAreaParams(obj, isHole) ... return dictionary with pocket's path parameters"""
params = {}
CutMode = ["Conventional", "Climb"]
params["orientation"] = CutMode.index(obj.CutMode)
# if MinTravel is turned on, set path sorting to 3DSort
# 3DSort shouldn't be used without a valid start point. Can cause
# tool crash without it.
#
# ml: experimental feature, turning off for now (see https://forum.freecad.org/viewtopic.php?f=15&t=24422&start=30#p192458)
# realthunder: I've fixed it with a new sorting algorithm, which I
# tested fine, but of course need more test. Please let know if there is
# any problem
#
if obj.MinTravel and obj.UseStartPoint and obj.StartPoint is not None:
params["sort_mode"] = 3
params["threshold"] = self.radius * 2
return params
def SetupProperties():
setup = PathAreaOp.SetupProperties()
setup.append("CutMode")
setup.append("ExtraOffset")
setup.append("StepOver")
setup.append("ZigZagAngle")
setup.append("OffsetPattern")
setup.append("StartAt")
setup.append("MinTravel")
setup.append("KeepToolDown")
return setup