# SPDX-License-Identifier: LGPL-2.1-or-later # *************************************************************************** # * Copyright (c) 2017 sliptonic * # * * # * 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 from PathScripts.PathUtils import waiting_effects from PySide.QtCore import QT_TRANSLATE_NOOP import Path import Path.Base.Util as PathUtil import PathScripts.PathUtils as PathUtils import math import time # lazily loaded modules from lazy_loader.lazy_loader import LazyLoader Part = LazyLoader("Part", globals(), "Part") __title__ = "Base class for all operations." __author__ = "sliptonic (Brad Collette)" __url__ = "https://www.freecad.org" __doc__ = "Base class and properties implementation for all CAM 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 FeatureTool = 0x0001 # ToolController FeatureDepths = 0x0002 # FinalDepth, StartDepth FeatureHeights = 0x0004 # ClearanceHeight, SafeHeight FeatureStartPoint = 0x0008 # StartPoint FeatureFinishDepth = 0x0010 # FinishDepth FeatureStepDown = 0x0020 # StepDown FeatureNoFinalDepth = 0x0040 # edit or not edit FinalDepth FeatureBaseVertexes = 0x0100 # Base FeatureBaseEdges = 0x0200 # Base FeatureBaseFaces = 0x0400 # Base FeatureBasePanels = 0x0800 # Base FeatureLocations = 0x1000 # Locations FeatureCoolant = 0x2000 # Coolant FeatureDiameters = 0x4000 # Turning Diameters FeatureBaseGeometry = FeatureBaseVertexes | FeatureBaseFaces | FeatureBaseEdges class PathNoTCException(Exception): """PathNoTCException is raised when no TC was selected or matches the input criteria. This can happen intentionally by the user when they cancel the TC selection dialog.""" def __init__(self): super().__init__("No Tool Controller found") class ObjectOp(object): """ Base class for proxy objects of all Path operations. Use this class as a base class for new operations. It provides properties and some functionality for the standard properties each operation supports. By OR'ing features from the feature list an operation can select which ones of the standard features it requires and/or supports. The currently supported features are: FeatureTool ... Use of a ToolController FeatureDepths ... Depths, for start, final FeatureHeights ... Heights, safe and clearance FeatureStartPoint ... Supports setting a start point FeatureFinishDepth ... Operation supports a finish depth FeatureStepDown ... Support for step down FeatureNoFinalDepth ... Disable support for final depth modifications FeatureBaseVertexes ... Base geometry support for vertexes FeatureBaseEdges ... Base geometry support for edges FeatureBaseFaces ... Base geometry support for faces FeatureLocations ... Base location support FeatureCoolant ... Support for operation coolant FeatureDiameters ... Support for turning operation diameters The base class handles all base API and forwards calls to subclasses with an op prefix. For instance, an op is not expected to overwrite onChanged(), but implement the function opOnChanged(). If a base class overwrites a base API function it should call the super's implementation - otherwise the base functionality might be broken. """ def addBaseProperty(self, obj): obj.addProperty( "App::PropertyLinkSubListGlobal", "Base", "Path", QT_TRANSLATE_NOOP("App::Property", "The base geometry for this operation"), ) def addOpValues(self, obj, values): if "start" in values: obj.addProperty( "App::PropertyDistance", "OpStartDepth", "Op Values", QT_TRANSLATE_NOOP("App::Property", "Holds the calculated value for the StartDepth"), ) obj.setEditorMode("OpStartDepth", 1) # read-only if "final" in values: obj.addProperty( "App::PropertyDistance", "OpFinalDepth", "Op Values", QT_TRANSLATE_NOOP("App::Property", "Holds the calculated value for the FinalDepth"), ) obj.setEditorMode("OpFinalDepth", 1) # read-only if "tooldia" in values: obj.addProperty( "App::PropertyDistance", "OpToolDiameter", "Op Values", QT_TRANSLATE_NOOP("App::Property", "Holds the diameter of the tool"), ) obj.setEditorMode("OpToolDiameter", 1) # read-only if "stockz" in values: obj.addProperty( "App::PropertyDistance", "OpStockZMax", "Op Values", QT_TRANSLATE_NOOP("App::Property", "Holds the max Z value of Stock"), ) obj.setEditorMode("OpStockZMax", 1) # read-only obj.addProperty( "App::PropertyDistance", "OpStockZMin", "Op Values", QT_TRANSLATE_NOOP("App::Property", "Holds the min Z value of Stock"), ) obj.setEditorMode("OpStockZMin", 1) # read-only def __init__(self, obj, name, parentJob=None): Path.Log.track() obj.addProperty( "App::PropertyBool", "Active", "Path", QT_TRANSLATE_NOOP( "App::Property", "Make False, to prevent operation from generating code" ), ) obj.addProperty( "App::PropertyString", "Comment", "Path", QT_TRANSLATE_NOOP("App::Property", "An optional comment for this Operation"), ) obj.addProperty( "App::PropertyString", "UserLabel", "Path", QT_TRANSLATE_NOOP("App::Property", "User Assigned Label"), ) obj.addProperty( "App::PropertyString", "CycleTime", "Path", QT_TRANSLATE_NOOP("App::Property", "Operations Cycle Time Estimation"), ) obj.setEditorMode("CycleTime", 1) # read-only features = self.opFeatures(obj) if FeatureBaseGeometry & features: self.addBaseProperty(obj) if FeatureLocations & features: obj.addProperty( "App::PropertyVectorList", "Locations", "Path", QT_TRANSLATE_NOOP("App::Property", "Base locations for this operation"), ) if FeatureTool & features: obj.addProperty( "App::PropertyLink", "ToolController", "Path", QT_TRANSLATE_NOOP( "App::Property", "The tool controller that will be used to calculate the path", ), ) self.addOpValues(obj, ["tooldia"]) if FeatureCoolant & features: obj.addProperty( "App::PropertyEnumeration", "CoolantMode", "Path", QT_TRANSLATE_NOOP("App::Property", "Coolant mode for this operation"), ) if FeatureDepths & features: obj.addProperty( "App::PropertyDistance", "StartDepth", "Depth", QT_TRANSLATE_NOOP("App::Property", "Starting Depth of Tool- first cut depth in Z"), ) obj.addProperty( "App::PropertyDistance", "FinalDepth", "Depth", QT_TRANSLATE_NOOP("App::Property", "Final Depth of Tool- lowest value in Z"), ) if FeatureNoFinalDepth & features: obj.setEditorMode("FinalDepth", 2) # hide self.addOpValues(obj, ["start", "final"]) else: # StartDepth has become necessary for expressions on other properties obj.addProperty( "App::PropertyDistance", "StartDepth", "Depth", QT_TRANSLATE_NOOP( "App::Property", "Starting Depth internal use only for derived values", ), ) obj.setEditorMode("StartDepth", 1) # read-only self.addOpValues(obj, ["stockz"]) if FeatureStepDown & features: obj.addProperty( "App::PropertyDistance", "StepDown", "Depth", QT_TRANSLATE_NOOP("App::Property", "Incremental Step Down of Tool"), ) if FeatureFinishDepth & features: obj.addProperty( "App::PropertyDistance", "FinishDepth", "Depth", QT_TRANSLATE_NOOP("App::Property", "Maximum material removed on final pass."), ) if FeatureHeights & features: obj.addProperty( "App::PropertyDistance", "ClearanceHeight", "Depth", QT_TRANSLATE_NOOP( "App::Property", "The height needed to clear clamps and obstructions", ), ) obj.addProperty( "App::PropertyDistance", "SafeHeight", "Depth", QT_TRANSLATE_NOOP("App::Property", "Rapid Safety Height between locations."), ) if FeatureStartPoint & features: obj.addProperty( "App::PropertyVectorDistance", "StartPoint", "Start Point", QT_TRANSLATE_NOOP("App::Property", "The start point of this path"), ) obj.addProperty( "App::PropertyBool", "UseStartPoint", "Start Point", QT_TRANSLATE_NOOP("App::Property", "Make True, if specifying a Start Point"), ) if FeatureDiameters & features: obj.addProperty( "App::PropertyDistance", "MinDiameter", "Diameter", QT_TRANSLATE_NOOP("App::Property", "Lower limit of the turning diameter"), ) obj.addProperty( "App::PropertyDistance", "MaxDiameter", "Diameter", QT_TRANSLATE_NOOP("App::Property", "Upper limit of the turning diameter."), ) # members being set later self.commandlist = None self.horizFeed = None self.horizRapid = None self.job = None self.model = None self.radius = None self.stock = None self.tool = None self.vertFeed = None self.vertRapid = None self.addNewProps = None self.initOperation(obj) for n in self.opPropertyEnumerations(): Path.Log.debug("n: {}".format(n)) Path.Log.debug("n[0]: {} n[1]: {}".format(n[0], n[1])) if hasattr(obj, n[0]): setattr(obj, n[0], n[1]) if not hasattr(obj, "DoNotSetDefaultValues") or not obj.DoNotSetDefaultValues: if parentJob: self.job = parentJob self.model = parentJob.Model.Group if parentJob.Model else [] self.stock = parentJob.Stock if hasattr(parentJob, "Stock") else None PathUtils.addToJob(obj, jobname=parentJob.Name) job = self.setDefaultValues(obj) if job: job.SetupSheet.Proxy.setOperationProperties(obj, name) obj.recompute() obj.Proxy = self @classmethod def opPropertyEnumerations(self, dataType="data"): """opPropertyEnumerations(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 = { "CoolantMode": [ (translate("CAM_Operation", "None"), "None"), (translate("CAM_Operation", "Flood"), "Flood"), (translate("CAM_Operation", "Mist"), "Mist"), ], } 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 setEditorModes(self, obj, features): """Editor modes are not preserved during document store/restore, set editor modes for all properties""" for op in ["OpStartDepth", "OpFinalDepth", "OpToolDiameter", "CycleTime"]: if hasattr(obj, op): obj.setEditorMode(op, 1) # read-only if FeatureDepths & features: if FeatureNoFinalDepth & features: obj.setEditorMode("OpFinalDepth", 2) def onDocumentRestored(self, obj): Path.Log.track() features = self.opFeatures(obj) if ( FeatureBaseGeometry & features and "App::PropertyLinkSubList" == obj.getTypeIdOfProperty("Base") ): Path.Log.info("Replacing link property with global link (%s)." % obj.State) base = obj.Base obj.removeProperty("Base") self.addBaseProperty(obj) obj.Base = base obj.touch() obj.Document.recompute() if FeatureTool & features and not hasattr(obj, "OpToolDiameter"): self.addOpValues(obj, ["tooldia"]) if FeatureCoolant & features: oldvalue = str(obj.CoolantMode) if hasattr(obj, "CoolantMode") else "None" if ( hasattr(obj, "CoolantMode") and not obj.getTypeIdOfProperty("CoolantMode") == "App::PropertyEnumeration" ): obj.removeProperty("CoolantMode") if not hasattr(obj, "CoolantMode"): obj.addProperty( "App::PropertyEnumeration", "CoolantMode", "Path", QT_TRANSLATE_NOOP("App::Property", "Coolant option for this operation"), ) for n in self.opPropertyEnumerations(): if n[0] == "CoolantMode": setattr(obj, n[0], n[1]) obj.CoolantMode = oldvalue if FeatureDepths & features and not hasattr(obj, "OpStartDepth"): self.addOpValues(obj, ["start", "final"]) if FeatureNoFinalDepth & features: obj.setEditorMode("OpFinalDepth", 2) if not hasattr(obj, "OpStockZMax"): self.addOpValues(obj, ["stockz"]) if not hasattr(obj, "CycleTime"): obj.addProperty( "App::PropertyString", "CycleTime", "Path", QT_TRANSLATE_NOOP("App::Property", "Operations Cycle Time Estimation"), ) if FeatureStepDown & features and not hasattr(obj, "StepDown"): obj.addProperty( "App::PropertyDistance", "StepDown", "Depth", QT_TRANSLATE_NOOP("App::Property", "Incremental Step Down of Tool"), ) obj.StepDown = 0 self.setEditorModes(obj, features) self.opOnDocumentRestored(obj) def dumps(self): """__getstat__(self) ... called when receiver is saved. Can safely be overwritten by subclasses.""" return None def loads(self, state): """__getstat__(self) ... called when receiver is restored. Can safely be overwritten by subclasses.""" return None def opFeatures(self, obj): """opFeatures(obj) ... returns the OR'ed list of features used and supported by the operation. The default implementation returns "FeatureTool | FeatureDepths | FeatureHeights | FeatureStartPoint" Should be overwritten by subclasses.""" return ( FeatureTool | FeatureDepths | FeatureHeights | FeatureStartPoint | FeatureBaseGeometry | FeatureFinishDepth | FeatureCoolant ) def initOperation(self, obj): """initOperation(obj) ... implement to create additional properties. Should be overwritten by subclasses.""" pass def opOnDocumentRestored(self, obj): """opOnDocumentRestored(obj) ... implement if an op needs special handling like migrating the data model. Should be overwritten by subclasses.""" pass def opOnChanged(self, obj, prop): """opOnChanged(obj, prop) ... overwrite to process property changes. This is a callback function that is invoked each time a property of the receiver is assigned a value. Note that the FC framework does not distinguish between assigning a different value and assigning the same value again. Can safely be overwritten by subclasses.""" pass def opSetDefaultValues(self, obj, job): """opSetDefaultValues(obj, job) ... overwrite to set initial default values. Called after the receiver has been fully created with all properties. Can safely be overwritten by subclasses.""" pass def opUpdateDepths(self, obj): """opUpdateDepths(obj) ... overwrite to implement special depths calculation. Can safely be overwritten by subclass.""" pass def opExecute(self, obj): """opExecute(obj) ... called whenever the receiver needs to be recalculated. See documentation of execute() for a list of base functionality provided. Should be overwritten by subclasses.""" pass def opRejectAddBase(self, obj, base, sub): """opRejectAddBase(base, sub) ... if op returns True the addition of the feature is prevented. Should be overwritten by subclasses.""" return False def onChanged(self, obj, prop): """onChanged(obj, prop) ... base implementation of the FC notification framework. Do not overwrite, overwrite opOnChanged() instead.""" # there's a bit of cycle going on here, if sanitizeBase causes the transaction to # be cancelled we end right here again with the unsainitized Base - if that is the # case, stop the cycle and return immediately if prop == "Base" and self.sanitizeBase(obj): return if "Restore" not in obj.State and prop in ["Base", "StartDepth", "FinalDepth"]: self.updateDepths(obj, True) self.opOnChanged(obj, prop) if prop == "Active" and obj.ViewObject: obj.ViewObject.signalChangeIcon() def applyExpression(self, obj, prop, expr): """applyExpression(obj, prop, expr) ... set expression expr on obj.prop if expr is set""" if expr: obj.setExpression(prop, expr) return True return False def setDefaultValues(self, obj): """setDefaultValues(obj) ... base implementation. Do not overwrite, overwrite opSetDefaultValues() instead.""" if self.job: job = self.job else: job = PathUtils.addToJob(obj) if not job: raise ValueError( "No job associated with the operation. Please ensure the operation is part of a job." ) obj.Active = True features = self.opFeatures(obj) if FeatureTool & features: for op in job.Operations.Group[-2::-1]: obj.ToolController = PathUtil.toolControllerForOp(op) if obj.ToolController: break else: obj.ToolController = PathUtils.findToolController(obj, self) if not obj.ToolController: raise PathNoTCException() obj.OpToolDiameter = obj.ToolController.Tool.Diameter if FeatureCoolant & features: Path.Log.track() Path.Log.debug(obj.getEnumerationsOfProperty("CoolantMode")) obj.CoolantMode = job.SetupSheet.CoolantMode if FeatureDepths & features: if self.applyExpression(obj, "StartDepth", job.SetupSheet.StartDepthExpression): obj.OpStartDepth = 1.0 else: obj.StartDepth = 1.0 if self.applyExpression(obj, "FinalDepth", job.SetupSheet.FinalDepthExpression): obj.OpFinalDepth = 0.0 else: obj.FinalDepth = 0.0 else: obj.StartDepth = 1.0 if FeatureStepDown & features: if not self.applyExpression(obj, "StepDown", job.SetupSheet.StepDownExpression): obj.StepDown = "1 mm" if FeatureHeights & features: if job.SetupSheet.SafeHeightExpression: if not self.applyExpression(obj, "SafeHeight", job.SetupSheet.SafeHeightExpression): obj.SafeHeight = "3 mm" if job.SetupSheet.ClearanceHeightExpression: if not self.applyExpression( obj, "ClearanceHeight", job.SetupSheet.ClearanceHeightExpression ): obj.ClearanceHeight = "5 mm" if FeatureDiameters & features: obj.MinDiameter = "0 mm" obj.MaxDiameter = "0 mm" if job.Stock: obj.MaxDiameter = job.Stock.Shape.BoundBox.XLength if FeatureStartPoint & features: obj.UseStartPoint = False self.opSetDefaultValues(obj, job) return job def _setBaseAndStock(self, obj, ignoreErrors=False): job = PathUtils.findParentJob(obj) if not job: if not ignoreErrors: Path.Log.error(translate("CAM", "No parent job found for operation.")) return False if not job.Model.Group: if not ignoreErrors: Path.Log.error( translate("CAM", "Parent job %s doesn't have a base object") % job.Label ) return False self.job = job self.model = job.Model.Group self.stock = job.Stock return True def getJob(self, obj): """getJob(obj) ... return the job this operation is part of.""" if not hasattr(self, "job") or self.job is None: if not self._setBaseAndStock(obj): return None return self.job def updateDepths(self, obj, ignoreErrors=False): """updateDepths(obj) ... base implementation calculating depths depending on base geometry. Should not be overwritten.""" def faceZmin(bb, fbb): if fbb.ZMax == fbb.ZMin and fbb.ZMax == bb.ZMax: # top face return fbb.ZMin elif fbb.ZMax > fbb.ZMin and fbb.ZMax == bb.ZMax: # vertical face, full cut return fbb.ZMin elif fbb.ZMax > fbb.ZMin and fbb.ZMin > bb.ZMin: # internal vertical wall return fbb.ZMin elif fbb.ZMax == fbb.ZMin and fbb.ZMax > bb.ZMin: # face/shelf return fbb.ZMin return bb.ZMin if not self._setBaseAndStock(obj, ignoreErrors): return False stockBB = self.stock.Shape.BoundBox zmin = stockBB.ZMin zmax = stockBB.ZMax obj.OpStockZMin = zmin obj.OpStockZMax = zmax if hasattr(obj, "Base") and obj.Base: for base, sublist in obj.Base: bb = base.Shape.BoundBox zmax = max(zmax, bb.ZMax) for sub in sublist: try: if sub: fbb = base.Shape.getElement(sub).BoundBox else: fbb = base.Shape.BoundBox zmin = max(zmin, faceZmin(bb, fbb)) zmax = max(zmax, fbb.ZMax) except Part.OCCError as e: Path.Log.error(e) else: # clearing with stock boundaries job = PathUtils.findParentJob(obj) zmax = stockBB.ZMax zmin = job.Proxy.modelBoundBox(job).ZMax if FeatureDepths & self.opFeatures(obj): # first set update final depth, it's value is not negotiable if not Path.Geom.isRoughly(obj.OpFinalDepth.Value, zmin): obj.OpFinalDepth = zmin zmin = obj.OpFinalDepth.Value def minZmax(z): if hasattr(obj, "StepDown") and not Path.Geom.isRoughly(obj.StepDown.Value, 0): return z + obj.StepDown.Value else: return z + 1 # ensure zmax is higher than zmin if (zmax - 0.0001) <= zmin: zmax = minZmax(zmin) # update start depth if requested and required if not Path.Geom.isRoughly(obj.OpStartDepth.Value, zmax): obj.OpStartDepth = zmax else: # every obj has a StartDepth if obj.StartDepth.Value != zmax: obj.StartDepth = zmax self.opUpdateDepths(obj) def sanitizeBase(self, obj): """sanitizeBase(obj) ... check if Base is valid and clear on errors.""" if hasattr(obj, "Base"): try: for o, sublist in obj.Base: for sub in sublist: o.Shape.getElement(sub) except Part.OCCError: Path.Log.error("{} - stale base geometry detected - clearing.".format(obj.Label)) obj.Base = [] return True return False @waiting_effects def execute(self, obj): """execute(obj) ... base implementation - do not overwrite! Verifies that the operation is assigned to a job and that the job also has a valid Base. It also sets the following instance variables that can and should be safely be used by implementation of opExecute(): self.model ... List of base objects of the Job itself self.stock ... Stock object for the Job itself self.vertFeed ... vertical feed rate of assigned tool self.vertRapid ... vertical rapid rate of assigned tool self.horizFeed ... horizontal feed rate of assigned tool self.horizRapid ... norizontal rapid rate of assigned tool self.tool ... the actual tool being used self.radius ... the main radius of the tool being used self.commandlist ... a list for collecting all commands produced by the operation Once everything is validated and above variables are set the implementation calls opExecute(obj) - which is expected to add the generated commands to self.commandlist Finally the base implementation adds a rapid move to clearance height and assigns the receiver's Path property from the command list. """ Path.Log.track() if not obj.Active: path = Path.Path("(inactive operation)") obj.Path = path return if not self._setBaseAndStock(obj): return # make sure Base is still valid or clear it self.sanitizeBase(obj) if FeatureTool & self.opFeatures(obj): tc = obj.ToolController if tc is None or tc.ToolNumber == 0: Path.Log.error( translate( "CAM", "No Tool Controller is selected. We need a tool to build a Path.", ) ) return else: self.vertFeed = tc.VertFeed.Value self.horizFeed = tc.HorizFeed.Value self.vertRapid = tc.VertRapid.Value self.horizRapid = tc.HorizRapid.Value tool = tc.Proxy.getTool(tc) if not tool or float(tool.Diameter) == 0: Path.Log.error( translate( "CAM", "No Tool found or diameter is zero. We need a tool to build a Path.", ) ) return self.radius = float(tool.Diameter) / 2.0 self.tool = tool obj.OpToolDiameter = tool.Diameter self.updateDepths(obj) # now that all op values are set make sure the user properties get updated accordingly, # in case they still have an expression referencing any op values obj.recompute() self.commandlist = [] self.commandlist.append(Path.Command("(%s)" % obj.Label)) if obj.Comment: self.commandlist.append(Path.Command("(%s)" % obj.Comment)) result = self.opExecute(obj) if self.commandlist and (FeatureHeights & self.opFeatures(obj)): # Let's finish by rapid to clearance...just for safety self.commandlist.append(Path.Command("G0", {"Z": obj.ClearanceHeight.Value})) path = Path.Path(self.commandlist) obj.Path = path obj.CycleTime = getCycleTimeEstimate(obj) self.job.Proxy.getCycleTime() return result def addBase(self, obj, base, sub): Path.Log.track(obj, base, sub) base = PathUtil.getPublicObject(base) if self._setBaseAndStock(obj): for model in self.job.Model.Group: if base == self.job.Proxy.baseObject(self.job, model): base = model break baselist = obj.Base if baselist is None: baselist = [] for p, el in baselist: if p == base and sub in el: Path.Log.notice( (translate("CAM", "Base object %s.%s already in the list") + "\n") % (base.Label, sub) ) return if not self.opRejectAddBase(obj, base, sub): baselist.append((base, sub)) obj.Base = baselist else: Path.Log.notice( (translate("CAM", "Base object %s.%s rejected by operation") + "\n") % (base.Label, sub) ) def isToolSupported(self, obj, tool): """toolSupported(obj, tool) ... Returns true if the op supports the given tool. This function can safely be overwritten by subclasses.""" return True class Compass: """ A compass is a tool to help with direction so the Compass is a helper class to manage settings that affect tool and spindle direction. Settings managed: - Spindle Direction: Forward / Reverse / None - Cut Side: Inside / Outside (for perimeter operations) - Cut Mode: Climb / Conventional - Path Direction: CW / CCW (derived for perimeter operations) - Operation Type: Perimeter / Area (for facing/pocketing operations) This class allows the user to set and get any of these properties and the rest will update accordingly. Supports both perimeter operations (profiling) and area operations (facing, pocketing). Args: spindle_direction: "Forward", "Reverse", or "None" operation_type: "Perimeter" or "Area" (defaults to "Perimeter") """ FORWARD = "Forward" REVERSE = "Reverse" NONE = "None" CW = "CW" CCW = "CCW" CLIMB = "Climb" CONVENTIONAL = "Conventional" INSIDE = "Inside" OUTSIDE = "Outside" PERIMETER = "Perimeter" AREA = "Area" def __init__(self, spindle_direction, operation_type=None): self._spindle_dir = ( spindle_direction if spindle_direction in (self.FORWARD, self.REVERSE, self.NONE) else self.NONE ) self._cut_side = self.OUTSIDE self._cut_mode = self.CLIMB self._operation_type = ( operation_type or self.PERIMETER ) # Default to perimeter for backward compatibility self._path_dir = self._calculate_path_dir() @property def spindle_dir(self): return self._spindle_dir @spindle_dir.setter def spindle_dir(self, value): if value in (self.FORWARD, self.REVERSE, self.NONE): self._spindle_dir = value self._path_dir = self._calculate_path_dir() else: self._spindle_dir = self.NONE self._path_dir = self._calculate_path_dir() @property def cut_side(self): return self._cut_side @cut_side.setter def cut_side(self, value): self._cut_side = value.capitalize() self._path_dir = self._calculate_path_dir() @property def cut_mode(self): return self._cut_mode @cut_mode.setter def cut_mode(self, value): self._cut_mode = value.capitalize() self._path_dir = self._calculate_path_dir() @property def operation_type(self): return self._operation_type @operation_type.setter def operation_type(self, value): self._operation_type = value.capitalize() self._path_dir = self._calculate_path_dir() @property def path_dir(self): return self._path_dir def _calculate_path_dir(self): if self.spindle_dir == self.NONE: return "UNKNOWN" # For area operations (facing, pocketing), path direction is not applicable if self._operation_type == self.AREA: return "N/A" spindle_rotation = self._rotation_from_spindle(self.spindle_dir) for candidate in (self.CW, self.CCW): mode = self._expected_cut_mode(self._cut_side, spindle_rotation, candidate) if mode == self._cut_mode: return candidate return "UNKNOWN" def _rotation_from_spindle(self, direction): return self.CW if direction == self.FORWARD else self.CCW def _expected_cut_mode(self, cut_side, spindle_rotation, path_dir): lookup = { (self.INSIDE, self.CW, self.CCW): self.CLIMB, (self.INSIDE, self.CCW, self.CW): self.CLIMB, (self.OUTSIDE, self.CW, self.CW): self.CLIMB, (self.OUTSIDE, self.CCW, self.CCW): self.CLIMB, } return lookup.get((cut_side, spindle_rotation, path_dir), self.CONVENTIONAL) def get_step_direction(self, approach_direction): """ For area operations, determine the step direction for climb/conventional milling. Args: approach_direction: "X+", "X-", "Y+", "Y-" - the primary cutting direction Returns: True if steps should be in positive direction, False for negative direction """ if self._operation_type != self.AREA: raise ValueError("Step direction is only applicable for area operations") if self.spindle_dir == self.NONE: return True # Default to positive direction spindle_rotation = self._rotation_from_spindle(self.spindle_dir) # For area operations, climb/conventional depends on relationship between # spindle rotation, approach direction, and step direction if approach_direction in ["X-", "X+"]: # Stepping in Y direction if self._cut_mode == self.CLIMB: # Climb: step direction matches spindle for X- approach return (approach_direction == "X-") == (spindle_rotation == self.CW) else: # Conventional # Conventional: step direction opposite to spindle for X- approach return (approach_direction == "X-") != (spindle_rotation == self.CW) else: # Y approach # Stepping in X direction if self._cut_mode == self.CLIMB: # Climb: step direction matches spindle for Y- approach return (approach_direction == "Y-") == (spindle_rotation == self.CW) else: # Conventional # Conventional: step direction opposite to spindle for Y- approach return (approach_direction == "Y-") != (spindle_rotation == self.CW) def get_cutting_direction(self, approach_direction, pass_index=0, pattern="zigzag"): """ For area operations, determine the cutting direction for each pass. Args: approach_direction: "X+", "X-", "Y+", "Y-" - the primary cutting direction pass_index: Index of the current pass (0-based) pattern: "zigzag", "unidirectional", "spiral" Returns: True if cutting should be in forward direction, False for reverse """ if self._operation_type != self.AREA: raise ValueError("Cutting direction is only applicable for area operations") if self.spindle_dir == self.NONE: return True # Default to forward direction spindle_rotation = self._rotation_from_spindle(self.spindle_dir) # Determine base cutting direction for climb/conventional if approach_direction in ["X-", "X+"]: # Cutting along Y axis if self._cut_mode == self.CLIMB: base_forward = (approach_direction == "X-") == (spindle_rotation == self.CW) else: # Conventional base_forward = (approach_direction == "X-") != (spindle_rotation == self.CW) else: # Y approach # Cutting along X axis if self._cut_mode == self.CLIMB: base_forward = (approach_direction == "Y-") == (spindle_rotation == self.CW) else: # Conventional base_forward = (approach_direction == "Y-") != (spindle_rotation == self.CW) # Apply pattern modifications if pattern == "zigzag" and pass_index % 2 == 1: base_forward = not base_forward elif pattern == "unidirectional": # Always same direction pass return base_forward def report(self): report_data = { "spindle_dir": self.spindle_dir, "cut_side": self.cut_side, "cut_mode": self.cut_mode, "operation_type": self.operation_type, "path_dir": self.path_dir, } Path.Log.debug("Machining Compass config:") for k, v in report_data.items(): Path.Log.debug(f" {k:15s}: {v}") return report_data def getCycleTimeEstimate(obj): tc = obj.ToolController if tc is None or tc.ToolNumber == 0: Path.Log.error(translate("CAM", "No Tool Controller selected.")) return translate("CAM", "Tool Error") hFeedrate = tc.HorizFeed.Value vFeedrate = tc.VertFeed.Value hRapidrate = tc.HorizRapid.Value vRapidrate = tc.VertRapid.Value if hFeedrate == 0 or vFeedrate == 0: if not Path.Preferences.suppressAllSpeedsWarning(): Path.Log.warning( translate( "CAM", "Tool Controller feedrates required to calculate the cycle time.", ) ) return translate("CAM", "Tool Feedrate Error") if (hRapidrate == 0 or vRapidrate == 0) and not Path.Preferences.suppressRapidSpeedsWarning(): Path.Log.warning( translate( "CAM", "Add Tool Controller Rapid Speeds on the SetupSheet for more accurate cycle times.", ) ) # Get the cycle time in seconds seconds = obj.Path.getCycleTime(hFeedrate, vFeedrate, hRapidrate, vRapidrate) if math.isnan(seconds): return translate("CAM", "Cycletime Error") # Convert the cycle time to a HH:MM:SS format cycleTime = time.strftime("%H:%M:%S", time.gmtime(seconds)) return cycleTime