7fe094ac02
lazy_loader is copied to Ext now, modified external imports to lazy_load add a few more imports to be lazy loaded, think the install path is correct now [TD]"<" symbol embedded in html revert changes to path modules for testing use lazyloader in PathAreaOp.py add back in deferred loading temp change to print error message in tests temp change to print error message in tests add _init__.py to lazy_loader make install in CMakeLists.txt one line
550 lines
25 KiB
Python
550 lines
25 KiB
Python
# -*- coding: utf-8 -*-
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# ***************************************************************************
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# * *
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# * Copyright (c) 2017 sliptonic <shopinthewoods@gmail.com> *
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# * *
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# * This program is free software; you can redistribute it and/or modify *
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# * it under the terms of the GNU Lesser General Public License (LGPL) *
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# * as published by the Free Software Foundation; either version 2 of *
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# * the License, or (at your option) any later version. *
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# * for detail see the LICENCE text file. *
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# * *
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# * This program is distributed in the hope that it will be useful, *
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# * but WITHOUT ANY WARRANTY; without even the implied warranty of *
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# * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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# * GNU Library General Public License for more details. *
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# * *
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# * You should have received a copy of the GNU Library General Public *
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# * License along with this program; if not, write to the Free Software *
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# * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
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# * USA *
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# * *
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# ***************************************************************************
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import FreeCAD
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import Path
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import PathScripts.PathGeom as PathGeom
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import PathScripts.PathLog as PathLog
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import PathScripts.PathUtil as PathUtil
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import PathScripts.PathUtils as PathUtils
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from PathScripts.PathUtils import waiting_effects
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from PySide import QtCore
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# lazily loaded modules
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from lazy_loader.lazy_loader import LazyLoader
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Part = LazyLoader('Part', globals(), 'Part')
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__title__ = "Base class for all operations."
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__author__ = "sliptonic (Brad Collette)"
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__url__ = "http://www.freecadweb.org"
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__doc__ = "Base class and properties implementation for all Path operations."
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PathLog.setLevel(PathLog.Level.INFO, PathLog.thisModule())
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#PathLog.trackModule()
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# Qt translation handling
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def translate(context, text, disambig=None):
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return QtCore.QCoreApplication.translate(context, text, disambig)
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FeatureTool = 0x0001 # ToolController
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FeatureDepths = 0x0002 # FinalDepth, StartDepth
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FeatureHeights = 0x0004 # ClearanceHeight, SafeHeight
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FeatureStartPoint = 0x0008 # StartPoint
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FeatureFinishDepth = 0x0010 # FinishDepth
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FeatureStepDown = 0x0020 # StepDown
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FeatureNoFinalDepth = 0x0040 # edit or not edit FinalDepth
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FeatureBaseVertexes = 0x0100 # Base
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FeatureBaseEdges = 0x0200 # Base
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FeatureBaseFaces = 0x0400 # Base
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FeatureBasePanels = 0x0800 # Base
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FeatureLocations = 0x1000 # Locations
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FeatureCoolant = 0x2000 # Coolant
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FeatureBaseGeometry = FeatureBaseVertexes | FeatureBaseFaces | FeatureBaseEdges | FeatureBasePanels | FeatureCoolant
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class ObjectOp(object):
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'''
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Base class for proxy objects of all Path operations.
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Use this class as a base class for new operations. It provides properties
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and some functionality for the standard properties each operation supports.
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By OR'ing features from the feature list an operation can select which ones
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of the standard features it requires and/or supports.
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The currently supported features are:
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FeatureTool ... Use of a ToolController
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FeatureDepths ... Depths, for start, final
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FeatureHeights ... Heights, safe and clearance
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FeatureStartPoint ... Supports setting a start point
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FeatureFinishDepth ... Operation supports a finish depth
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FeatureStepDown ... Support for step down
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FeatureNoFinalDepth ... Disable support for final depth modifications
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FeatureBaseVertexes ... Base geometry support for vertexes
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FeatureBaseEdges ... Base geometry support for edges
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FeatureBaseFaces ... Base geometry support for faces
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FeatureBasePanels ... Base geometry support for Arch.Panels
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FeatureLocations ... Base location support
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FeatureCoolant ... Support for operation coolant
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The base class handles all base API and forwards calls to subclasses with
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an op prefix. For instance, an op is not expected to overwrite onChanged(),
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but implement the function opOnChanged().
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If a base class overwrites a base API function it should call the super's
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implementation - otherwise the base functionality might be broken.
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'''
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def addBaseProperty(self, obj):
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obj.addProperty("App::PropertyLinkSubListGlobal", "Base", "Path", QtCore.QT_TRANSLATE_NOOP("PathOp", "The base geometry for this operation"))
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def addOpValues(self, obj, values):
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if 'start' in values:
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obj.addProperty("App::PropertyDistance", "OpStartDepth", "Op Values", QtCore.QT_TRANSLATE_NOOP("PathOp", "Holds the calculated value for the StartDepth"))
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obj.setEditorMode('OpStartDepth', 1) # read-only
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if 'final' in values:
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obj.addProperty("App::PropertyDistance", "OpFinalDepth", "Op Values", QtCore.QT_TRANSLATE_NOOP("PathOp", "Holds the calculated value for the FinalDepth"))
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obj.setEditorMode('OpFinalDepth', 1) # read-only
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if 'tooldia' in values:
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obj.addProperty("App::PropertyDistance", "OpToolDiameter", "Op Values", QtCore.QT_TRANSLATE_NOOP("PathOp", "Holds the diameter of the tool"))
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obj.setEditorMode('OpToolDiameter', 1) # read-only
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if 'stockz' in values:
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obj.addProperty("App::PropertyDistance", "OpStockZMax", "Op Values", QtCore.QT_TRANSLATE_NOOP("PathOp", "Holds the max Z value of Stock"))
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obj.setEditorMode('OpStockZMax', 1) # read-only
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obj.addProperty("App::PropertyDistance", "OpStockZMin", "Op Values", QtCore.QT_TRANSLATE_NOOP("PathOp", "Holds the min Z value of Stock"))
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obj.setEditorMode('OpStockZMin', 1) # read-only
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def __init__(self, obj, name):
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PathLog.track()
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obj.addProperty("App::PropertyBool", "Active", "Path", QtCore.QT_TRANSLATE_NOOP("PathOp", "Make False, to prevent operation from generating code"))
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obj.addProperty("App::PropertyString", "Comment", "Path", QtCore.QT_TRANSLATE_NOOP("PathOp", "An optional comment for this Operation"))
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obj.addProperty("App::PropertyString", "UserLabel", "Path", QtCore.QT_TRANSLATE_NOOP("PathOp", "User Assigned Label"))
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features = self.opFeatures(obj)
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if FeatureBaseGeometry & features:
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self.addBaseProperty(obj)
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if FeatureLocations & features:
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obj.addProperty("App::PropertyVectorList", "Locations", "Path", QtCore.QT_TRANSLATE_NOOP("PathOp", "Base locations for this operation"))
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if FeatureTool & features:
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obj.addProperty("App::PropertyLink", "ToolController", "Path", QtCore.QT_TRANSLATE_NOOP("PathOp", "The tool controller that will be used to calculate the path"))
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self.addOpValues(obj, ['tooldia'])
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if FeatureCoolant & features:
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obj.addProperty("App::PropertyString", "CoolantMode", "Path", QtCore.QT_TRANSLATE_NOOP("PathOp", "Coolant mode for this operation"))
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if FeatureDepths & features:
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obj.addProperty("App::PropertyDistance", "StartDepth", "Depth", QtCore.QT_TRANSLATE_NOOP("PathOp", "Starting Depth of Tool- first cut depth in Z"))
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obj.addProperty("App::PropertyDistance", "FinalDepth", "Depth", QtCore.QT_TRANSLATE_NOOP("PathOp", "Final Depth of Tool- lowest value in Z"))
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if FeatureNoFinalDepth & features:
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obj.setEditorMode('FinalDepth', 2) # hide
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self.addOpValues(obj, ['start', 'final'])
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else:
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# StartDepth has become necessary for expressions on other properties
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obj.addProperty("App::PropertyDistance", "StartDepth", "Depth", QtCore.QT_TRANSLATE_NOOP("PathOp", "Starting Depth internal use only for derived values"))
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obj.setEditorMode('StartDepth', 1) # read-only
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self.addOpValues(obj, ['stockz'])
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if FeatureStepDown & features:
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obj.addProperty("App::PropertyDistance", "StepDown", "Depth", QtCore.QT_TRANSLATE_NOOP("PathOp", "Incremental Step Down of Tool"))
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if FeatureFinishDepth & features:
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obj.addProperty("App::PropertyDistance", "FinishDepth", "Depth", QtCore.QT_TRANSLATE_NOOP("PathOp", "Maximum material removed on final pass."))
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if FeatureHeights & features:
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obj.addProperty("App::PropertyDistance", "ClearanceHeight", "Depth", QtCore.QT_TRANSLATE_NOOP("PathOp", "The height needed to clear clamps and obstructions"))
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obj.addProperty("App::PropertyDistance", "SafeHeight", "Depth", QtCore.QT_TRANSLATE_NOOP("PathOp", "Rapid Safety Height between locations."))
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if FeatureStartPoint & features:
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obj.addProperty("App::PropertyVectorDistance", "StartPoint", "Start Point", QtCore.QT_TRANSLATE_NOOP("PathOp", "The start point of this path"))
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obj.addProperty("App::PropertyBool", "UseStartPoint", "Start Point", QtCore.QT_TRANSLATE_NOOP("PathOp", "Make True, if specifying a Start Point"))
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# members being set later
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self.commandlist = None
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self.horizFeed = None
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self.horizRapid = None
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self.job = None
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self.model = None
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self.radius = None
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self.stock = None
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self.tool = None
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self.vertFeed = None
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self.vertRapid = None
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self.initOperation(obj)
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if not hasattr(obj, 'DoNotSetDefaultValues') or not obj.DoNotSetDefaultValues:
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job = self.setDefaultValues(obj)
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if job:
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job.SetupSheet.Proxy.setOperationProperties(obj, name)
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obj.recompute()
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obj.Proxy = self
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def setEditorModes(self, obj, features):
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'''Editor modes are not preserved during document store/restore, set editor modes for all properties'''
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for op in ['OpStartDepth', 'OpFinalDepth', 'OpToolDiameter']:
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if hasattr(obj, op):
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obj.setEditorMode(op, 1) # read-only
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if FeatureDepths & features:
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if FeatureNoFinalDepth & features:
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obj.setEditorMode('OpFinalDepth', 2)
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def onDocumentRestored(self, obj):
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features = self.opFeatures(obj)
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if FeatureBaseGeometry & features and 'App::PropertyLinkSubList' == obj.getTypeIdOfProperty('Base'):
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PathLog.info("Replacing link property with global link (%s)." % obj.State)
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base = obj.Base
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obj.removeProperty('Base')
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self.addBaseProperty(obj)
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obj.Base = base
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obj.touch()
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obj.Document.recompute()
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if FeatureTool & features and not hasattr(obj, 'OpToolDiameter'):
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self.addOpValues(obj, ['tooldia'])
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if FeatureCoolant & features and not hasattr(obj, 'CoolantMode'):
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obj.addProperty("App::PropertyString", "CoolantMode", "Path", QtCore.QT_TRANSLATE_NOOP("PathOp", "Coolant option for this operation"))
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if FeatureDepths & features and not hasattr(obj, 'OpStartDepth'):
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self.addOpValues(obj, ['start', 'final'])
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if FeatureNoFinalDepth & features:
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obj.setEditorMode('OpFinalDepth', 2)
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if not hasattr(obj, 'OpStockZMax'):
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self.addOpValues(obj, ['stockz'])
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if not hasattr(obj, 'EnableRotation'):
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obj.addProperty("App::PropertyEnumeration", "EnableRotation", "Rotation", QtCore.QT_TRANSLATE_NOOP("App::Property", "Enable rotation to gain access to pockets/areas not normal to Z axis."))
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obj.EnableRotation = ['Off', 'A(x)', 'B(y)', 'A & B']
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self.setEditorModes(obj, features)
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self.opOnDocumentRestored(obj)
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def __getstate__(self):
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'''__getstat__(self) ... called when receiver is saved.
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Can safely be overwritten by subclasses.'''
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return None
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def __setstate__(self, state):
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'''__getstat__(self) ... called when receiver is restored.
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Can safely be overwritten by subclasses.'''
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return None
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def opFeatures(self, obj):
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'''opFeatures(obj) ... returns the OR'ed list of features used and supported by the operation.
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The default implementation returns "FeatureTool | FeatureDeptsh | FeatureHeights | FeatureStartPoint"
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Should be overwritten by subclasses.'''
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# pylint: disable=unused-argument
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return FeatureTool | FeatureDepths | FeatureHeights | FeatureStartPoint | FeatureBaseGeometry | FeatureFinishDepth | FeatureCoolant
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def initOperation(self, obj):
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'''initOperation(obj) ... implement to create additional properties.
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Should be overwritten by subclasses.'''
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pass # pylint: disable=unnecessary-pass
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def opOnDocumentRestored(self, obj):
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'''opOnDocumentRestored(obj) ... implement if an op needs special handling like migrating the data model.
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Should be overwritten by subclasses.'''
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pass # pylint: disable=unnecessary-pass
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def opOnChanged(self, obj, prop):
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'''opOnChanged(obj, prop) ... overwrite to process property changes.
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This is a callback function that is invoked each time a property of the
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receiver is assigned a value. Note that the FC framework does not
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distinguish between assigning a different value and assigning the same
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value again.
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Can safely be overwritten by subclasses.'''
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pass # pylint: disable=unnecessary-pass
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def opSetDefaultValues(self, obj, job):
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'''opSetDefaultValues(obj, job) ... overwrite to set initial default values.
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Called after the receiver has been fully created with all properties.
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Can safely be overwritten by subclasses.'''
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pass # pylint: disable=unnecessary-pass
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def opUpdateDepths(self, obj):
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'''opUpdateDepths(obj) ... overwrite to implement special depths calculation.
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Can safely be overwritten by subclass.'''
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pass # pylint: disable=unnecessary-pass
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def opExecute(self, obj):
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'''opExecute(obj) ... called whenever the receiver needs to be recalculated.
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See documentation of execute() for a list of base functionality provided.
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Should be overwritten by subclasses.'''
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pass # pylint: disable=unnecessary-pass
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def opRejectAddBase(self, obj, base, sub):
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'''opRejectAddBase(base, sub) ... if op returns True the addition of the feature is prevented.
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Should be overwritten by subclasses.'''
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# pylint: disable=unused-argument
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return False
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def onChanged(self, obj, prop):
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'''onChanged(obj, prop) ... base implementation of the FC notification framework.
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Do not overwrite, overwrite opOnChanged() instead.'''
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if not 'Restore' in obj.State and prop in ['Base', 'StartDepth', 'FinalDepth']:
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self.updateDepths(obj, True)
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self.opOnChanged(obj, prop)
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def applyExpression(self, obj, prop, expr):
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'''applyExpression(obj, prop, expr) ... set expression expr on obj.prop if expr is set'''
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if expr:
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obj.setExpression(prop, expr)
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return True
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return False
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def setDefaultValues(self, obj):
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'''setDefaultValues(obj) ... base implementation.
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Do not overwrite, overwrite opSetDefaultValues() instead.'''
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job = PathUtils.addToJob(obj)
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obj.Active = True
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features = self.opFeatures(obj)
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if FeatureTool & features:
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if 1 < len(job.Operations.Group):
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obj.ToolController = PathUtil.toolControllerForOp(job.Operations.Group[-2])
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else:
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obj.ToolController = PathUtils.findToolController(obj)
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if not obj.ToolController:
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return None
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obj.OpToolDiameter = obj.ToolController.Tool.Diameter
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if FeatureCoolant & features:
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obj.CoolantMode = job.SetupSheet.CoolantMode
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if FeatureDepths & features:
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if self.applyExpression(obj, 'StartDepth', job.SetupSheet.StartDepthExpression):
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obj.OpStartDepth = 1.0
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else:
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obj.StartDepth = 1.0
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if self.applyExpression(obj, 'FinalDepth', job.SetupSheet.FinalDepthExpression):
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obj.OpFinalDepth = 0.0
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else:
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obj.FinalDepth = 0.0
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else:
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obj.StartDepth = 1.0
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if FeatureStepDown & features:
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if not self.applyExpression(obj, 'StepDown', job.SetupSheet.StepDownExpression):
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obj.StepDown = '1 mm'
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if FeatureHeights & features:
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if job.SetupSheet.SafeHeightExpression:
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if not self.applyExpression(obj, 'SafeHeight', job.SetupSheet.SafeHeightExpression):
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obj.SafeHeight = '3 mm'
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if job.SetupSheet.ClearanceHeightExpression:
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if not self.applyExpression(obj, 'ClearanceHeight', job.SetupSheet.ClearanceHeightExpression):
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obj.ClearanceHeight = '5 mm'
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if FeatureStartPoint & features:
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obj.UseStartPoint = False
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self.opSetDefaultValues(obj, job)
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return job
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def _setBaseAndStock(self, obj, ignoreErrors=False):
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job = PathUtils.findParentJob(obj)
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if not job:
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if not ignoreErrors:
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PathLog.error(translate("Path", "No parent job found for operation."))
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return False
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if not job.Model.Group:
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if not ignoreErrors:
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PathLog.error(translate("Path", "Parent job %s doesn't have a base object") % job.Label)
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return False
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self.job = job
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self.model = job.Model.Group
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self.stock = job.Stock
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return True
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def getJob(self, obj):
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'''getJob(obj) ... return the job this operation is part of.'''
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if not hasattr(self, 'job') or self.job is None:
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if not self._setBaseAndStock(obj):
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return None
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return self.job
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def updateDepths(self, obj, ignoreErrors=False):
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'''updateDepths(obj) ... base implementation calculating depths depending on base geometry.
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Should not be overwritten.'''
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def faceZmin(bb, fbb):
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if fbb.ZMax == fbb.ZMin and fbb.ZMax == bb.ZMax: # top face
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return fbb.ZMin
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elif fbb.ZMax > fbb.ZMin and fbb.ZMax == bb.ZMax: # vertical face, full cut
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return fbb.ZMin
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elif fbb.ZMax > fbb.ZMin and fbb.ZMin > bb.ZMin: # internal vertical wall
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return fbb.ZMin
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elif fbb.ZMax == fbb.ZMin and fbb.ZMax > bb.ZMin: # face/shelf
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return fbb.ZMin
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return bb.ZMin
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if not self._setBaseAndStock(obj, ignoreErrors):
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return False
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stockBB = self.stock.Shape.BoundBox
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zmin = stockBB.ZMin
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zmax = stockBB.ZMax
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obj.OpStockZMin = zmin
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obj.OpStockZMax = zmax
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if hasattr(obj, 'Base') and obj.Base:
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for base, sublist in obj.Base:
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bb = base.Shape.BoundBox
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zmax = max(zmax, bb.ZMax)
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for sub in sublist:
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try:
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fbb = base.Shape.getElement(sub).BoundBox
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zmin = max(zmin, faceZmin(bb, fbb))
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zmax = max(zmax, fbb.ZMax)
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except Part.OCCError as e:
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PathLog.error(e)
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else:
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# clearing with stock boundaries
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job = PathUtils.findParentJob(obj)
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zmax = stockBB.ZMax
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zmin = job.Proxy.modelBoundBox(job).ZMax
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if FeatureDepths & self.opFeatures(obj):
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# first set update final depth, it's value is not negotiable
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if not PathGeom.isRoughly(obj.OpFinalDepth.Value, zmin):
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obj.OpFinalDepth = zmin
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zmin = obj.OpFinalDepth.Value
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def minZmax(z):
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if hasattr(obj, 'StepDown') and not PathGeom.isRoughly(obj.StepDown.Value, 0):
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return z + obj.StepDown.Value
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else:
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return z + 1
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# ensure zmax is higher than zmin
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if (zmax - 0.0001) <= zmin:
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zmax = minZmax(zmin)
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# update start depth if requested and required
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if not PathGeom.isRoughly(obj.OpStartDepth.Value, zmax):
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obj.OpStartDepth = zmax
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else:
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# every obj has a StartDepth
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if obj.StartDepth.Value != zmax:
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obj.StartDepth = zmax
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self.opUpdateDepths(obj)
|
|
|
|
@waiting_effects
|
|
def execute(self, obj):
|
|
'''execute(obj) ... base implementation - do not overwrite!
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|
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.
|
|
'''
|
|
PathLog.track()
|
|
|
|
if obj.ViewObject:
|
|
obj.ViewObject.Visibility = obj.Active
|
|
|
|
if not obj.Active:
|
|
path = Path.Path("(inactive operation)")
|
|
obj.Path = path
|
|
return
|
|
|
|
|
|
if not self._setBaseAndStock(obj):
|
|
return
|
|
|
|
if FeatureCoolant & self.opFeatures(obj):
|
|
if not hasattr(obj, 'CoolantMode'):
|
|
FreeCAD.Console.PrintError("No coolant property found. Please recreate operation.")
|
|
|
|
if FeatureTool & self.opFeatures(obj):
|
|
tc = obj.ToolController
|
|
if tc is None or tc.ToolNumber == 0:
|
|
FreeCAD.Console.PrintError("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:
|
|
FreeCAD.Console.PrintError("No Tool found or diameter is zero. We need a tool to build a Path.")
|
|
return
|
|
self.radius = float(tool.Diameter) /2
|
|
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) # pylint: disable=assignment-from-no-return
|
|
|
|
if 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
|
|
return result
|
|
|
|
def addBase(self, obj, base, sub):
|
|
PathLog.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:
|
|
PathLog.notice((translate("Path", "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:
|
|
PathLog.notice((translate("Path", "Base object %s.%s rejected by operation")+"\n") % (base.Label, sub))
|