FreeCAD/src/Mod/Path/PathScripts/PathEngrave.py

372 lines
14 KiB
Python

# -*- coding: utf-8 -*-
# ***************************************************************************
# * *
# * Copyright (c) 2014 Yorik van Havre <yorik@uncreated.net> *
# * *
# * 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 FreeCADGui
import Path
import Draft
from PySide import QtCore, QtGui
from PathScripts import PathUtils
"""Path Engrave 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 ObjectPathEngrave:
def __init__(self, obj):
obj.addProperty("App::PropertyLinkSubList", "Base", "Path", "The base geometry of this object")
obj.addProperty("App::PropertyBool", "Active", "Path", translate("Path", "Make False, to prevent operation from generating code"))
obj.addProperty("App::PropertyString", "Comment", "Path", translate("Path", "An optional comment for this profile"))
obj.addProperty("App::PropertyEnumeration", "Algorithm", "Algorithm", translate("Path", "The library or Algorithm used to generate the path"))
obj.Algorithm = ['OCC Native']
# Tool Properties
obj.addProperty("App::PropertyIntegerConstraint", "ToolNumber", "Tool", translate("Path", "The tool number in use"))
obj.ToolNumber = (0, 0, 1000, 1)
obj.setEditorMode('ToolNumber', 1) # make this read only
# Depth Properties
obj.addProperty("App::PropertyDistance", "ClearanceHeight", "Depth", translate("Path", "The height needed to clear clamps and obstructions"))
obj.addProperty("App::PropertyDistance", "SafeHeight", "Depth", translate("Path", "Rapid Safety Height between locations."))
obj.addProperty("App::PropertyDistance", "StartDepth", "Depth", translate("Path", "Starting Depth of Tool- first cut depth in Z"))
obj.addProperty("App::PropertyDistance", "FinalDepth", "Depth", translate("Path", "Final Depth of Tool- lowest value in Z"))
obj.addProperty("App::PropertyInteger", "StartVertex", "Path", "The vertex index to start the path from")
if FreeCAD.GuiUp:
_ViewProviderEngrave(obj.ViewObject)
obj.Proxy = self
def __getstate__(self):
return None
def __setstate__(self, state):
return None
def execute(self, obj):
output = ""
toolLoad = PathUtils.getLastToolLoad(obj)
if toolLoad is None or toolLoad.ToolNumber == 0:
self.vertFeed = 100
self.horizFeed = 100
self.radius = 0.25
obj.ToolNumber = 0
else:
self.vertFeed = toolLoad.VertFeed.Value
self.horizFeed = toolLoad.HorizFeed.Value
obj.ToolNumber = toolLoad.ToolNumber
tool = PathUtils.getTool(obj, toolLoad.ToolNumber)
if tool is None:
self.radius = 0.25
else:
self.radius = tool.Diameter/2
if obj.Base:
for o in obj.Base:
output += "G0 " + str(obj.ClearanceHeight.Value)+"\n"
# we only consider the outer wire if this is a Face
wires = o[0].Shape.Wires
if obj.Algorithm == "OCC Native":
output += self.buildpathocc(obj, wires)
# print output
if output == "":
output += "G0"
path = Path.Path(output)
obj.Path = path
def buildpathocc(self, obj, wires):
import Part
import DraftGeomUtils
output = "G90\nG21\nG40\n"
output += "G0 Z" + str(obj.ClearanceHeight.Value)
# absolute coords, millimeters, cancel offsets
for wire in wires:
offset = wire
# reorder the wire
offset = DraftGeomUtils.rebaseWire(offset, obj.StartVertex)
# we create the path from the offset shape
last = None
for edge in offset.Edges:
if not last:
# we set the first move to our first point
last = edge.Vertexes[0].Point
output += "G0" + " X" + str("%f" % last.x) + " Y" + str("%f" % last.y) # Rapid sto starting position
output += "G1" + " Z" + str("%f" % last.z) + "F " + str(self.vertFeed) + "\n" # Vertical feed to depth
if isinstance(edge.Curve, Part.Circle):
point = edge.Vertexes[-1].Point
if point == last: # edges can come flipped
point = edge.Vertexes[0].Point
center = edge.Curve.Center
relcenter = center.sub(last)
v1 = last.sub(center)
v2 = point.sub(center)
if v1.cross(v2).z < 0:
output += "G2"
else:
output += "G3"
output += " X" + str("%f" % point.x) + " Y" + str("%f" % point.y) + " Z" + str("%f" % point.z)
output += " I" + str("%f" % relcenter.x) + " J" + str("%f" % relcenter.y) + " K" + str("%f" % relcenter.z)
output += " F " + str(self.horizFeed)
output += "\n"
last = point
else:
point = edge.Vertexes[-1].Point
if point == last: # edges can come flipped
point = edge.Vertexes[0].Point
output += "G1 X" + str("%f" % point.x) + " Y" + str("%f" % point.y) + " Z" + str("%f" % point.z)
output += " F " + str(self.horizFeed)
output += "\n"
last = point
output += "G0 Z " + str(obj.SafeHeight.Value)
return output
def addShapeString(self, obj, ss):
baselist = obj.Base
if len(baselist) == 0: # When adding the first base object, guess at heights
try:
bb = ss.Shape.BoundBox # parent boundbox
obj.StartDepth = bb.ZMax
obj.ClearanceHeight = bb.ZMax + 5.0
obj.SafeHeight = bb.ZMax + 3.0
obj.FinalDepth = bb.ZMin
except:
obj.StartDepth = 5.0
obj.ClearanceHeight = 10.0
obj.SafeHeight = 8.0
item = (ss, "")
if item in baselist:
FreeCAD.Console.PrintWarning("ShapeString already in the Engraving list" + "\n")
else:
baselist.append(item)
obj.Base = baselist
self.execute(obj)
class _ViewProviderEngrave:
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
FreeCADGui.Control.showDialog(taskd)
taskd.setupUi()
return True
def getIcon(self):
return ":/icons/Path-Profile.svg"
def __getstate__(self):
return None
def __setstate__(self, state):
return None
class CommandPathEngrave:
def GetResources(self):
return {'Pixmap': 'Path-Engrave',
'MenuText': QtCore.QT_TRANSLATE_NOOP("Path_Engrave", "ShapeString Engrave"),
'ToolTip': QtCore.QT_TRANSLATE_NOOP("Path_Engrave", "Creates an Engraving Path around a Draft ShapeString")}
def IsActive(self):
return FreeCAD.ActiveDocument is not None
def Activated(self):
# if everything is ok, execute and register the transaction in the undo/redo stack
FreeCAD.ActiveDocument.openTransaction("Create Engrave Path")
FreeCADGui.addModule("PathScripts.PathFaceProfile")
FreeCADGui.addModule("PathScripts.PathUtils")
FreeCADGui.doCommand('obj = FreeCAD.ActiveDocument.addObject("Path::FeaturePython", "PathEngrave")')
FreeCADGui.doCommand('PathScripts.PathEngrave.ObjectPathEngrave(obj)')
FreeCADGui.doCommand('obj.ClearanceHeight = 10')
FreeCADGui.doCommand('obj.StartDepth= 0')
FreeCADGui.doCommand('obj.FinalDepth= -0.1')
FreeCADGui.doCommand('obj.SafeHeight= 5.0')
FreeCADGui.doCommand('PathScripts.PathUtils.addToProject(obj)')
FreeCAD.ActiveDocument.commitTransaction()
FreeCAD.ActiveDocument.recompute()
FreeCADGui.doCommand('obj.ViewObject.startEditing()')
class TaskPanel:
def __init__(self):
self.form = FreeCADGui.PySideUic.loadUi(":/panels/EngraveEdit.ui")
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, "SafeHeight"):
self.obj.SafeHeight = self.form.safeHeight.text()
if hasattr(self.obj, "ClearanceHeight"):
self.obj.ClearanceHeight = self.form.clearanceHeight.text()
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.safeHeight.setText(str(self.obj.SafeHeight.Value))
self.form.clearanceHeight.setText(str(self.obj.ClearanceHeight.Value))
self.form.baseList.clear()
for i in self.obj.Base:
self.form.baseList.addItem(i[0].Name)
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 not len(selection) >= 1:
FreeCAD.Console.PrintError(translate("Path_Engrave", "Please select at least one ShapeString\n"))
return
for s in selection:
if not Draft.getType(s.Object) == "ShapeString":
FreeCAD.Console.PrintError(translate("Path_Engrave", "Please select at least one ShapeString\n"))
return
self.obj.Proxy.addShapeString(self.obj, s.Object)
self.setFields()
def deleteBase(self):
dlist = self.form.baseList.selectedItems()
for d in dlist:
newlist = []
for i in self.obj.Base:
if not i[0].Name == d.text():
newlist.append(i)
self.obj.Base = newlist
self.form.baseList.takeItem(self.form.baseList.row(d))
def itemActivated(self):
FreeCADGui.Selection.clearSelection()
slist = self.form.baseList.selectedItems()
for i in slist:
o = FreeCAD.ActiveDocument.getObject(i.text())
FreeCADGui.Selection.addSelection(o)
FreeCADGui.updateGui()
def reorderBase(self):
newlist = []
for i in range(self.form.baseList.count()):
s = self.form.baseList.item(i).text()
obj = FreeCAD.ActiveDocument.getObject(s)
newlist.append(obj)
self.obj.Base = newlist
self.obj.Proxy.execute(self.obj)
FreeCAD.ActiveDocument.recompute()
def getStandardButtons(self):
return int(QtGui.QDialogButtonBox.Ok)
def setupUi(self):
# Connect Signals and Slots
self.form.startDepth.editingFinished.connect(self.getFields)
self.form.finalDepth.editingFinished.connect(self.getFields)
self.form.safeHeight.editingFinished.connect(self.getFields)
self.form.clearanceHeight.editingFinished.connect(self.getFields)
self.form.addBase.clicked.connect(self.addBase)
self.form.deleteBase.clicked.connect(self.deleteBase)
self.form.reorderBase.clicked.connect(self.reorderBase)
self.form.baseList.itemSelectionChanged.connect(self.itemActivated)
sel = FreeCADGui.Selection.getSelectionEx()
if len(sel) != 0:
self.addBase()
self.setFields()
class SelObserver:
def __init__(self):
import PathScripts.PathSelection as PST
PST.engraveselect()
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:
FreeCADGui.addCommand('Path_Engrave', CommandPathEngrave())