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# ***************************************************************************
# * Copyright (c) 2020 sliptonic <shopinthewoods@gmail.com> *
# * *
# * This program is free software; you can redistribute it and/or modify *
# * it under the terms of the GNU Lesser General Public License (LGPL) *
# * as published by the Free Software Foundation; either version 2 of *
# * the License, or (at your option) any later version. *
# * for detail see the LICENCE text file. *
# * *
# * This program is distributed in the hope that it will be useful, *
# * but WITHOUT ANY WARRANTY; without even the implied warranty of *
# * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
# * GNU Library General Public License for more details. *
# * *
# * You should have received a copy of the GNU Library General Public *
# * License along with this program; if not, write to the Free Software *
# * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
# * USA *
# * *
# ***************************************************************************
from PySide.QtCore import QT_TRANSLATE_NOOP
from threading import Thread, Lock
import FreeCAD
import FreeCADGui
import Mesh
import Path
import PathScripts
import PathScripts.PathUtils as PathUtils
import Path.Post.Command as PathPost
import camotics
import io
import json
import queue
import subprocess
from PySide import QtCore, QtGui
__title__ = "Camotics Simulator"
__author__ = "sliptonic (Brad Collette)"
__url__ = "https://www.freecad.org"
__doc__ = "Task panel for Camotics Simulation"
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 CAMoticsUI:
def __init__(self, simulation):
# this will create a Qt widget from our ui file
self.form = FreeCADGui.PySideUic.loadUi(":/panels/TaskPathCamoticsSim.ui")
self.simulation = simulation
self.initializeUI()
self.lock = False
def initializeUI(self):
self.form.timeSlider.sliderReleased.connect(
lambda: self.simulation.execute(self.form.timeSlider.value())
)
self.form.progressBar.reset()
self.form.timeSlider.setEnabled = False
self.form.btnLaunchCamotics.clicked.connect(self.launchCamotics)
self.form.btnMakeFile.clicked.connect(self.makeCamoticsFile)
self.simulation.progressUpdate.connect(self.calculating)
self.simulation.statusChange.connect(self.updateStatus)
self.form.txtStatus.setText(translate("Path", "Drag Slider to Simulate"))
def launchCamotics(self):
filename = self.makeCamoticsFile()
subprocess.Popen(["camotics", filename])
def makeCamoticsFile(self):
Path.Log.track()
filename = QtGui.QFileDialog.getSaveFileName(
self.form,
translate("Path", "Save Project As"),
"",
translate("Path", "CAMotics Project (*.camotics)"),
)[0]
if filename:
if not filename.endswith(".camotics"):
filename += ".camotics"
text = self.simulation.buildproject()
try:
with open(filename, "w") as outputfile:
outputfile.write(text)
except IOError:
QtGui.QMessageBox.information(
self, translate("Path", "Unable to open file: {}".format(filename))
)
return filename
def accept(self):
self.simulation.accept()
FreeCADGui.Control.closeDialog()
def reject(self):
self.simulation.cancel()
if self.simulation.simmesh is not None:
FreeCAD.ActiveDocument.removeObject(self.simulation.simmesh.Name)
FreeCADGui.Control.closeDialog()
def setRunTime(self, duration):
self.form.timeSlider.setMinimum(0)
self.form.timeSlider.setMaximum(duration)
def calculating(self, progress=0.0):
self.form.timeSlider.setEnabled = progress == 1.0
self.form.progressBar.setValue(int(progress * 100))
def updateStatus(self, status):
self.form.txtStatus.setText(status)
class CamoticsSimulation(QtCore.QObject):
SIM = camotics.Simulation()
q = queue.Queue()
progressUpdate = QtCore.Signal(object)
statusChange = QtCore.Signal(object)
simmesh = None
filenames = []
SHAPEMAP = {
"ballend": "Ballnose",
"endmill": "Cylindrical",
"v-bit": "Conical",
"chamfer": "Snubnose",
}
def worker(self, lock):
while True:
item = self.q.get()
Path.Log.debug("worker processing: {}".format(item))
with lock:
if item["TYPE"] == "STATUS":
self.statusChange.emit(item["VALUE"])
if item["VALUE"] == "DONE":
self.SIM.wait()
surface = self.SIM.get_surface("binary")
self.SIM.wait()
self.addMesh(surface)
elif item["TYPE"] == "PROGRESS":
self.progressUpdate.emit(item["VALUE"])
self.q.task_done()
def __init__(self):
super().__init__() # needed for QT signals
lock = Lock()
Thread(target=self.worker, daemon=True, args=(lock,)).start()
def callback(self, status, progress):
self.q.put({"TYPE": "PROGRESS", "VALUE": progress})
self.q.put({"TYPE": "STATUS", "VALUE": status})
def isDone(self, success):
self.q.put({"TYPE": "STATUS", "VALUE": "DONE"})
def addMesh(self, surface):
"""takes a binary stl and adds a Mesh to the current document"""
if self.simmesh is None:
self.simmesh = FreeCAD.ActiveDocument.addObject("Mesh::Feature", "Camotics")
buffer = io.BytesIO()
buffer.write(surface)
buffer.seek(0)
mesh = Mesh.Mesh()
mesh.read(buffer, "STL")
self.simmesh.Mesh = mesh
# Mesh.show(mesh)
def Activate(self):
self.taskForm = CAMoticsUI(self)
FreeCADGui.Control.showDialog(self.taskForm)
self.job = FreeCADGui.Selection.getSelectionEx()[0].Object
self.SIM.set_metric()
self.SIM.set_resolution("high")
bb = self.job.Stock.Shape.BoundBox
self.SIM.set_workpiece(min=(bb.XMin, bb.YMin, bb.ZMin), max=(bb.XMax, bb.YMax, bb.ZMax))
for t in self.job.Tools.Group:
self.SIM.set_tool(
t.ToolNumber,
metric=True,
shape=self.SHAPEMAP.get(PathUtils.getToolShapeName(t.Tool), "Cylindrical"),
length=t.Tool.Length.Value,
diameter=t.Tool.Diameter.Value,
)
postlist = PathPost.buildPostList(self.job)
Path.Log.track(postlist)
# self.filenames = [PathPost.resolveFileName(self.job)]
success = True
finalgcode = ""
for idx, section in enumerate(postlist):
partname = section[0]
sublist = section[1]
result, gcode, name = PathPost.CommandPathPost().exportObjectsWith(
sublist,
partname,
self.job,
idx,
extraargs="--no-show-editor",
)
self.filenames.append(name)
Path.Log.track(result, gcode, name)
if result is None:
success = False
else:
finalgcode += gcode
if not success:
return
self.SIM.compute_path(finalgcode)
self.SIM.wait()
tot = sum([step["time"] for step in self.SIM.get_path()])
Path.Log.debug("sim time: {}".format(tot))
self.taskForm.setRunTime(tot)
def execute(self, timeIndex):
Path.Log.track()
self.SIM.start(self.callback, time=timeIndex, done=self.isDone)
def accept(self):
pass
def cancel(self):
pass
def buildproject(self): # , files=[]):
Path.Log.track()
job = self.job
tooltemplate = {
"units": "metric",
"shape": "cylindrical",
"length": 10,
"diameter": 3.125,
"description": "",
}
workpiecetemplate = {
"automatic": False,
"margin": 0,
"bounds": {"min": [0, 0, 0], "max": [0, 0, 0]},
}
camoticstemplate = {
"units": "metric",
"resolution-mode": "medium",
"resolution": 1,
"tools": {},
"workpiece": {},
"files": [],
}
unitstring = "imperial" if FreeCAD.Units.getSchema() in [2, 3, 5, 7] else "metric"
camoticstemplate["units"] = unitstring
camoticstemplate["resolution-mode"] = "medium"
camoticstemplate["resolution"] = 1
toollist = {}
for t in job.Tools.Group:
toolitem = tooltemplate.copy()
toolitem["units"] = unitstring
if hasattr(t.Tool, "Camotics"):
toolitem["shape"] = t.Tool.Camotics
else:
toolitem["shape"] = self.SHAPEMAP.get(
PathUtils.getToolShapeName(t.Tool), "Cylindrical"
)
toolitem["length"] = t.Tool.Length.Value
toolitem["diameter"] = t.Tool.Diameter.Value
toolitem["description"] = t.Label
toollist[t.ToolNumber] = toolitem
camoticstemplate["tools"] = toollist
bb = job.Stock.Shape.BoundBox
workpiecetemplate["bounds"]["min"] = [bb.XMin, bb.YMin, bb.ZMin]
workpiecetemplate["bounds"]["max"] = [bb.XMax, bb.YMax, bb.ZMax]
camoticstemplate["workpiece"] = workpiecetemplate
camoticstemplate["files"] = self.filenames # files
return json.dumps(camoticstemplate, indent=2)
class CommandCamoticsSimulate:
def GetResources(self):
return {
"Pixmap": "CAM_Camotics",
"MenuText": QT_TRANSLATE_NOOP("CAM_Camotics", "CAMotics"),
"Accel": "P, C",
"ToolTip": QT_TRANSLATE_NOOP("CAM_Camotics", "Simulates using CAMotics"),
"CmdType": "ForEdit",
}
def IsActive(self):
if bool(FreeCADGui.Selection.getSelection()) is False:
return False
try:
job = FreeCADGui.Selection.getSelectionEx()[0].Object
return isinstance(job.Proxy, Path.Main.Job.ObjectJob)
except:
return False
def Activated(self):
pathSimulation = CamoticsSimulation()
pathSimulation.Activate()
if FreeCAD.GuiUp:
FreeCADGui.addCommand("CAM_Camotics", CommandCamoticsSimulate())
FreeCAD.Console.PrintLog("Loading PathCamoticsSimulateGui… done\n")
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